Tonga earthquakes

M4.6 earthquake 198 km ENE of Neiafu, Tonga

A magnitude 4.6 earthquake struck 198 km ENE of Neiafu, Tonga on Sat, Oct 19, 2019, 1:28 AM GMT-11 (12:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.5 176 km NE of Neiafu, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.6 (mb), light
Local time
UTC
2019-10-19 12:28:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
18.300° S, 172.139° 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 5.2 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
106°
Stations used
20

Nearby

Within 100 km, magnitude 1.6 and up: 17 in the 60 days after this one and 22 in the 30 days before it.

After

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600062ah. Read Wed, Sep 30, 2026, 9:01 PM UTC.