17233 Zip Code Natural Disasters and Weather Extremes
The chance of earthquake damage in 17233 Zip Code is about the same as Pennsylvania average and is much lower than the national average. The risk of tornado damage in 17233 Zip Code is lower than Pennsylvania average and is much lower than the national average.
Earthquake Index, #1132
| 17233 Zip Code | 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
| 17233 Zip Code | 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, #1997
| 17233 Zip Code | 58.49 |
| 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 2,875 other weather extremes events within 50 miles of 17233 Zip Code 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: | 3 | Cold: | 27 | Dense Fog: | 16 | Drought: | 17 |
| Dust Storm: | 0 | Flood: | 461 | Hail: | 415 | Heat: | 32 | Heavy Snow: | 47 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 16 | Landslide: | 0 | Strong Wind: | 61 |
| Thunderstorm Winds: | 1,483 | Tropical Storm: | 2 | Wildfire: | 4 | Winter Storm: | 58 | Winter Weather: | 47 |
| Other: | 186 | ||||||||
Volcanos Nearby
No volcano is found in or near 17233 Zip Code.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near 17233 Zip Code.
No historical earthquake events found in or near 17233 Zip Code.
Historical Tornado Events
A total of 16 historical tornado events that had recorded magnitude of 2 or above found in or near 17233 Zip Code.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 25.4 | 1961-04-16 | 3 | 40°03'N / 77°31'W | 0 | 0 | 250K | 0 | Cumberland | |||
| 37.3 | 1989-06-20 | 2 | 40°22'N / 77°30'W | 2.00 Miles | 23 Yards | 0 | 1 | 25K | 0 | Perry | |
| 39.1 | 1976-03-21 | 2 | 39°56'N / 77°15'W | 1.00 Mile | 50 Yards | 0 | 0 | 25K | 0 | Adams | |
| 41.5 | 2004-09-17 | 2 | 39°22'N / 78°02'W | 39°23'N / 78°02'W | 2.00 Miles | 100 Yards | 0 | 6 | 25K | 0 | Berkeley |
| Brief Description: A tornado touched down in Darkesville in southern Berkeley County. The F2 tornado produced extensive structural damage to homes and businesses in the area. The storm traveled north and toppled tractor trailers and vehicles on Interstate-81. At least 6 people were injured from the automobile accidents. | |||||||||||
| 43.3 | 1955-08-19 | 2 | 40°24'N / 77°23'W | 0 | 0 | 25K | 0 | Chester | |||
| 43.9 | 1983-05-22 | 3 | 39°42'N / 77°15'W | 39°42'N / 77°14'W | 1.00 Mile | 37 Yards | 0 | 0 | 25K | 0 | Frederick |
| 44.7 | 1996-07-19 | 2 | 39°23'N / 77°42'W | 39°21'N / 77°42'W | 2.00 Miles | 125 Yards | 0 | 0 | 400K | 75K | Washington |
| Brief Description: A moderate tornado (F2) tracked between two mountain ridges in extreme southern Washington Co, knocking down hundreds of trees, including several onto homes which caused substantial damage. At least one barn was completely destroyed in Yarrowsburg. The storm attained maximum strength just south of town (where the trees, including numerous hardwoods, were flattened). The tornado weakened considerably before dissipating along the eastern ridge. Structural and vehicle damage, though not as prevalent as the tree damage, included the following: Portions of roofs from two barns were blown off; minor residential damage, including shattered windows, unhinged shingles, and torn off trim/gutters. Some gravestones were overturned by the winds, and several power lines were knocked down. Several vehicles and vehicle windows were damaged. | |||||||||||
| 44.8 | 2004-09-17 | 2 | 39°24'N / 77°33'W | 39°24'N / 77°39'W | 3.00 Miles | 200 Yards | 0 | 0 | 5K | 0 | Frederick |
| Brief Description: An F2 tornado touched down in far northwest Frederick County, on the northwest edge of Catoctin Mountain Park. A thickly forested stand of hardwood trees was snapped off above the bases. | |||||||||||
| 44.8 | 1983-05-22 | 3 | 39°42'N / 77°14'W | 39°43'N / 77°12'W | 1.00 Mile | 37 Yards | 0 | 0 | 25K | 0 | Carroll |
| 46.5 | 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 |
| 46.9 | 1961-07-13 | 2 | 39°19'N / 78°12'W | 0 | 1 | 3K | 0 | Frederick | |||
| 47.8 | 1954-04-25 | 2 | 39°50'N / 77°14'W | 39°48'N / 76°59'W | 13.30 Miles | 500 Yards | 0 | 0 | 25K | 0 | Adams |
| 48.4 | 1989-11-16 | 2 | 39°15'N / 77°47'W | 39°20'N / 77°48'W | 9.00 Miles | 50 Yards | 0 | 3 | 250K | 0 | Jefferson |
| 48.5 | 1956-05-13 | 2 | 40°15'N / 78°50'W | 0 | 1 | 250K | 0 | Somerset | |||
| 49.5 | 1952-07-23 | 2 | 40°37'N / 77°34'W | 0 | 4 | 25K | 0 | Mifflin | |||
| 49.8 | 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 |
* 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.