Ontario Micro Area Natural Disasters and Weather Extremes
The chance of earthquake damage in Ontario Area is much lower than the national average. The risk of tornado damage in Ontario Area is much lower than the national average.
Earthquake Index, #472
| Ontario Area | 0.04 |
| 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, #44
| Ontario Area | 0.0125 |
| 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, #850
| Ontario Area | 7.35 |
| 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 571 other weather extremes events from 1950 to 2010 were recorded in Ontario Area. 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: | 19 | Drought: | 1 |
| Dust Storm: | 0 | Flood: | 59 | Hail: | 137 | Heat: | 0 | Heavy Snow: | 4 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 6 |
| Thunderstorm Winds: | 275 | Tropical Storm: | 0 | Wildfire: | 15 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 55 | ||||||||
Volcanos Nearby
A total of 4 volcanoes are found in or near Ontario Area.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 16.8 | Jordan Craters | US-Oregon, United States | 43.03 | -117.42 | 1473 | Volcanic field | Holocene | Undated, but probable Holocene eruption |
| 18.0 | Saddle Butte | US-Oregon, United States | 43 | -117.8 | 1700 | Volcanic field | Holocene | Unknown |
| 42.8 | Jackies Butte | US-Oregon, United States | 42.606 | -117.589 | 1420 | Volcanic field | Holocene | Unknown |
| 57.6 | Diamond Craters | US-Oregon, United States | 43.1 | -118.75 | 1435 | Volcanic field | Holocene | Unknown |
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Ontario Area.
No historical earthquake events found in or near Ontario Area.
Historical Tornado Events
No historical tornado events that had recorded magnitudes of 2 or above found in or near Ontario Area.
No historical earthquake events found in or near Ontario Area.
* 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.