M6.3 earthquake 112 km NW of Tobelo, Indonesia
A magnitude 6.3 earthquake struck 112 km NW of Tobelo, Indonesia on Sun, Jul 30, 1950, 2:15 AM GMT+9:30 (16:45 UTC), 30 km (19 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1950-07-29 16:45:58 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 2.384° N, 127.233° 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
- 4.6% of gravity
- Peak ground velocity
- 1.2 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
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 3.3 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 iscgem895637. Read Wed, Sep 30, 2026, 6:38 PM UTC.