Natural Disasters in the Philippines, in Detail — Typhoons, Earthquakes, Volcanoes

As of 2026-09-08 · Updated 2026-09-08 · Section: Disasters, Environment & Climate · 日本語版

0. Summary of this article (the conclusion up front)

The Philippines was rated the world's most disaster-prone country in the World Risk Index 2025, marking 17 consecutive years at that rank (reported simultaneously by Daily Guardian/BusinessWorld/GMA Network on 25 September 2025). The metric behind this ranking is "the World Risk Index (a composite of exposure × vulnerability)" — not a statement that the country has suffered the world's largest losses.

注 In 2026, the Middle East conflict, which began 28 February, has significantly reshaped the fiscal and logistical conditions for disaster response. Fuel-driven inflation reached 7.2% in April 2026 — a 37-month high (GMA Network/Rappler/Manila Bulletin); the BSP raised its policy rate to 4.5% on 23 April (Rappler); and Q2 2026 GDP growth slowed to 2.3% (GMA Network, 7 August 2026). The real purchasing power of disaster-recovery budgets has eroded as a result.

1. The premise — why is this country a "triple threat" country?

1.1 Tectonics

The Philippine archipelago sits atop an extremely unusual structure known as the "Philippine Mobile Belt," subject to subduction from both sides (source replaced 2026-08-26: a peer-reviewed paper — "Segmentation of the Manila subduction zone and slab tearing beneath the Philippine mobile belt," published in the Journal of Asian Earth Sciences — along with geological literature on the Philippine Mobile Belt by Aurelio and others. 注This verification could confirm only the abstract level; the full body of the paper was not obtained).

In other words, the country is squeezed from both the east and the west. This is the fundamental cause of the Philippines' earthquakes and volcanism.

注 A common misconception: the explanation "the Philippines has many earthquakes because it sits on the Pacific Ring of Fire" is not wrong, but it is incomplete. Unlike Japan, this is not a single-direction subduction — it is bidirectional, and a triple structure is added by the giant strike-slip fault that runs the length of the archipelago.

1.2 The Philippine Fault Zone (PFZ)

• Roughly 1,200 km long, running northwest–southeast (N30–40°W) along the length of the archipelago (source replaced 2026-08-26: PHIVOLCS's "Large-scale digital mapping of the Philippine fault zone based on aerial photograph interpretation" describes it as "a 1,200 km, arc-parallel, left-lateral strike-slip fault crossing from northwestern Luzon to southeastern Mindanao." Peer-reviewed literature — Barrier et al. 1991, Aurelio 2000, Yu et al. 2013 — also uses approximately 1,200 km. 注However, some literature (e.g., Aurelio et al. 2025) gives "approximately 1,250 km" or "approximately 1,500 km," varying with how the segments are counted. Treat this as an approximate figure)
• A left-lateral strike-slip fault, absorbing the oblique component of the Philippine Trench's subduction
• Overall slip rate is roughly 2–2.5 cm/year, with substantial regional variation — 5–35 mm/year on the Masbate segment, 20–33 mm/year on the Guinayangan segment
• The three most active central segments are Guinayangan, Masbate, and central Leyte; the Guinayangan segment is assessed as capable of producing M7.0-class earthquakes at 30–100-year intervals

2. Typhoons — frequency and the warning system

2.1 Annual frequency

PAGASA's official climate-information page states clearly: "an average of 20 tropical cyclones enter this region a year, of which roughly 8–9 cross the Philippines." The peak is July–October, accounting for roughly 70% of annual occurrences.

注 The "average of 20 a year" figure counts storms entering the PAR (Philippine Area of Responsibility) — not the number making landfall. Japanese-language articles stating "20 typhoons make landfall a year" are wrong; 8–9 making landfall/crossing is correct.

注 The PAR is PAGASA's own delineated area of warning responsibility, distinct from international forecast zones (such as the JMA's Northwest Pacific area). A storm receives a distinct Philippine name (a local name) upon entering the PAR, so the same typhoon often carries both an international name and a Philippine name — for example, 2021's "Rai (international name) = Odette (Philippine name)."

2.2 The 5-level Tropical Cyclone Wind Signal (TCWS)

The current system, adopted 23 March 2022 (PAGASA's official "Tropical Cyclone Wind Signal" page).

(Re-confirmed the thresholds for every level against the primary source in the 2026-08-25 verification pass. Source: PAGASA's official "Tropical Cyclone Wind Signal" page, https://www.pagasa.dost.gov.ph/learning-tools/tropical-cyclone-wind-signal — No.1 39–61 / No.2 62–88 / No.3 89–117 / No.4 118–184 / No.5 185 km/h or more. "No.5 = above 220 km/h" is not the current standard)

A signal can be raised skipping levels (during rapid intensification). Signals are announced primarily by province/city, but may be issued at the municipal level for specific localized threats.

注 The 2015-revised system used before March 2022 also ran No.1–No.5, but with different thresholds (that older system used No.5 = above 220 km/h). References to Haiyan (2013), when "Signal No.4 was the maximum," reflect the system in force at that time and should not be compared directly to the current standard. 注 A mix of old and new figures remains common in Japanese-language internet articles.

注 PAGASA also issues rainfall warnings (Yellow/Orange/Red) separately from wind signals (TCWS). In recent years, far more deaths have come from heavy rain, flooding, and landslides than from wind — a low TCWS with a red rainfall warning can still be extremely dangerous. (This article was unable to reach the primary source for the mm/hour thresholds of each color = unconfirmed.)

2.3 Notable historic typhoons

The lesson of the 1991 Uring/Ormoc flood

Uring was weak as a tropical cyclone (tropical storm strength), yet caused one of the deadliest disasters in Philippine history. The reason was the ravaged state of the watershed. The Anilao-Malbasag watershed (4,567 ha) upstream of Ormoc City had seen its forest cover fall to just 3.3% (due to coconut and sugarcane plantation development from the 1970s onward), leaving the land unable to absorb roughly 500mm of rain. The confluence of two rivers also sat close to the city center, and the Kogon Bridge narrowed the channel's cross-section by about 50%. (Source replaced 2026-08-26: VERA Files, "Ormoc learns to tame nature's wrath after killer flood" / Rappler, "23 years after the Ormoc tragedy: What's been done" — describing the degradation of the Anilao-Malbasag watershed and the geography of the river confluence, and JICA's three slit dams [Anilao/Biliboy/Malbasag] built since 1998. 注The primary source for the specific figures "4,567 ha," "3.3% forest cover," and "the Kogon Bridge narrowed the channel by roughly 50%" could not be reached = primary source not yet reached (as of 2026-08-26). A Manila Observatory Environmental Science Division report also notes that "illegal logging alone was not the cause — the erodibility of volcanic soil, the 3-hour concentrated downpour, and settlement in high-risk areas all combined," and should not be written as a single-cause explanation)

注 "Typhoon strength ≠ magnitude of damage." In the Philippines, land use, drainage infrastructure, and evacuation behavior are what determine the scale of damage. Overlooking this leads to misjudging local risk.

2013's Yolanda and the storm surge

• Landfall: early morning, 8 November 2013, at Guiuan, Eastern Samar
• Peak intensity: 1-minute-average 315 km/h (JTWC estimate), 10-minute-average 230 km/h (JMA), central pressure 895 hPa
• A 5.2m storm surge was recorded at the Tacloban Airport terminal (source replaced 2026-08-26: a peer-reviewed paper — Mori, Kato, and others, "Local amplification of storm surge by Super Typhoon Haiyan in Leyte Gulf" (Geophysical Research Letters) — and a series of surge surveys based on field trace-height measurements in Leyte Gulf. 注This verification could not reach a primary-source page for the specific 5.2m figure at this location = primary source not yet reached (as of 2026-08-26). Trace heights range as high as 4–7m depending on location, so the location name should always be given alongside the figure)

The majority of Yolanda's deaths were caused not by wind but by the storm surge. 注 At the time, no exact equivalent for "storm surge" existed in Tagalog or Visayan, and the warning was widely understood as no more than "big waves," which is thought to have contributed to poor evacuation. PAGASA now also uses local-language terms such as "daluyong" alongside the English term.

A string of storms in 2024

Between roughly 19 October and 20 November 2024, 6 tropical cyclones affected the Philippines in succession (source replaced 2026-08-26: 注primary source not yet reached (as of 2026-08-26). PAGASA's Annual Tropical Cyclone Report would be the proper primary source, but this investigation could not reach the relevant year's edition. The description is retained, but should be re-checked against PAGASA's primary source before being cited).

That same season was called "the first reliably documented case of 4 disturbances active simultaneously in November," and 9 names were retired in a single season, the most on record (source replaced 2026-08-26: 注primary source not yet reached (as of 2026-08-26). For "4 active simultaneously," the primary source would be JMA/PAGASA best-track data; for "9 names retired," it would be PAGASA's naming-list revision notice and ESCAP/WMO Typhoon Committee annual session documents. Neither was reached in this investigation. The description is retained, but should not be cited on its own).

注 Kristine's death toll circulates in two versions — "162" and "the NDRRMC's official figure of 159." This is a gap between media tallies and the confirmed government figure; official citations should use the NDRRMC figure.

A string of disasters in November 2025

• On 4 November, Kalmaegi (Tino) made landfall a total of 8 times, including at Balboan, Cebu Province. Peak 165 km/h (JMA)/205 km/h (JTWC). 269 dead, 523 injured, 113 missing, of whom over 150 were in Cebu Province. Over 3.5 million affected (per the NDRRMC's final series). Governor Barikuatro described it as "the worst flash flood in the province's history." Damage exceeded ₱3.26 billion, with 637,263 houses damaged (75,681 totally destroyed). 注(Supplemented in the 2026-08-25 verification pass. Three series of affected-population figures circulate within this body of documents: "roughly 706,000 [the initial figure right after the disaster] / over 3.5 million [the NDRRMC's final series] / over 5.4 million." Handled with both figures presented side by side in the fields "Climate Change and Adaptation" §7-2, "Geography and Administrative Divisions" §7, and "Environment and Biodiversity." This article adopts the NDRRMC final series (over 3.5 million) as well, but has not deleted the other series. Replaced with a primary source in the 2026-08-26 source-hygiene pass — the progression per OCHA and NDRRMC announcements was: over 1.1 million as of 11/5 → roughly 2.4 million (680,431 households) as of 11/7 → roughly 4.1 million as of 11/11 → over 5 million across 400+ cities/municipalities in Situation Report No.30 (2025-11-26). "Over 3.5 million" is likely a figure from partway through this rising sequence, and possibly not the final figure. 注This verification could not reach the primary NDRRMC PDF = primary source not yet reached (as of 2026-08-26). The figures are retained, but the reference date must always be given. Source: OCHA Philippines flash updates / Manila Bulletin, 2025-11-13, "NDRRMC: 'Tino', 'Uwan' affect nearly 9 M people" / various November 2025 PNA reports)
• On 6 November, President Marcos declared a nationwide "state of calamity."
• On 9 November, Fung-wong (Uwan) made landfall at Dinalungan, Aurora Province. PAGASA rated it a super typhoon (185 km/h). Over 33 dead, ₱4.92 billion in damage. Search and rescue for Tino was suspended on 8 November — the gap between the two storms was that short.

注 The "chaining" of disasters is the Philippines' core structural risk. More serious for business continuity than any single maximum-scale event is the pattern of a new storm arriving before recovery from the last one is complete.

2.4 The 2026 season so far (ongoing)

As of August 2026, at least around a dozen disturbances have entered the PAR (source replaced 2026-08-26: 注primary source not yet reached (as of 2026-08-26). PAGASA's daily Tropical Cyclone Bulletin/Severe Weather Bulletin is the only official source for counts during an ongoing season, and all such counts are provisional. Cite counts always with the date of the relevant PAGASA bulletin).

PAGASA's seasonal forecasts have shifted over time. On 30 January 2026 it said "4–11 storms in February–June" (GMA Network); on 25 February it said "La Niña will weaken by summer, with 6–14 storms expected" (GMA Network). 注 By March 2026, La Niña was reported to have ended, with a 79% chance of El Niño developing by mid-May reported. El Niño years tend to bring fewer typhoons overall, but stronger individual storms, with genesis positions shifted eastward and longer intensification times — so "fewer storms" does not mean "safer."

3. Earthquakes

3.1 The West Valley Fault and "The Big One"

The greatest risk to Metro Manila. It is the western segment of the Marikina Valley Fault System.

A death toll of roughly 34,000 in the M7.2 West Valley Fault scenario from the Metro Manila Earthquake Impact Reduction Study (MMEIRS, a joint JICA–PHIVOLCS–MMDA study, 2004) is widely cited (e.g. GovTech, 30 July 2015, "The Big One Could Kill 34,000 in the Philippines"). (Figures corrected in the 2026-08-26 source-hygiene pass, after checking the primary source) The MMEIRS final report (a JICA public document at openjicareport.jica.go.jp), for Model 08 (West Valley Fault M7.2, worst-case scenario), states: 34,000 dead / 114,000 injured / 170,000 houses totally collapsed / 340,000 houses partially collapsed, plus roughly 1,710 ha burned in post-quake fires, killing an additional 18,000 as a secondary disaster. The previously stated companion figures — "approx. 35,000 dead, over 120,000 injured, over 3 million evacuated" — do not match the primary source and have been replaced ("over 120,000" was a rounding of 114,000; "over 3 million evacuated" does not appear in MMEIRS's casualty tables at all).

注 This "over 30,000" figure is a scenario estimate from a 2004 study, now over 20 years old. Population and building stock have both changed substantially since; treat it as a scenario projection, not a settled figure. 注 The two circulating series — "30,000 dead" and "over 50,000 dead" — arise because MMEIRS calculates building-collapse deaths and fire deaths separately, and the figure changes depending on whether the two are summed. It is good practice to state explicitly which one is being cited.

2026 response: a nationwide simultaneous earthquake drill (organized by the Office of Civil Defense) on 18 June, with 150,000 participants in Marikina City alone (GMA Network, 16 June 2026). The government also released the Harmonized National Contingency Plan for earthquake response the same day (DZRH). A quarterly drill cadence has become established, with the most recent held 12 March. On 28 October 2025, PHIVOLCS warned that "an M7–8 'Big One'-class quake could occur on faults other than the West Valley Fault" (GMA Network).

3.2 Major damaging earthquakes (since 2013)

注 Some Japanese-language coverage has incorrectly described the "Cebu → Davao" sequence in autumn 2025 as "linked." PHIVOLCS and news reporting have concluded they were unrelated.

3.3 The 8 June 2026 Mw7.8 earthquake off Sarangani

The largest disaster of 2026 to date. The death toll has shifted substantially across reports over time, and any citation must always pair the figure with a date and source.

The figure "106 deaths" could not be confirmed against any primary source reached in this investigation = unconfirmed. The highest confirmed figure is 92 (MindaNews, 5 July 2026); the official government figure is 81 dead + 31 missing (NDRRMC, 26 June 2026). 注 If the missing are later declared dead, the total could exceed 100, but as of 25 August 2026 no such official announcement has been confirmed. When citing, use either "81 dead + 31 missing (NDRRMC)" or "92 (MindaNews)"; do not use the figure of 106.

Other confirmed features: - There was ground deformation severe enough to change the course of a river. Infrastructure damage grew from an initial ₱1.2 billion (6/18, Inquirer.net) to ₱2.3 billion (6/25, Inquirer.net) - President Marcos visited the affected area on 9 June. The Senate submitted a rehabilitation budget resolution on 17 June (Daily Tribune) - As of 5 August 2026, "another quake struck in the second month of recovery" was reported (Tech Times), indicating aftershock activity continues - 注 The same province of Sarangani also had an Mw6.7–6.8 in November 2023. This region — part of the Cotabato Trench/Moro Gulf activity zone — requires continued monitoring

4. Volcanoes

4.1 Number and definition of active volcanoes

PHIVOLCS classifies 24 volcanoes as "active" (source replaced 2026-08-26: PHIVOLCS's "Volcanoes of the Philippines" classification is defined as erupted within historical time (the past 600 years), or erupted within the past 10,000 years based on analysis of young volcanic deposits. The full list of 24 volcano names is enumerated with PHIVOLCS as the cited source in Philstar, 2020-01-14, "LIST: Active volcanoes in the Philippines" — Babuyan Claro, Banahaw, Biliran [Anas], Bud Dajo, Bulusan, Cabalian, Cagua, Camiguin de Babuyanes, Didicas, Hibok-hibok, Iraya, Iriga, Isarog, Kanlaon, Leonard Kniaseff, Makaturing, Matutum, Mayon, Musuan [Calayo], Parker, Pinatubo, Ragang, Smith, and Taal. 注phivolcs.dost.gov.ph could not be reached directly due to a TLS certificate validation error). Of these, 21 have a historical eruption on record, while the remaining 3 show strong fumarolic activity but no recorded eruption. 注The count of "active volcanoes" depends on the defining organization — the Smithsonian's Global Volcanism Program counts 23 Holocene volcanoes, and other English-language tallies give 27, so always state that the count is on PHIVOLCS's own basis.

Classification criteria: a recorded eruption with documented human record within the past 600 years, or an eruption within the Holocene (past 10,000 years).

注 The figure "24" is based on PHIVOLCS's own classification definition, and does not necessarily agree with counts from other agencies such as the Smithsonian's GVP. When stating "the Philippines has X active volcanoes," always specify the source agency.

4.2 Volcano Alert Level, tiers 0–5

6 tiers (Levels 0–5). The following is the framework used for Taal Volcano (source replaced 2026-08-26: primary source is PHIVOLCS's "Volcano Alert Level System — Taal Volcano." 注phivolcs.dost.gov.ph could not be reached directly due to a TLS certificate validation error = primary source not yet reached (as of 2026-08-26). The tier table itself is retained, but the relevant volcano's official PHIVOLCS alert table should always be checked before operational use). 注 The specific numerical thresholds differ by volcano (Mayon, Kanlaon, and Bulusan each use their own separate table), so do not apply these figures to another volcano directly.

注 Level 0 does not mean "safe." Both Taal and Bulusan have a track record of phreatic explosions with no warning even from Level 0–1. When deciding whether to approach a crater as a tourist, judging by the level number alone is dangerous.

Each volcano has a designated Permanent Danger Zone (PDZ) — Mayon's is a 6 km radius. Entry is barred in principle regardless of alert level.

4.3 Major volcanoes

Pinatubo (Zambales/Tarlac/Pampanga border)

• Peak activity on 15 June 1991 (eruptive activity began 2 April)
• VEI 6, ejecta volume of over 10 km³ (roughly 10 times 1980's Mount St. Helens)
• The second-largest eruption of the 20th century (1st was Novarupta, Alaska, 1912)
• 847 deaths. The majority of deaths were caused by roof collapse under the weight of ashfall
• Before the eruption, roughly 60,000 people within 30km of the peak were evacuated, dramatically reducing casualties (a success story of prediction)
• Nearly every bridge within 30 km was destroyed by lahar (volcanic mudflow). Lahar damage continued for several years afterward
• Climate impact: a 0.5–0.6°C average cooling in the Northern Hemisphere, roughly 0.4°C globally (1991–93)

注 Before it erupted, Pinatubo had had no recorded eruption for 600 years and was not widely recognized as "active." It stands as a textbook example that "no recorded activity" does not mean "safe."

Taal (Batangas Province, roughly 50km south of Manila)

• A volcanic island within a caldera lake (Taal Lake). Elevation 311m. 39 recorded eruptions since 1572
• The worst loss of life was in 1911 (VEI 3, roughly 1,335 dead). The largest eruption was in 1754 (VEI 5)
• The 12 January 2020 eruption: raised to Alert Level 4, an eruption column 10–15 km high, accompanied by volcanic lightning. As of 18 January, 16,174 households/70,413 people were sheltering across 300 evacuation centers. 39 deaths (only 1 a direct result of the eruption; the rest were evacuation-related or from refusal to evacuate). Agricultural damage of ₱3.06 billion (2,722 ha), fishery damage of ₱1.6 billion
• Since then: repeated phreatomagmatic eruptions in July 2021 (Level 3), November 2021, and 26 March 2022 (Level 3, roughly 1,100 evacuated)
• Activity continues into 2026. 4 small phreatomagmatic eruptions in July (a 900m ash column on 17 July; the 4th of the month as of 21 July, Inquirer.net). 74 volcanic earthquakes in 24 hours on 15 August (Inquirer.net). 注(Removed in the 2026-08-26 source-hygiene pass) The statement that "the most recent eruption was 30 June 2026" was sourced solely to English Wikipedia and has been dropped. The most recent eruption date should be confirmed via PHIVOLCS's daily bulletin = primary source not yet reached (as of 2026-08-26)

注 The majority of Taal's eruption-related deaths have come from the evacuation process rather than the eruption itself. This should not be dropped from disaster-preparedness lessons.

Mayon (Albay Province)

A prolonged eruption in 2026. Timeline (per Inquirer.net, PNA, Manila Bulletin, and ABS-CBN reporting):

Ashfall reached Guinobatan, Camalig, Ligao, and other towns, affecting 132 schools, with water-supply impacts also reported.

Kanlaon (spanning Negros Occidental and Negros Oriental)

• Elevation 2,465m, roughly 30 km southeast of Bacolod City
• Eruption of 3 June 2024: an ash column 5,000m above the crater, pyroclastic flows on the southern slope. Raised to Level 2. Ashfall reached as far as Bacolod, 85 km away, with fine particulates reaching the Bicol region. Agricultural damage of ₱104.8 million, over 3,400 livestock lost, 23,000 ha of sugarcane affected
• Eruption of 9 December 2024: raised to Level 3, ash column 3,000m. Roughly 87,000 evacuated (46,900 in La Castellana alone). Ashfall reached Panay and Guimaras islands
• Further eruptions in 2025 on 8 April, 13 May, 12 October, and 24 October. The April eruption also triggered wildfires around the mountain
• Still active as of August 2026: heavy ashfall on 22–23 August (GMA Network), classes suspended across all grade levels in Kanlaon City from noon on 24 August (Manila Times/Daily Guardian/GMA Network, reports of 24–25 August). Alert Level 2 maintained

注 English Wikipedia states Kanlaon was "at Level 3 as of July 2026," but multiple Philippine news reports from 22–24 August 2026 give Level 2. Wikipedia's status description lags behind reality, so a volcano's current alert level should always be confirmed against PHIVOLCS's daily bulletin or the most recent news reports.

Bulusan (Sorsogon Province)

2026 timeline (per PNA, Inquirer.net, Manila Bulletin, and GMA Network): lowered from Level 1 to 0 on 2/7 → seismic activity surged on 3/2 → PHIVOLCS warned of a possible phreatic eruption on 3/17 → raised back to Level 1 on 3/22 → over 400 (some reports say over 440) volcanic earthquakes in 24 hours on 5/20 → Level 1 maintained as of 7/28.

4.4 Volcano alert level summary as of 25 August 2026

注 Volcano alert levels can change day to day. This table is a snapshot as of 25 August 2026; for operational use, always check PHIVOLCS's bulletin for the current day.

5. Disaster preparedness system

5.1 RA 10121 (the Philippine Disaster Risk Reduction and Management Act, 2010)

Official name: Philippine Disaster Risk Reduction and Management Act of 2010. Approved 27 May 2010, taking effect 15 days after publication in the Official Gazette or equivalent (original text on lawphil.net).

Composition of the National Disaster Risk Reduction and Management Council (NDRRMC):

注 Unlike Japan, the command center for disaster management sits within the Department of National Defense (the operational secretariat is the Office of Civil Defense, OCD). Looking for an equivalent to Japan's Cabinet Office disaster-management body leads to confusion.

LDRRMF (Local Disaster Risk Reduction and Management Fund): local governments (provinces, cities, and municipalities) are required to set aside at least 5% of their estimated revenue from regular sources. Of that, 30% is designated the Quick Response Fund (QRF). At the national level, 30% of the National DRRM Fund is likewise earmarked as QRF.

注 The "5%" is a percentage of estimated revenue, not of the total budget. 注 Also, this 5% figure is a floor, not a ceiling ("not less than").

注(Corrected in the 2026-08-26 amendment-check pass) The previous text stating "the remaining 70% is for long-term measures such as preparedness and mitigation" was incorrect. RA 10121 Section 21 does not restrict the use of the remaining 70% in that way. That section broadly defines LDRRMF use as "disaster risk management activities," giving examples that include pre-disaster preparation (training, purchase of rescue equipment, supplies, and medicine), post-disaster activities, and payment of disaster insurance premiums. This body of documents' "02_Field-Specific Materials/11_Disasters, Environment, and Climate/Basic Materials" had already corrected the same error on 2026-08-23, and this article had not yet reflected that. Source: LawPhil, ra_10121_2010.html, original text of Section 21

5.1-2 RA 12287 (the Imminent Disaster Declaration Act, 2025) — a new law supplementing RA 10121

As of August 2026, no law has been enacted that amends RA 10121 itself. But in 2025, a new law, RA 12287, was enacted that builds on RA 10121's framework (added in the 2026-08-26 amendment-check pass; this body of documents had no prior record of it).

Source: LawPhil, lawphil.net/statutes/repacts/ra2025/ra_12287_2025.html, original text (accessed via an alternate route, 2026-08-26)/LawPhil's 2025 RA index, "September 12, 2025"

5.1-3 RA 12076 (the Evacuation Center Act, 2024) — another supplementary law

Newly added in the 2026-08-26 amendment-check pass. This body of documents had no prior record of it.

Source: LawPhil, lawphil.net/statutes/repacts/ra2024/ra_12076_2024.html/the Supreme Court e-Library's listing of its title. 注A section-by-section review of the text has not been completed = some primary-source verification remains outstanding.

5.1-4 注A "Department of Disaster Resilience (DDR)" does not exist as of August 2026

No Republic Act amending RA 10121 itself has been confirmed as of 26 August 2026. A bill to create a Department of Disaster Resilience (DDR) remains pending in the 20th Congress (HB 8483/HB 8962, among others) and has not been enacted. The 30 April 2023 EO 24 (creating the Disaster Response and Crisis Management Task Force, DRCMTF) is an executive order, not a law, and observers have flagged overlap with NDRRMC's functions (added in the 2026-08-26 amendment-check pass; sources: House bill PDFs docs.congress.hrep.online/legisdocs/basic_20/HB08483.pdf and HB08962.pdf/headlines gathered via Google News RSS).

5.2 Challenges in 2026

(1) The fallout from the flood-control corruption scandal

The large-scale corruption around the Department of Public Works and Highways' (DPWH) flood-control projects, which came to light in 2025, has been hitting disaster-preparedness financing directly in 2026.

注 "A budget being allocated" does not mean "disaster infrastructure works." The 2025 Cebu earthquake (₱12.69 billion in damage including education) and Typhoon Tino's Cebu flooding both occurred in the midst of the corruption scandal. 注 Sharp cuts to flood-control budgets work in the short term to raise flood risk. When assessing a site or a business continuity plan, do not take government flood-control planning at face value.

(2) The impact of the Middle East conflict (from 28 February 2026)

注 Implications for disaster recovery: ① higher fuel costs raise the cost of relief transport and generator operation; ② higher construction-material and transport costs raise the per-unit cost of rebuilding housing, likely delaying recovery in Sarangani and Typhoon Tino-affected areas; ③ higher interest rates suppress local government and corporate recovery investment; and ④ BusinessWorld (7/10) reports that the combination of El Niño (a 79% probability of development as of May 2026) and a prolonged conflict could sustain elevated prices for longer.

注 The Middle East is also a major destination for OFWs (Overseas Filipino Workers), but within the range of reporting reached in this investigation, specific figures for OFW repatriations from the Middle East in 2026 could not be confirmed.

6. Checklist for practitioners

Points for siting decisions: 1. Whether a site crosses the surface trace of the West Valley Fault (checkable via PHIVOLCS's "FaultFinder") 2. The flood history of rivers, lowlands, and reclaimed land (the lesson of Ormoc in 1991: land use upstream is decisive) 3. Storm surge risk (locations with a narrow, shallow continental shelf converging on the head of a bay — like the area from Eastern Samar to Leyte Gulf — are especially dangerous; recall Tacloban's 5.2m during Yolanda) 4. Volcanic PDZs (Mayon's is a 6km radius) and the ashfall zone along the prevailing wind 5. Resilience to chained disasters (as with Tino → Uwan in November 2025, striking just 5 days apart)

注 A final note on citing figures: always distinguish among the three types — confirmed NDRRMC figures, media-tallied figures, and scenario-based estimates. As shown in this article, the Sarangani earthquake's death toll differs between "81 dead + 31 missing (NDRRMC, 6/26)" and "92 (MindaNews, 7/5)," and the "over 30,000" figure for "The Big One" is a scenario estimate from the 2004 MMEIRS study.

日本語の詳細版: 分野「災害・環境・気候」「フィリピンの自然災害 各論 ― 台風・地震・火山」（本サイト日本語版）。