Tonga earthquakes

M4.9 earthquake 283 km SSW of ‘Ohonua, Tonga

A magnitude 4.9 earthquake struck 283 km SSW of ‘Ohonua, Tonga on Mon, Jun 26, 2023, 4:36 PM GMT+13 (03:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.6 249 km SSW of ‘Ohonua, Tonga. This one was a foreshock.

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

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The earthquake

Magnitude
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-26 03:36:02 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
23.770° S, 175.824° 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 9.5 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
115°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 43 in the 60 days after this one and 95 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kb2u. Read Sun, Oct 4, 2026, 3:08 PM UTC.