Tonga earthquakes

M4.6 earthquake 221 km WSW of Hihifo, Tonga

A magnitude 4.6 earthquake struck 221 km WSW of Hihifo, Tonga on Fri, Nov 28, 1986, 5:40 PM GMT-12 (05:40 UTC), 33 km (21 mi) below the surface.

More in Tonga

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1986-11-29 05:40:55 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
16.888° S, 175.626° 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

Nearby

Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 1 in the 30 days before it.

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00030fr. Read Thu, Oct 1, 2026, 3:59 AM UTC.