27 Jul 2026, 08:44 UTC · Jul 27, 4:44 AM ET

M5.4 earthquake south of Tonga

A magnitude 5.4 earthquake struck south of Tonga at Jul 27, 4:44 AM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

under 33–44–55–66+

Magnitude	5.4 mww
Time	27 Jul 2026, 08:44 UTC
Location	-24.652°, -175.253° – south of Tonga
Depth	10.0 km
Felt reports	0
Max. estimated intensity (MMI)	0.0
USGS event	us7000t3m5

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
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	–
5.1	south of Tonga	Jul 26, 9:54 PM 82 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 5.4 (mww), 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?

8 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.3.

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.