M4.5 earthquake 185 km NW of Nuku‘alofa, Tonga
A magnitude 4.5 earthquake struck 185 km NW of Nuku‘alofa, Tonga on Mon, Mar 22, 2021, 11:13 AM GMT+13 (22:13 UTC), 236 km (147 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2021-03-21 22:13:42 UTC
- Depth
- 236.1 km (146.7 mi), intermediate-depth
- Epicenter
- 19.924° S, 176.432° 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, 9.8 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 143°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.4193 km WNW of Haveluloto, Tonga · 2007 days ago · 505 km deep · 81 km away
- 4.1Fiji region · 2004 days ago · 275 km deep · 65 km away
- 4.2247 km NW of Haveluloto, Tonga · 1964 days ago · 341 km deep · 79 km away
- 4.2231 km WNW of Haveluloto, Tonga · 1960 days ago · 514 km deep · 100 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000dlhs. Read Tue, Sep 29, 2026, 10:28 PM UTC.