QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Mahopac, NY

No earthquake was likely felt in Mahopac in the 24 hours to 6:59 am EST (11:59 UTC). The last one was M 2.8, 47 km (29 mi) SSW, at 12:11 pm EDT on 5 August 2025, estimated intensity II (weak) in town; 3,546 felt reports to USGS.

M 1.5

Latest: 7:39 pm EST on 1 December 2025 · 21 km (13 mi) SSW of Mahopac, NY

The most recent earthquake near Mahopac was M 1.5, 21 km (13 mi) SSW of Mahopac, NY, at 7:39 pm EST on 1 December 2025, 5 km deep. 26 people reported feeling it to USGS. The estimated shaking in Mahopac was intensity II (weak), felt by some people at rest indoors.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Mahopac in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · since 2016, about one every 4 years
Last 12 months
1 · largest M 1.5 on 1 December 2025
Since 2016
3 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 2.2 on 22 October 2020, 13 km (8 mi) NNW of Mahopac, NY
Reported felt
3 of them have felt reports to USGS

USGS · feed checked · newest earthquake in our database · this page · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses

If you felt one

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.

The last 30 days

Oct 14 Oct 29 Nov 12
Each mark is a day's largest quake within range; its size is the magnitude. Too few days here have any earthquake at all to draw a normal range.

The latest 3

  1. 1.5 21 km (13 mi) SSW of Mahopac, NY · felt by 26
  2. 2.2 13 km (8 mi) NNW of Mahopac, NY · felt by 154
  3. 2.2 12 km (7 mi) W of Mahopac, NY · felt by 327

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Mahopac time. Distances are from the town centre. Quakes USGS named after Mahopac are listed even when they are further out.

Show these earthquakes on your own site: a free card with the latest quakes near Mahopac, for a local news site, school or neighborhood page.

On the map

The white circle is Mahopac; dots are the 3 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Mahopac

The strongest shaking in Mahopac from a quake since 2016 is estimated at intensity II (weak), from the M 2.2 on 7 February 2018, 12 km away. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.

MagnitudeWhenDistanceShaking in Mahopac (est.)
M 2.2 12 kmII · Weak · felt by 327
M 2.2 13 kmII · Weak · felt by 154
M 1.5 21 kmII · Weak · felt by 26

An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. 2 of these reach intensity II or more in town, where people at rest start to notice. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists no earthquake of M5 or more within 50 km of Mahopac.

USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.