27 Oct 2025, 21:17 UTC · Oct 27, 5:17 PM ET

M2.5 earthquake 4 km E of Riverside, Maryland

A magnitude 2.5 earthquake struck 4 km E of Riverside, Maryland at Oct 27, 5:17 PM ET, 8 km deep, micro – recorded by instruments, rarely felt. 1,228 people reported feeling it.

under 33–44–55–66+

Magnitude	2.5 mb_lg
Time	27 Oct 2025, 21:17 UTC
Location	39.181°, -76.833° – 4 km E of Riverside, Maryland
Depth	8.5 km
Felt reports	1228
USGS event	us6000rjt7

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
2.4	8 km NE of Bel Air North, Maryland	Jun 15, 11:02 AM 123 d ago	5 km	398 reports
2.1	2 km W of Rising Sun, Maryland	Sep 9, 12:41 AM 38 d ago	6 km	72 reports
1.7	3 km S of Rising Sun, Maryland	Sep 9, 5:54 AM 37 d ago	5 km	–

FAQ

About this earthquake

How strong was the 4 km E of Riverside, Maryland earthquake?

Magnitude 2.5 (mb_lg), micro – recorded by instruments, rarely felt. Depth 8 km.

Was it felt?

1,228 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.8.

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.