M4.3 earthquake 287 km WNW of Houma, Tonga
A magnitude 4.3 earthquake struck 287 km WNW of Houma, Tonga on Sun, Mar 22, 2026, 4:39 AM GMT+13 (15:39 UTC), 515 km (320 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-03-21 15:39:57 UTC
- Depth
- 514.9 km (319.9 mi), deep
- Epicenter
- 20.396° S, 177.940° 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 17.8 km horizontally, 8.2 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 208°, poorly surrounded by stations
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 17 in the 30 days before it.
After
- 4.3266 km W of Houma, Tonga · 196 days ago · 416 km deep · 93 km away
- 4.1Fiji region · 195 days ago · 517 km deep · 74 km away
- 4.2Fiji region · 192 days ago · 617 km deep · 77 km away
- 4.2Fiji region · 187 days ago · 546 km deep · 30 km away
- 4.5291 km WNW of Houma, Tonga · 186 days ago · 520 km deep · 10 km away
- 4.7289 km WNW of Houma, Tonga · 186 days ago · 548 km deep · 25 km away
- 4.6247 km WNW of Houma, Tonga · 185 days ago · 544 km deep · 60 km away
- 4.2Fiji region · 180 days ago · 534 km deep · 30 km away
- 4.1Fiji region · 177 days ago · 567 km deep · 79 km away
- 4.9Fiji region · 177 days ago · 531 km deep · 34 km away
- 4.0272 km WNW of Houma, Tonga · 172 days ago · 550 km deep · 16 km away
- 4.6289 km WNW of Houma, Tonga · 171 days ago · 546 km deep · 7 km away
- 4.0281 km WNW of Houma, Tonga · 170 days ago · 509 km deep · 14 km away
- 4.1Fiji region · 162 days ago · 550 km deep · 47 km away
- 4.1266 km WNW of Houma, Tonga · 159 days ago · 533 km deep · 41 km away
- 4.5293 km W of Houma, Tonga · 155 days ago · 504 km deep · 50 km away
- 4.4267 km WNW of Houma, Tonga · 150 days ago · 478 km deep · 26 km away
- 4.1Fiji region · 147 days ago · 535 km deep · 32 km away
- 4.3Fiji region · 142 days ago · 597 km deep · 60 km away
- 4.4Fiji region · 136 days ago · 594 km deep · 82 km away
Before
- 4.8Fiji region · 197 days ago · 575 km deep · 58 km away
- 4.4285 km WNW of Houma, Tonga · 198 days ago · 498 km deep · 31 km away
- 4.1281 km WNW of Houma, Tonga · 199 days ago · 553 km deep · 29 km away
- 4.2282 km WNW of Houma, Tonga · 201 days ago · 541 km deep · 53 km away
- 4.3256 km WNW of Houma, Tonga · 203 days ago · 518 km deep · 36 km away
- 4.4263 km WNW of Houma, Tonga · 208 days ago · 529 km deep · 44 km away
- 4.7259 km WNW of Houma, Tonga · 208 days ago · 552 km deep · 48 km away
- 4.3268 km WNW of Houma, Tonga · 217 days ago · 539 km deep · 54 km away
- 4.4Fiji region · 217 days ago · 551 km deep · 96 km away
- 4.1294 km WNW of Houma, Tonga · 218 days ago · 561 km deep · 37 km away
- 4.4273 km WNW of Houma, Tonga · 218 days ago · 503 km deep · 25 km away
- 4.2Fiji region · 219 days ago · 509 km deep · 88 km away
- 4.1293 km NW of Houma, Tonga · 219 days ago · 567 km deep · 82 km away
- 4.1290 km WNW of Houma, Tonga · 219 days ago · 508 km deep · 17 km away
- 4.7243 km WNW of Houma, Tonga · 222 days ago · 378 km deep · 59 km away
- 4.3272 km WNW of Houma, Tonga · 224 days ago · 10 km deep · 77 km away
- 4.6Fiji region · 226 days ago · 585 km deep · 77 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000s94e. Read Sat, Oct 3, 2026, 8:25 PM UTC.