M4.0 earthquake 138 km E of Amahai, Indonesia
A magnitude 4.0 earthquake struck 138 km E of Amahai, Indonesia on Sat, Sep 18, 1982, 10:20 AM GMT+9 (01:20 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 107 km ENE of Amahai, Indonesia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1982-09-18 01:20:02 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 3.552° S, 130.150° E
- Region
- Indonesia
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.0107 km ENE of Amahai, Indonesia · 16056 days ago · 40 km deep · 63 km away
- 4.7115 km ENE of Amahai, Indonesia · 16056 days ago · 33 km deep · 62 km away
Before
- 4.0157 km E of Amahai, Indonesia · 16106 days ago · 60 km deep · 40 km away
- 4.9169 km E of Amahai, Indonesia · 16109 days ago · 33 km deep · 55 km away
- 4.250 km ENE of Amahai, Indonesia · 16113 days ago · 85 km deep · 100 km away
- 4.0147 km E of Amahai, Indonesia · 16118 days ago · 33 km deep · 31 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001pp4. Read Mon, Oct 5, 2026, 9:25 AM UTC.