Tonga earthquakes

M4.3 earthquake 125 km W of Neiafu, Tonga

A magnitude 4.3 earthquake struck 125 km W of Neiafu, Tonga on Fri, Dec 14, 2018, 9:04 PM GMT+13 (08:04 UTC), 250 km (156 mi) below the surface.

A larger quake followed: M4.9 90 km NW of Neiafu, Tonga. 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
4.3 (mb), light
Local time
UTC
2018-12-14 08:04:56 UTC
Depth
250.3 km (155.5 mi), intermediate-depth
Epicenter
18.761° S, 175.167° W
Region
Tonga
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 12.5 km horizontally, 12.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
103°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000ivbv. Read Sat, Sep 26, 2026, 5:12 AM UTC.