Tonga earthquakes

M4.3 earthquake 174 km SW of Hihifo, Tonga

A magnitude 4.3 earthquake struck 174 km SW of Hihifo, Tonga on Sat, Feb 13, 2021, 3:39 PM GMT-12 (03:39 UTC), 262 km (163 mi) below the surface.

A larger quake followed: M4.7 143 km NW of Neiafu, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.3 (mb), light
Local time
UTC
2021-02-14 03:39:36 UTC
Depth
262.4 km (163.0 mi), intermediate-depth
Epicenter
17.163° S, 174.840° 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 14.9 km horizontally, 9.2 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
158°
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.7143 km NW of Neiafu, Tonga · 2046 days ago · 245 km deep · 84 km away
  2. 4.0106 km SSW of Hihifo, Tonga · 2041 days ago · 99 km deep · 81 km away
  3. 4.4143 km SSW of Hihifo, Tonga · 2032 days ago · 87 km deep · 67 km away
  4. 4.4110 km SSW of Hihifo, Tonga · 2030 days ago · 140 km deep · 80 km away
  5. 4.3166 km WNW of Neiafu, Tonga · 2018 days ago · 277 km deep · 98 km away
  6. 4.1111 km WSW of Hihifo, Tonga · 1994 days ago · 298 km deep · 91 km away

Before

  1. 4.9148 km SSW of Hihifo, Tonga · 2061 days ago · 157 km deep · 51 km away
  2. 4.581 km SW of Hihifo, Tonga · 2071 days ago · 74 km deep · 94 km away
  3. 4.8143 km SSW of Hihifo, Tonga · 2073 days ago · 92 km deep · 78 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000djen. Read Wed, Sep 30, 2026, 12:12 AM UTC.