Tonga earthquakes

M4.5 earthquake 36 km WNW of Hihifo, Tonga

A magnitude 4.5 earthquake struck 36 km WNW of Hihifo, Tonga on Sun, Jan 19, 2020, 7:48 PM GMT+14 (05:48 UTC), 108 km (67 mi) below the surface.

A larger quake followed: M4.8 61 km SSW of Hihifo, 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
4.5 (mb), light
Local time
UTC
2020-01-19 05:48:51 UTC
Depth
108.4 km (67.4 mi), intermediate-depth
Epicenter
15.850° S, 174.122° 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 12.6 km horizontally, 8.7 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
79°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 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 us60007ai0. Read Wed, Sep 30, 2026, 12:52 PM UTC.