Tonga earthquakes

M4.6 earthquake 76 km WNW of Pangai, Tonga

A magnitude 4.6 earthquake struck 76 km WNW of Pangai, Tonga on Sat, Feb 9, 2019, 2:02 PM GMT+13 (01:02 UTC), 164 km (102 mi) below the surface.

A larger quake followed: M5.1 58 km SW 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
4.6 (mb), light
Local time
UTC
2019-02-09 01:02:37 UTC
Depth
163.9 km (101.8 mi), intermediate-depth
Epicenter
19.510° S, 175.014° 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 11.3 km horizontally, 10.8 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
94°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jnfv. Read Sat, Sep 26, 2026, 7:30 PM UTC.