Radnor, OH Natural Disasters and Weather Extremes
Hot Rankings
The chance of earthquake damage in Radnor is about the same as Ohio average and is much lower than the national average. The risk of tornado damage in Radnor is higher than Ohio average and is higher than the national average.
Earthquake Index, #633
| Radnor, OH | 0.05 |
| Ohio | 0.16 |
| 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
| Radnor, OH | 0.0000 |
| Ohio | 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, #604
| Radnor, OH | 167.37 |
| Ohio | 156.02 |
| 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 3,882 other weather extremes events within 50 miles of Radnor, OH 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: | 2 | Cold: | 12 | Dense Fog: | 1 | Drought: | 10 |
| Dust Storm: | 0 | Flood: | 466 | Hail: | 910 | Heat: | 8 | Heavy Snow: | 50 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 26 | Landslide: | 0 | Strong Wind: | 90 |
| Thunderstorm Winds: | 2,158 | Tropical Storm: | 0 | Wildfire: | 0 | Winter Storm: | 67 | Winter Weather: | 15 |
| Other: | 67 | ||||||||
Volcanos Nearby
No volcano is found in or near Radnor, OH.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Radnor, OH.
No historical earthquake events found in or near Radnor, OH.
Historical Tornado Events
A total of 69 historical tornado events that had recorded magnitude of 2 or above found in or near Radnor, OH.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 1.2 | 1965-04-11 | 2 | 40°23'N / 83°15'W | 40°25'N / 83°01'W | 12.30 Miles | 400 Yards | 4 | 35 | 2.5M | 0 | Delaware |
| 6.0 | 1965-04-11 | 2 | 40°22'N / 83°16'W | 40°23'N / 83°15'W | 0 | 5 | 25K | 0 | Union | ||
| 8.0 | 1960-08-21 | 2 | 40°30'N / 83°11'W | 40°30'N / 83°05'W | 4.50 Miles | 880 Yards | 0 | 0 | 25K | 0 | Marion |
| 9.1 | 1979-08-08 | 2 | 40°31'N / 83°08'W | 1.20 Miles | 50 Yards | 0 | 0 | 250K | 0 | Marion | |
| 10.8 | 1971-05-06 | 2 | 40°31'N / 83°12'W | 40°34'N / 83°04'W | 7.40 Miles | 150 Yards | 0 | 3 | 250K | 0 | Marion |
| 12.2 | 1965-04-11 | 2 | 40°25'N / 83°01'W | 40°28'N / 82°50'W | 9.90 Miles | 400 Yards | 0 | 22 | 2.5M | 0 | Morrow |
| 15.9 | 1970-05-13 | 2 | 40°33'N / 82°56'W | 0 | 5 | 3K | 0 | Morrow | |||
| 16.9 | 1973-05-08 | 2 | 40°06'N / 83°07'W | 40°15'N / 82°51'W | 17.30 Miles | 67 Yards | 0 | 0 | 250K | 0 | Franklin |
| 17.2 | 1981-06-13 | 3 | 40°30'N / 82°54'W | 40°33'N / 82°51'W | 3.80 Miles | 350 Yards | 4 | 56 | 25.0M | 0 | Morrow |
| 18.3 | 2002-11-10 | 3 | 40°23'N / 83°32'W | 40°26'N / 83°27'W | 7.00 Miles | 300 Yards | 0 | 2 | 500K | 0 | Union |
| Brief Description: The tornado moved into the northwest part of the county from Logan County, tracking northeast across rural areas. Nine homes were damaged, four of which were completely destroyed. Half a dozen barn and sheds were destroyed. A 400-foot metal hi-tension cellular tower was toppled and destroyed and numerous cars were totalled. The worst damage occurred to a modular home along Newton-Perkins Road. Two individuals in the home were severely injured. | |||||||||||
| 21.4 | 2002-11-10 | 3 | 40°21'N / 83°33'W | 40°21'N / 83°33'W | 2.00 Miles | 300 Yards | 0 | 0 | 30K | 0 | Logan |
| Brief Description: The tornado touched down across the extreme eastern part of the county and moved northeast, continuing into Union County. Two semi trailers and a shed roof were damaged. | |||||||||||
| 21.5 | 1989-11-15 | 2 | 40°26'N / 82°56'W | 40°36'N / 82°37'W | 21.00 Miles | 73 Yards | 0 | 0 | 2.5M | 0 | Morrow |
| 22.1 | 1970-04-02 | 2 | 40°07'N / 82°55'W | 2.00 Miles | 440 Yards | 0 | 0 | 250K | 0 | Franklin | |
| 22.3 | 1973-05-10 | 2 | 40°42'N / 83°07'W | 40°40'N / 82°51'W | 13.90 Miles | 267 Yards | 0 | 0 | 3K | 0 | Marion |
| 23.2 | 1973-05-30 | 2 | 40°03'N / 83°07'W | 2.00 Miles | 17 Yards | 0 | 1 | 2.5M | 0 | Franklin | |
| 23.2 | 1973-05-25 | 2 | 40°03'N / 83°11'W | 0 | 0 | 250K | 0 | Franklin | |||
| 23.3 | 2000-05-23 | 2 | 40°40'N / 82°54'W | 40°40'N / 82°54'W | 3.00 Miles | 200 Yards | 0 | 0 | 200K | 0 | Marion |
| Brief Description: A tornado touched down near Lyons Road approximately four miles west of the Town of Martel. The observed damage path was approximately three miles in length and was oriented west to east. The width of the path varied between 100 and 200 yards. Five homes were damaged and two mobile homes destroyed. One of the mobile homes was found wrapped around a large tree. | |||||||||||
| 23.5 | 1970-05-14 | 2 | 40°30'N / 82°45'W | 40°32'N / 82°43'W | 3.00 Miles | 700 Yards | 0 | 7 | 250K | 0 | Morrow |
| 23.7 | 2000-09-20 | 2 | 40°08'N / 82°50'W | 40°11'N / 82°47'W | 5.00 Miles | 100 Yards | 0 | 2 | 1.0M | 0 | Delaware |
| Brief Description: A tornado touched down in the southeastern part of the county, along Harlem road and then raced rapidly eastward to the Licking county line. Two high tension power line towers were bent over and 14 houses were either damaged or destroyed. | |||||||||||
| 24.2 | 1957-06-11 | 2 | 40°18'N / 82°42'W | 0.50 Mile | 100 Yards | 0 | 0 | 25K | 0 | Knox | |
| 24.9 | 1980-07-05 | 2 | 40°40'N / 82°51'W | 0.20 Mile | 33 Yards | 0 | 1 | 25K | 0 | Morrow | |
| 25.5 | 1973-05-10 | 2 | 40°46'N / 83°30'W | 40°42'N / 83°07'W | 20.40 Miles | 267 Yards | 0 | 0 | 25K | 0 | Wyandot |
| 26.1 | 1974-04-03 | 2 | 40°05'N / 82°51'W | 40°08'N / 82°46'W | 5.10 Miles | 90 Yards | 0 | 0 | 250K | 0 | Franklin |
| 27.1 | 1965-11-16 | 2 | 40°12'N / 83°36'W | 0.20 Mile | 33 Yards | 0 | 4 | 25K | 0 | Champaign | |
| 28.3 | 2006-10-11 | 2 | 40°05'N / 82°47'W | 40°05'N / 82°47'W | 1.00 Mile | 150 Yards | 0 | 0 | 50.0M | 0K | Franklin |
| Brief Description: EVENT NARRATIVE: A tornado touched down and moved through the Upper Albany West subdivision. Sixty-seven homes were damaged, sixteen of those severely and an additional eight completely destroyed. Many of the homes sustained significant roof, siding and window damage. Much of the damage was F1, with some low end F2 damage to around 120 mph. EPISODE NARRATIVE: A squall line moved through central Ohio during the evening. Two tornadoes occurred in the Columbus metro area as the squall line moved through. | |||||||||||
| 30.0 | 1971-02-22 | 3 | 39°58'N / 82°56'W | 40°02'N / 82°50'W | 6.80 Miles | 100 Yards | 0 | 7 | 2.5M | 0 | Franklin |
| 30.1 | 1990-06-22 | 2 | 40°36'N / 82°40'W | 40°35'N / 82°37'W | 3.00 Miles | 200 Yards | 0 | 1 | 2.5M | 0 | Morrow |
| 30.4 | 2000-09-20 | 2 | 40°11'N / 82°44'W | 40°16'N / 82°29'W | 16.00 Miles | 100 Yards | 0 | 0 | 1.0M | 100K | Licking |
| Brief Description: A tornado tracked out of Delaware county across the northwestern part of the county and then continued into Knox county. The storm lifted briefly in spots but maintained a 25 mile track across the three counties, mainly in rural areas. Eleven homes received major damage and 4 received minor damage. Several barns and outbuildings were also destroyed. Twelve buildings at the Buckeye Egg Company were destroyed, trapping one million chickens inside. | |||||||||||
| 30.4 | 1973-05-10 | 2 | 40°40'N / 82°51'W | 40°38'N / 82°31'W | 17.30 Miles | 267 Yards | 0 | 0 | 3K | 0 | Morrow |
| 30.6 | 1975-08-13 | 2 | 40°44'N / 82°47'W | 0.50 Mile | 20 Yards | 0 | 0 | 250K | 0 | Crawford | |
| 32.3 | 1982-04-03 | 2 | 40°30'N / 82°33'W | 0.80 Mile | 50 Yards | 0 | 9 | 250K | 0 | Knox | |
| 32.4 | 1989-11-15 | 2 | 40°36'N / 82°37'W | 40°38'N / 82°36'W | 2.00 Miles | 73 Yards | 0 | 0 | 2.5M | 0 | Richland |
| 33.0 | 1973-05-10 | 3 | 39°55'N / 83°15'W | 39°55'N / 82°48'W | 23.80 Miles | 300 Yards | 0 | 3 | 3K | 0 | Franklin |
| 34.3 | 1970-05-14 | 2 | 40°17'N / 83°47'W | 3.00 Miles | 350 Yards | 0 | 0 | 250K | 0 | Logan | |
| 34.7 | 1973-05-10 | 3 | 39°55'N / 83°31'W | 39°55'N / 83°15'W | 14.10 Miles | 300 Yards | 0 | 0 | 3K | 0 | Madison |
| 34.9 | 1970-04-02 | 2 | 40°24'N / 82°29'W | 2.00 Miles | 150 Yards | 0 | 1 | 250K | 0 | Knox | |
| 34.9 | 1982-03-31 | 2 | 40°24'N / 82°29'W | 1.00 Mile | 200 Yards | 0 | 4 | 250K | 0 | Knox | |
| 35.0 | 1973-05-10 | 3 | 40°14'N / 83°50'W | 40°01'N / 83°36'W | 19.20 Miles | 300 Yards | 0 | 0 | 3K | 0 | Champaign |
| 35.3 | 1985-03-28 | 2 | 40°40'N / 82°35'W | 2.00 Miles | 77 Yards | 0 | 0 | 2.5M | 0 | Richland | |
| 36.2 | 1973-05-10 | 3 | 40°01'N / 83°36'W | 39°55'N / 83°31'W | 8.00 Miles | 300 Yards | 0 | 4 | 3K | 0 | Clark |
| 37.2 | 1964-06-15 | 2 | 40°52'N / 83°28'W | 2.00 Miles | 100 Yards | 0 | 0 | 250K | 0 | Wyandot | |
| 37.8 | 1974-04-03 | 2 | 39°50'N / 83°34'W | 39°56'N / 83°18'W | 15.70 Miles | 180 Yards | 0 | 0 | 250K | 0 | Clark |
| 38.0 | 1990-06-22 | 2 | 40°35'N / 82°37'W | 40°41'N / 82°23'W | 19.00 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Richland |
| 38.5 | 1958-06-13 | 2 | 40°06'N / 83°50'W | 40°09'N / 83°45'W | 5.10 Miles | 33 Yards | 0 | 0 | 250K | 0 | Champaign |
| 38.8 | 1985-05-31 | 3 | 40°10'N / 82°43'W | 40°14'N / 82°11'W | 27.00 Miles | 150 Yards | 1 | 20 | 25.0M | 0 | Licking |
| 39.6 | 1964-06-15 | 2 | 40°56'N / 83°22'W | 0 | 7 | 250K | 0 | Wyandot | |||
| 40.1 | 1973-05-10 | 2 | 40°38'N / 82°31'W | 40°37'N / 82°23'W | 6.60 Miles | 267 Yards | 0 | 14 | 25K | 0 | Richland |
| 40.5 | 2006-10-11 | 2 | 39°48'N / 83°06'W | 1.00 Mile | 50 Yards | 0 | 0 | 60K | 0K | Pickaway | |
| Brief Description: EVENT NARRATIVE: A tornado briefly touched down in extreme northwest Pickaway County. The damage path extended along a short length of Carson Road, just west of Interstate 71. A barn made of wood and cinder blocks was completely destroyed, with the cinder blocks being carried 200 to 300 yards away. Several pieces of wood were strewn onto neighboring properties, with some pieces impaled into the ground or asphalt. A few homes had significant roof damage and windows blown out. Large trees were snapped or uprooted along the damage path. The damage was mainly F1, with some isolated pockets of low end F2 damage up to 120 mph. EPISODE NARRATIVE: A squall line moved through central Ohio during the evening. Two tornadoes occurred in the Columbus metro area as the squall line moved through. | |||||||||||
| 41.4 | 1975-11-10 | 2 | 40°54'N / 83°33'W | 0.30 Mile | 30 Yards | 0 | 0 | 250K | 0 | Hancock | |
| 41.6 | 1973-05-10 | 3 | 39°55'N / 82°48'W | 39°55'N / 82°30'W | 15.80 Miles | 300 Yards | 0 | 0 | 3K | 0 | Fairfield |
| 41.8 | 1981-06-08 | 2 | 40°32'N / 82°25'W | 40°32'N / 82°20'W | 3.80 Miles | 50 Yards | 0 | 2 | 250K | 0 | Knox |
| 41.9 | 1971-05-24 | 3 | 40°29'N / 83°56'W | 1.00 Mile | 150 Yards | 0 | 0 | 25K | 0 | Logan | |
| 42.1 | 1977-06-30 | 2 | 40°53'N / 82°41'W | 0.50 Mile | 50 Yards | 0 | 0 | 250K | 0 | Richland | |
| 42.3 | 1971-05-16 | 2 | 39°50'N / 82°48'W | 0 | 0 | 3K | 0 | Fairfield | |||
| 42.6 | 1998-08-25 | 2 | 40°14'N / 82°29'W | 40°10'N / 82°16'W | 10.00 Miles | 250 Yards | 0 | 0 | 300K | 0 | Licking |
| Brief Description: A tornado knocked down numerous trees, destroyed 2 barns, and caused significant damage to 4 homes. | |||||||||||
| 42.9 | 1963-06-05 | 2 | 39°46'N / 83°04'W | 0 | 0 | 25K | 0 | Pickaway | |||
| 44.7 | 1965-11-27 | 2 | 40°02'N / 82°27'W | 40°06'N / 82°22'W | 5.90 Miles | 300 Yards | 0 | 1 | 250K | 0 | Licking |
| 44.8 | 1965-08-25 | 2 | 40°42'N / 82°24'W | 2.00 Miles | 33 Yards | 0 | 0 | 25K | 0 | Richland | |
| 45.1 | 1986-03-10 | 2 | 39°43'N / 83°12'W | 39°45'N / 83°13'W | 3.00 Miles | 100 Yards | 0 | 10 | 2.5M | 0 | Pickaway |
| 45.8 | 1974-04-03 | 5 | 39°47'N / 83°43'W | 39°55'N / 83°36'W | 10.90 Miles | 533 Yards | 0 | 0 | 2.5M | 0 | Clark |
| 45.9 | 1992-07-13 | 2 | 41°03'N / 83°19'W | 41°03'N / 82°59'W | 16.00 Miles | 100 Yards | 0 | 0 | 250K | 0 | Seneca |
| 46.2 | 1965-11-16 | 2 | 41°00'N / 82°58'W | 41°04'N / 82°53'W | 5.90 Miles | 500 Yards | 0 | 0 | 250K | 0 | Seneca |
| 46.4 | 1986-03-10 | 2 | 39°43'N / 83°16'W | 39°43'N / 83°13'W | 3.00 Miles | 100 Yards | 0 | 0 | 2.5M | 0 | Madison |
| 47.2 | 1971-06-02 | 3 | 40°55'N / 84°00'W | 40°56'N / 83°24'W | 31.50 Miles | 200 Yards | 0 | 0 | 25K | 0 | Allen |
| 47.5 | 1965-04-11 | 4 | 40°52'N / 83°52'W | 40°57'N / 83°36'W | 14.70 Miles | 400 Yards | 2 | 4 | 250K | 0 | Hancock |
| 47.9 | 1958-07-22 | 2 | 40°05'N / 82°25'W | 40°04'N / 82°15'W | 8.60 Miles | 200 Yards | 0 | 0 | 25K | 0 | Licking |
| 49.1 | 1972-08-17 | 2 | 40°54'N / 82°30'W | 0.10 Mile | 30 Yards | 0 | 0 | 25K | 0 | Richland | |
| 49.4 | 1961-02-18 | 2 | 41°06'N / 83°12'W | 1.50 Miles | 440 Yards | 0 | 0 | 250K | 0 | Seneca | |
| 49.4 | 1965-04-11 | 3 | 41°04'N / 83°08'W | 41°07'N / 82°51'W | 15.00 Miles | 300 Yards | 4 | 30 | 250K | 0 | Seneca |
* 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.