Science Café to examine tsunamis, earthquakes in Cascadia Subduction Zone

Michael Machette presents “Tsunamis and Earthquakes on the Cascadia Subduction Zone” at the next Sequim Science Café, set for 6:30 p.m. Tuesday, April 9, at Paradise Restaurant, 703 N. Sequim Ave.

Machette is president and principal investigator at Paleo Seis Surveys LLC. He earned a bachelor’s degree in geology from San Jose State University in 1972 and a master’s degree in quaternary geology from the University of Colorado in 1975. From 1972-2008, he worked as a research geologist with the U.S. Geological Survey (USGS).

He is the former chief of the USGS’s Quaternary fault and fold database for the U.S., as well as chairman of the World Map of Active Faults for the Western Hemisphere. He has published about 150 geologic maps and scientific papers, most recently on paleoseismology — the study of ancient earthquakes.

Machette joined the Jefferson Land Trust in 2004 after buying property in Port Townsend. In 2010, he reorganized a local geology group and formed a partnership with the Jefferson Land Trust, where he is board member. The Jefferson Land Trust Geology Group ( organizes periodic talks and field trips on aspects of local and regional geology.

The event is sponsored by the Sequim Education Foundation. The group’s mission is “to be a catalyst for vibrant growth of each student in the Sequim community.”

The Science Cafe meets on the second Tuesday of every month (except July and August) at 6:30 p.m. at Paradise Restaurant.

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