Tonga earthquakes

M4.6 earthquake 255 km WNW of Houma, Tonga

A magnitude 4.6 earthquake struck 255 km WNW of Houma, Tonga on Tue, Jun 20, 2023, 11:32 AM GMT+13 (22:32 UTC), 481 km (299 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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-19 22:32:12 UTC
Depth
480.9 km (298.8 mi), deep
Epicenter
20.441° S, 177.627° 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 12.6 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
71°
Stations used
55

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 18 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.4269 km WNW of Houma, Tonga · 1197 days ago · 487 km deep · 19 km away
  2. 4.9Fiji region · 1192 days ago · 524 km deep · 53 km away
  3. 4.2Fiji region · 1186 days ago · 553 km deep · 99 km away
  4. 4.2Fiji region · 1184 days ago · 566 km deep · 48 km away
  5. 4.1284 km WNW of Houma, Tonga · 1181 days ago · 514 km deep · 33 km away
  6. 4.2Fiji region · 1180 days ago · 522 km deep · 77 km away
  7. 4.1292 km NW of Houma, Tonga · 1171 days ago · 545 km deep · 89 km away
  8. 4.4Fiji region · 1160 days ago · 394 km deep · 13 km away
  9. 4.1Fiji region · 1154 days ago · 420 km deep · 80 km away
  10. 4.1294 km W of Houma, Tonga · 1152 days ago · 573 km deep · 81 km away
  11. 4.1264 km WNW of Houma, Tonga · 1150 days ago · 557 km deep · 37 km away
  12. 4.4296 km WNW of Houma, Tonga · 1149 days ago · 536 km deep · 44 km away
  13. 4.4Fiji region · 1148 days ago · 250 km deep · 89 km away
  14. 4.2Fiji region · 1148 days ago · 539 km deep · 69 km away
  15. 4.3268 km WNW of Houma, Tonga · 1147 days ago · 529 km deep · 19 km away
  16. 4.2282 km WNW of Houma, Tonga · 1147 days ago · 528 km deep · 42 km away
  17. 4.0283 km WNW of Houma, Tonga · 1145 days ago · 502 km deep · 44 km away
  18. 4.5265 km WNW of Houma, Tonga · 1143 days ago · 493 km deep · 15 km away

Before

  1. 4.3Fiji region · 1206 days ago · 562 km deep · 56 km away
  2. 4.2Fiji region · 1208 days ago · 559 km deep · 54 km away
  3. 4.3Fiji region · 1210 days ago · 562 km deep · 99 km away
  4. 4.2Fiji region · 1213 days ago · 570 km deep · 75 km away
  5. 4.3258 km NW of Houma, Tonga · 1214 days ago · 542 km deep · 84 km away
  6. 4.2Fiji region · 1217 days ago · 551 km deep · 59 km away
  7. 4.5297 km WNW of Houma, Tonga · 1218 days ago · 532 km deep · 53 km away
  8. 4.2Fiji region · 1224 days ago · 602 km deep · 98 km away
  9. 4.1279 km WNW of Houma, Tonga · 1224 days ago · 525 km deep · 30 km away
  10. 4.3277 km W of Houma, Tonga · 1229 days ago · 474 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000k9q7. Read Fri, Oct 2, 2026, 6:16 PM UTC.