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M4.7 earthquake Banda Sea

A magnitude 4.7 earthquake struck in the Banda Sea on Tue, Sep 27, 1983, 2:26 AM GMT+8 (18:26 UTC), 164 km (102 mi) below the surface.

A larger quake followed: M5.1 265 km WSW of Tual, Indonesia. This one was a foreshock.

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The earthquake

Magnitude
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1983-09-26 18:26:28 UTC
Depth
164.4 km (102.2 mi), intermediate-depth
Epicenter
6.878° S, 129.745° E
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001yp4. Read Sat, Oct 3, 2026, 4:49 PM UTC.