21 Aug 2026, 16:45 UTC · Aug 21, 12:45 PM ET

M4.6 earthquake 131 km W of Pangai, Tonga

A magnitude 4.6 earthquake struck 131 km W of Pangai, Tonga at Aug 21, 12:45 PM ET, 273 km deep, light – felt by most people nearby, rattling windows, rarely damage.

under 33–44–55–66+

Magnitude	4.6 mb
Time	21 Aug 2026, 16:45 UTC
Location	-19.622°, -175.596° – 131 km W of Pangai, Tonga
Depth	272.9 km
Felt reports	0
USGS event	us6000tmlh

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
5.0	112 km WNW of Pangai, Tonga	Sep 1, 6:34 AM 45 d ago	159 km	–
5.0	65 km WSW of Pangai, Tonga	Jul 24, 1:14 PM 84 d ago	49 km	–
5.0	78 km WNW of Pangai, Tonga	Jul 20, 5:11 PM 88 d ago	10 km	–
4.9	75 km NNW of Nuku‘alofa, Tonga	Dec 17, 10:54 PM 303 d ago	173 km	–
4.7	128 km NNW of Houma, Tonga	Jan 3, 1:16 AM 287 d ago	186 km	–
4.6	140 km WNW of Fangale’ounga, Tonga	Jun 6, 1:15 AM 133 d ago	183 km	–
4.6	158 km W of Neiafu, Tonga	May 25, 6:14 PM 144 d ago	222 km	–
4.6	64 km WSW of Pangai, Tonga	Feb 14, 1:44 AM 245 d ago	78 km	–
4.6	131 km W of Pangai, Tonga	Oct 28, 6:22 PM 353 d ago	198 km	–
4.5	83 km WSW of Pangai, Tonga	Aug 1, 10:14 AM 76 d ago	112 km	–
4.5	88 km NNW of Houma, Tonga	Jun 26, 9:45 AM 112 d ago	142 km	–
4.5	109 km WSW of Neiafu, Tonga	Nov 30, 9:49 AM 320 d ago	191 km	–

FAQ

About this earthquake

How strong was the 131 km W of Pangai, Tonga earthquake?

Magnitude 4.6 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 273 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.0.

Earthquakes

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.