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Selinsgrove, PA Natural Disasters and Weather Extremes

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

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

Earthquake Index, #1155

Selinsgrove, PA
0.04
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

Selinsgrove, 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, #1343

Selinsgrove, PA
103.21
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 3,226 other weather extremes events within 50 miles of Selinsgrove, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:3Cold:23Dense Fog:18Drought:54
Dust Storm:0Flood:380Hail:470Heat:91Heavy Snow:70
High Surf:0Hurricane:0Ice Storm:12Landslide:0Strong Wind:101
Thunderstorm Winds:1,803Tropical Storm:1Wildfire:2Winter Storm:48Winter Weather:51
Other:99 

Volcanos Nearby

No volcano is found in or near Selinsgrove, PA.

Historical Earthquake Events

A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Selinsgrove, PA.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
45.71964-05-124.53340.2-76.5

Historical Tornado Events

A total of 30 historical tornado events that had recorded magnitude of 2 or above found in or near Selinsgrove, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.91978-08-28240°53'N / 76°52'W40°51'N / 76°48'W3.30 Miles50 Yards0125K0Snyder
5.91978-08-28240°51'N / 76°48'W40°52'N / 76°46'W0025K0Northumberland
15.11950-07-05240°36'N / 76°45'W003K0Dauphin
15.61953-09-12240°40'N / 76°41'W40°39'N / 76°35'W4.70 Miles50 Yards003K0Northumberland
23.01985-05-31341°09'N / 76°55'W41°07'N / 76°50'W4.00 Miles2640 Yards22025.0M0Northumberland
23.31980-04-09240°44'N / 77°19'W40°43'N / 77°17'W00250K0Snyder
23.91985-05-31341°08'N / 76°58'W41°09'N / 76°55'W4.00 Miles910 Yards22025.0M0Union
26.71985-05-31341°11'N / 77°09'W41°08'N / 76°58'W11.00 Miles910 Yards22025.0M0Lycoming
29.91976-07-29341°12'N / 77°16'W41°14'N / 76°47'W25.00 Miles150 Yards002.5M0Lycoming
31.31967-09-21240°25'N / 77°11'W0.10 Mile30 Yards00250K0Perry
32.51981-07-26240°52'N / 76°15'W0025K0Schuylkill
34.81966-08-16241°18'N / 77°00'W41°18'N / 76°54'W4.50 Miles100 Yards0125K0Lycoming
37.21970-03-26240°16'N / 76°46'W2.50 Miles50 Yards00250K0Dauphin
37.41992-07-17240°24'N / 76°23'W1.00 Mile30 Yards00250K0Lebanon
37.61957-11-19240°18'N / 76°35'W2.00 Miles13 Yards0025K0Lebanon
38.01977-04-05240°15'N / 76°50'W2.00 Miles67 Yards012.5M0Dauphin
38.21967-10-18240°13'N / 76°45'W40°19'N / 76°36'W10.20 Miles30 Yards011250K0Dauphin
38.62004-07-14340°17'N / 76°35'W40°17'N / 76°35'W7.50 Miles500 Yards0018.0M0Lebanon
 Brief Description: Thunderstorms spawned a strong F3 tornado in southern Lebanon County during the afternoon of July 14. The tornado first touched down in far western Lebanon County at 3:05 pm EDT, about 1 mile west of the town of Campbelltown. The tornado traveled east, and struck a housing development about one quarter mile south of Route 322. A total of 32 homes were destroyed, with another 37 homes sustaining significant damage. An additional 50 homes and 9 farm buildings in the area were damaged by downburst winds associated with the thunderstorm which spawned the tornado. The tornado continued along a path to the east for seven and one half miles. The tornado crossed Route 322 west of Mount Pleasant, and continued east, mainly across fields, until it lifted up about 2 miles northwest of the town of Cornwall at 3:15 pm EDT. The width of the tornado was one quarter mile. Although the tornadic damage was confined to the path described, additional damage occurred outside this path, again associated with downburst winds from the parent thunderstorm. Winds were estimated between 175 and 200 MPH, making this a strong F3 tornado on the Fujita scale. The tornado injured 24 persons, one critically. There were no deaths. The American Red Cross opened a mass care center, where over 50 people required assistance with sheltering. Between 25,000 and 30,000 customers lost power in Lebanon and Berks Counties as a result of the storms.
38.71955-08-19240°24'N / 77°23'W0025K0Chester
38.81952-07-23240°37'N / 77°34'W0425K0Mifflin
38.91982-04-17241°12'N / 76°24'W41°15'N / 76°21'W4.00 Miles30 Yards0125K0Columbia
41.81970-06-18340°24'N / 76°18'W40°24'N / 76°14'W1.90 Miles880 Yards152.5M0Lebanon
44.31985-07-31240°10'N / 76°54'W40°09'N / 76°51'W3.00 Miles20 Yards02250K0Lancaster
44.81989-06-20240°22'N / 77°30'W2.00 Miles23 Yards0125K0Perry
45.61992-07-15240°53'N / 76°00'W1.50 Miles50 Yards022.5M0Schuylkill
46.51985-05-31441°10'N / 77°52'W41°13'N / 77°19'W29.00 Miles3330 Yards0025.0M0Clinton
46.81970-07-02240°09'N / 76°37'W1.00 Mile1760 Yards0025K0Lancaster
47.41992-10-09240°07'N / 76°57'W2.00 Miles100 Yards002.5M0York
48.31968-09-10240°58'N / 75°58'W0025K0Luzerne
48.51975-10-11240°17'N / 76°29'W40°10'N / 76°11'W17.50 Miles33 Yards002.5M0Lebanon


* 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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