M5.6 earthquake 96 km W of Tobelo, Indonesia
A magnitude 5.6 earthquake struck 96 km W of Tobelo, Indonesia on Fri, Jul 30, 1971, 12:58 PM GMT+9 (03:58 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M5.6 134 km NW of Ternate, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.6 (mw), moderate
- Local time
- UTC
- 1971-07-30 03:58:02 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 1.739° N, 127.146° 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
- 2.4% of gravity
- Peak ground velocity
- 0.5 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
- ±0.46
- 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: 1 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 iscgem782999. Read Mon, Sep 28, 2026, 12:50 AM UTC.