1909
6 tropical cyclones near the U.S., 9 notable earthquakes.
Tropical cyclones
Storms whose tracks came within 100 miles of a U.S. county.
Earthquakes
Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, strongest first.
| Jan 11, 1909 | 6.0 | San Juan Islands, Washington San Juan WA |
| Oct 28, 1909 | 6.0 | Near Rio Dell, California Humboldt CA |
| Jun 22, 1909 | 5.9 | West of Downieville, California Sierra CA |
| Oct 5, 1909 | 5.6 | Hansel Valley, Utah Box Elder UT |
| May 15, 1909 | 5.4 | Northeastern Montana Daniels MT |
| Mar 13, 1909 | 5.3 | Kilauea Caldera area, Hawaii Hawaii HI |
| Sep 27, 1909 | 5.1 | Wabash River Valley, Indiana Parke IN |
| Mar 3, 1909 | 5.0 | Nevada County, California Nevada CA |
| May 26, 1909 | 5.0 | Near Aurora, Illinois Kane IL |
Drought
On average 6% of lower-48 counties were in severe drought in 1909. The worst month was January 1909, with 15%.
Storm Prediction Center, National Hurricane Center HURDAT2, Monitoring Trends in Burn Severity, NOAA Storm Events Database, USGS Comprehensive Earthquake Catalog, NOAA nClimDiv Palmer Drought Severity Index. Damage is as reported at the time, not adjusted for inflation.