M4.9 earthquake 134 km SSE of ‘Ohonua, Tonga
A magnitude 4.9 earthquake struck 134 km SSE of ‘Ohonua, Tonga on Mon, Feb 17, 2020, 3:35 AM GMT+13 (14:35 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
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-02-16 14:35:37 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 22.521° S, 174.694° 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 8.2 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 99°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 7 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.349 km S of ‘Ohonua, Tonga · 2416 days ago · 18 km deep · 85 km away
- 4.583 km SSE of ‘Ohonua, Tonga · 2416 days ago · 10 km deep · 63 km away
- 5.662 km SSE of ‘Ohonua, Tonga · 2416 days ago · 10 km deep · 78 km away
- 4.750 km S of ‘Ohonua, Tonga · 2416 days ago · 35 km deep · 88 km away
- 4.7107 km SSE of ‘Ohonua, Tonga · 2414 days ago · 10 km deep · 27 km away
- 4.6210 km S of ‘Ohonua, Tonga · 2405 days ago · 10 km deep · 86 km away
- 4.5139 km S of ‘Ohonua, Tonga · 2389 days ago · 10 km deep · 24 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70007u87. Read Mon, Oct 5, 2026, 1:52 AM UTC.