M4.3 earthquake 110 km WSW of Hihifo, Tonga
A magnitude 4.3 earthquake struck 110 km WSW of Hihifo, Tonga on Wed, Mar 4, 2020, 1:47 AM GMT-12 (13:47 UTC), 269 km (167 mi) below the surface.
A larger quake followed: M5.0 199 km WSW of Hihifo, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 2020-03-04 13:47:47 UTC
- Depth
- 268.7 km (167.0 mi), intermediate-depth
- Epicenter
- 16.276° S, 174.770° 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 9.4 km horizontally, 9.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 78°
- Stations used
- 22
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
- 4.861 km SSW of Hihifo, Tonga · 2387 days ago · 68 km deep · 76 km away
- 5.0199 km WSW of Hihifo, Tonga · 2383 days ago · 314 km deep · 93 km away
- 4.3122 km SW of Hihifo, Tonga · 2377 days ago · 135 km deep · 53 km away
- 4.2118 km WNW of Hihifo, Tonga · 2360 days ago · 285 km deep · 75 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60008ck0. Read Wed, Sep 30, 2026, 3:15 PM UTC.