First Recorded U.S. Earthquake

On this date in 1638, the first earthquake was recorded in what is now the United States - in the New England colonies.

For more information about this earthquake, please visit:

U.S. Geological Survey: Historic Earthquakes: Probably St. Lawrence Valley region 1638 06 11 UTC

U.S. Geological Survey: Historic Earthquakes:The Earthquake of 1638

NESEC: History of Earthquakes in the Northeast

Note: The date on which the earthquake occurred was 1 June 1638 on the Julian calendar; on the Gregorian calendar, it would be 11 June 1638. Britain and its colonies adopted the Gregorian calendar in September of 1752.

Seismic safety information:

New England Seismic Network

Weston Observatory: Alan L. Kafka: Why Does the Earth Quake in New England?

Northeast States Emergency Consortium (NESEC)

NESEC: Earthquakes

FEMA: Earthquake Response and Recovery