M4.3 earthquake 122 km SW of Hihifo, Tonga
A magnitude 4.3 earthquake struck 122 km SW of Hihifo, Tonga on Sat, Mar 28, 2020, 7:28 AM GMT-12 (19:28 UTC), 135 km (84 mi) below the surface.
A larger quake followed: M4.4 212 km SW 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-03-28 19:28:49 UTC
- Depth
- 135.3 km (84.1 mi), intermediate-depth
- Epicenter
- 16.729° S, 174.615° 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 8.1 km horizontally, 8.7 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 74°
- Stations used
- 16
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 6 in the 30 days before it.
After
Before
- 5.0199 km WSW of Hihifo, Tonga · 2384 days ago · 314 km deep · 89 km away
- 4.861 km SSW of Hihifo, Tonga · 2388 days ago · 68 km deep · 65 km away
- 4.3150 km SSW of Hihifo, Tonga · 2397 days ago · 91 km deep · 72 km away
- 4.3110 km WSW of Hihifo, Tonga · 2402 days ago · 269 km deep · 53 km away
- 4.5134 km N of Neiafu, Tonga · 2405 days ago · 120 km deep · 92 km away
- 4.5146 km SSW of Hihifo, Tonga · 2406 days ago · 91 km deep · 39 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70008kmp. Read Thu, Oct 1, 2026, 3:24 PM UTC.