Tonga earthquakes

M4.7 earthquake 66 km N of Hihifo, Tonga

A magnitude 4.7 earthquake struck 66 km N of Hihifo, Tonga on Tue, May 11, 2021, 7:39 AM GMT+13 (18:39 UTC), 22 km (14 mi) below the surface.

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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), light
Local time
UTC
2021-05-10 18:39:52 UTC
Depth
22.4 km (13.9 mi), shallow
Epicenter
15.354° S, 173.776° 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 10.4 km horizontally, 4.8 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
118°
Stations used
37

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 7 in the 30 days before it.

After

  1. 4.6126 km NNE of Hihifo, Tonga · 1961 days ago · 10 km deep · 78 km away
  2. 4.3127 km NNE of Hihifo, Tonga · 1955 days ago · 10 km deep · 65 km away
  3. 4.5136 km NNE of Hihifo, Tonga · 1945 days ago · 10 km deep · 73 km away
  4. 4.5111 km ENE of Hihifo, Tonga · 1944 days ago · 10 km deep · 94 km away
  5. 4.422 km NW of Hihifo, Tonga · 1943 days ago · 106 km deep · 57 km away
  6. 4.436 km SE of Hihifo, Tonga · 1942 days ago · 102 km deep · 98 km away
  7. 4.4101 km WNW of Hihifo, Tonga · 1938 days ago · 255 km deep · 91 km away
  8. 4.417 km NNW of Hihifo, Tonga · 1918 days ago · 35 km deep · 51 km away
  9. 4.7106 km N of Hihifo, Tonga · 1916 days ago · 10 km deep · 41 km away
  10. 4.6123 km NW of Hihifo, Tonga · 1913 days ago · 10 km deep · 80 km away
  11. 4.690 km NNE of Hihifo, Tonga · 1912 days ago · 10 km deep · 35 km away

Before

  1. 4.679 km ENE of Hihifo, Tonga · 1969 days ago · 10 km deep · 74 km away
  2. 4.650 km NNE of Hihifo, Tonga · 1974 days ago · 69 km deep · 28 km away
  3. 4.459 km ESE of Hihifo, Tonga · 1980 days ago · 35 km deep · 97 km away
  4. 4.592 km NNE of Hihifo, Tonga · 1980 days ago · 29 km deep · 35 km away
  5. 4.6Samoa Islands region · 1984 days ago · 10 km deep · 74 km away
  6. 4.529 km SW of Hihifo, Tonga · 1984 days ago · 10 km deep · 91 km away
  7. 4.885 km NE of Hihifo, Tonga · 1992 days ago · 10 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000e3tc. Read Wed, Sep 30, 2026, 9:49 AM UTC.