Tonga earthquakes

M4.4 earthquake 170 km WNW of Neiafu, Tonga

A magnitude 4.4 earthquake struck 170 km WNW of Neiafu, Tonga on Tue, Nov 17, 2020, 2:20 PM GMT+13 (01:20 UTC), 218 km (136 mi) below the surface.

A larger quake followed: M5.9 152 km NW of Neiafu, 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
4.4 (mb), light
Local time
UTC
2020-11-17 01:20:55 UTC
Depth
218.4 km (135.7 mi), intermediate-depth
Epicenter
18.075° S, 175.481° 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 6.0 km horizontally, 8.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
83°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000cqrs. Read Tue, Sep 29, 2026, 2:32 PM UTC.