M4.1 earthquake 264 km WNW of Houma, Tonga
A magnitude 4.1 earthquake struck 264 km WNW of Houma, Tonga on Wed, Aug 9, 2023, 10:40 PM GMT+13 (09:40 UTC), 557 km (346 mi) below the surface.
A larger quake followed: M4.9 Fiji region. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-08-09 09:40:20 UTC
- Depth
- 556.8 km (346.0 mi), deep
- Epicenter
- 20.112° S, 177.574° 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 27.1 km horizontally, 20.6 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 177°
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.4296 km WNW of Houma, Tonga · 1148 days ago · 536 km deep · 40 km away
- 4.2Fiji region · 1147 days ago · 539 km deep · 56 km away
- 4.3268 km WNW of Houma, Tonga · 1147 days ago · 529 km deep · 23 km away
- 4.2282 km WNW of Houma, Tonga · 1146 days ago · 528 km deep · 19 km away
- 4.0283 km WNW of Houma, Tonga · 1144 days ago · 502 km deep · 20 km away
- 4.0Fiji region · 1143 days ago · 578 km deep · 90 km away
- 4.5265 km WNW of Houma, Tonga · 1143 days ago · 493 km deep · 25 km away
- 4.2Fiji region · 1141 days ago · 596 km deep · 95 km away
- 4.5270 km WNW of Houma, Tonga · 1140 days ago · 533 km deep · 63 km away
- 4.3Fiji region · 1139 days ago · 588 km deep · 91 km away
- 4.3262 km WNW of Houma, Tonga · 1138 days ago · 376 km deep · 30 km away · felt by 1
- 4.3241 km WNW of Houma, Tonga · 1138 days ago · 504 km deep · 42 km away
- 4.4Fiji region · 1136 days ago · 602 km deep · 82 km away
- 4.3Fiji region · 1135 days ago · 541 km deep · 99 km away
- 4.5259 km WNW of Houma, Tonga · 1130 days ago · 529 km deep · 36 km away
- 4.0283 km WNW of Houma, Tonga · 1130 days ago · 516 km deep · 36 km away
- 4.0289 km WNW of Houma, Tonga · 1128 days ago · 540 km deep · 33 km away
- 4.3Fiji region · 1125 days ago · 532 km deep · 80 km away
- 4.2Fiji region · 1122 days ago · 531 km deep · 51 km away
- 4.4Fiji region · 1121 days ago · 527 km deep · 62 km away
- 4.1287 km NW of Houma, Tonga · 1120 days ago · 552 km deep · 56 km away
- 4.5286 km WNW of Houma, Tonga · 1119 days ago · 494 km deep · 29 km away
- 4.0299 km WNW of Houma, Tonga · 1118 days ago · 559 km deep · 37 km away
- 4.3Fiji region · 1112 days ago · 600 km deep · 92 km away
- 4.0284 km WNW of Houma, Tonga · 1112 days ago · 509 km deep · 21 km away
- 4.4280 km WNW of Houma, Tonga · 1111 days ago · 496 km deep · 18 km away
- 4.4Fiji region · 1110 days ago · 567 km deep · 78 km away
- 4.5257 km WNW of Houma, Tonga · 1103 days ago · 527 km deep · 13 km away
- 4.3Fiji region · 1103 days ago · 598 km deep · 64 km away
- 4.9Fiji region · 1099 days ago · 596 km deep · 97 km away
- 4.3297 km W of Houma, Tonga · 1099 days ago · 623 km deep · 95 km away
- 4.3273 km WNW of Houma, Tonga · 1096 days ago · 507 km deep · 26 km away
- 4.7250 km WNW of Houma, Tonga · 1094 days ago · 503 km deep · 47 km away
- 4.2297 km WNW of Houma, Tonga · 1091 days ago · 564 km deep · 55 km away
Before
- 4.1Fiji region · 1153 days ago · 420 km deep · 46 km away
- 4.4Fiji region · 1159 days ago · 394 km deep · 24 km away
- 4.1292 km NW of Houma, Tonga · 1171 days ago · 545 km deep · 52 km away
- 4.3289 km NW of Houma, Tonga · 1175 days ago · 576 km deep · 77 km away
- 4.2Fiji region · 1179 days ago · 522 km deep · 51 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000knyt. Read Fri, Oct 2, 2026, 4:59 AM UTC.