M4.3 earthquake 113 km SE of Neiafu, Tonga
A magnitude 4.3 earthquake struck 113 km SE of Neiafu, Tonga on Sat, May 12, 1984, 1:34 PM GMT+13 (00:34 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 39 km NNE 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1984-05-12 00:34:03 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 19.462° S, 173.324° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.9145 km ESE of Neiafu, Tonga · 15484 days ago · 33 km deep · 54 km away
- 5.239 km NNE of Pangai, Tonga · 15436 days ago · 98 km deep · 100 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00024a9. Read Mon, Oct 5, 2026, 3:51 AM UTC.