Tonga earthquakes

M5.1 earthquake 215 km WSW of Haveluloto, Tonga

A magnitude 5.1 earthquake struck 215 km WSW of Haveluloto, Tonga on Mon, May 17, 2021, 1:31 PM GMT+13 (00:31 UTC), 238 km (148 mi) below the surface.

Nuku‘alofa forecastMore 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
5.1 (mww), moderate
Local time
UTC
2021-05-17 00:31:12 UTC
Depth
237.6 km (147.7 mi), intermediate-depth
Epicenter
21.617° S, 177.231° 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 12.4 km horizontally, 5.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
41°
Stations used
163

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 2 in the 60 days after this one and 4 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 us7000e3n1 (also filed as usauto7000e3n1, iscgem620377081). Read Tue, Sep 29, 2026, 8:15 AM UTC.