Tonga earthquakes

M4.1 earthquake 279 km WNW of Houma, Tonga

A magnitude 4.1 earthquake struck 279 km WNW of Houma, Tonga on Sat, May 27, 2023, 10:40 PM GMT+13 (09:40 UTC), 525 km (326 mi) below the surface.

A larger quake followed: M4.9 Fiji region. 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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-05-27 09:40:04 UTC
Depth
525.4 km (326.4 mi), deep
Epicenter
20.521° S, 177.901° 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, 11.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
75°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.2Fiji region · 1224 days ago · 602 km deep · 72 km away
  2. 4.5297 km WNW of Houma, Tonga · 1217 days ago · 532 km deep · 23 km away
  3. 4.2Fiji region · 1216 days ago · 551 km deep · 29 km away
  4. 4.5Fiji region · 1213 days ago · 572 km deep · 92 km away
  5. 4.2Fiji region · 1212 days ago · 570 km deep · 46 km away
  6. 4.3Fiji region · 1209 days ago · 562 km deep · 69 km away
  7. 4.2Fiji region · 1208 days ago · 559 km deep · 42 km away
  8. 4.5Fiji region · 1208 days ago · 605 km deep · 92 km away
  9. 4.3Fiji region · 1205 days ago · 562 km deep · 29 km away
  10. 4.7Fiji region · 1203 days ago · 554 km deep · 84 km away
  11. 4.6255 km WNW of Houma, Tonga · 1200 days ago · 481 km deep · 30 km away
  12. 4.4269 km WNW of Houma, Tonga · 1196 days ago · 487 km deep · 33 km away
  13. 4.9Fiji region · 1191 days ago · 524 km deep · 29 km away
  14. 4.2Fiji region · 1185 days ago · 553 km deep · 70 km away
  15. 4.2Fiji region · 1183 days ago · 566 km deep · 30 km away
  16. 4.8Fiji region · 1183 days ago · 571 km deep · 91 km away
  17. 4.1284 km WNW of Houma, Tonga · 1181 days ago · 514 km deep · 6 km away
  18. 4.2Fiji region · 1179 days ago · 522 km deep · 78 km away

Before

  1. 4.3277 km W of Houma, Tonga · 1228 days ago · 474 km deep · 33 km away
  2. 3.9Fiji region · 1228 days ago · 562 km deep · 71 km away
  3. 4.3273 km W of Houma, Tonga · 1231 days ago · 440 km deep · 52 km away
  4. 4.1Fiji region · 1237 days ago · 601 km deep · 59 km away
  5. 4.4Fiji region · 1240 days ago · 570 km deep · 76 km away
  6. 4.1Fiji region · 1243 days ago · 539 km deep · 75 km away
  7. 4.0Fiji region · 1245 days ago · 558 km deep · 39 km away
  8. 4.4Fiji region · 1245 days ago · 536 km deep · 86 km away
  9. 4.2Fiji region · 1253 days ago · 565 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k5rj. Read Fri, Oct 2, 2026, 3:14 AM UTC.