20 Sept 2026, 20:54 UTC · Sep 20, 4:54 PM ET · PAGER green

M5.5 earthquake south of Africa

A magnitude 5.5 earthquake struck south of Africa at Sep 20, 4:54 PM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

under 33–44–55–66+

Magnitude	5.5 mww
Time	20 Sept 2026, 20:54 UTC
Location	-48.452°, 31.252° – south of Africa
Depth	10.0 km
Felt reports	0
Max. estimated intensity (MMI)	0.0
PAGER alert	green
USGS event	us7000tit5

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.6	south of Africa	Sep 26, 1:50 PM 20 d ago	10 km	–
4.5	Prince Edward Islands region	Aug 27, 1:30 AM 51 d ago	10 km	–

FAQ

About this earthquake

How strong was the south of Africa earthquake?

Magnitude 5.5 (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?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.6.

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.