M6.0 earthquake 71 km SSW of Poso, Indonesia
A magnitude 6.0 earthquake struck 71 km SSW of Poso, Indonesia on Mon, Sep 20, 1954, 8:39 AM GMT+8 (00:39 UTC), 50 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (Mw, moment), strong
- Magnitude from
- ISC-GEM global catalog
- Local time
- UTC
- 1954-09-20 00:39:36 UTC
- Depth
- 50.0 km (31.1 mi), shallow
- Epicenter
- 1.937° S, 120.402° E
- Region
- Indonesia
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 7.9% of gravity
- Peak ground velocity
- 1.9 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 3.0 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 iscgem891091. Read Sat, Oct 3, 2026, 4:49 PM UTC.