QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Greenfields, PA

No earthquake was likely felt in Greenfields in the 24 hours to 8:32 am EST (13:32 UTC). The last one was M 1.9, 6 km (4 mi) SSW, at 4:36 pm EDT on 19 April 2024, estimated intensity II (weak) in town; 59 felt reports to USGS.

M 1.9

Latest: 4:36 pm EDT on 19 April 2024 · 6 km (4 mi) SSW of Greenfields, PA

The most recent earthquake near Greenfields was M 1.9, 6 km (4 mi) SSW of Greenfields, PA, at 4:36 pm EDT on 19 April 2024, 3 km deep. 59 people reported feeling it to USGS. The estimated shaking in Greenfields 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 Greenfields in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · since 2016, about one every 16 months
Last 12 months
0
Since 2016
8 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 2.2 on 19 July 2019, 7 km (4 mi) WNW of Greenfields, PA
Reported felt
8 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 13 Oct 28 Nov 11
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 8

  1. 1.9 6 km (4 mi) SSW of Greenfields, PA · felt by 59
  2. 2.1 9 km (5 mi) WSW of Greenfields, PA · felt by 180
  3. 1.5 10 km (6 mi) WNW of Greenfields, PA · felt by 35
  4. 1.7 9 km (5 mi) WSW of Greenfields, PA · felt by 34
  5. 2.2 7 km (4 mi) WNW of Greenfields, PA · felt by 362
  6. 1.6 10 km (6 mi) WNW of Greenfields, PA · felt by 4
  7. 1.7 4 km (2 mi) WNW of Greenfields, PA · felt by 45
  8. 1.9 3 km (2 mi) WSW of Greenfields, PA · felt by 26

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 Greenfields time. Distances are from the town centre. Quakes USGS named after Greenfields are listed even when they are further out.

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

On the map

The white circle is Greenfields; dots are the 8 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Estimated shaking in Greenfields

The strongest shaking in Greenfields from a quake since 2016 is estimated at intensity II (weak), from the M 2.2 on 19 July 2019, 7 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 Greenfields (est.)
M 2.2 7 kmII · Weak · felt by 362
M 2.1 9 kmII · Weak · felt by 180
M 1.9 3 kmII · Weak · felt by 26
M 1.9 6 kmII · Weak · felt by 59
M 1.7 4 kmII · Weak · felt by 45

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. All 5 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 Greenfields.

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.