Tonga earthquakes

M4.2 earthquake 209 km W of Hihifo, Tonga

A magnitude 4.2 earthquake struck 209 km W of Hihifo, Tonga on Sat, Apr 2, 2016, 11:21 AM GMT-12 (23:21 UTC), 350 km (218 mi) below the surface.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-04-02 23:21:27 UTC
Depth
350.3 km (217.7 mi), deep
Epicenter
16.075° S, 175.750° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 14.6 km horizontally, 20.0 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
154°
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.0150 km WSW of Hihifo, Tonga · 3815 days ago · 297 km deep · 77 km away

Before

  1. 4.1120 km W of Hihifo, Tonga · 3841 days ago · 321 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20005ged. Read Mon, Oct 5, 2026, 6:39 AM UTC.