Tonga earthquakes

M5.0 earthquake 110 km SE of Pangai, Tonga

A magnitude 5.0 earthquake struck 110 km SE of Pangai, Tonga on Mon, Apr 2, 2018, 2:50 PM GMT+13 (01:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.6 104 km ENE of ‘Ohonua, 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
5.0 (Mww, W-phase moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-04-02 01:50:51 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
20.643° S, 173.757° 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 7.0 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
67°
Stations used
120

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 12 in the 60 days after this one and 2 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 us1000dcae. Read Fri, Oct 2, 2026, 2:56 PM UTC.