Tonga earthquakes

M4.6 earthquake 172 km SSW of Vaini, Tonga

A magnitude 4.6 earthquake struck 172 km SSW of Vaini, Tonga on Wed, May 6, 2020, 2:33 AM GMT+13 (13:33 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M5.3 120 km SSW of ‘Ohonua, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

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
2020-05-05 13:33:35 UTC
Depth
66.8 km (41.5 mi), shallow
Epicenter
22.557° S, 175.988° 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 8.2 km horizontally, 8.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
114°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.478 km SW of ‘Ohonua, Tonga · 2339 days ago · 44 km deep · 94 km away
  2. 4.4201 km SSW of ‘Ohonua, Tonga · 2334 days ago · 38 km deep · 41 km away
  3. 4.5236 km SSW of ‘Ohonua, Tonga · 2334 days ago · 42 km deep · 72 km away
  4. 4.3178 km SW of Vaini, Tonga · 2325 days ago · 353 km deep · 27 km away
  5. 4.8208 km SW of ‘Ohonua, Tonga · 2322 days ago · 70 km deep · 37 km away
  6. 5.3120 km SSW of ‘Ohonua, Tonga · 2311 days ago · 22 km deep · 55 km away · felt by 1
  7. 4.883 km SSW of ‘Ohonua, Tonga · 2286 days ago · 35 km deep · 94 km away
  8. 4.4154 km WSW of Haveluloto, Tonga · 2285 days ago · 121 km deep · 91 km away
  9. 4.5139 km WSW of Haveluloto, Tonga · 2285 days ago · 147 km deep · 93 km away
  10. 4.6128 km S of ‘Ohonua, Tonga · 2283 days ago · 10 km deep · 95 km away

Before

  1. 5.5100 km SW of ‘Ohonua, Tonga · 2354 days ago · 40 km deep · 73 km away · felt by 5
  2. 4.6142 km SW of Vaini, Tonga · 2355 days ago · 60 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009esi. Read Sat, Oct 3, 2026, 12:03 AM UTC.