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Harwick, PA Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Harwick is about the same as Pennsylvania average and is much lower than the national average. The risk of tornado damage in Harwick 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, #2149

Harwick, PA
0.00
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

Harwick, 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, #1036

Harwick, PA
114.61
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 4,664 other weather extremes events within 50 miles of Harwick, PA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:3Cold:6Dense Fog:0Drought:3
Dust Storm:0Flood:704Hail:844Heat:2Heavy Snow:47
High Surf:0Hurricane:0Ice Storm:21Landslide:0Strong Wind:78
Thunderstorm Winds:2,825Tropical Storm:0Wildfire:0Winter Storm:23Winter Weather:2
Other:106 

Volcanos Nearby

No volcano is found in or near Harwick, PA.

Historical Earthquake Events

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

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

Historical Tornado Events

A total of 44 historical tornado events that had recorded magnitude of 2 or above found in or near Harwick, PA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
7.11980-06-03440°39'N / 79°44'W40°37'N / 79°42'W1.90 Miles33 Yards020250.0M0Allegheny
10.11980-06-03440°37'N / 79°42'W40°36'N / 79°33'W7.60 Miles33 Yards00250.0M0Westmoreland
12.51975-06-04240°35'N / 80°13'W40°11'N / 79°32'W45.30 Miles30 Yards000K0Beaver
12.81981-04-28240°44'N / 79°44'W0.50 Mile33 Yards0025K0Butler
13.51956-05-13240°22'N / 79°52'W0.70 Mile200 Yards05250K0Allegheny
14.91980-06-03440°36'N / 79°33'W40°35'N / 79°30'W2.30 Miles33 Yards0120250.0M0Armstrong
15.21985-05-31340°47'N / 80°09'W40°43'N / 79°44'W22.00 Miles243 Yards68025.0M0Butler
17.01963-08-03340°19'N / 79°53'W27025.0M0Allegheny
18.31983-05-22240°17'N / 79°53'W40°18'N / 79°47'W5.00 Miles200 Yards002.5M0Allegheny
18.61983-05-22240°18'N / 79°47'W40°20'N / 79°30'W14.00 Miles200 Yards062.5M0Westmoreland
20.51980-06-03240°32'N / 79°28'W40°32'N / 79°22'W4.90 Miles33 Yards00250K0Indiana
22.11954-06-26240°15'N / 79°41'W0425K0Westmoreland
22.21964-06-15240°18'N / 79°33'W2.00 Miles800 Yards04250K0Westmoreland
22.71981-07-20240°51'N / 80°00'W00250K0Butler
23.41966-04-23240°42'N / 79°24'W1.00 Mile17 Yards0025K0Armstrong
24.51983-05-22240°20'N / 79°30'W40°27'N / 79°17'W13.00 Miles200 Yards042.5M0Westmoreland
24.71980-05-12240°24'N / 79°23'W2.20 Miles20 Yards00250K0Westmoreland
25.41956-05-12240°37'N / 80°17'W00250K0Beaver
26.11954-06-01240°55'N / 79°48'W40°57'N / 79°44'W3.00 Miles150 Yards0025K0Butler
27.31976-07-11340°21'N / 79°30'W40°16'N / 79°18'W11.80 Miles67 Yards1172.5M0Westmoreland
27.31954-06-10240°45'N / 80°15'W40°51'N / 80°11'W7.30 Miles33 Yards0125K0Beaver
28.91954-06-10240°51'N / 80°11'W40°53'N / 80°10'W0225K0Lawrence
30.01981-07-26240°34'N / 79°14'W00250K0Indiana
30.51983-05-22240°27'N / 79°17'W40°30'N / 79°11'W6.00 Miles200 Yards002.5M0Indiana
30.81997-08-15240°20'N / 79°19'W40°21'N / 79°16'W3.50 Miles200 Yards02800K10KWestmoreland
 Brief Description: A severe thunderstorm produced a tornado that produced substantial damage in a residential area east-northeast of Latrobe along the foothills of the Chestnut Ridge. The tornado first touched down 1 mile west of Derry. The tornado completely destroyed a large tier of metal stadium bleachers at a high school football field and wrapped them against a utility pole. A nearby roof of a business was damaged and a mobile home was completely destroyed and a few mobile homes sustained damage. The tornado then tracked through a rural area, damaging some farm buildings and downing field corn. The tornado continued its rapid (estimated forward speed 50-60 miles per hour) northeast track and caused significant damage in a mobile home park in Derry. The tornado crossed Route 217 and downed trees across railroad tracks and then entered a residential area in Millwood. One frame house in Millwood was severely damaged and part of a room addition collapsed and trapped a resident, who was treated at the scene. A resident of a mobile home sustained minor injuries as well. Numerous trees were uprooted and large branches and power lines were downed along the track of the storm. One home along Route 217 had a branch embedded into the house siding. The tornado was estimated to have wind speeds of between 90 and 120 miles per hour, briefly attaining an F-2 rating on the Fujita Tornado Scale. All tolled, 7-8 mobile homes were destroyed (3 totally decimated), 10-12 sustained major damage, 15-18 sustained minor damage. One frame house was heavily damaged and about 10 sustained minor damage. One car was destroyed when a tree fell on it. Parked next to the auto was another car with two occupants that were not injured. About 10 other cars were damaged. An open-air church in Millwood was also heavily damaged. The tornado appeared to have dissipated as it entered the heavily wooded slopes of the Chestnut Ridge.
31.31985-05-31340°49'N / 80°28'W40°47'N / 80°09'W17.00 Miles243 Yards34025.0M0Beaver
32.32002-04-28240°34'N / 79°14'W40°37'N / 79°09'W5.00 Miles250 Yards01750K0Indiana
 Brief Description: A storm spawning two separate tornadoes passed over southern Armstrong County, continuing eastward into Indiana County. The first tornado, an F0, touched down at approximately 2:45 PM EST just south of the town of Spring Church in Armstrong County. It traveled east about 3 miles before crossing into Indiana County approximately 1 mile east of Maysville at 2:52 PM EST. This tornado continued traveling to the east for another mile, finally dissipating near the community of Iselin at around 2:55 PM EST. The maximum estimated winds with this tornado were about 70 MPH. Damage from this first tornado included numerous trees which were toppled or snapped. A small steeple was toppled, and a swimming pool was destroyed. There were several trees toppled onto houses, and some houses suffered minor wind damage. A garage was damaged, and a house under construction was lifted off the foundation. The same storm produced another stronger tornado, an F2, which touched down in Indiana County approximately 6 miles southwest of the city of Indiana at 3:00 PM EST. This F2 traveled to the east across Center Township for approximately 5 miles, dissipating just south of Indiana at 3:06 PM EST. The estimated maximum winds were around 135 MPH. This F2 tornado produced a swath of damage as it traveled eastward across Indiana County. One house was totally destroyed, and debris from this house was blown downwind. In this same area, a car was turned over and trees were stripped of leaves. An adjacent house exhibited damage from hail or flying projectiles on several sides. The house immediately to the north of the destroyed house lost part of its east-facing roof. There were at least an additional 18 houses damaged (roofs, shingles, siding, etc.). Several garages and barns were either toppled or snapped. A large sign from a hotel was blown down onto a car sales lot. Two cars were crushed and 18 other vehicles were damaged. One moderate injury was reported with this tornado.
32.91965-11-16240°06'N / 79°36'W40°07'N / 79°35'W03250K0Fayette
33.01951-06-27240°35'N / 79°15'W40°52'N / 79°11'W19.70 Miles33 Yards003K0Armstrong
33.71965-11-16240°05'N / 79°37'W40°06'N / 79°36'W03250K0Westmoreland
34.41986-09-23240°58'N / 79°26'W0.50 Mile40 Yards012.5M0Armstrong
35.21953-05-30240°24'N / 79°12'W40°24'N / 79°08'W1.90 Miles33 Yards0025K0Indiana
35.41990-06-30240°07'N / 80°09'W0.20 Mile250 Yards0025K0Washington
41.81977-09-24241°00'N / 80°21'W002.5M0Lawrence
43.41986-10-03241°08'N / 80°14'W41°08'N / 80°02'W9.00 Miles123 Yards002.5M0Mercer
45.01986-10-01239°55'N / 79°45'W39°54'N / 79°40'W4.50 Miles100 Yards022.5M0Fayette
45.01985-05-31441°31'N / 79°56'W40°44'N / 78°50'W12.50 Miles350 Yards84025.0M0Venango
45.11985-05-31241°13'N / 79°48'W41°12'N / 79°41'W6.00 Miles150 Yards010K0Venango
45.31992-08-08241°04'N / 80°21'W2.00 Miles150 Yards0025K0Lawrence
45.61996-07-19241°05'N / 79°19'W41°04'N / 79°13'W7.50 Miles100 Yards0025K5KClarion
 Brief Description: A tornado began in Clarion County about 6 miles north of New Bethlehem. It tracked southeast into Jefferson County through Langville. The tornado lifted 1.5 miles west of Oliveburg. The tornado uprooted trees and rolled a mobile home, about a mile north of Truittsburg in Clarion County. The tornado also damaged some homes and farms, crops and downed extensive swaths of trees along its path. The tornado moved mainly in a straight line and averaged about 100 yards in width.
46.11967-07-24240°49'N / 80°41'W40°49'N / 80°33'W6.50 Miles277 Yards02250K0Columbiana
47.41996-07-19241°04'N / 79°13'W40°59'N / 79°04'W2.50 Miles100 Yards0025K5KJefferson
 Brief Description: A tornado began in Clarion County about 6 miles north of New Bethlehem. It tracked southeast into Jefferson County through Langville. The tornado lifted 1.5 miles west of Oliveburg. The tornado uprooted trees and rolled a mobile home, about a mile north of Truittsburg in Clarion County. The tornado also damaged some homes and farms, crops and downed extensive swaths of trees along its path. The tornado moved mainly in a straight line and averaged about 100 yards in width.
49.11985-05-31440°44'N / 78°50'W41°26'N / 79°31'W11.00 Miles350 Yards0525.0M0Venango
49.51954-06-01241°14'N / 79°33'W41°15'N / 79°30'W003K0Clarion


* 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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