Solomon Islands earthquakes

M5.5 earthquake 28 km WSW of Malango, Solomon Islands

A magnitude 5.5 earthquake struck 28 km WSW of Malango, Solomon Islands on Fri, Jan 20, 1978, 11:24 AM GMT+11 (00:24 UTC), 73 km (45 mi) below the surface.

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Map

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

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The earthquake

Magnitude
5.5 (mb), moderate
Local time
UTC
1978-01-20 00:24:26 UTC
Depth
73.0 km (45.4 mi), intermediate-depth
Epicenter
9.790° S, 159.475° E
Strongest shaking
IV, light 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
IV, light shaking
Peak ground acceleration
2.4% of gravity
Peak ground velocity
0.1 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
76

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 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 usp0000sm3 (also filed as gcmtb012078b, gcmt19780120002426, iscgem688041). Read Mon, Sep 28, 2026, 2:32 AM UTC.