Local Data Search

 
USA.com / Minnesota / Rock County / Natural Disasters and Weather Extremes

Rock County Natural Disasters and Weather Extremes

 
Hot Minnesota Rankings
Fastest / Slowest Growing Counties in MN
Richest / Poorest Counties by Income in MN
Expensive / Cheapest Homes by County in MN
Most / Least Educated Counties in MN
Fastest / Slowest Growing Cities in MN
High / Low MN Cities by Males Employed
High / Low MN Cities by Females Employed
Best / Worst Cities by Crime Rate in MN
Richest / Poorest Cities by Income in MN
Expensive / Cheapest Homes by City in MN
Most / Least Educated Cities in MN

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

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #8

Rock County
0.03
Minnesota
0.01
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

Rock County
0.0000
Minnesota
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, #16

Rock County
188.54
Minnesota
135.90
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 11,816 other weather extremes events within 50 miles of Rock County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:104Cold:31Dense Fog:2Drought:19
Dust Storm:0Flood:837Hail:5,812Heat:12Heavy Snow:99
High Surf:0Hurricane:0Ice Storm:18Landslide:0Strong Wind:135
Thunderstorm Winds:4,163Tropical Storm:0Wildfire:3Winter Storm:141Winter Weather:147
Other:293 

Volcanos Nearby

No volcano is found in or near Rock 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 Rock County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
32.71982-07-113.6544.01-96.72

Historical Tornado Events

A total of 71 historical tornado events that had recorded magnitude of 2 or above found in or near Rock County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.41956-06-29243°44'N / 96°16'W000K0Rock
9.51969-06-25243°40'N / 96°25'W43°51'N / 96°24'W12.30 Miles120 Yards05250K0Rock
12.02000-07-25243°38'N / 96°03'W43°40'N / 96°00'W3.00 Miles200 Yards00150K0Nobles
 Brief Description: A tornado damaged buildings, vehicles, and trees on a farm. The tornado destroyed the west side of the house, blew three grain bins away and wrapped them around trees. The tornado also blew the top of a barn off, killing at least 4 calves inside.
15.21978-07-06243°28'N / 96°24'W43°26'N / 96°07'W14.20 Miles200 Yards002.5M0Lyon
16.01993-05-07243°28'N / 96°29'W43°31'N / 96°27'W1.50 Miles70 Yards00500K0Lyon
 Brief Description: Border Crosser, went into Minnehaha County, SD at 1500CST. Intense thunderstorms developed ahead of an approaching cold front. This line was the first wave of storms to form. The bulk of the severe weather passed to the west and north of Iowa. One very large cell formed over the northwest corner of the state. It produced a tornado northwest of Larchwood, in the northwest corner of Lyon County. Buildings were damaged on three farms. A total of 10 buildings were destroyed as well as two silos. On one of the farms, the owner watched as a 1500 pound fertilizer tank was lifted 50 feet into the air and blew past his window. Total damage to the three farmsteads affected amounted to about $200,000. The only injury that occurred was to a bull on one of the farms. The bull sustained a broken leg. The tornado passed into southeast South Dakota shortly after this damage occurred. It was a border crossing tornado.
16.61992-06-16543°48'N / 96°01'W43°51'N / 96°00'W3.00 Miles280 Yards0025.0M0Nobles
17.51998-03-29243°47'N / 95°57'W43°47'N / 95°57'W0.10 Mile75 Yards00400K0Nobles
 Brief Description: A tornado destroyed buildings...trees in shelter belts...and numerous pieces of farm equipment...and killed two cattle.
18.61985-04-20343°54'N / 96°06'W43°55'N / 96°05'W0.80 Mile250 Yards002.5M0Pipestone
19.11986-04-26243°21'N / 96°23'W43°27'N / 96°19'W9.50 Miles70 Yards002.5M0Lyon
20.21998-03-29243°48'N / 95°54'W43°48'N / 95°54'W0.10 Mile75 Yards00200K0Nobles
 Brief Description: A tornado destroyed farm buildings...uprooted numerous trees...and overturned a tractor trailer.
21.51986-04-26243°24'N / 96°02'W43°28'N / 95°56'W8.50 Miles120 Yards122.5M0Lyon
22.01969-06-25243°51'N / 96°24'W44°06'N / 96°23'W17.00 Miles120 Yards00250K0Pipestone
22.21986-04-26243°28'N / 95°56'W43°35'N / 95°48'W10.00 Miles40 Yards022.5M0Nobles
23.31985-04-20343°55'N / 96°05'W44°01'N / 96°00'W7.20 Miles250 Yards022.5M0Murray
23.81992-06-16243°55'N / 95°59'W43°56'N / 95°54'W4.00 Miles40 Yards000K0Murray
24.41992-06-16543°51'N / 96°00'W44°00'N / 95°51'W13.00 Miles280 Yards13525.0M0Murray
24.72008-06-05243°43'N / 96°46'W43°45'N / 96°44'W3.00 Miles100 Yards000K0KMinnehaha
 Brief Description: EVENT NARRATIVE: A tornado caused damage to silos, farm buildings, power lines, and numerous trees. EPISODE NARRATIVE: Thunderstorms produced numerous events of tornadoes, large hail and damaging winds over southeast South Dakota from late morning through the evening of June 5th. The thunderstorms also produced heavy rain which resulted in flash flooding at several locations.
24.71954-06-19343°29'N / 96°43'W43°30'N / 96°40'W003K0Lincoln
24.81977-05-27243°28'N / 95°48'W43°37'N / 95°48'W10.30 Miles60 Yards00250K0Nobles
25.22010-06-25243°26'N / 95°57'W43°24'N / 95°51'W5.00 Miles450 Yards00500K0KLyon
 Brief Description: EVENT NARRATIVE: A tornado destroyed two hog confinement buildings, killing about 12 hogs, numerous outbuildings, a metal farm building, tore the roof off a house and damaged at least 6 other houses, and caused damage to other farm buildings, power lines, vehicles, and trees, before moving out of Lyon County and into Osceola County. EPISODE NARRATIVE: Thunderstorms produced tornadoes, one that caused considerable damage and at least two injuries along a 14 mile path, along with damaging winds, in northwest Iowa during the evening of June 25th.
25.21956-05-10243°37'N / 95°48'W43°42'N / 95°43'W6.50 Miles880 Yards00250K0Nobles
25.31987-07-11243°50'N / 96°44'W43°50'N / 96°42'W5.00 Miles100 Yards0025K0Minnehaha
26.51956-08-08243°33'N / 96°46'W000K0Minnehaha
27.81954-06-19243°17'N / 96°18'W43°15'N / 96°15'W2.30 Miles880 Yards0025K0Lyon
28.11992-06-16443°57'N / 95°54'W44°03'N / 95°58'W7.00 Miles160 Yards0325.0M0Murray
28.71964-06-22243°29'N / 96°50'W43°38'N / 96°48'W10.00 Miles33 Yards0025K0Lincoln
30.91965-05-08243°46'N / 96°49'W43°49'N / 96°54'W4.50 Miles10 Yards0025K0Clay
31.11986-04-26243°18'N / 96°40'W43°24'N / 96°44'W5.00 Miles40 Yards00250K0Lincoln
31.42010-06-25443°24'N / 95°51'W43°22'N / 95°42'W8.00 Miles800 Yards0133.0M0KOsceola
 Brief Description: EVENT NARRATIVE: A tornado destroyed at least two houses, injuring two people in one of them. the tornado also destroyed several garages and severely damaged several other homes, destroyed at least 4 hog confinement buildings, several barns and silos, and numerous outbuildings. The tornado destroyed three vehicles that had been parked under an Iowa Highway 60 overpass, injuring 11 people in the vehicles, and removing the engine from one of the vehicles. The tornado damaged power lines, causing power outages, and caused damage to trees and crops. The tornado also destroyed a shelter belt and severely damaged heavy farm equipment, removing the wheels from some of the vehicles. Much of the damage occurred a short distance west to south of the town of Sibley. EPISODE NARRATIVE: Thunderstorms produced tornadoes, one that caused considerable damage and at least two injuries along a 14 mile path, along with damaging winds, in northwest Iowa during the evening of June 25th.
32.91992-06-16243°59'N / 95°46'W0.50 Mile30 Yards000K0Murray
33.01992-06-16243°47'N / 96°56'W43°51'N / 96°51'W5.00 Miles50 Yards002.5M0Minnehaha
33.11982-06-06243°24'N / 95°43'W2.00 Miles67 Yards002.5M0Osceola
33.22008-05-01243°08'N / 96°18'W43°15'N / 96°22'W9.00 Miles400 Yards000.5M0KSioux
 Brief Description: EVENT NARRATIVE: A tornado damaged numerous trees, including large trees uprooted, blew windows out of a home, destroyed a metal shed, blew two windows and part of a wall out of a metal building, damaged at least three grain bins, destroyed or damaged numerous outbuildings and small sheds, blew down or snapped off at least 15 power poles, bent a metal light pole, tipped one wagon and blew the top off another, blew down a barb wire fence and pushed fence posts almost to the ground, destroyed a hog barn, and flattened corn stubble, before crossing the county line into Lyon County. Contents inside several damaged or destroyed buildings and sheds were also damaged, especially on one farm where damaged buildings housed a farm and trucking business. EPISODE NARRATIVE: Thunderstorms produced 5 confirmed tornadoes over extreme northwest Iowa during the early evening hours of May 1st. One large long track tornado caused considerable damage, while the other 4 tornadoes were short lived and weak.
33.21956-06-29244°00'N / 96°53'W44°02'N / 96°34'W15.60 Miles33 Yards013K0Moody
35.81962-05-12243°32'N / 96°59'W43°41'N / 96°58'W10.10 Miles880 Yards0025K0Minnehaha
36.11992-08-09243°52'N / 96°56'W3.00 Miles250 Yards002.5M0Lake
37.81971-05-31343°13'N / 95°57'W43°30'N / 95°20'W36.50 Miles100 Yards000K0O'brien
38.21992-06-16244°00'N / 95°51'W44°09'N / 95°38'W13.00 Miles40 Yards000K0Murray
39.51992-06-16344°06'N / 95°49'W44°12'N / 95°51'W9.00 Miles80 Yards000K0Murray
39.51970-07-01243°09'N / 96°36'W43°08'N / 96°32'W2.30 Miles1320 Yards0025K0Lincoln
39.61981-06-13243°10'N / 95°53'W003K0Sioux
40.11956-06-29244°00'N / 96°58'W44°00'N / 96°53'W3.00 Miles33 Yards003K0Lake
41.31966-05-22243°24'N / 97°00'W003K0Turner
41.31965-05-05243°10'N / 95°29'W43°24'N / 95°47'W21.80 Miles33 Yards003K0O'brien
41.71966-06-02243°06'N / 96°24'W43°02'N / 96°11'W11.50 Miles300 Yards0025K0Sioux
42.11986-04-26243°16'N / 96°55'W43°15'N / 96°51'W6.00 Miles50 Yards002.5M0Lincoln
42.41981-06-14243°26'N / 95°33'W43°29'N / 95°23'W8.80 Miles1533 Yards002.5M0Osceola
42.81957-06-10243°51'N / 97°05'W000K0Lake
43.01968-06-13243°23'N / 95°30'W00250K0Osceola
43.11981-06-14243°25'N / 95°33'W43°27'N / 95°23'W8.30 Miles1533 Yards002.5M0Osceola
43.11971-05-31343°20'N / 95°32'W43°27'N / 95°27'W8.60 Miles250 Yards00250K0Osceola
43.31964-06-22243°07'N / 96°53'W43°21'N / 96°53'W16.10 Miles33 Yards000K0Lincoln
44.01986-04-26243°14'N / 96°56'W43°16'N / 96°55'W6.00 Miles50 Yards002.5M0Turner
44.22003-06-24243°14'N / 96°56'W43°19'N / 96°59'W7.00 Miles300 Yards00500K0Turner
 Brief Description: A tornado, after crossing into Turner County from Lincoln County, heavily damaged farm buildings, including one farm home demolished, and roof and window damage to at least two other farm homes. The tornado also caused an unknown amount of crop damage.
44.31970-07-14243°10'N / 96°48'W43°07'N / 96°44'W3.80 Miles33 Yards1125.0M0Lincoln
44.41968-06-13544°10'N / 95°45'W44°12'N / 95°42'W2.30 Miles150 Yards002.5M0Murray
44.71992-06-16344°12'N / 95°51'W44°14'N / 95°43'W3.00 Miles80 Yards000K0Lyon
45.01968-09-22343°01'N / 96°04'W43°04'N / 95°59'W4.70 Miles50 Yards002.5M0Sioux
45.41966-07-09243°26'N / 95°25'W1.00 Mile200 Yards0025K0Osceola
45.71987-07-07243°04'N / 96°37'W43°01'N / 96°29'W6.00 Miles50 Yards000K0Union
45.81979-08-08243°04'N / 95°53'W0.40 Mile100 Yards002.5M0Sioux
46.01964-05-08243°26'N / 95°26'W43°29'N / 95°21'W5.10 Miles200 Yards0025K0Osceola
46.81987-07-07243°01'N / 96°29'W43°00'N / 96°27'W2.00 Miles50 Yards00250K0Sioux
47.11970-06-15344°09'N / 96°57'W44°10'N / 96°54'W00250K0Lake
47.31955-04-19244°17'N / 96°09'W44°25'N / 96°09'W9.20 Miles80 Yards00250K0Lincoln
47.62003-06-24243°23'N / 97°08'W43°24'N / 97°08'W1.50 Miles200 Yards003.0M0Turner
 Brief Description: A tornado heavily damaged or destroyed numerous structures at the county fairgrounds, uprooted numerous trees, and blew down power lines, resulting in power outages which lasted up to a day. The tornado damaged other structures in Parker including homes and the county courthouse. One home was shifted off its foundation and received broken windows and damaged siding. Some of the damage resulted from falling trees or wind blown debris.
47.71978-07-05243°02'N / 96°15'W42°56'N / 96°03'W11.90 Miles200 Yards002.5M0Sioux
48.12000-07-11243°58'N / 97°10'W43°57'N / 97°07'W2.00 Miles100 Yards0050K0Lake
 Brief Description: A tornado destroyed storage sheds, lighting, fencing, and caused other damage at Lake County Speedway. The tornado also damaged crops over a small area.
49.31968-06-21244°24'N / 96°28'W44°22'N / 96°08'W16.40 Miles30 Yards010K0Lincoln
49.51992-06-16243°57'N / 95°26'W44°06'N / 95°22'W7.50 Miles90 Yards000K0Cottonwood
49.71968-06-13544°12'N / 95°42'W44°16'N / 95°35'W6.80 Miles150 Yards91502.5M0Lyon


* 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.


 
The USA.com website and domain are privately owned and are not operated by or affiliated with any government or municipal authority.
© 2018 World Media Group, LLC.