Naselle-Grays River Valley School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Naselle-Grays River Valley School District is much lower than Washington average and is much lower than the national average. The risk of tornado damage in Naselle-Grays River Valley School District is about the same as Washington average and is much lower than the national average.
Earthquake Index, #195
| Naselle-Grays River Valley School District | 0.29 |
| 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, #173
| Naselle-Grays River Valley School District | 0.0031 |
| 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, #194
| Naselle-Grays River Valley School District | 5.24 |
| 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 111 other weather extremes events within 50 miles of Naselle-Grays River Valley 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: | 42 | Hail: | 4 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 8 |
| Thunderstorm Winds: | 8 | Tropical Storm: | 0 | Wildfire: | 1 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 48 | ||||||||
Volcanos Nearby
A total of 2 volcanoes are found in or near Naselle-Grays River Valley School District.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 73.3 | St. Helens | US-Washington, United States | 46.2 | -122.18 | 2549 | Stratovolcano | Historical | Last known eruption 1964 or later |
| 84.5 | West Crater | US-Washington, United States | 45.88 | -122.08 | 1329 | Volcanic field | Radiocarbon | Last known eruption B.C. (Holocene) |
Historical Earthquake Events
A total of 2 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Naselle-Grays River Valley School District.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 48.5 | 1963-12-27 | 4.5 | N/A | 45.7 | -123.4 |
| 32.4 | 1984-06-04 | 3.7 | 53 | 46.21 | -123.06 |
Historical Tornado Events
A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Naselle-Grays River Valley School District.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 44.1 | 1965-11-10 | 2 | 46°42'N / 122°54'W | 1.50 Miles | 23 Yards | 0 | 0 | 25K | 0 | Lewis |
* 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.