USA.com / Pennsylvania / Mifflin County / Natural Disasters and Weather Extremes

Mifflin County Natural Disasters and Weather Extremes

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

Topics:Earthquake Index Volcano Index Tornado Index Other Weather Extremes Events Volcanos Nearby Historical Earthquake Events Historical Tornado Events

Earthquake Index, #35

Mifflin County	0.03
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

Mifflin County	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, #55

Mifflin County	61.49
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 10,794 other weather extremes events within 50 miles of Mifflin County were recorded from 1950 to 2010. The following is a break down of these events:

Type	Count	Type	Count	Type	Count	Type	Count	Type	Count
Avalanche:	0	Blizzard:	4	Cold:	58	Dense Fog:	34	Drought:	67
Dust Storm:	0	Flood:	1,451	Hail:	1,723	Heat:	122	Heavy Snow:	162
High Surf:	0	Hurricane:	0	Ice Storm:	41	Landslide:	0	Strong Wind:	201
Thunderstorm Winds:	6,202	Tropical Storm:	2	Wildfire:	8	Winter Storm:	126	Winter Weather:	101
Other:	492

Volcanos Nearby

No volcano is found in or near Mifflin County.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Mifflin County.

No historical earthquake events found in or near Mifflin County.

Historical Tornado Events

A total of 19 historical tornado events that had recorded magnitude of 2 or above found in or near Mifflin County.

Distance (miles)	Date	Magnitude	Start Lat/Log	End Lat/Log	Length	Width	Fatalities	Injuries	Property Damage	Crop Damage	Affected County
2.8	1952-07-23	2	40°37'N / 77°34'W				0	4	25K	0	Mifflin
9.5	1989-11-20	2	40°37'N / 77°49'W	40°39'N / 77°47'W	3.50 Miles	1230 Yards	0	0	25K	0	Huntingdon
10.6	1991-09-18	2	40°40'N / 77°49'W	40°42'N / 77°47'W	4.00 Miles	330 Yards	0	3	250K	0	Huntingdon
18.1	1989-06-20	2	40°22'N / 77°30'W		2.00 Miles	23 Yards	0	1	25K	0	Perry
18.2	1975-06-05	2	40°45'N / 77°55'W				0	0	250K	0	Centre
18.5	1980-04-09	2	40°44'N / 77°19'W	40°43'N / 77°17'W			0	0	250K	0	Snyder
19.2	1955-08-19	2	40°24'N / 77°23'W				0	0	25K	0	Chester
26.6	1967-09-21	2	40°25'N / 77°11'W		0.10 Mile	30 Yards	0	0	250K	0	Perry
39.2	1961-04-16	3	40°03'N / 77°31'W				0	0	250K	0	Cumberland
40.1	1985-05-31	4	41°10'N / 77°52'W	41°13'N / 77°19'W	29.00 Miles	3330 Yards	0	0	25.0M	0	Clinton
42.2	1985-05-31	4	41°12'N / 77°57'W	41°10'N / 77°52'W	4.50 Miles	3330 Yards	0	0	25.0M	0	Centre
44.8	1978-08-28	2	40°53'N / 76°52'W	40°51'N / 76°48'W	3.30 Miles	50 Yards	0	1	25K	0	Snyder
45.4	1985-05-31	4	41°12'N / 78°04'W	41°12'N / 77°57'W	5.50 Miles	3330 Yards	0	0	25.0M	0	Clinton
45.6	1950-07-05	2	40°36'N / 76°45'W				0	0	3K	0	Dauphin
47.0	1978-08-28	2	40°51'N / 76°48'W	40°52'N / 76°46'W			0	0	25K	0	Northumberland
47.6	1996-07-19	2	40°43'N / 78°35'W	40°39'N / 78°28'W	8.40 Miles	200 Yards	0	0	0	0	Cambria
		Brief Description: An F1 to weak F2 tornado touched down in Clearfield County near New Washington around 10:15 a.m. EST. The tornado moved southeast approximately 19 miles along a curved path crossing Five Points into Cambria County across Glendale Lake before ending 2 miles east of Frugality. This storm damaged several mobile homes and farms in Five Points, picked a boat out of the water on Glendale Lake and felled many trees along its path. A herringbone tree pattern was apparent along with suction vortex damage to crops.
47.8	1985-05-31	3	41°11'N / 77°09'W	41°08'N / 76°58'W	11.00 Miles	910 Yards	2	20	25.0M	0	Lycoming
48.3	1977-04-05	2	40°15'N / 76°50'W		2.00 Miles	67 Yards	0	1	2.5M	0	Dauphin
49.1	1992-10-09	2	40°07'N / 76°57'W		2.00 Miles	100 Yards	0	0	2.5M	0	York

* 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.