M4.5 earthquake 145 km N of Neiafu, Tonga
A magnitude 4.5 earthquake struck 145 km N of Neiafu, Tonga on Sun, Sep 6, 2020, 5:42 PM GMT-12 (05:42 UTC), 74 km (46 mi) below the surface.
A larger quake followed: M4.8 148 km N 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
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-07 05:42:43 UTC
- Depth
- 74.4 km (46.2 mi), intermediate-depth
- Epicenter
- 17.340° S, 173.996° 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 10.6 km horizontally, 9.1 km in depth
- Magnitude uncertainty
- ±0.22
- Depth from
- From location
- Station coverage gap
- 110°
- Stations used
- 15
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.4143 km SSW of Hihifo, Tonga · 2205 days ago · 131 km deep · 36 km away
- 4.2144 km NE of Neiafu, Tonga · 2203 days ago · 31 km deep · 88 km away
- 4.462 km SSW of Hihifo, Tonga · 2200 days ago · 77 km deep · 99 km away
- 4.4138 km SW of Hihifo, Tonga · 2198 days ago · 213 km deep · 80 km away
- 4.770 km S of Hihifo, Tonga · 2180 days ago · 49 km deep · 90 km away
- 4.8148 km N of Neiafu, Tonga · 2177 days ago · 54 km deep · 15 km away
- 4.1111 km SSE of Hihifo, Tonga · 2175 days ago · 76 km deep · 71 km away
- 4.665 km S of Hihifo, Tonga · 2170 days ago · 70 km deep · 93 km away
- 4.2106 km SSW of Hihifo, Tonga · 2166 days ago · 141 km deep · 51 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000blsi. Read Thu, Oct 1, 2026, 6:55 AM UTC.