California’s earthquake warning system notified over one million people ahead of Northern California quake

Summary

<img alt="" class="attachment-thumbnail size-thumbnail wp-post-image" height="150" src="https://www.gov.ca.gov/wp-content/uploads/2026/06/CA-Earthquake.MyShake-App-Highlight-150x150.png" width="150" /> <p><a href="https://www.gov.ca.gov/2026/06/24/californias-earthquake-warning-system-notified-over-one-million-people-ahead-of-northern-california-quake/" rel="nofollow">Source</a></p>