M5.5 earthquake 8 km NNW of Harrison, Philippines
A magnitude 5.5 earthquake struck 8 km NNW of Harrison, Philippines on Wed, Mar 4, 1970, 9:17 AM GMT+8 (01:17 UTC), 50 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mw), moderate
- Local time
- UTC
- 1970-03-04 01:17:45 UTC
- Depth
- 50.2 km (31.2 mi), shallow
- Epicenter
- 13.522° N, 120.399° 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.
- Magnitude uncertainty
- ±0.23
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem797507. Read Tue, Sep 22, 2026, 3:38 PM UTC.