M4.5 earthquake 2 km ENE of Quipot, Philippines
A magnitude 4.5 earthquake struck 2 km ENE of Quipot, Philippines on Mon, Aug 12, 1985, 3:36 AM GMT+8 (19:36 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 4 km WSW of Calaca, 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
- 1985-08-11 19:36:00 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 13.787° N, 121.420° 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: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.04 km WSW of Calaca, Philippines · 15004 days ago · 178 km deep · 71 km away
- 4.60 km S of Matagbak, Philippines · 14987 days ago · 244 km deep · 74 km away
- 5.011 km WNW of Tingloy, Philippines · 14987 days ago · 139 km deep · 71 km away
- 4.97 km SSE of Tingloy, Philippines · 14985 days ago · 135 km deep · 61 km away
- 4.611 km W of Tingloy, Philippines · 14966 days ago · 119 km deep · 72 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002hm7. Read Tue, Sep 22, 2026, 3:28 AM UTC.