Yuba County Natural Disasters and Weather Extremes
The chance of earthquake damage in Yuba County is much lower than California average and is higher than the national average. The risk of tornado damage in Yuba County is about the same as California average and is much lower than the national average.
Earthquake Index, #50
| Yuba County | 2.64 |
| 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, #21
| Yuba County | 0.0072 |
| 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, #30
| Yuba County | 9.19 |
| 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 737 other weather extremes events within 50 miles of Yuba County 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: | 8 | Drought: | 0 |
| Dust Storm: | 0 | Flood: | 137 | Hail: | 137 | Heat: | 2 | Heavy Snow: | 1 |
| High Surf: | 1 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 34 |
| Thunderstorm Winds: | 86 | Tropical Storm: | 0 | Wildfire: | 23 | Winter Storm: | 11 | Winter Weather: | 0 |
| Other: | 297 | ||||||||
Volcanos Nearby
A total of 7 volcanoes are found in or near Yuba County.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 79.1 | Clear Lake | US-California, United States | 38.97 | -122.77 | 1439 | Volcanic field | Holocene | Undated, but probable Holocene eruption |
| 84.8 | Lassen Volc Center | US-California, United States | 40.492 | -121.508 | 3187 | Stratovolcano | Historical | Last known eruption 1900-1963 |
| 87.1 | 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 |
| 94.0 | Potato Butte | US-California, United States | 40.63 | -121.43 | 1532 | Shield volcano | Holocene | Unknown |
| 97.8 | Eagle Lake Field | US-California, United States | 40.63 | -120.83 | 1652 | Fissure vent | Holocene | Unknown |
| 98.0 | Tumble Buttes | US-California, United States | 40.68 | -121.55 | 2191 | Cinder cone | Holocene | Unknown |
| 105.1 | Twin Buttes | US-California, United States | 40.78 | -121.6 | 1631 | Cinder cone | Holocene | Unknown |
Historical Earthquake Events
A total of 18 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Yuba County.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 33.5 | 1940-02-08 | 6 | 35 | 39.75 | -121.25 |
| 15.4 | 1975-08-01 | 5.8 | N/A | 39.44 | -121.53 |
| 21.8 | 1975-08-02 | 5.2 | N/A | 39.41 | -121.71 |
| 46.7 | 1980-11-28 | 4.9 | 10 | 39.26 | -120.47 |
| 46.7 | 1980-11-28 | 4.9 | 10 | 39.29 | -120.47 |
| 14.4 | 1975-08-11 | 4.8 | N/A | 39.45 | -121.48 |
| 40.6 | 1968-04-29 | 4.7 | N/A | 39.54 | -122.02 |
| 38.0 | 1966-05-24 | 4.6 | N/A | 39.68 | -121.82 |
| 16.3 | 1976-07-06 | 4.5 | 5 | 39.4 | -121.6 |
| 47.5 | 1943-11-15 | 4 | N/A | 39.22 | -122.23 |
| 17.3 | 1976-06-14 | 3.9 | 7 | 39.47 | -121.54 |
| 38.3 | 1985-04-18 | 3.8 | 14 | 39.11 | -122.03 |
| 44.1 | 1971-08-06 | 3.8 | 8 | 39.51 | -122.11 |
| 44.8 | 1943-11-16 | 3.8 | N/A | 39.23 | -122.18 |
| 41.4 | 1970-07-01 | 3.6 | 3 | 39.48 | -122.07 |
| 48.4 | 1980-11-24 | 3.6 | 5 | 39.27 | -122.25 |
| 12.4 | 1977-05-04 | 3.5 | 7 | 39.41 | -121.49 |
| 42.4 | 1970-07-01 | 3.5 | 12 | 39.48 | -122.09 |
Historical Tornado Events
A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Yuba County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 38.5 | 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.