M4.5 earthquake 246 km W of Hihifo, Tonga
A magnitude 4.5 earthquake struck 246 km W of Hihifo, Tonga on Sun, Mar 1, 2020, 10:10 AM GMT-12 (22:10 UTC), 361 km (225 mi) below the surface.
A larger quake followed: M4.9 212 km ESE of Alo, Wallis and Futuna. 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), light
- Local time
- UTC
- 2020-03-01 22:10:51 UTC
- Depth
- 361.4 km (224.6 mi), deep
- Epicenter
- 16.101° S, 176.097° 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 10.4 km horizontally, 5.6 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 40°
- Stations used
- 160
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3203 km W of Hihifo, Tonga · 2390 days ago · 301 km deep · 59 km away
- 4.9212 km ESE of Alo, Wallis and Futuna · 2361 days ago · 10 km deep · 94 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us600087jr. Read Wed, Sep 30, 2026, 10:23 PM UTC.