M5.4 earthquake 23 km W of Magdug, Philippines
A magnitude 5.4 earthquake struck 23 km W of Magdug, Philippines on Sat, Feb 23, 1985, 9:01 AM GMT+8 (01:01 UTC), 163 km (101 mi) below the surface.
A larger quake followed: M5.9 61 km SSE of Pondaguitan, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mw), moderate
- Local time
- UTC
- 1985-02-23 01:01:30 UTC
- Depth
- 162.6 km (101.0 mi), intermediate-depth
- Epicenter
- 6.557° N, 125.887° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.961 km SSE of Pondaguitan, Philippines · 15174 days ago · 92 km deep · 96 km away
- 3.632 km SSE of Pondaguitan, Philippines · 15166 days ago · 165 km deep · 69 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002c58 (also filed as gcmtb022385a, gcmt19850223010127, iscgem532784). Read Tue, Sep 22, 2026, 9:18 PM UTC.