M4.5 earthquake 265 km WNW of Houma, Tonga
A magnitude 4.5 earthquake struck 265 km WNW of Houma, Tonga on Thu, Aug 17, 2023, 3:55 AM GMT+13 (14:55 UTC), 493 km (306 mi) below the surface.
A larger quake followed: M4.7 250 km WNW of Houma, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-08-16 14:55:17 UTC
- Depth
- 492.5 km (306.0 mi), deep
- Epicenter
- 20.316° S, 177.680° 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 13.8 km horizontally, 8.8 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 48°
- Stations used
- 44
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 11 in the 30 days before it.
After
- 4.5270 km WNW of Houma, Tonga · 1140 days ago · 533 km deep · 38 km away
- 4.3Fiji region · 1139 days ago · 588 km deep · 85 km away
- 4.3262 km WNW of Houma, Tonga · 1138 days ago · 376 km deep · 56 km away · felt by 1
- 4.3241 km WNW of Houma, Tonga · 1138 days ago · 504 km deep · 26 km away
- 4.4Fiji region · 1136 days ago · 602 km deep · 67 km away
- 4.3Fiji region · 1135 days ago · 541 km deep · 79 km away
- 4.5259 km WNW of Houma, Tonga · 1130 days ago · 529 km deep · 12 km away
- 4.0283 km WNW of Houma, Tonga · 1130 days ago · 516 km deep · 19 km away
- 4.0289 km WNW of Houma, Tonga · 1128 days ago · 540 km deep · 54 km away
- 4.2Fiji region · 1122 days ago · 531 km deep · 52 km away
- 4.4Fiji region · 1121 days ago · 527 km deep · 48 km away
- 4.1287 km NW of Houma, Tonga · 1120 days ago · 552 km deep · 80 km away
- 4.5286 km WNW of Houma, Tonga · 1119 days ago · 494 km deep · 23 km away
- 4.2Fiji region · 1119 days ago · 525 km deep · 92 km away
- 4.0299 km WNW of Houma, Tonga · 1118 days ago · 559 km deep · 39 km away
- 4.3Fiji region · 1112 days ago · 600 km deep · 86 km away
- 4.0284 km WNW of Houma, Tonga · 1112 days ago · 509 km deep · 37 km away
- 4.4280 km WNW of Houma, Tonga · 1111 days ago · 496 km deep · 37 km away
- 4.4Fiji region · 1110 days ago · 567 km deep · 99 km away
- 4.5Fiji region · 1108 days ago · 542 km deep · 83 km away
- 4.5257 km WNW of Houma, Tonga · 1103 days ago · 527 km deep · 38 km away
- 4.3Fiji region · 1103 days ago · 598 km deep · 76 km away
- 4.3297 km W of Houma, Tonga · 1099 days ago · 623 km deep · 70 km away
- 4.3273 km WNW of Houma, Tonga · 1096 days ago · 507 km deep · 9 km away
- 4.7250 km WNW of Houma, Tonga · 1094 days ago · 503 km deep · 25 km away
- 4.2297 km WNW of Houma, Tonga · 1091 days ago · 564 km deep · 36 km away
- 4.7261 km WNW of Houma, Tonga · 1089 days ago · 500 km deep · 12 km away
- 4.3256 km WNW of Houma, Tonga · 1086 days ago · 541 km deep · 34 km away
Before
- 4.0283 km WNW of Houma, Tonga · 1144 days ago · 502 km deep · 29 km away
- 4.2282 km WNW of Houma, Tonga · 1146 days ago · 528 km deep · 27 km away
- 4.3268 km WNW of Houma, Tonga · 1146 days ago · 529 km deep · 4 km away
- 4.2Fiji region · 1147 days ago · 539 km deep · 56 km away
- 4.4Fiji region · 1147 days ago · 250 km deep · 99 km away
- 4.4296 km WNW of Houma, Tonga · 1148 days ago · 536 km deep · 32 km away
- 4.1264 km WNW of Houma, Tonga · 1150 days ago · 557 km deep · 25 km away
- 4.1294 km W of Houma, Tonga · 1152 days ago · 573 km deep · 89 km away
- 4.1Fiji region · 1153 days ago · 420 km deep · 66 km away
- 4.4Fiji region · 1159 days ago · 394 km deep · 9 km away
- 4.1292 km NW of Houma, Tonga · 1171 days ago · 545 km deep · 75 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000knrt. Read Fri, Oct 2, 2026, 4:36 AM UTC.