Stevenson-Carson School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Stevenson-Carson School District is much lower than Washington average and is lower than the national average. The risk of tornado damage in Stevenson-Carson School District is about the same as Washington average and is much lower than the national average.
Earthquake Index, #179
| Stevenson-Carson School District | 0.40 |
| Washington | 4.04 |
| 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
| Stevenson-Carson School District | 0.1439 |
| Washington | 0.0135 |
| 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, #146
| Stevenson-Carson School District | 7.64 |
| Washington | 9.06 |
| 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 198 other weather extremes events within 50 miles of Stevenson-Carson School District 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: | 0 | Cold: | 0 | Dense Fog: | 0 | Drought: | 0 |
| Dust Storm: | 0 | Flood: | 29 | Hail: | 26 | Heat: | 0 | Heavy Snow: | 3 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 7 |
| Thunderstorm Winds: | 34 | Tropical Storm: | 0 | Wildfire: | 6 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 93 | ||||||||
Volcanos Nearby
A total of 9 volcanoes are found in or near Stevenson-Carson School District.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 10.1 | Indian Heaven | US-Washington, United States | 45.93 | -121.82 | 1513 | Shield volcano | Radiocarbon | Last known eruption B.C. (Holocene) |
| 11.3 | West Crater | US-Washington, United States | 45.88 | -122.08 | 1329 | Volcanic field | Radiocarbon | Last known eruption B.C. (Holocene) |
| 30.2 | Hood | US-Oregon, United States | 45.374 | -121.694 | 3426 | Stratovolcano | Historical | Last known eruption 1800-1899 |
| 31.6 | St. Helens | US-Washington, United States | 46.2 | -122.18 | 2549 | Stratovolcano | Historical | Last known eruption 1964 or later |
| 34.3 | Adams | US-Washington, United States | 46.206 | -121.49 | 3742 | Stratovolcano | Tephrochronology | Last known eruption A.D. 1-1499 |
| 74.7 | Rainier | US-Washington, United States | 46.87 | -121.758 | 4392 | Stratovolcano | Dendrochronology | Last known eruption 1800-1899 |
| 76.0 | Jefferson | US-Oregon, United States | 44.692 | -121.8 | 3199 | Stratovolcano | Varve Count | Last known eruption A.D. 1-1499 |
| 94.8 | Blue Lake Crater | US-Oregon, United States | 44.42 | -121.77 | 1230 | Maar | Radiocarbon | Last known eruption B.C. (Holocene) |
| 97.5 | Sand Mountain Field | US-Oregon, United States | 44.38 | -121.93 | 1664 | Cinder cone | Radiocarbon | Last known eruption B.C. (Holocene) |
Historical Earthquake Events
A total of 11 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Stevenson-Carson School District.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 44.6 | 1964-10-01 | 5.3 | N/A | 45.7 | -122.8 |
| 42.2 | 1981-02-14 | 5.2 | 7 | 46.35 | -122.24 |
| 39.5 | 1962-11-06 | 4.8 | N/A | 45.63 | -122.67 |
| 32.4 | 1980-05-18 | 4.7 | 4 | 46.21 | -122.19 |
| 32.4 | 1980-05-27 | 4.7 | 4 | 46.21 | -122.19 |
| 43.9 | 1981-05-13 | 4.5 | 10 | 46.37 | -122.26 |
| 42.4 | 1982-03-01 | 4.1 | 12 | 46.35 | -122.25 |
| 41.6 | 1981-02-14 | 3.8 | 7 | 46.34 | -122.24 |
| 43.0 | 1981-02-14 | 3.8 | 11 | 46.36 | -122.25 |
| 40.8 | 1980-05-28 | 3.6 | 8 | 46.34 | -122.2 |
| 42.4 | 1981-02-14 | 3.5 | 11 | 46.35 | -122.25 |
Historical Tornado Events
A total of 2 historical tornado events that had recorded magnitude of 2 or above found in or near Stevenson-Carson School District.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 33.9 | 1972-04-05 | 3 | 45°36'N / 122°38'W | 45°38'N / 122°27'W | 8.70 Miles | 440 Yards | 6 | 300 | 25.0M | 0 | Clark |
| 38.5 | 1972-04-05 | 3 | 45°36'N / 122°38'W | 45°36'N / 122°38'W | 0 | 0 | 250K | 0 | Multnomah |
* 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.