23 Sept 2026, 00:30 UTC · Sep 22, 8:30 PM ET

M4.5 earthquake northern Mid-Atlantic Ridge

A magnitude 4.5 earthquake struck northern Mid-Atlantic Ridge at Sep 22, 8:30 PM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.5 northern Mid-Atlantic RidgeM4.6 northern Mid-Atlantic RidgeM4.6 northern Mid-Atlantic RidgeM4.9 northern Mid-Atlantic RidgeM4.9 northern Mid-Atlantic RidgeM5.2 northern Mid-Atlantic RidgeM5.4 northern Mid-Atlantic Ridge
under 33–44–55–66+
Magnitude4.5 mb
Time23 Sept 2026, 00:30 UTC
Location30.201°, -42.094° – northern Mid-Atlantic Ridge
Depth10.0 km
Felt reports0
USGS eventus6000tyd7
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.4northern Mid-Atlantic Ridge · PAGER greenJul 26, 2:19 PM
82 d ago
10 km–
5.2northern Mid-Atlantic RidgeSep 21, 12:59 PM
390 d ago
10 km–
4.9northern Mid-Atlantic RidgeOct 8, 5:34 PM
8 d ago
10 km–
4.9northern Mid-Atlantic RidgeSep 17, 3:19 PM
29 d ago
10 km–
4.6northern Mid-Atlantic RidgeJun 2, 12:18 AM
137 d ago
10 km–
4.6northern Mid-Atlantic RidgeApr 17, 6:08 PM
182 d ago
10 km–
FAQ

About this earthquake

How strong was the northern Mid-Atlantic Ridge earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 10 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

More

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.

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M4.5 earthquake northern Mid-Atlantic Ridge — 77.today