M5.3 earthquake 93 km ESE of Neiafu, Tonga
A magnitude 5.3 earthquake struck 93 km ESE of Neiafu, Tonga on Fri, Feb 19, 2021, 5:04 AM GMT+13 (16:04 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
- 5.3 (mww), moderate
- Local time
- UTC
- 2021-02-18 16:04:42 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 19.083° S, 173.220° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 5.3 Mww
- Nodal plane 1
- Strike 193°, dip 41°, rake 80°
- Nodal plane 2
- Strike 26°, dip 50°, rake 98°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 9.0 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 94°
- Stations used
- 57
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.7143 km ESE of Neiafu, Tonga · 2046 days ago · 10 km deep · 50 km away
- 4.617 km SSE of Neiafu, Tonga · 2035 days ago · 44 km deep · 79 km away
- 4.5139 km E of Neiafu, Tonga · 2033 days ago · 10 km deep · 72 km away
- 4.6132 km E of Neiafu, Tonga · 2029 days ago · 10 km deep · 61 km away
- 4.683 km ENE of Neiafu, Tonga · 2018 days ago · 10 km deep · 80 km away
- 4.895 km ENE of Pangai, Tonga · 2017 days ago · 10 km deep · 60 km away
- 4.4179 km SE of Neiafu, Tonga · 2000 days ago · 10 km deep · 86 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dip8 (also filed as iscgem619841658). Read Tue, Sep 29, 2026, 3:31 PM UTC.