M4.5 earthquake 146 km SSW of Hihifo, Tonga
A magnitude 4.5 earthquake struck 146 km SSW of Hihifo, Tonga on Sat, Feb 29, 2020, 5:14 AM GMT-12 (17:14 UTC), 91 km (56 mi) below the surface.
A larger quake followed: M4.8 61 km SSW 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-02-29 17:14:29 UTC
- Depth
- 90.6 km (56.3 mi), intermediate-depth
- Epicenter
- 17.073° S, 174.524° 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 8.6 km horizontally, 11.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 111°
- Stations used
- 21
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.5134 km N of Neiafu, Tonga · 2404 days ago · 120 km deep · 56 km away
- 4.3110 km WSW of Hihifo, Tonga · 2402 days ago · 269 km deep · 92 km away
- 4.3150 km SSW of Hihifo, Tonga · 2396 days ago · 91 km deep · 38 km away
- 4.861 km SSW of Hihifo, Tonga · 2388 days ago · 68 km deep · 85 km away
- 4.3122 km SW of Hihifo, Tonga · 2377 days ago · 135 km deep · 39 km away
- 4.4212 km SW of Hihifo, Tonga · 2353 days ago · 308 km deep · 87 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60008adh. Read Thu, Oct 1, 2026, 3:25 AM UTC.