O Brien, OR Natural Disasters and Weather Extremes
The chance of earthquake damage in O Brien is lower than Oregon average and is lower than the national average. The risk of tornado damage in O Brien is about the same as Oregon average and is much lower than the national average.
Earthquake Index, #99
| O Brien, OR | 0.36 |
| Oregon | 0.62 |
| 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, #340
| O Brien, OR | 0.0037 |
| Oregon | 0.0291 |
| 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, #297
| O Brien, OR | 2.23 |
| Oregon | 8.38 |
| 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 157 other weather extremes events within 50 miles of O Brien, OR 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: | 9 | Hail: | 32 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 4 |
| Thunderstorm Winds: | 25 | Tropical Storm: | 0 | Wildfire: | 56 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 31 | ||||||||
Volcanos Nearby
A total of 3 volcanoes are found in or near O Brien, OR.
| Distance (miles) | Name | Region | Latitude | Longitude | Elevation (foot) | Type | Status | Last Eruption |
| 83.4 | Imagination Peak | US-Oregon, United States | 42.552 | -122.201 | 1986 | Pyroclastic cone | Holocene | Unknown |
| 89.9 | Shasta | US-California, United States | 41.42 | -122.2 | 4317 | Stratovolcano | Historical | Last known eruption 1700-1799 |
| 99.7 | Crater Lake | US-Oregon, United States | 42.93 | -122.12 | 2487 | Caldera | Radiocarbon | Last known eruption B.C. (Holocene) |
Historical Earthquake Events
A total of 2 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near O Brien, OR.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 35.8 | 1962-08-23 | 5.6 | N/A | 41.85 | -124.33 |
| 48.1 | 1971-02-04 | 3.6 | 2 | 41.4 | -123.5 |
Historical Tornado Events
No historical tornado events that had recorded magnitudes of 2 or above found in or near O Brien, OR.
No historical earthquake events found in or near O Brien, OR.
* 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.