M4.5 earthquake 7 km NW of Santa Maria, Philippines
A magnitude 4.5 earthquake struck 7 km NW of Santa Maria, Philippines on Sat, Aug 10, 1985, 11:27 PM GMT+8 (15:27 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.4 50 km WNW of Rimus, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1985-08-10 15:27:44 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 17.006° N, 120.395° 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
- OPERATOR_ASSIGNED
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 1 in the 30 days before it.
After
- 5.450 km WNW of Rimus, Philippines · 14998 days ago · 29 km deep · 49 km away
- 5.055 km N of Binabalian, Philippines · 14998 days ago · 33 km deep · 57 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hk2. Read Tue, Sep 22, 2026, 10:27 AM UTC.