M5.6 earthquake 236 km WNW of Gorontalo, Indonesia
A magnitude 5.6 earthquake struck 236 km WNW of Gorontalo, Indonesia on Sat, Feb 13, 1971, 7:33 AM GMT+8 (23:33 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (Mw, moment), moderate
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1971-02-12 23:33:15 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 1.428° N, 121.127° E
- Region
- Indonesia
- Strongest shaking
- IV, light shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Peak ground acceleration
- 3.7% of gravity
- Peak ground velocity
- 0.4 cm/s
- Map
- Automatic

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
- ±0.37
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.6 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem787343. Read Fri, Oct 2, 2026, 1:34 PM UTC.