October 18
28 entries from the federal record fall on October 18, across every year it covers.
Tropical cyclones
Storms at their strongest near the U.S. on this date.
- 1906Unnamed storm, category 3 near Miami-Dade County, FL
- 1916Unnamed storm, category 2 near Escambia County, FL
- 1923Unnamed storm, tropical storm near Harrison County, MS
- 1944Unnamed storm, category 3 near Monroe County, FL
- 1950King, category 4 near Miami-Dade County, FL
- 1959Judith, tropical storm near Lee County, FL
- 1965Unnamed storm, tropical storm near Volusia County, FL
- 1999Irene, category 2 near Dare County, NC
Tornadoes
Tornadoes rated F3/EF3 or stronger, or that killed, on this date.
- 1984F3, 26 mile path, 1 killed Oregon, MO; Shannon, MO
- 1990F3, 5 mile path, 1 killed King William, VA
- 1990F3, 3.5 mile path Orange, VA
- 1990F3, 12 mile path Union, NC
- 1990F3, 0.5 mile path Somerset, NJ
- 2007EF3, 7 mile path Daviess, KY
- 2007EF3, 4.8 mile path Clark, IN
- 2007EF3, 20.3 mile path Marshall, IN; Kosciusko, IN; Elkhart, IN
- 2004F2, 0.5 mile path, 3 killed Pemiscot, MO
- 2007EF2, 19 mile path, 2 killed Ingham, MI; Shiawassee, MI
- 1984F2, 5 mile path, 1 killed Titus, TX
- 1993F2, 2 mile path, 1 killed Rains, TX
- 1998F2, 1 mile path, 1 killed Waller, TX
- 2007EF2, 4.5 mile path, 1 killed Kalkaska, MI
Earthquakes
Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, on this date (local time).
- 1912M6.7, near Attu Station, Alaska Aleutians West Census Area, AK
- 1916M5.1, Near Irondale, Alabama Jefferson County, AL
- 1935M6.1, The 1935 Helena, Montana Earthquakes (Mainshock) Lewis and Clark County, MT
- 1961M5.1, near Little Lake, CA Inyo County, CA
- 1964M5.0, near Richmond, Utah Cache County, UT
- 1984M5.3, near Esterbrook, Wyoming Albany County, WY