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Idaho Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Idaho is lower than the national average. The risk of tornado damage in Idaho is much lower than the national average.

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

Earthquake Index, #13

Idaho
0.74
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, #7

Idaho
0.0087
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, #45

Idaho
10.98
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 4,335 other weather extremes events from 1950 to 2010 were recorded in Idaho. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:26Blizzard:28Cold:32Dense Fog:69Drought:14
Dust Storm:7Flood:285Hail:740Heat:2Heavy Snow:912
High Surf:0Hurricane:0Ice Storm:1Landslide:3Strong Wind:241
Thunderstorm Winds:1,241Tropical Storm:0Wildfire:149Winter Storm:149Winter Weather:20
Other:416 

Volcanos Nearby

A total of 9 volcanoes are found in or near Idaho.

NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
Craters of the MoonUS-Idaho, United States43.42-113.52005Cinder coneRadiocarbonLast known eruption B.C. (Holocene)
Shoshone Lava FieldUS-Idaho, United States43.07-114.431525Cinder coneHoloceneUnknown
Wapi Lava FieldUS-Idaho, United States42.88-113.221604Shield volcanoRadiocarbonLast known eruption B.C. (Holocene)
Hell's Half AcreUS-Idaho, United States43.5-112.451631Shield volcanoRadiocarbonLast known eruption B.C. (Holocene)
Jordan CratersUS-Oregon, United States43.03-117.421473Volcanic fieldHoloceneUndated, but probable Holocene eruption
Saddle ButteUS-Oregon, United States43-117.81700Volcanic fieldHoloceneUnknown
Jackies ButteUS-Oregon, United States42.606-117.5891420Volcanic fieldHoloceneUnknown
YellowstoneUS-Wyoming, United States44.43-110.672805CalderaTephrochronologyLast known eruption B.C. (Holocene)
Diamond CratersUS-Oregon, United States43.1-118.751435Volcanic fieldHoloceneUnknown

Historical Earthquake Events

A total of 92 historical earthquake events that had recorded magnitudes of 3.5 or above found in Idaho.

DateMagnitudeDepth (km)LatitudeLongitude
1983-10-287.31443.97-113.92
1944-07-126.1N/A44.5-115.5
1975-03-286.1N/A42.06-112.55
1945-02-146N/A44.7-115.4
1983-10-285.81344.04-113.92
1983-10-295.81344.23-114.05
1984-08-225.81044.47-114.01
1983-10-295.51244.26-114.06
1978-10-295544.96-114.27
1984-09-0851044.44-114.15
1982-10-144.9742.59-111.43
1963-09-114.9N/A44.4-114.7
1969-04-264.9N/A44.2-114.5
1985-02-064.81044.55-114.18
1975-03-294.7N/A42.02-112.52
1985-03-174.71044.55-114.18
1978-11-304.7442.11-112.49
1973-04-144.72442.1-112.5
1983-12-284.61144.28-114.09
1969-05-054.6N/A44.1-114.5
1984-01-244.61044.05-114.44
1983-11-064.61144.14-113.96
1977-11-274.5544.58-116.27
1983-12-154.51044.37-114.14
1984-03-024.51044.35-114.19
1983-12-124.5744.41-114.09
1985-02-064.41044.49-114.34
1975-03-274.4N/A42.07-112.55
1983-12-274.4944.26-114.07
1983-02-084.4743.3-111.19
1984-09-134.41044.43-114.15
1985-02-074.41044.42-114.18
1984-08-304.41044.46-114.15
1976-07-264.41045.02-114.18
1972-11-244.43342.5-111.2
1963-09-124.4N/A44.3-114.7
1983-12-174.31044.24-114.08
1983-02-284.3544.38-115.45
1984-09-054.31044.42-114.18
1984-09-044.31044.45-114.11
1978-10-244.3742.55-111.84
1984-02-054.31044.28-114.13
1983-12-134.31044.24-114.07
1983-12-294.3N/A44.42-114.06
1963-09-144.3N/A44.3-114.8
1985-10-294.3544.39-114.07
1984-03-244.31044.74-114.43
1984-09-084.21044.42-114.15
1985-02-114.21044.46-114.23
1983-12-214.21044.13-114.03
1963-09-114.2N/A44.3-114.7
1963-09-164.2N/A44.3-114.7
1984-08-304.21044.45-114.13
1984-10-304.21044.43-114.11
1981-12-094.1742.63-111.43
1984-04-114.11044.77-114.47
1982-08-104.1544.62-114.4
1963-09-094.1N/A44.4-114.7
1982-09-304.1542.64-111.46
1984-09-1841044.41-114.12
1963-09-144N/A44.4-114.7
1985-07-024543.26-111.15
1977-05-284544.42-111.43
1983-09-094544.58-115.67
1985-02-063.91044.35-114.42
1981-09-303.9742.54-111.22
1976-11-013.9544.26-114.97
1963-09-143.9N/A44.3-114.6
1978-12-203.9642.12-112.49
1963-10-153.9N/A44.3-114.8
1981-04-153.8544.4-111.29
1978-03-073.8544.3-110.92
1985-04-303.8544.59-111.27
1963-09-143.8N/A44.3-114.8
1983-11-193.8542.06-112.5
1984-03-243.81044.73-114.44
1978-11-203.7544-114.41
1979-06-033.7542.51-111.36
1985-01-183.71044.7-114.15
1982-06-083.7544.59-115.15
1983-12-113.6642.35-111.57
1963-09-123.6N/A44.4-114.8
1978-04-033.6544.05-116.36
1964-04-173.6N/A44.1-114.3
1969-04-223.6N/A44.2-114.6
1971-07-163.6542.2-111.4
1976-05-143.6742.12-112.48
1978-11-303.5442.11-112.55
1982-10-083.5742.62-111.47
1983-03-293.5544.79-116.88
1963-10-073.5N/A44.8-114.4
1966-02-113.5N/A42.1-111.4

Historical Tornado Events

A total of 10 historical tornado events that had recorded magnitude of 2 or above found in Idaho.

DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
1959-09-26243°54'N / 111°54'W1.00 Mile33 Yards0025K0Madison
1962-05-08246°24'N / 116°48'W46°24'N / 116°36'W9.10 Miles33 Yards0025K0Nez Perce
1968-09-11242°42'N / 113°54'W0.50 Mile440 Yards000K0Minidoka
1978-04-07243°30'N / 112°02'W1.50 Miles73 Yards012.5M0Bonneville
1990-06-09242°44'N / 114°29'W0.20 Mile10 Yards0025K0Jerome
1990-08-17242°47'N / 112°50'W42°50'N / 112°46'W4.00 Miles100 Yards00250K0Power
1991-04-09248°11'N / 116°54'W1.00 Mile100 Yards00250K0Bonner
1991-05-18242°37'N / 113°40'W0.20 Mile50 Yards00250K0Minidoka
1997-05-31247°52'N / 116°35'W47°56'N / 116°37'W5.00 Miles50 Yards0050K0Kootenai
 Brief Description: nws survey team concluded f2 tornado touched down and caused damage to old growth trees
2006-06-04245°02'N / 116°43'W45°09'N / 116°31'W12.00 Miles1760 Yards01100K0Adams
 Brief Description: F2 Tornado started at 2 miles west of Bear and moved to 12 miles north east of Bear. Extensive forest damage but minimal structural damage to homes. 1 pickup truck destroyed. Trees down in camp site detroyed tents and camping gear. Injury to one individual with a broken collar bone.


* 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.


 
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