23 Sept 2025, 19:56 UTC · Sep 23, 3:56 PM ET

M4.5 earthquake 166 km SSW of Hihifo, Tonga

A magnitude 4.5 earthquake struck 166 km SSW of Hihifo, Tonga at Sep 23, 3:56 PM ET, 207 km deep, light – felt by most people nearby, rattling windows, rarely damage.

under 33–44–55–66+

Magnitude	4.5 mb
Time	23 Sept 2025, 19:56 UTC
Location	-17.208°, -174.659° – 166 km SSW of Hihifo, Tonga
Depth	206.5 km
Felt reports	0
USGS event	us6000rcdy

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
5.6	156 km SW of Hihifo, Tonga · PAGER green	Jul 1, 5:13 PM 107 d ago	259 km	1 report
5.0	153 km N of Neiafu, Tonga	May 26, 3:25 PM 143 d ago	119 km	1 report
4.8	167 km SW of Hihifo, Tonga	Jun 20, 12:59 PM 118 d ago	281 km	–
4.8	118 km NW of Neiafu, Tonga	Apr 28, 10:31 PM 171 d ago	190 km	–
4.7	114 km NW of Neiafu, Tonga	Nov 30, 9:54 PM 320 d ago	10 km	–
4.6	93 km NNW of Neiafu, Tonga	Jul 6, 4:07 AM 103 d ago	116 km	–
4.6	130 km SSW of Hihifo, Tonga	Dec 28, 1:03 PM 292 d ago	121 km	–
4.6	147 km NNW of Neiafu, Tonga	Nov 28, 12:48 PM 322 d ago	104 km	–
4.5	145 km S of Hihifo, Tonga	Apr 28, 11:19 PM 171 d ago	122 km	–
4.5	195 km NW of Neiafu, Tonga	Feb 14, 2:32 AM 245 d ago	260 km	–
4.5	93 km NW of Neiafu, Tonga	Jan 27, 7:43 AM 262 d ago	175 km	–
4.5	151 km NNW of Neiafu, Tonga	Jan 16, 9:51 AM 273 d ago	10 km	–

FAQ

About this earthquake

How strong was the 166 km SSW of Hihifo, Tonga earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 207 km.

Was it felt?

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

Were there aftershocks?

No earthquakes within 100 km have followed so far in our records.

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.