Marietta-Alderwood, WA Natural Disasters and Weather Extremes
The chance of earthquake damage in Marietta-Alderwood is much lower than Washington average and is higher than the national average. The risk of tornado damage in Marietta-Alderwood is about the same as Washington average and is much lower than the national average.
Earthquake Index, #277
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, #190
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, #655
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 31 other weather extremes events within 50 miles of Marietta-Alderwood, WA were recorded from 1950 to 2010. The following is a break down of these events:
|Dust Storm:||0||Flood:||8||Hail:||0||Heat:||0||Heavy Snow:||2|
|High Surf:||0||Hurricane:||0||Ice Storm:||0||Landslide:||0||Strong Wind:||5|
|Thunderstorm Winds:||3||Tropical Storm:||0||Wildfire:||0||Winter Storm:||0||Winter Weather:||0|
A total of 4 volcanoes are found in or near Marietta-Alderwood, WA.
|Distance (miles)||Name||Region||Latitude||Longitude||Elevation (foot)||Type||Status||Last Eruption|
|33.4||Baker||US-Washington, United States||48.786||-121.82||3285||Stratovolcano||Historical||Last known eruption 1800-1899|
|76.0||Garibaldi, Mt.||Canada, Canada||49.85||-123||2678||Stratovolcano||Radiocarbon||Last known eruption B.C. (Holocene)|
|80.9||Glacier Peak||US-Washington, United States||48.112||-121.113||3213||Stratovolcano||Tephrochronology||Last known eruption 1700-1799|
|81.0||Garibaldi Lake||Canada, Canada||49.92||-123.03||2316||Volcanic field||Holocene||Undated, but probable Holocene eruption|
Historical Earthquake Events
A total of 14 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Marietta-Alderwood, WA.
|Distance (miles)||Date||Magnitude||Depth (km)||Latitude||Longitude|
Historical Tornado Events
A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Marietta-Alderwood, WA.
|Distance (miles)||Date||Magnitude||Start Lat/Log||End Lat/Log||Length||Width||Fatalities||Injuries||Property Damage||Crop Damage||Affected County|
|45.7||1986-05-13||2||48°13'N / 122°03'W||0.30 Mile||33 Yards||0||0||0K||0||Snohomish|
* 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.