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Williamsport, PA Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Williamsport is about the same as Pennsylvania average and is much lower than the national average. The risk of tornado damage in Williamsport is lower than Pennsylvania average and is lower than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #1468

Williamsport, PA
0.02
Pennsylvania
0.17
U.S.
1.81

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

Volcano Index, #1

Williamsport, PA
0.0000
Pennsylvania
0.0000
U.S.
0.0023

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

Tornado Index, #1515

Williamsport, PA
95.08
Pennsylvania
109.77
U.S.
136.45

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 2,480 other weather extremes events within 50 miles of Williamsport, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:3Cold:29Dense Fog:17Drought:51
Dust Storm:0Flood:308Hail:339Heat:85Heavy Snow:71
High Surf:0Hurricane:0Ice Storm:17Landslide:0Strong Wind:86
Thunderstorm Winds:1,281Tropical Storm:1Wildfire:1Winter Storm:50Winter Weather:51
Other:90 

Volcanos Nearby

No volcano is found in or near Williamsport, PA.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Williamsport, PA.

No historical earthquake events found in or near Williamsport, PA.

Historical Tornado Events

A total of 17 historical tornado events that had recorded magnitude of 2 or above found in or near Williamsport, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
1.71976-07-29341°12'N / 77°16'W41°14'N / 76°47'W25.00 Miles150 Yards002.5M0Lycoming
5.81985-05-31341°11'N / 77°09'W41°08'N / 76°58'W11.00 Miles910 Yards22025.0M0Lycoming
6.11966-08-16241°18'N / 77°00'W41°18'N / 76°54'W4.50 Miles100 Yards0125K0Lycoming
8.41985-05-31341°08'N / 76°58'W41°09'N / 76°55'W4.00 Miles910 Yards22025.0M0Union
11.11985-05-31341°09'N / 76°55'W41°07'N / 76°50'W4.00 Miles2640 Yards22025.0M0Northumberland
27.81978-08-28240°53'N / 76°52'W40°51'N / 76°48'W3.30 Miles50 Yards0125K0Snyder
29.11985-05-31441°10'N / 77°52'W41°13'N / 77°19'W29.00 Miles3330 Yards0025.0M0Clinton
29.41978-08-28240°51'N / 76°48'W40°52'N / 76°46'W0025K0Northumberland
31.31954-09-19241°31'N / 76°40'W41°29'N / 76°25'W12.80 Miles50 Yards0025K0Sullivan
34.31982-04-17241°12'N / 76°24'W41°15'N / 76°21'W4.00 Miles30 Yards0125K0Columbia
34.41974-04-14241°25'N / 76°33'W41°32'N / 76°21'W12.80 Miles100 Yards0025K0Sullivan
38.11980-04-09240°44'N / 77°19'W40°43'N / 77°17'W00250K0Snyder
45.31953-09-12240°40'N / 76°41'W40°39'N / 76°35'W4.70 Miles50 Yards003K0Northumberland
45.51985-05-31441°12'N / 77°57'W41°10'N / 77°52'W4.50 Miles3330 Yards0025.0M0Centre
46.11984-07-06241°17'N / 76°09'W0.30 Mile300 Yards012250K0Luzerne
46.61950-07-05240°36'N / 76°45'W003K0Dauphin
48.31981-07-26240°52'N / 76°15'W0025K0Schuylkill


* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.


 
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