Solomon Islands earthquakes

M5.7 earthquake 209 km SW of Malango, Solomon Islands

A magnitude 5.7 earthquake struck 209 km SW of Malango, Solomon Islands on Thu, Apr 21, 1977, 11:44 AM GMT+11 (00:44 UTC), 33 km (21 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
5.7 (mb, body-wave), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1977-04-21 00:44:33 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
10.867° S, 158.217° E
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.7mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed
5.73Mw, momentISC-GEM global catalogFinal · ±0.32

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
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 2.7 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 usp0000ngn (also filed as iscgem700060). Read Thu, Oct 1, 2026, 7:26 PM UTC.