M4.6 earthquake 118 km E of ‘Ohonua, Tonga
A magnitude 4.6 earthquake struck 118 km E of ‘Ohonua, Tonga on Wed, Apr 20, 2022, 3:08 AM GMT+13 (14:08 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.9 107 km SSE 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
- 4.6 (mb), light
- Local time
- UTC
- 2022-04-19 14:08:52 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.465° S, 173.814° 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 5.6 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- Operator assigned
- Station coverage gap
- 42°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.9107 km SSE of Pangai, Tonga · 1591 days ago · 10 km deep · 84 km away
- 4.9162 km ESE of ‘Ohonua, Tonga · 1584 days ago · 10 km deep · 47 km away
- 4.625 km E of ‘Ohonua, Tonga · 1581 days ago · 36 km deep · 94 km away
- 4.4124 km ESE of ‘Ohonua, Tonga · 1574 days ago · 10 km deep · 28 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000hfma. Read Wed, Sep 30, 2026, 8:39 PM UTC.