Challenge-Brownsville, CA Natural Disasters and Weather Extremes
The chance of earthquake damage in Challenge-Brownsville is much lower than California average and is higher than the national average. The risk of tornado damage in Challenge-Brownsville is lower than California average and is much lower than the national average.
Earthquake Index, #1513
| Challenge-Brownsville, CA | 2.74 |
| 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, #350
| Challenge-Brownsville, CA | 0.0100 |
| 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, #1225
| Challenge-Brownsville, CA | 6.15 |
| 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 149 other weather extremes events within 50 miles of Challenge-Brownsville, 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: | 18 | Hail: | 23 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 1 |
| Thunderstorm Winds: | 14 | Tropical Storm: | 0 | Wildfire: | 9 | Winter Storm: | 5 | Winter Weather: | 0 |
| Other: | 79 | ||||||||
Volcanos Nearby
A total of 7 volcanoes are found in or near Challenge-Brownsville, CA.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 72.1 | Lassen Volc Center | US-California, United States | 40.492 | -121.508 | 3187 | Stratovolcano | Historical | Last known eruption 1900-1963 |
| 81.0 | Potato Butte | US-California, United States | 40.63 | -121.43 | 1532 | Shield volcano | Holocene | Unknown |
| 82.6 | 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 |
| 83.7 | Eagle Lake Field | US-California, United States | 40.63 | -120.83 | 1652 | Fissure vent | Holocene | Unknown |
| 85.3 | Tumble Buttes | US-California, United States | 40.68 | -121.55 | 2191 | Cinder cone | Holocene | Unknown |
| 87.5 | Clear Lake | US-California, United States | 38.97 | -122.77 | 1439 | Volcanic field | Holocene | Undated, but probable Holocene eruption |
| 92.6 | Twin Buttes | US-California, United States | 40.78 | -121.6 | 1631 | Cinder cone | Holocene | Unknown |
Historical Earthquake Events
A total of 26 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Challenge-Brownsville, CA.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 19.7 | 1940-02-08 | 6 | 35 | 39.75 | -121.25 |
| 14.3 | 1975-08-01 | 5.8 | N/A | 39.44 | -121.53 |
| 43.6 | 1963-09-13 | 5.4 | N/A | 40 | -121.7 |
| 46.1 | 1943-03-30 | 5.3 | N/A | 39.43 | -120.4 |
| 24.1 | 1975-08-02 | 5.2 | N/A | 39.41 | -121.71 |
| 44.0 | 1980-11-28 | 4.9 | 10 | 39.29 | -120.47 |
| 44.6 | 1980-11-28 | 4.9 | 10 | 39.26 | -120.47 |
| 11.6 | 1975-08-11 | 4.8 | N/A | 39.45 | -121.48 |
| 40.6 | 1968-04-29 | 4.7 | N/A | 39.54 | -122.02 |
| 33.1 | 1966-05-24 | 4.6 | N/A | 39.68 | -121.82 |
| 40.5 | 1959-06-14 | 4.6 | N/A | 39.67 | -120.55 |
| 18.5 | 1976-07-06 | 4.5 | 5 | 39.4 | -121.6 |
| 39.5 | 1941-05-01 | 4.5 | N/A | 40 | -121 |
| 43.3 | 1960-11-18 | 4.4 | N/A | 39.6 | -120.47 |
| 39.1 | 1972-07-16 | 4.1 | 10 | 40.03 | -121.3 |
| 41.8 | 1982-02-19 | 4 | 10 | 39.91 | -120.73 |
| 14.7 | 1976-06-14 | 3.9 | 7 | 39.47 | -121.54 |
| 45.5 | 1982-01-05 | 3.9 | 23 | 39.85 | -120.57 |
| 45.2 | 1971-08-06 | 3.8 | 8 | 39.51 | -122.11 |
| 47.7 | 1985-04-18 | 3.8 | 14 | 39.11 | -122.03 |
| 38.0 | 1968-02-26 | 3.7 | N/A | 40 | -121.1 |
| 43.0 | 1970-07-01 | 3.6 | 3 | 39.48 | -122.07 |
| 46.2 | 1970-12-09 | 3.6 | 2 | 40.13 | -121.35 |
| 12.7 | 1977-05-04 | 3.5 | 7 | 39.41 | -121.49 |
| 43.1 | 1981-01-02 | 3.5 | 27 | 39.73 | -120.53 |
| 44.1 | 1970-07-01 | 3.5 | 12 | 39.48 | -122.09 |
Historical Tornado Events
No historical tornado events that had recorded magnitudes of 2 or above found in or near Challenge-Brownsville, CA.
No historical earthquake events found in or near Challenge-Brownsville, CA.
* 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.