M4.5 earthquake 195 km NW of Neiafu, Tonga
A magnitude 4.5 earthquake struck 195 km NW of Neiafu, Tonga on Fri, May 2, 1986, 7:38 AM GMT-12 (19:38 UTC), 243 km (151 mi) below the surface.
A larger quake followed: M4.7 114 km NW of Neiafu, 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), light
- Local time
- UTC
- 1986-05-02 19:38:39 UTC
- Depth
- 243.0 km (151.0 mi), intermediate-depth
- Epicenter
- 17.283° S, 175.150° 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
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.7114 km NW of Neiafu, Tonga · 14723 days ago · 33 km deep · 82 km away
- 4.7102 km NW of Neiafu, Tonga · 14722 days ago · 33 km deep · 93 km away
- 4.9115 km NNW of Neiafu, Tonga · 14697 days ago · 33 km deep · 83 km away
Before
Earthquakes todayTonga earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002tf0. Read Tue, Sep 22, 2026, 7:43 AM UTC.