Tonga earthquakes

M4.2 earthquake 295 km WSW of Haveluloto, Tonga

A magnitude 4.2 earthquake struck 295 km WSW of Haveluloto, Tonga on Sun, Jul 3, 2016, 12:45 AM GMT+13 (11:45 UTC), 364 km (226 mi) below the surface.

A larger quake followed: M4.4 Fiji region. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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
2016-07-02 11:45:42 UTC
Depth
363.7 km (226.0 mi), deep
Epicenter
22.186° S, 177.844° 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 15.9 km horizontally, 18.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
112°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 4.2259 km WSW of Haveluloto, Tonga · 3743 days ago · 338 km deep · 36 km away
  2. 4.4Fiji region · 3738 days ago · 10 km deep · 52 km away
  3. 4.3Fiji region · 3696 days ago · 469 km deep · 99 km away

Before

  1. 4.2south of the Fiji Islands · 3755 days ago · 474 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100061vx. Read Fri, Oct 2, 2026, 10:30 AM UTC.