M5.5 earthquake 10 km E of Cortes, Philippines
A magnitude 5.5 earthquake struck 10 km E of Cortes, Philippines on Mon, May 25, 2026, 12:48 AM GMT+8 (16:48 UTC), 34 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (Mww, W-phase moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-05-24 16:48:40 UTC
- Depth
- 34.1 km (21.2 mi), shallow
- Epicenter
- 9.277° N, 126.288° E
- Region
- Philippines
- Felt reports
- 11
- Strongest shaking
- V, moderate shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 5.5 | Mww, W-phase moment | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.052 · 36 stations |
| 5.7 | Mwb, body-wave moment | USGS National Earthquake Information Center | Moment tensor · Reviewed |
| 5.5 | Mww, W-phase moment | USGS, automatic first solution | First automatic solution · Confirmed |
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 7.7% of gravity
- Peak ground velocity
- 4.0 cm/s
- Map
- Automatic

Did you feel it?
11 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
| Range | Chance |
|---|---|
| Under 1 | 90% |
| 1 to 10 | 9% |
| 10 to 100 | Under 1% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 90% |
| 1 to 10 | 9% |
| 10 to 100 | Under 1% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 5.5 Mww
- Nodal plane 1
- Strike 158°, dip 43°, rake 59°
- Nodal plane 2
- Strike 17°, dip 54°, rake 115°
- Landslide alert
- Green
- Liquefaction alert
- Green
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.5 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 57°
- Stations used
- 98
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 8 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.56 km ESE of Marihatag, Philippines · 127 days ago · 83 km deep · 55 km away
- 4.521 km E of Aras-asan, Philippines · 124 days ago · 57 km deep · 47 km away
- 5.15 km ESE of Maygatasan, Philippines · 115 days ago · 45 km deep · 87 km away · felt by 1
- 4.35 km NNE of Santa Monica, Philippines · 112 days ago · 9 km deep · 92 km away
- 5.158 km ESE of Marihatag, Philippines · 109 days ago · 35 km deep · 88 km away · felt by 1
- 5.090 km E of Union, Philippines · 98 days ago · 10 km deep · 95 km away · felt by 2
- 4.644 km E of Union, Philippines · 79 days ago · 35 km deep · 55 km away
- 4.318 km NE of Gamut, Philippines · 72 days ago · 79 km deep · 72 km away
Before
- 5.133 km ENE of La Paz, Philippines · 131 days ago · 53 km deep · 30 km away · felt by 3
- 4.634 km ENE of La Paz, Philippines · 131 days ago · 10 km deep · 31 km away
- 4.710 km W of San Benito, Philippines · 135 days ago · 88 km deep · 87 km away · felt by 2
- 4.212 km WNW of Gamut, Philippines · 152 days ago · 10 km deep · 37 km away
- 5.020 km ENE of Aras-asan, Philippines · 155 days ago · 20 km deep · 42 km away · felt by 1
- 4.33 km N of Salvacion, Philippines · 158 days ago · 93 km deep · 60 km away
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000szxz (also filed as usauto6000szxz). Read Fri, Oct 2, 2026, 1:04 AM UTC.