M4.3 earthquake 150 km SSW of Hihifo, Tonga
A magnitude 4.3 earthquake struck 150 km SSW of Hihifo, Tonga on Mon, Mar 9, 2020, 5:54 AM GMT-12 (17:54 UTC), 91 km (57 mi) below the surface.
A larger quake followed: M4.9 133 km NNE of Neiafu, 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
- 2020-03-09 17:54:24 UTC
- Depth
- 91.3 km (56.7 mi), intermediate-depth
- Epicenter
- 17.253° S, 174.224° 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 8.5 km horizontally, 11.9 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 88°
- Stations used
- 11
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.861 km SSW of Hihifo, Tonga · 2388 days ago · 68 km deep · 92 km away
- 4.3122 km SW of Hihifo, Tonga · 2377 days ago · 135 km deep · 72 km away
- 4.876 km SSE of Hihifo, Tonga · 2374 days ago · 77 km deep · 94 km away
- 4.9133 km NNE of Neiafu, Tonga · 2345 days ago · 31 km deep · 64 km away
Before
- 4.5134 km N of Neiafu, Tonga · 2404 days ago · 120 km deep · 22 km away
- 4.5146 km SSW of Hihifo, Tonga · 2405 days ago · 91 km deep · 38 km away
- 4.286 km NNE of Neiafu, Tonga · 2417 days ago · 92 km deep · 86 km away
- 4.7136 km N of Neiafu, Tonga · 2418 days ago · 50 km deep · 33 km away
- 4.693 km NW of Neiafu, Tonga · 2419 days ago · 81 km deep · 94 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60008f4y. Read Wed, Sep 30, 2026, 8:35 PM UTC.