M7.1 earthquake 204 km SSE of Sofifi, Indonesia
A magnitude 7.1 earthquake struck 204 km SSE of Sofifi, Indonesia on Tue, Apr 16, 1963, 11:25 AM GMT+9:30 (01:55 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
- 7.1 (mw), major
- Local time
- UTC
- 1963-04-16 01:55:13 UTC
- Depth
- 30.0 km (18.6 mi), shallow
- Epicenter
- 1.050° S, 128.043° E
- Region
- Indonesia
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- Peak ground acceleration
- 15.4% of gravity
- Peak ground velocity
- 2.8 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
- ±0.51
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.7213 km N of Amahai, Indonesia · 23161 days ago · 35 km deep · 98 km away
- 6.0196 km SSE of Sofifi, Indonesia · 23160 days ago · 29 km deep · 40 km away
- 6.3234 km SSE of Sofifi, Indonesia · 23157 days ago · 35 km deep · 74 km away
- 6.1210 km S of Sofifi, Indonesia · 23121 days ago · 30 km deep · 78 km away
Before
Earthquakes todayIndonesia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem872159. Read Wed, Sep 23, 2026, 2:44 AM UTC.