Darke County Natural Disasters and Weather Extremes
Hot Ohio Rankings
The chance of earthquake damage in Darke County is about the same as Ohio average and is much lower than the national average. The risk of tornado damage in Darke County is higher than Ohio average and is much higher than the national average.
Earthquake Index, #19
| Darke County | 0.13 |
| 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
| Darke County | 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, #7
| Darke County | 206.67 |
| 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 16,236 other weather extremes events within 50 miles of Darke 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: | 8 | Cold: | 69 | Dense Fog: | 34 | Drought: | 37 |
| Dust Storm: | 0 | Flood: | 1,875 | Hail: | 4,003 | Heat: | 61 | Heavy Snow: | 148 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 63 | Landslide: | 0 | Strong Wind: | 260 |
| Thunderstorm Winds: | 8,957 | Tropical Storm: | 0 | Wildfire: | 1 | Winter Storm: | 201 | Winter Weather: | 60 |
| Other: | 459 | ||||||||
Volcanos Nearby
No volcano is found in or near Darke County.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Darke County.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 28.9 | 1937-03-09 | 5.5 | N/A | 40.4 | -84.2 |
Historical Tornado Events
A total of 78 historical tornado events that had recorded magnitude of 2 or above found in or near Darke County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 2.7 | 1963-05-27 | 2 | 40°07'N / 84°40'W | 1.00 Mile | 33 Yards | 0 | 0 | 25K | 0 | Darke | |
| 4.8 | 1955-11-15 | 3 | 40°06'N / 84°38'W | 40°06'N / 84°46'W | 14.40 Miles | 400 Yards | 0 | 7 | 25K | 0 | Randolph |
| 4.8 | 1955-11-15 | 3 | 40°06'N / 84°46'W | 40°06'N / 84°38'W | 6.60 Miles | 300 Yards | 0 | 1 | 2.5M | 0 | Darke |
| 4.9 | 1955-03-11 | 2 | 40°12'N / 84°48'W | 40°12'N / 84°30'W | 15.60 Miles | 500 Yards | 0 | 2 | 250K | 0 | Randolph |
| 5.9 | 1961-07-28 | 3 | 40°12'N / 84°48'W | 40°14'N / 84°25'W | 20.20 Miles | 200 Yards | 0 | 2 | 250K | 0 | Darke |
| 10.7 | 1961-07-28 | 3 | 40°11'N / 84°49'W | 40°12'N / 84°48'W | 0 | 0 | 3K | 0 | Randolph | ||
| 10.9 | 1980-04-08 | 2 | 39°59'N / 84°33'W | 1.00 Mile | 100 Yards | 0 | 0 | 2.5M | 0 | Darke | |
| 12.1 | 1992-11-22 | 3 | 39°56'N / 84°38'W | 39°59'N / 84°33'W | 8.00 Miles | 500 Yards | 0 | 21 | 25.0M | 0 | Darke |
| 14.2 | 1963-03-19 | 2 | 40°03'N / 84°52'W | 2.50 Miles | 300 Yards | 0 | 0 | 250K | 0 | Randolph | |
| 16.7 | 1986-03-10 | 3 | 40°02'N / 84°59'W | 40°06'N / 84°52'W | 7.60 Miles | 440 Yards | 0 | 0 | 25.0M | 0 | Randolph |
| 19.3 | 1992-11-22 | 3 | 39°47'N / 84°45'W | 39°56'N / 84°38'W | 12.00 Miles | 500 Yards | 0 | 0 | 25.0M | 0 | Preble |
| 19.9 | 1961-06-08 | 2 | 40°11'N / 84°15'W | 0 | 0 | 250K | 0 | Miami | |||
| 21.3 | 1961-09-24 | 3 | 40°11'N / 85°13'W | 40°12'N / 84°49'W | 20.90 Miles | 33 Yards | 0 | 0 | 250K | 0 | Randolph |
| 23.7 | 1967-05-28 | 2 | 39°54'N / 84°57'W | 0.50 Mile | 33 Yards | 0 | 0 | 25K | 0 | Wayne | |
| 24.7 | 1955-03-11 | 2 | 40°18'N / 85°02'W | 0 | 0 | 25K | 0 | Randolph | |||
| 24.9 | 1961-07-28 | 3 | 40°16'N / 84°11'W | 0.50 Mile | 200 Yards | 0 | 22 | 250K | 0 | Shelby | |
| 25.3 | 1974-04-03 | 4 | 40°18'N / 85°03'W | 40°19'N / 85°02'W | 0 | 0 | 0K | 0 | Jay | ||
| 26.8 | 1961-04-25 | 4 | 39°45'N / 84°48'W | 39°45'N / 84°37'W | 9.50 Miles | 77 Yards | 0 | 0 | 2.5M | 0 | Preble |
| 27.1 | 1965-04-11 | 4 | 40°21'N / 84°23'W | 40°23'N / 84°02'W | 18.40 Miles | 300 Yards | 3 | 50 | 2.5M | 0 | Shelby |
| 27.4 | 1959-05-22 | 2 | 39°54'N / 84°12'W | 0 | 0 | 3K | 0 | Miami | |||
| 27.5 | 1953-06-13 | 2 | 39°44'N / 84°38'W | 0 | 0 | 25K | 0 | Preble | |||
| 27.7 | 1967-02-15 | 2 | 40°03'N / 85°08'W | 0.50 Mile | 10 Yards | 0 | 0 | 3K | 0 | Randolph | |
| 27.9 | 1974-04-03 | 4 | 40°06'N / 85°14'W | 40°18'N / 85°03'W | 16.70 Miles | 1400 Yards | 1 | 12 | 0K | 0 | Randolph |
| 28.3 | 1981-06-08 | 2 | 40°17'N / 84°09'W | 40°18'N / 84°06'W | 1.30 Miles | 200 Yards | 0 | 2 | 250K | 0 | Shelby |
| 29.6 | 1961-04-25 | 4 | 39°44'N / 84°54'W | 39°45'N / 84°48'W | 5.10 Miles | 550 Yards | 0 | 3 | 2.5M | 0 | Wayne |
| 30.0 | 1992-11-22 | 2 | 39°43'N / 84°50'W | 39°44'N / 84°48'W | 1.00 Mile | 200 Yards | 0 | 0 | 2.5M | 0 | Wayne |
| 30.9 | 1956-04-03 | 2 | 39°44'N / 84°53'W | 0 | 0 | 250K | 0 | Wayne | |||
| 31.5 | 1957-04-05 | 2 | 40°22'N / 85°08'W | 0 | 0 | 3K | 0 | Jay | |||
| 31.6 | 1980-04-08 | 2 | 40°19'N / 85°14'W | 40°21'N / 85°05'W | 7.90 Miles | 87 Yards | 0 | 0 | 250K | 0 | Jay |
| 31.7 | 1961-07-28 | 2 | 40°21'N / 85°09'W | 0 | 2 | 25K | 0 | Jay | |||
| 32.9 | 1974-04-03 | 4 | 40°05'N / 85°15'W | 40°06'N / 85°14'W | 0 | 0 | 0K | 0 | Delaware | ||
| 34.0 | 1974-04-03 | 4 | 40°03'N / 85°16'W | 40°05'N / 85°15'W | 1.30 Miles | 100 Yards | 0 | 0 | 25.0M | 0 | Henry |
| 34.2 | 1961-09-24 | 3 | 40°08'N / 85°19'W | 40°11'N / 85°13'W | 5.70 Miles | 33 Yards | 0 | 0 | 250K | 0 | Shelby |
| 36.1 | 1992-11-22 | 2 | 39°36'N / 84°59'W | 39°43'N / 84°50'W | 11.00 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Union |
| 38.4 | 1955-03-11 | 2 | 39°40'N / 85°02'W | 39°40'N / 85°00'W | 1.30 Miles | 847 Yards | 0 | 0 | 250K | 0 | Union |
| 39.2 | 1961-04-25 | 4 | 39°40'N / 85°18'W | 39°44'N / 84°54'W | 21.60 Miles | 550 Yards | 0 | 0 | 2.5M | 0 | Fayette |
| 39.5 | 1954-06-17 | 2 | 40°11'N / 85°22'W | 0 | 0 | 0K | 0 | Delaware | |||
| 40.2 | 1965-04-11 | 4 | 40°38'N / 85°03'W | 40°42'N / 84°48'W | 13.70 Miles | 33 Yards | 1 | 37 | 25.0M | 0 | Adams |
| 40.3 | 1965-11-26 | 3 | 40°06'N / 85°23'W | 0.50 Mile | 33 Yards | 0 | 0 | 250K | 0 | Delaware | |
| 40.4 | 1957-04-05 | 2 | 40°11'N / 85°23'W | 0 | 0 | 25K | 0 | Delaware | |||
| 40.6 | 1992-07-12 | 2 | 40°41'N / 84°45'W | 40°44'N / 84°48'W | 3.00 Miles | 73 Yards | 0 | 0 | 250K | 0 | Mercer |
| 40.9 | 1969-05-08 | 3 | 39°40'N / 84°08'W | 39°42'N / 84°06'W | 1.90 Miles | 150 Yards | 0 | 25 | 2.5M | 0 | Montgomery |
| 40.9 | 1965-04-11 | 4 | 40°42'N / 84°48'W | 40°44'N / 84°42'W | 5.10 Miles | 33 Yards | 2 | 24 | 2.5M | 0 | Mercer |
| 41.3 | 1962-06-18 | 3 | 39°55'N / 85°21'W | 0 | 0 | 250K | 0 | Henry | |||
| 41.6 | 2002-11-10 | 3 | 40°40'N / 84°55'W | 40°44'N / 84°51'W | 5.00 Miles | 200 Yards | 0 | 0 | 125K | 0 | Adams |
| Brief Description: This tornado touched down 2 miles northeast of Berne and moved just northeast of Salem before lifting. An NWS ground survey found F3 damage at times 200 yards wide northeast of Berne. Much of the damage was to extremely well built Amish barns and homes. A mobile home was also destroyed near Salem. | |||||||||||
| 41.6 | 1992-02-18 | 4 | 40°44'N / 84°34'W | 2.80 Miles | 40 Yards | 0 | 6 | 2.5M | 0 | Van Wert | |
| 42.8 | 2010-10-26 | 2 | 40°37'N / 84°10'W | 40°39'N / 84°07'W | 3.00 Miles | 110 Yards | 0 | 0 | 230K | 0K | Auglaize |
| Brief Description: EVENT NARRATIVE: The tornado touched down in Auglaize County at 1059 EST and continued into Allen County at 1102 EST before lifting at 1103 EST. The path width was 110 yards in Auglaize County and 20 yards in Allen County. The tornado traveled for 2.53 miles in Auglaize County and then 1.39 miles in Allen County. The damage was consistent with winds around 110 miles per hour in Auglaize County and 75 miles per hour in Allen County. The tornado was rated an EF2 in Auglaize County and an EF0 in Allen County. The tornado initially touched down southwest of Cridersville where the tornado destroyed a barn. The tornado briefly lifted and then touched down in Cridersville. Damage in Cridersville included roofs blown off of houses, a house shifted off of the foundation, a house with major structural damage, and a half collapsed brick gymnasium. Objects were also impaled into the side of buildings. The tornado again briefly lifted and then touched down again in Allen County near McClain Road, north of Hume Road. At this location a quarter of a metal roof was pulled off of a metal barn. Damage estimates in Auglaize County are 230,000 dollars and in Allen County damage estimates are 8,000 dollars. EPISODE NARRATIVE: A historically deep low pressure system sent a very strong cold front into a marginally unstable, but very sheared environment. A line of storms formed west of the area overnight and moved into the region during the peak heating hours of the day. Severe wind gusts occurred along the entire line with multiple tornadoes occurring around the region as well. | |||||||||||
| 42.9 | 1965-04-11 | 4 | 40°44'N / 84°42'W | 40°46'N / 84°23'W | 16.50 Miles | 33 Yards | 0 | 4 | 250K | 0 | Van Wert |
| 42.9 | 1961-09-24 | 3 | 40°07'N / 85°33'W | 40°08'N / 85°19'W | 12.00 Miles | 33 Yards | 0 | 1 | 250K | 0 | Delaware |
| 43.0 | 1954-03-19 | 2 | 39°39'N / 85°08'W | 0 | 0 | 25K | 0 | Fayette | |||
| 43.2 | 1980-04-08 | 2 | 39°32'N / 84°23'W | 2.00 Miles | 100 Yards | 0 | 10 | 2.5M | 0 | Butler | |
| 43.2 | 1955-03-11 | 2 | 39°40'N / 85°18'W | 39°40'N / 85°02'W | 14.10 Miles | 880 Yards | 0 | 3 | 250K | 0 | Fayette |
| 43.2 | 2006-03-31 | 2 | 40°45'N / 84°37'W | 40°46'N / 84°35'W | 2.00 Miles | 300 Yards | 0 | 0 | 1.0M | 0 | Van Wert |
| Brief Description: The tornado was likely produced as the result of a line of thunderstorms overtaking an isolated supercell thunderstorm ahead of the line. The circulation which produced the tornado intensified shortly after the merger of the line and isolated supercell. The tornado developed near the intersection of Burris Road and Walnut Grove Church Road about 1 mile south of Ohio City. The tornado tracked to the east-northeast for roughly 2 miles before dissipating near Greenville Rd about 2 miles east of Ohio City. Damage along the first half of the tornado track was consistent with F2 intensity, with winds estimated at 140-150 mph and an initial path width of about 300 yards. In this area, 3 barns were completely destroyed, with another 5 sustaining damage. A garage was destroyed, and several houses received damage including roof, siding, and windows. Several grain bins were also damaged, along with other miscellaneous vehicle and property damage, including several tractors, a combine and other farm implements. Damage along the second half of the tornado track was consistent with F1 intensity, with the path width narrowing to about 25 yards. Several buildings sustained roof, siding, and window damage, with several instances of trailer and vehicle damage. | |||||||||||
| 43.6 | 1971-05-24 | 3 | 40°29'N / 83°56'W | 1.00 Mile | 150 Yards | 0 | 0 | 25K | 0 | Logan | |
| 43.8 | 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 |
| 44.1 | 1965-04-11 | 4 | 40°34'N / 85°20'W | 40°38'N / 85°03'W | 15.30 Miles | 33 Yards | 1 | 38 | 25.0M | 0 | Wells |
| 45.4 | 1970-05-14 | 2 | 40°17'N / 83°47'W | 3.00 Miles | 350 Yards | 0 | 0 | 250K | 0 | Logan | |
| 45.4 | 1990-05-04 | 2 | 39°30'N / 84°23'W | 0.20 Mile | 150 Yards | 1 | 5 | 250K | 0 | Butler | |
| 45.4 | 1966-10-09 | 2 | 39°42'N / 84°02'W | 39°41'N / 83°56'W | 4.90 Miles | 100 Yards | 0 | 3 | 250K | 0 | Greene |
| 45.6 | 1986-03-10 | 2 | 39°49'N / 85°26'W | 39°53'N / 85°22'W | 4.00 Miles | 300 Yards | 0 | 0 | 250K | 0 | Henry |
| 45.8 | 1998-06-11 | 2 | 40°01'N / 85°30'W | 39°58'N / 85°26'W | 5.50 Miles | 200 Yards | 0 | 0 | 5K | 0 | Henry |
| Brief Description: Second tornado from supercell began in NC Hancock County and tracked ENE into extreme SE Madison County and then ended in NW Henry county NW of New Castle. This tornado traversed mainly open country causing mostly tree damageon farms along the path. This same supercell will produce two more tornadoes further east in Henry and Randolph Counties. These tornadoes will be described below. | |||||||||||
| 46.1 | 1960-06-30 | 2 | 39°30'N / 84°54'W | 0 | 0 | 3K | 0 | Franklin | |||
| 46.2 | 1963-04-19 | 2 | 39°49'N / 83°51'W | 0 | 0 | 250K | 0 | Greene | |||
| 46.7 | 1950-07-19 | 2 | 40°48'N / 84°37'W | 40°49'N / 84°35'W | 0 | 0 | 0K | 0 | Van Wert | ||
| 47.4 | 2002-09-20 | 2 | 40°17'N / 85°32'W | 40°22'N / 85°26'W | 11.00 Miles | 100 Yards | 0 | 0 | 3.0M | 15K | Delaware |
| Brief Description: One of Indiana's longest tracking tornados formed along a squall line on the morning of September 20. The tornado touched down near Ellettsville in Monroe county and then remained on the ground for 112 miles before lifting in Blackford county. The tornado produced F3 damage at its strongest points. Nearly 100 single family homes were destroyed, along with several mobile homes. Some apartments were also destroyed. Many businesses and hundreds of homes received damage. Several counties were declared disaster areas. | |||||||||||
| 47.4 | 2000-09-20 | 4 | 39°39'N / 83°59'W | 39°44'N / 83°53'W | 9.00 Miles | 500 Yards | 1 | 100 | 15.0M | 0 | Greene |
| Brief Description: A violent tornado that moved at 65 mph hit the town of Xenia for the second time in 26 years damaging some of the same areas that were hit in 1974. Along the path of the tornado, around 250 homes were either damaged or destroyed, over 40 businesses were damaged or destroyed including the local Wal Mart, Kroger, and Tire Discounters, and 6 churches were damaged. A strip mall was nearly destroyed, cars were thrown from the Highway 35 bypass into ditches, 4 semi-trailers were thrown up to 400 yards, and most of the buildings were damaged or destroyed at the Greene county fairgrounds. In Sugarcreek Township, which is to the southwest of Xenia, an additional 14 houses and 3 barns were damaged and some crops were destroyed on a narrow path. Over 10,000 residents were without power for at least 1 day. M63VE | |||||||||||
| 47.4 | 1968-04-14 | 2 | 40°22'N / 85°28'W | 0 | 0 | 3K | 0 | Delaware | |||
| 47.5 | 1958-06-08 | 2 | 39°45'N / 85°22'W | 0 | 0 | 250K | 0 | Henry | |||
| 47.7 | 1957-04-05 | 2 | 40°03'N / 85°31'W | 0 | 1 | 25K | 0 | Henry | |||
| 47.7 | 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 |
| 47.9 | 1966-06-15 | 2 | 40°25'N / 85°27'W | 0 | 0 | 25K | 0 | Grant | |||
| 48.1 | 1989-04-25 | 2 | 39°41'N / 83°56'W | 39°45'N / 83°51'W | 5.00 Miles | 123 Yards | 0 | 16 | 2.5M | 0 | Greene |
| 48.2 | 2002-09-20 | 2 | 40°02'N / 85°31'W | 40°03'N / 85°32'W | 6.00 Miles | 100 Yards | 0 | 0 | 2.0M | 10K | Henry |
| Brief Description: A tornado formed along a squall line. Ten single family homes sustained major damage. As the tornado passed through a trailer park, 30 trailer homes sustained major damage. | |||||||||||
| 48.5 | 1963-03-19 | 2 | 39°35'N / 85°14'W | 39°37'N / 85°12'W | 2.30 Miles | 100 Yards | 0 | 0 | 25K | 0 | Fayette |
| 48.6 | 1960-09-19 | 3 | 39°38'N / 85°16'W | 0.10 Mile | 100 Yards | 0 | 0 | 250K | 0 | Fayette | |
| 48.7 | 1965-04-11 | 4 | 40°33'N / 85°23'W | 40°34'N / 85°20'W | 1.90 Miles | 33 Yards | 0 | 22 | 25.0M | 0 | Blackford |
| 48.8 | 1974-04-03 | 5 | 39°38'N / 84°03'W | 39°47'N / 83°43'W | 20.40 Miles | 533 Yards | 36 | 1150 | 250.0M | 0 | Greene |
| 49.2 | 1965-11-26 | 3 | 39°53'N / 85°31'W | 39°53'N / 85°28'W | 1.90 Miles | 33 Yards | 0 | 0 | 250K | 0 | Decatur |
* 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.