M5.0 earthquake 115 km SSE of Pangai, Tonga
A magnitude 5.0 earthquake struck 115 km SSE of Pangai, Tonga on Wed, Feb 21, 2018, 6:04 AM GMT+13 (17:04 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-02-20 17:04:58 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.723° S, 173.804° 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 12.7 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- Operator assigned
- Station coverage gap
- 105°
- Stations used
- 88
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000d5g4. Read Sat, Oct 3, 2026, 2:08 AM UTC.