27 Jul 2026, 01:54 UTC · Jul 26, 9:54 PM ET

M5.1 earthquake south of Tonga

A magnitude 5.1 earthquake struck south of Tonga at Jul 26, 9:54 PM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

under 33–44–55–66+

Magnitude	5.1 mb
Time	27 Jul 2026, 01:54 UTC
Location	-24.503°, -175.126° – south of Tonga
Depth	10.0 km
Felt reports	0
USGS event	us7000t3km

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
5.4	south of Tonga	Jul 27, 4:44 AM 82 d ago	10 km	–
5.3	south of Tonga	Jul 27, 4:47 AM 82 d ago	10 km	–
5.2	south of Tonga	Jul 26, 11:36 PM 82 d ago	10 km	–
5.2	298 km S of ‘Ohonua, Tonga	Oct 2, 10:43 PM 379 d ago	10 km	–
5.1	south of Tonga	Aug 21, 4:12 AM 57 d ago	10 km	–
5.1	south of Tonga	Jul 29, 4:52 PM 79 d ago	10 km	–
5.1	south of Tonga	Jul 28, 11:52 PM 80 d ago	10 km	–
5.1	south of Tonga	Jul 27, 7:12 PM 81 d ago	10 km	–
5.0	south of Tonga	Aug 4, 10:56 AM 73 d ago	10 km	–
5.0	south of Tonga	Aug 2, 11:35 AM 75 d ago	10 km	–
5.0	south of Tonga	Jul 29, 4:53 PM 79 d ago	10 km	–
5.0	south of Tonga	Jul 29, 1:07 PM 79 d ago	10 km	–

FAQ

About this earthquake

How strong was the south of Tonga earthquake?

Magnitude 5.1 (mb), moderate – felt widely, some damage to weak buildings. Depth 10 km.

Was it felt?

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

Were there aftershocks?

10 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.4.

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.