Tonga earthquakes

M5.0 earthquake 151 km WNW of Hihifo, Tonga

A magnitude 5.0 earthquake struck 151 km WNW of Hihifo, Tonga on Fri, Dec 6, 2019, 1:17 AM GMT-12 (13:17 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.8 171 km NW of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude: 5.0 (mb), moderate
Local time: Fri, Dec 6, 2019, 1:17 AM GMT-12
UTC: 2019-12-06 13:17:29 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 15.596° S, 175.163° 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 8.5 km horizontally, 1.8 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 62°
Stations used: 41

Nearby

Within 100 km, magnitude 2.0 and up: 9 in the 60 days after this one and 5 in the 30 days before it.

After

Before

Earthquakes today Tonga earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006r82 (also filed as iscgem617437558). Read Wed, Sep 30, 2026, 10:35 PM UTC.