Tonga earthquakes

M4.3 earthquake 111 km SSW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 111 km SSW of Hihifo, Tonga on Sat, May 13, 2017, 8:56 PM GMT-12 (08:56 UTC), 148 km (92 mi) below the surface.

A larger quake followed: M5.3 132 km SSE of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.3 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-05-14 08:56:51 UTC
Depth
147.6 km (91.7 mi), intermediate-depth
Epicenter
16.852° S, 174.273° 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, 14.6 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
141°
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 6 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008wgq. Read Sat, Oct 3, 2026, 3:54 AM UTC.