M4.7 earthquake 148 km WNW of Pangai, Tonga
A magnitude 4.7 earthquake struck 148 km WNW of Pangai, Tonga on Wed, Mar 7, 2018, 2:50 PM GMT+13 (01:50 UTC), 201 km (125 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
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-03-07 01:50:18 UTC
- Depth
- 201.4 km (125.2 mi), intermediate-depth
- Epicenter
- 19.169° S, 175.599° 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 10.9 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 82°
- Stations used
- 58
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.8130 km W of Pangai, Tonga · 3129 days ago · 173 km deep · 73 km away
- 4.6143 km W of Neiafu, Tonga · 3105 days ago · 195 km deep · 44 km away
- 4.3150 km NW of Pangai, Tonga · 3093 days ago · 244 km deep · 35 km away
- 4.2139 km WNW of Pangai, Tonga · 3086 days ago · 263 km deep · 9 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ddkv. Read Thu, Oct 1, 2026, 10:16 PM UTC.