Coulee-Hartline School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Coulee-Hartline School District is much lower than Washington average and is much lower than the national average. The risk of tornado damage in Coulee-Hartline School District is about the same as Washington average and is much lower than the national average.
Earthquake Index, #236
| Coulee-Hartline School District | 0.13 |
| 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, #195
| Coulee-Hartline School District | 0.0013 |
| 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, #134
| Coulee-Hartline School District | 8.10 |
| 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 105 other weather extremes events within 50 miles of Coulee-Hartline 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: | 2 | Flood: | 9 | Hail: | 36 | Heat: | 0 | Heavy Snow: | 2 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 2 |
| Thunderstorm Winds: | 29 | Tropical Storm: | 0 | Wildfire: | 0 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 25 | ||||||||
Volcanos Nearby
A total of 1 volcano is found in or near Coulee-Hartline School District.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 88.9 | Glacier Peak | US-Washington, United States | 48.112 | -121.113 | 3213 | Stratovolcano | Tephrochronology | Last known eruption 1700-1799 |
Historical Earthquake Events
A total of 3 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Coulee-Hartline School District.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 46.3 | 1963-12-22 | 4.4 | N/A | 48.33 | -119.33 |
| 41.7 | 1984-04-11 | 4.3 | 8 | 47.53 | -120.19 |
| 24.1 | 1979-01-19 | 4 | 7 | 47.9 | -119.69 |
Historical Tornado Events
A total of 2 historical tornado events that had recorded magnitude of 2 or above found in or near Coulee-Hartline School District.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 10.4 | 1972-04-05 | 2 | 47°42'N / 119°06'W | 0 | 0 | 25K | 0 | Grant | |||
| 38.8 | 1972-04-05 | 3 | 47°45'N / 118°31'W | 47°46'N / 118°28'W | 0 | 1 | 250K | 0 | Lincoln |
* 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.