Tonga earthquakes

M4.3 earthquake 94 km SW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 94 km SW of Hihifo, Tonga on Tue, Feb 14, 2017, 3:10 AM GMT-12 (15:10 UTC), 176 km (109 mi) below the surface.

A larger quake followed: M4.9 51 km SW of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-02-14 15:10:01 UTC
Depth
175.7 km (109.2 mi), intermediate-depth
Epicenter
16.587° S, 174.389° 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 10.1 km horizontally, 5.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
77°
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 7 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 us20008m27. Read Sun, Oct 4, 2026, 9:58 PM UTC.