Tonga earthquakes

M4.6 earthquake 75 km WSW of Neiafu, Tonga

A magnitude 4.6 earthquake struck 75 km WSW of Neiafu, Tonga on Wed, Sep 2, 2020, 10:57 AM GMT+13 (21:57 UTC), 94 km (58 mi) below the surface.

A larger quake followed: M6.4 39 km NE of Pangai, Tonga. 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-09-01 21:57:22 UTC
Depth
93.8 km (58.3 mi), intermediate-depth
Epicenter
18.909° S, 174.649° 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 10.2 km horizontally, 5.7 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
78°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 19 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.493 km NW of Neiafu, Tonga · 2219 days ago · 90 km deep · 99 km away
  2. 4.3142 km NW of Pangai, Tonga · 2208 days ago · 172 km deep · 76 km away
  3. 6.439 km NE of Pangai, Tonga · 2193 days ago · 28 km deep · 89 km away · felt by 9 · tsunami flag
  4. 4.459 km NE of Pangai, Tonga · 2193 days ago · 35 km deep · 87 km away
  5. 4.656 km N of Pangai, Tonga · 2193 days ago · 35 km deep · 60 km away
  6. 4.747 km NNE of Pangai, Tonga · 2193 days ago · 35 km deep · 73 km away
  7. 4.247 km NE of Pangai, Tonga · 2193 days ago · 35 km deep · 99 km away
  8. 4.634 km NE of Pangai, Tonga · 2193 days ago · 35 km deep · 97 km away
  9. 4.463 km SSW of Neiafu, Tonga · 2193 days ago · 27 km deep · 60 km away
  10. 4.458 km NNE of Pangai, Tonga · 2193 days ago · 35 km deep · 82 km away
  11. 4.661 km S of Neiafu, Tonga · 2193 days ago · 35 km deep · 74 km away
  12. 4.945 km NNE of Pangai, Tonga · 2192 days ago · 35 km deep · 76 km away · felt by 1
  13. 4.948 km NE of Pangai, Tonga · 2189 days ago · 35 km deep · 85 km away · felt by 1
  14. 4.1157 km NW of Pangai, Tonga · 2188 days ago · 204 km deep · 97 km away
  15. 4.464 km S of Neiafu, Tonga · 2187 days ago · 35 km deep · 72 km away
  16. 4.863 km NNE of Pangai, Tonga · 2185 days ago · 10 km deep · 60 km away
  17. 4.1Tonga · 2176 days ago · 23 km deep · 89 km away
  18. 5.062 km NE of Pangai, Tonga · 2173 days ago · 10 km deep · 86 km away
  19. 5.083 km NW of Neiafu, Tonga · 2165 days ago · 79 km deep · 76 km away

Before

  1. 4.541 km W of Pangai, Tonga · 2236 days ago · 63 km deep · 94 km away
  2. 4.449 km WSW of Neiafu, Tonga · 2240 days ago · 80 km deep · 27 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bhv1. Read Sat, Oct 3, 2026, 6:25 AM UTC.