Grizzly Flats, CA Natural Disasters and Weather Extremes
The chance of earthquake damage in Grizzly Flats is much lower than California average and is lower than the national average. The risk of tornado damage in Grizzly Flats is lower than California average and is much lower than the national average.
Earthquake Index, #1746
| Grizzly Flats, CA | 1.30 |
| California | 21.80 |
| 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, #664
| Grizzly Flats, CA | 0.0043 |
| California | 0.0068 |
| 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, #1308
| Grizzly Flats, CA | 4.50 |
| California | 18.56 |
| 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 177 other weather extremes events within 50 miles of Grizzly Flats, CA 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: | 32 | Hail: | 29 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 5 |
| Thunderstorm Winds: | 13 | Tropical Storm: | 0 | Wildfire: | 6 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 92 | ||||||||
Volcanos Nearby
A total of 3 volcanoes are found in or near Grizzly Flats, CA.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 67.2 | Steamboat Springs | US-Nevada, United States | 39.375 | -119.72 | 1415 | Lava dome | Pleistocene-Fumarol | Quaternary eruption(s) with the only known Holocene activity being hydrothermal |
| 92.6 | Mono Lake Volc Field | US-California, United States | 38 | -119.03 | 2121 | Cinder cone | Tephrochronology | Last known eruption 1700-1799 |
| 98.2 | Mono Craters | US-California, United States | 37.88 | -119 | 2796 | Lava dome | Radiocarbon | Last known eruption A.D. 1-1499 |
Historical Earthquake Events
A total of 16 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Grizzly Flats, CA.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 42.2 | 1939-01-11 | 5.5 | N/A | 38.8 | -119.78 |
| 40.4 | 1978-09-04 | 5.3 | 19 | 38.81 | -119.82 |
| 49.3 | 1947-09-08 | 5.2 | N/A | 39.3 | -120.2 |
| 43.2 | 1980-11-28 | 4.9 | 10 | 39.26 | -120.47 |
| 45.3 | 1980-11-28 | 4.9 | 10 | 39.29 | -120.47 |
| 44.0 | 1951-01-22 | 4.8 | N/A | 39.08 | -119.95 |
| 41.1 | 1978-09-04 | 4.6 | 18 | 38.82 | -119.81 |
| 42.4 | 1948-03-28 | 4.6 | N/A | 39 | -119.9 |
| 39.9 | 1966-06-27 | 4.5 | N/A | 38.7 | -119.8 |
| 43.8 | 1942-12-20 | 4.5 | N/A | 38.72 | -119.73 |
| 47.4 | 1961-08-12 | 4 | N/A | 39.27 | -120.2 |
| 40.5 | 1982-06-05 | 3.9 | 12 | 38.79 | -119.81 |
| 41.1 | 1977-02-01 | 3.9 | 2 | 39.06 | -120 |
| 40.9 | 1980-03-22 | 3.6 | 17 | 38.81 | -119.81 |
| 48.6 | 1954-12-13 | 3.6 | N/A | 39.28 | -120.17 |
| 25.0 | 1950-06-13 | 3.5 | N/A | 38.7 | -120.08 |
Historical Tornado Events
A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Grizzly Flats, CA.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 48.7 | 1978-02-07 | 2 | 38°42'N / 121°27'W | 38°44'N / 121°25'W | 1.90 Miles | 20 Yards | 0 | 0 | 250K | 0 | Sacramento |
* 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.