M4.3 earthquake 77 km ESE of Hihifo, Tonga
A magnitude 4.3 earthquake struck 77 km ESE of Hihifo, Tonga on Sun, Sep 20, 2020, 5:27 PM GMT+13 (04:27 UTC), 13 km (8 mi) below the surface.
A larger quake followed: M5.9 76 km NNE 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
- 2020-09-20 04:27:09 UTC
- Depth
- 12.9 km (8.0 mi), shallow
- Epicenter
- 16.146° S, 173.102° 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, 4.0 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 93°
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.770 km S of Hihifo, Tonga · 2179 days ago · 49 km deep · 80 km away
- 4.1111 km SSE of Hihifo, Tonga · 2175 days ago · 76 km deep · 96 km away
- 4.665 km S of Hihifo, Tonga · 2170 days ago · 70 km deep · 80 km away
- 5.976 km NNE of Hihifo, Tonga · 2166 days ago · 39 km deep · 94 km away · felt by 9
- 4.783 km NE of Hihifo, Tonga · 2166 days ago · 35 km deep · 84 km away
- 4.3109 km SSE of Hihifo, Tonga · 2149 days ago · 32 km deep · 74 km away
- 4.917 km ENE of Hihifo, Tonga · 2145 days ago · 10 km deep · 64 km away
- 4.699 km SE of Hihifo, Tonga · 2143 days ago · 22 km deep · 45 km away
Before
- 4.7109 km NE of Hihifo, Tonga · 2207 days ago · 10 km deep · 90 km away
- 4.485 km SE of Hihifo, Tonga · 2210 days ago · 79 km deep · 49 km away
- 4.181 km NE of Hihifo, Tonga · 2216 days ago · 10 km deep · 92 km away
- 4.546 km SSW of Hihifo, Tonga · 2218 days ago · 59 km deep · 99 km away
- 4.570 km ESE of Hihifo, Tonga · 2228 days ago · 10 km deep · 9 km away
- 4.686 km ESE of Hihifo, Tonga · 2229 days ago · 10 km deep · 10 km away
- 4.771 km ESE of Hihifo, Tonga · 2230 days ago · 10 km deep · 7 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c0lj. Read Wed, Sep 30, 2026, 10:22 PM UTC.