Fiji earthquakes

M4.2 earthquake Fiji region

A magnitude 4.2 earthquake struck in the Fiji region on Sat, Apr 21, 2018, 6:40 AM GMT+12 (18:40 UTC), 507 km (315 mi) below the surface.

A larger quake followed: M5.9 224 km SSE of Alo, Wallis and Futuna. This one was a foreshock.

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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
4.2 (mb), light
Local time
UTC
2018-04-20 18:40:33 UTC
Depth
507.4 km (315.3 mi), deep
Epicenter
17.061° S, 177.748° W
Region
Fiji
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.

Location uncertainty
About 31.4 km horizontally, 29.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
197°, poorly surrounded by stations
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ds39. Read Wed, Sep 30, 2026, 4:49 AM UTC.