M4.6 earthquake 118 km WNW of Pangai, Tonga
A magnitude 4.6 earthquake struck 118 km WNW of Pangai, Tonga on Tue, Feb 6, 2018, 5:07 AM GMT+13 (16:07 UTC), 139 km (86 mi) below the surface.
A larger quake followed: M4.8 130 km W of Pangai, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-05 16:07:08 UTC
- Depth
- 139.0 km (86.4 mi), intermediate-depth
- Epicenter
- 19.382° S, 175.390° 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 9.5 km horizontally, 7.4 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 80°
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.4155 km NW of Pangai, Tonga · 3153 days ago · 193 km deep · 54 km away
- 4.3155 km NW of Pangai, Tonga · 3135 days ago · 283 km deep · 48 km away
- 4.7148 km WNW of Pangai, Tonga · 3131 days ago · 201 km deep · 32 km away
- 4.8130 km W of Pangai, Tonga · 3128 days ago · 173 km deep · 54 km away
- 4.6143 km W of Neiafu, Tonga · 3105 days ago · 195 km deep · 56 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000cg3l. Read Thu, Oct 1, 2026, 5:02 PM UTC.