Mapping Tsunami Hazards in California: When Experience Meets Expertise

Nick Graehl, engineering geologist in California Geological Survey’s Tsunami Program, often reflects on his first post-tsunami reconnaissance trip as a reminder of the importance of preparing Californians for a tsunami. “It’s something not everyone gets to experience but then once you have, you never forget.” From Studying to Experiencing Tsunami Effects A post-tsunami reconnaissance trip,…

Protecting Forests for the Other California Gold: Lumber

The lumber industry has a long history in California. Sutter’s Mill, where the discovery that started the Gold Rush was made, wasn’t a flour mill or sugar mill; it was a sawmill.  Lumber’s Unfortunate Legacy Vast forests helped build and heat homes for the miners, the merchants, and the rest that followed, helping to turn…

2011 Tohoku-Oki Earthquake and Tsunami: Remembering the Victims, Learning from the Past

March 11, 2021: The California Geological Survey issues new Tsunami Hazard Area Maps for Del Norte and Mendocino counties By Rick Wilson, California Geological Survey (CGS) Many of my tsunami and non-tsunami colleagues can remember what they were doing on March 11, 2011, the day the magnitude 9 Tohoku-Oki earthquake struck offshore of Japan, unleashing…

San Fernando ’71: the Earthquake That Made Us Safer

The San Fernando Earthquake changed how the state approached earthquake hazards,” said Dr. Steve Bohlen, Acting State Geologist of California and head of the California Geological Survey. “There was an increased realization that the state had to do something to limit the damage of these events.”

Q&A with California Geological Survey Librarian Amy Loseth for #LibraryShelfieDay

Most folks don’t know that the Department of Conservation is home to the California Geological Survey library–full of geologic resources, maps, and even rare books dating back to the 1600s! The library, located at 801 K Street, in Downtown Sacramento (across from the Sacramento Public Library) is usually open to the public. With COVID-19 restrictions…

Earth Science Week Day 3 — Fossil Day

It’s Earth Science Week (October 12-16) Continuing on our theme of Earth Science Week, today we are talking about the California State Fossil! Wednesday: October 14: FOSSIL DAY Did you know that California’s official state fossil is the Sabertoothed Cat? How cool is that?! We’ve created some fun facts to help you get to know…