Tonga earthquakes

M4.9 earthquake 138 km NE of Hihifo, Tonga

A magnitude 4.9 earthquake struck 138 km NE of Hihifo, Tonga on Thu, Apr 27, 2023, 12:29 AM GMT+13 (11:29 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 126 km NNE of Hihifo, 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
4.9 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-04-26 11:29:28 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
15.146° S, 172.808° 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 8.0 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
70°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 13 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.5105 km NE of Hihifo, Tonga · 1255 days ago · 10 km deep · 37 km away
  2. 5.5124 km ENE of Hihifo, Tonga · 1249 days ago · 32 km deep · 51 km away · felt by 1
  3. 4.076 km NNE of Hihifo, Tonga · 1240 days ago · 35 km deep · 71 km away
  4. 4.2Samoa Islands region · 1240 days ago · 47 km deep · 46 km away
  5. 4.6129 km NE of Hihifo, Tonga · 1232 days ago · 10 km deep · 37 km away
  6. 4.3106 km NNE of Hihifo, Tonga · 1225 days ago · 10 km deep · 69 km away
  7. 4.3102 km NE of Hihifo, Tonga · 1225 days ago · 18 km deep · 47 km away
  8. 5.3105 km NE of Hihifo, Tonga · 1216 days ago · 35 km deep · 41 km away
  9. 4.799 km NNE of Hihifo, Tonga · 1215 days ago · 10 km deep · 76 km away
  10. 4.5138 km NE of Hihifo, Tonga · 1203 days ago · 10 km deep · 31 km away
  11. 5.7126 km NNE of Hihifo, Tonga · 1203 days ago · 8 km deep · 55 km away
  12. 4.4117 km NE of Hihifo, Tonga · 1199 days ago · 10 km deep · 30 km away
  13. 5.4123 km NE of Hihifo, Tonga · 1197 days ago · 35 km deep · 19 km away · felt by 3

Before

  1. 4.5112 km NNE of Hihifo, Tonga · 1270 days ago · 33 km deep · 68 km away
  2. 4.5136 km NE of Hihifo, Tonga · 1271 days ago · 10 km deep · 3 km away
  3. 4.4107 km NE of Hihifo, Tonga · 1273 days ago · 34 km deep · 31 km away
  4. 4.3114 km NNE of Hihifo, Tonga · 1275 days ago · 10 km deep · 75 km away
  5. 5.3107 km NE of Hihifo, Tonga · 1283 days ago · 14 km deep · 34 km away · felt by 2
  6. 4.5Samoa Islands region · 1285 days ago · 10 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000jxrf. Read Fri, Oct 2, 2026, 12:05 PM UTC.