M4.3 earthquake 214 km SSW of ‘Ohonua, Tonga
A magnitude 4.3 earthquake struck 214 km SSW of ‘Ohonua, Tonga on Fri, Feb 15, 1985, 11:30 PM GMT+13 (10:30 UTC), 256 km (159 mi) below the surface.
A larger quake followed: M5.4 213 km S 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
- 4.3 (mb), light
- Local time
- UTC
- 1985-02-15 10:30:24 UTC
- Depth
- 256.3 km (159.3 mi), intermediate-depth
- Epicenter
- 23.084° S, 175.847° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.4213 km S of ‘Ohonua, Tonga · 15193 days ago · 42 km deep · 87 km away
- 4.9248 km S of ‘Ohonua, Tonga · 15193 days ago · 33 km deep · 78 km away
- 5.0191 km S of ‘Ohonua, Tonga · 15193 days ago · 43 km deep · 65 km away
- 5.5206 km S of ‘Ohonua, Tonga · 15193 days ago · 42 km deep · 76 km away
- 4.9227 km S of ‘Ohonua, Tonga · 15192 days ago · 39 km deep · 76 km away
- 5.5248 km SW of Vaini, Tonga · 15190 days ago · 146 km deep · 88 km away
- 4.5150 km SW of ‘Ohonua, Tonga · 15182 days ago · 33 km deep · 72 km away
- 4.9245 km S of ‘Ohonua, Tonga · 15154 days ago · 33 km deep · 74 km away
- 4.6235 km S of ‘Ohonua, Tonga · 15150 days ago · 33 km deep · 80 km away
- 4.2214 km SW of Vaini, Tonga · 15149 days ago · 216 km deep · 94 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002bxg. Read Tue, Sep 22, 2026, 4:10 PM UTC.