Tonga earthquakes

M4.4 earthquake 292 km NW of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 292 km NW of Haveluloto, Tonga on Sat, May 12, 2018, 10:01 AM GMT+13 (21:01 UTC), 583 km (362 mi) below the surface.

A larger quake followed: M4.7 Fiji region. This one was a foreshock.

Nuku‘alofa forecast More in Tonga

Map

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

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The earthquake

Magnitude: 4.4 (mb, body-wave), light
Magnitude from: USGS National Earthquake Information Center
Local time: Sat, May 12, 2018, 10:01 AM GMT+13
UTC: 2018-05-11 21:01:24 UTC
Depth: 582.7 km (362.1 mi), deep
Epicenter: 19.514° S, 177.416° 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 14.6 km horizontally, 14.8 km in depth
Magnitude uncertainty: ±0.16
Depth from: From location
Station coverage gap: 152°
Stations used: 13

Nearest places

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

Nuku‘alofa, TongaPopulation 22,400. Forecast293 kmNW

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 3 in the 30 days before it.

After

Before

Earthquakes today Tonga earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000e6ks. Read Sun, Oct 4, 2026, 8:49 PM UTC.