Tonga earthquakes

M4.2 earthquake 254 km W of Hihifo, Tonga

A magnitude 4.2 earthquake struck 254 km W of Hihifo, Tonga on Mon, Feb 19, 2018, 11:12 AM GMT-12 (23:12 UTC), 346 km (215 mi) below the surface.

A larger quake followed: M4.8 241 km SE of Alo, Wallis and Futuna. This one was a foreshock.

More in Tonga

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-02-19 23:12:10 UTC
Depth
345.7 km (214.8 mi), deep
Epicenter
16.306° S, 176.150° 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 17.3 km horizontally, 11.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
98°
Stations used
24

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.

After

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d9nk. Read Fri, Oct 2, 2026, 7:24 AM UTC.