M4.1 earthquake 100 km E of Cortes, Philippines
A magnitude 4.1 earthquake struck 100 km E of Cortes, Philippines on Fri, Apr 21, 2023, 2:34 PM GMT+8 (06:34 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 8 km ENE of Cortes, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-04-21 06:34:12 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 9.433° N, 127.094° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 178°
- Stations used
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000jwb9. Read Mon, Oct 5, 2026, 10:56 AM UTC.