M4.5 earthquake 54 km E of ‘Ohonua, Tonga
A magnitude 4.5 earthquake struck 54 km E of ‘Ohonua, Tonga on Tue, Oct 21, 2014, 10:29 AM GMT+13 (21:29 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 122 km ESE 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
- 2014-10-20 21:29:15 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 21.299° S, 174.424° 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 13.8 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- OPERATOR_ASSIGNED
- Station coverage gap
- 161°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.481 km SSE of ‘Ohonua, Tonga · 4345 days ago · 48 km deep · 86 km away
- 4.698 km ENE of Kolonga, Tonga · 4339 days ago · 10 km deep · 64 km away
- 4.281 km E of ‘Ohonua, Tonga · 4336 days ago · 158 km deep · 27 km away
- 4.7122 km ESE of ‘Ohonua, Tonga · 4322 days ago · 10 km deep · 72 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usb000ss4q. Read Mon, Oct 5, 2026, 7:40 AM UTC.