M4.0 earthquake 187 km NW of Neiafu, Tonga
A magnitude 4.0 earthquake struck 187 km NW of Neiafu, Tonga on Sun, Dec 8, 2019, 5:19 PM GMT-12 (05:19 UTC), 243 km (151 mi) below the surface.
A larger quake followed: M4.9 128 km NW 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-12-09 05:19:47 UTC
- Depth
- 243.1 km (151.1 mi), intermediate-depth
- Epicenter
- 17.314° S, 175.079° 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 13.9 km horizontally, 2.3 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 15
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.6120 km WNW of Neiafu, Tonga · 2478 days ago · 139 km deep · 87 km away
- 4.9128 km NW of Neiafu, Tonga · 2476 days ago · 155 km deep · 60 km away
- 4.4133 km N of Neiafu, Tonga · 2475 days ago · 85 km deep · 98 km away
- 4.8154 km NNW of Neiafu, Tonga · 2473 days ago · 144 km deep · 73 km away
- 4.2Tonga · 2461 days ago · 260 km deep · 96 km away
- 4.5175 km NW of Neiafu, Tonga · 2449 days ago · 248 km deep · 34 km away
- 4.794 km NW of Neiafu, Tonga · 2449 days ago · 10 km deep · 94 km away
- 4.7134 km NW of Neiafu, Tonga · 2438 days ago · 10 km deep · 54 km away
- 4.8155 km NW of Neiafu, Tonga · 2438 days ago · 10 km deep · 44 km away
- 4.9109 km NW of Neiafu, Tonga · 2431 days ago · 92 km deep · 79 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60006t7i. Read Thu, Oct 1, 2026, 7:52 AM UTC.