Tonga earthquakes

M5.0 earthquake 127 km E of Pangai, Tonga

A magnitude 5.0 earthquake struck 127 km E of Pangai, Tonga on Tue, Apr 23, 2019, 5:52 PM GMT+13 (04:52 UTC), 10 km (6 mi) below the surface.

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Map

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

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The earthquake

Magnitude
5.0 (Mww, W-phase moment), moderate
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-04-23 04:52:02 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
20.043° S, 173.159° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
5.0Mww, W-phase momentUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.086 · 13 stations
5.05Mw, momentISC-GEM global catalogFinal · ±0.1

Did you feel it?

No one has reported feeling this quake to the USGS.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Oblique reverse
Moment magnitude
5.0 Mww
Nodal plane 1
Strike 34°, dip 28°, rake 121°
Nodal plane 2
Strike 180°, dip 66°, rake 75°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.6 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
41°
Stations used
108

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.0 and up: 5 in the 60 days after this one and 1 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 us70003aix (also filed as iscgem615413288). Read Sat, Oct 3, 2026, 4:58 PM UTC.