M4.3 earthquake 180 km NW of Neiafu, Tonga
A magnitude 4.3 earthquake struck 180 km NW of Neiafu, Tonga on Sun, Jul 19, 2020, 4:16 PM GMT-12 (04:16 UTC), 262 km (163 mi) below the surface.
A larger quake followed: M5.2 148 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-07-20 04:16:25 UTC
- Depth
- 262.1 km (162.9 mi), intermediate-depth
- Epicenter
- 17.345° S, 175.002° 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 7.7 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 87°
- Stations used
- 53
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.2148 km N of Neiafu, Tonga · 2250 days ago · 92 km deep · 80 km away
- 4.5141 km SSW of Hihifo, Tonga · 2250 days ago · 151 km deep · 73 km away
- 4.8145 km WNW of Neiafu, Tonga · 2218 days ago · 230 km deep · 79 km away
- 4.493 km NW of Neiafu, Tonga · 2216 days ago · 90 km deep · 88 km away
- 4.4184 km NW of Neiafu, Tonga · 2208 days ago · 146 km deep · 46 km away
- 4.4143 km SSW of Hihifo, Tonga · 2205 days ago · 131 km deep · 79 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000arfn. Read Thu, Oct 1, 2026, 2:38 AM UTC.