M4.7 earthquake 91 km WSW of Tomohon, Indonesia
A magnitude 4.7 earthquake struck 91 km WSW of Tomohon, Indonesia on Fri, Apr 29, 1977, 12:37 PM GMT+8 (04:37 UTC), 283 km (176 mi) below the surface.
A larger quake followed: M5.0 126 km ESE of Gorontalo, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1977-04-29 04:37:30 UTC
- Depth
- 283.0 km (175.8 mi), intermediate-depth
- Epicenter
- 0.982° N, 124.053° E
- Region
- Indonesia
- 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.
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000np3. Read Tue, Sep 22, 2026, 12:13 PM UTC.