Tonga earthquakes

M6.0 earthquake 135 km SE of Pangai, Tonga

A magnitude 6.0 earthquake struck 135 km SE of Pangai, Tonga on Thu, Jul 23, 1936, 6:39 PM GMT+12:19:12 (06:20 UTC), 15 km (9 mi) below the surface.

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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
6.0 (mw), strong
Local time
UTC
1936-07-23 06:20:13 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
20.829° S, 173.624° 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.

Magnitude uncertainty
±0.37
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem903754. Read Tue, Sep 22, 2026, 8:37 AM UTC.