Tonga earthquakes

M4.7 earthquake 146 km NE of Hihifo, Tonga

A magnitude 4.7 earthquake struck 146 km NE of Hihifo, Tonga on Tue, Jul 12, 2022, 2:54 PM GMT+13 (01:54 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 141 km SSW of Gataivai, Samoa. 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-07-12 01:54:19 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.083° S, 172.773° 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 6.3 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
63°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 11 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hs44. Read Thu, Oct 1, 2026, 11:22 PM UTC.