* 1949 Olympia earthquake (M 7.1): This earthquake caused damage in Seattle, including collapsed buildings and broken water mains.
* 1965 Puget Sound earthquake (M 6.5): This earthquake caused damage in Seattle, including collapsed buildings and cracked roads.
* 2001 Nisqually earthquake (M 6.8): This earthquake caused damage in Seattle, including collapsed buildings and cracked roads.
Landslides
* 1910 Oso mudslide: This mudslide killed about 100 people in Oso, Washington, about 50 miles northeast of Seattle.
* 2014 Oso mudslide: This mudslide killed 43 people in Oso, Washington.
Floods
* 1995 Snoqualmie Valley flood: This flood caused damage in Seattle, including flooded homes and businesses and closed roads.
* 2009 White River flood: This flood caused damage in Seattle, including flooded homes and businesses and closed roads.
Volcanic eruptions
* Mount St. Helens eruption: The 1980 eruption of Mount St. Helens, located about 150 miles south of Seattle, caused damage in Seattle, including ashfall and volcanic ash clouds.
