Cotati-Rohnert Park Unified School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Cotati-Rohnert Park Unified School District is much lower than California average and is much higher than the national average. The risk of tornado damage in Cotati-Rohnert Park Unified School District is about the same as California average and is much lower than the national average.
Earthquake Index, #341
Cotati-Rohnert Park Unified School District | 16.65 |
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, #382
Cotati-Rohnert Park Unified School District | 0.0040 |
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, #374
Cotati-Rohnert Park Unified School District | 14.34 |
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 240 other weather extremes events within 50 miles of Cotati-Rohnert Park Unified 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: | 1 | Cold: | 0 | Dense Fog: | 5 | Drought: | 0 |
Dust Storm: | 0 | Flood: | 94 | Hail: | 14 | Heat: | 2 | Heavy Snow: | 1 |
High Surf: | 2 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 39 |
Thunderstorm Winds: | 9 | Tropical Storm: | 0 | Wildfire: | 1 | Winter Storm: | 3 | Winter Weather: | 0 |
Other: | 69 |
Volcanos Nearby
A total of 1 volcano is found in or near Cotati-Rohnert Park Unified School District.
Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
43.6 | Clear Lake | US-California, United States | 38.97 | -122.77 | 1439 | Volcanic field | Holocene | Undated, but probable Holocene eruption |
Historical Earthquake Events
A total of 67 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Cotati-Rohnert Park Unified School District.
Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
28.6 | 1906-04-18 | 8.3 | 25 | 38 | -123 |
7.6 | 1969-10-02 | 5.7 | N/A | 38.45 | -122.68 |
8.3 | 1969-10-02 | 5.6 | N/A | 38.46 | -122.69 |
8.9 | 1969-10-02 | 5.6 | N/A | 38.47 | -122.69 |
43.6 | 1955-10-24 | 5.4 | N/A | 37.97 | -122.05 |
41.7 | 1955-05-07 | 5 | N/A | 38.93 | -122.87 |
16.3 | 1956-04-05 | 4.8 | N/A | 38.53 | -122.52 |
49.4 | 1965-09-10 | 4.8 | N/A | 38 | -121.9 |
33.5 | 1963-12-30 | 4.7 | N/A | 38.8 | -122.9 |
37.1 | 1973-09-17 | 4.7 | 2 | 38.6 | -122.1 |
46.5 | 1958-12-11 | 4.7 | N/A | 37.68 | -122.53 |
9.7 | 1968-04-25 | 4.6 | N/A | 38.48 | -122.72 |
24.1 | 1933-05-16 | 4.5 | N/A | 38.63 | -122.95 |
46.2 | 1937-03-08 | 4.5 | N/A | 37.8 | -122.2 |
49.6 | 1952-10-13 | 4.5 | N/A | 37.75 | -122.18 |
47.5 | 1978-09-08 | 4.4 | 17 | 38.64 | -121.91 |
49.4 | 1979-04-28 | 4.4 | 13 | 37.65 | -122.46 |
49.6 | 1957-03-22 | 4.4 | N/A | 37.65 | -122.45 |
10.4 | 1969-10-02 | 4.3 | N/A | 38.49 | -122.68 |
32.4 | 1982-05-29 | 4.3 | 3 | 38.8 | -122.82 |
32.3 | 1984-09-22 | 4.2 | 1 | 38.8 | -122.81 |
45.3 | 1957-03-23 | 4.2 | N/A | 37.7 | -122.52 |
24.7 | 1959-12-16 | 4.1 | N/A | 38.58 | -122.36 |
32.3 | 1985-05-23 | 4.1 | 4 | 38.8 | -122.81 |
18.2 | 1977-09-22 | 4 | 5 | 38.6 | -122.76 |
23.6 | 1977-09-08 | 4 | 7 | 38.68 | -122.75 |
25.4 | 1977-09-11 | 4 | 12 | 38.7 | -122.8 |
37.9 | 1969-05-08 | 4 | N/A | 38.7 | -122.17 |
41.5 | 1977-01-08 | 4 | 10 | 37.9 | -122.18 |
49.2 | 1957-03-23 | 4 | N/A | 37.65 | -122.48 |
8.3 | 1969-10-06 | 3.9 | N/A | 38.46 | -122.71 |
37.3 | 1951-07-24 | 3.9 | N/A | 37.92 | -122.27 |
42.8 | 1980-12-12 | 3.9 | 4 | 38.96 | -122.69 |
47.4 | 1961-08-18 | 3.9 | N/A | 37.93 | -122 |
13.9 | 1978-05-27 | 3.8 | 9 | 38.54 | -122.74 |
18.0 | 1974-03-21 | 3.8 | 2 | 38.6 | -122.66 |
24.0 | 1977-09-11 | 3.8 | 9 | 38.68 | -122.8 |
31.4 | 1985-07-26 | 3.8 | 2 | 38.79 | -122.79 |
40.8 | 1977-06-04 | 3.8 | 26 | 38.2 | -121.97 |
40.8 | 1977-01-08 | 3.8 | 9 | 37.9 | -122.2 |
44.5 | 1961-11-17 | 3.8 | N/A | 37.97 | -122.03 |
47.8 | 1957-03-22 | 3.8 | N/A | 37.67 | -122.48 |
47.8 | 1957-03-23 | 3.8 | N/A | 37.67 | -122.48 |
48.0 | 1957-03-22 | 3.8 | N/A | 37.67 | -122.47 |
25.4 | 1966-12-23 | 3.7 | N/A | 38.7 | -122.8 |
33.1 | 1977-09-05 | 3.7 | 8 | 38.19 | -122.12 |
39.5 | 1979-06-17 | 3.7 | 16 | 38.1 | -122.04 |
40.7 | 1962-01-24 | 3.7 | N/A | 37.87 | -122.25 |
48.3 | 1976-07-13 | 3.7 | 10 | 38.09 | -121.87 |
15.0 | 1948-04-18 | 3.6 | N/A | 38.17 | -122.53 |
43.9 | 1961-02-16 | 3.6 | N/A | 37.83 | -122.22 |
44.5 | 1970-08-31 | 3.6 | 8 | 38.1 | -121.94 |
47.2 | 1957-03-22 | 3.6 | N/A | 37.68 | -122.48 |
48.1 | 1948-01-31 | 3.6 | N/A | 37.97 | -121.95 |
49.9 | 1943-11-16 | 3.6 | N/A | 37.78 | -122.12 |
2.8 | 1971-10-13 | 3.5 | 10 | 38.33 | -122.65 |
11.0 | 1969-10-02 | 3.5 | N/A | 38.5 | -122.7 |
32.2 | 1985-07-26 | 3.5 | 2 | 38.8 | -122.8 |
41.4 | 1985-03-06 | 3.5 | 2 | 38.94 | -122.68 |
43.0 | 1980-04-07 | 3.5 | 5 | 37.84 | -122.23 |
43.1 | 1980-02-13 | 3.5 | 6 | 38.95 | -122.53 |
43.2 | 1977-06-17 | 3.5 | 22 | 38.18 | -121.93 |
43.5 | 1977-07-19 | 3.5 | 2 | 38.05 | -121.99 |
44.0 | 1979-08-13 | 3.5 | 9 | 37.86 | -122.17 |
45.2 | 1961-06-27 | 3.5 | N/A | 37.8 | -122.23 |
48.5 | 1954-02-08 | 3.5 | N/A | 37.8 | -122.13 |
49.3 | 1965-01-29 | 3.5 | N/A | 37.7 | -122.3 |
Historical Tornado Events
A total of 1 historical tornado event that had recorded magnitude of 2 or above found in or near Cotati-Rohnert Park Unified School District.
Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
9.0 | 1958-06-01 | 2 | 38°17'N / 122°59'W | 38°24'N / 122°45'W | 15.00 Miles | 50 Yards | 0 | 0 | 25K | 0 | Sonoma |
* 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.