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Salem Metro Area Natural Disasters and Weather Extremes

 

The chance of earthquake damage in Salem Area is about the same as Oregon average and is lower than the national average. The risk of tornado damage in Salem Area is about the same as Oregon average and is much lower than the national average.

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

Earthquake Index, #170

Salem Area
0.44
Oregon
0.62
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, #12

Salem Area
0.0660
Oregon
0.0291
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, #801

Salem Area
13.55
Oregon
8.38
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 745 other weather extremes events within 50 miles of Salem Area were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:0Dense Fog:0Drought:1
Dust Storm:0Flood:142Hail:135Heat:0Heavy Snow:5
High Surf:0Hurricane:0Ice Storm:0Landslide:0Strong Wind:29
Thunderstorm Winds:98Tropical Storm:0Wildfire:24Winter Storm:0Winter Weather:0
Other:311 

Volcanos Nearby

A total of 18 volcanoes are found in or near Salem Area.

Distance (miles)NameRegionLatitudeLongitudeElevation (foot)TypeStatusLast Eruption
55.9JeffersonUS-Oregon, United States44.692-121.83199StratovolcanoVarve CountLast known eruption A.D. 1-1499
59.9Sand Mountain FieldUS-Oregon, United States44.38-121.931664Cinder coneRadiocarbonLast known eruption B.C. (Holocene)
64.8Blue Lake CraterUS-Oregon, United States44.42-121.771230MaarRadiocarbonLast known eruption B.C. (Holocene)
65.5WashingtonUS-Oregon, United States44.332-121.8372376Shield volcanoRadiocarbonLast known eruption A.D. 1-1499
67.2HoodUS-Oregon, United States45.374-121.6943426StratovolcanoHistoricalLast known eruption 1800-1899
67.4BelknapUS-Oregon, United States44.285-121.8412095Shield volcanoRadiocarbonLast known eruption A.D. 1-1499
75.3North Sister FieldUS-Oregon, United States44.17-121.773074Complex volcanoRadiocarbonLast known eruption A.D. 1-1499
78.3West CraterUS-Washington, United States45.88-122.081329Volcanic fieldRadiocarbonLast known eruption B.C. (Holocene)
78.6South SisterUS-Oregon, United States44.1-121.773157Complex volcanoRadiocarbonLast known eruption B.C. (Holocene)
87.5BachelorUS-Oregon, United States43.979-121.6882763StratovolcanoTephrochronologyLast known eruption B.C. (Holocene)
88.2Indian HeavenUS-Washington, United States45.93-121.821513Shield volcanoRadiocarbonLast known eruption B.C. (Holocene)
96.1St. HelensUS-Washington, United States46.2-122.182549StratovolcanoHistoricalLast known eruption 1964 or later
106.5Davis LakeUS-Oregon, United States43.57-121.822163Volcanic fieldRadiocarbonLast known eruption B.C. (Holocene)
112.9AdamsUS-Washington, United States46.206-121.493742StratovolcanoTephrochronologyLast known eruption A.D. 1-1499
116.1Newberry VolcanoUS-Oregon, United States43.722-121.2292434Shield volcanoRadiocarbonLast known eruption A.D. 1-1499
121.3Cinnamon ButteUS-Oregon, United States43.241-122.1081956Cinder coneHoloceneUnknown
139.4Devils GardenUS-Oregon, United States43.512-120.8611698Volcanic fieldHoloceneUnknown
145.2Squaw Ridge FieldUS-Oregon, United States43.472-120.7541711Volcanic fieldHoloceneUnknown

Historical Earthquake Events

A total of 2 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Salem Area.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
29.31963-03-074.6N/A44.9-123.5
24.21961-08-194.5N/A44.7-122.5

Historical Tornado Events

A total of 2 historical tornado events that had recorded magnitude of 2 or above found in or near Salem Area.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
5.22010-12-14244°50'N / 122°52'W44°51'N / 122°49'W5.00 Miles150 Yards021.2M0KMarion
 Brief Description: EVENT NARRATIVE: On December 14th at 11:40 AM PST, a tornado with an Enhanced Fujita Scale rating of EF2 moved northeast across the community of Aumsville, Oregon. The estimated length of the tornado path was 5 miles with a width of 150 yards. There were two minor injuries, fifty structures damaged, more than thirty large trees blown down or snapped off, five sheds damaged and two semi-trailers tipped over. The estimated value of the damage was $1.2 million. EPISODE NARRATIVE: A strong cold pool of air aloft produced a very unstable airmass over western Oregon. A vigorous low pressure center was just off the Washington Coast with a surface trough moving through western Oregon. This trough served as a focus for thunderstorms during the day. One of these thunderstorms produced a tornado that wreaked havoc on the community of Aumsville.
49.81972-04-05345°36'N / 122°38'W45°36'N / 122°38'W00250K0Multnomah


* 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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