M4.5 earthquake 83 km SSE of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 83 km SSE of ‘Ohonua, Tonga on Sun, Feb 23, 2020, 8:28 AM GMT+13 (19:28 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.6 62 km SSE of ‘Ohonua, Tonga. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-02-22 19:28:38 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.977° S, 174.527° 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 9.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- Operator assigned
- Station coverage gap
- 115°
- Stations used
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 5.662 km SSE of ‘Ohonua, Tonga · 2415 days ago · 10 km deep · 22 km away
- 4.750 km S of ‘Ohonua, Tonga · 2415 days ago · 35 km deep · 55 km away
- 4.7107 km SSE of ‘Ohonua, Tonga · 2413 days ago · 10 km deep · 40 km away
- 4.4117 km E of ‘Ohonua, Tonga · 2406 days ago · 10 km deep · 86 km away
- 4.5139 km S of ‘Ohonua, Tonga · 2388 days ago · 10 km deep · 80 km away
Before
- 5.349 km S of ‘Ohonua, Tonga · 2415 days ago · 18 km deep · 43 km away
- 4.9134 km SSE of ‘Ohonua, Tonga · 2421 days ago · 10 km deep · 63 km away
- 4.4173 km SSE of ‘Ohonua, Tonga · 2421 days ago · 10 km deep · 93 km away
- 5.2131 km S of ‘Ohonua, Tonga · 2426 days ago · 10 km deep · 62 km away
- 5.0161 km SSE of ‘Ohonua, Tonga · 2437 days ago · 10 km deep · 84 km away
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us600085ay. Read Sat, Oct 3, 2026, 6:15 PM UTC.