M5.5 earthquake 86 km W of Tobelo, Indonesia
A magnitude 5.5 earthquake struck 86 km W of Tobelo, Indonesia on Sat, Aug 31, 1974, 6:44 AM GMT+9 (21:44 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.5 (mb), moderate
- Local time
- UTC
- 1974-08-30 21:44:20 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 1.841° N, 127.238° 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
- 2.5% 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 16
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 todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00007vg. Read Tue, Sep 22, 2026, 11:14 AM UTC.