At 5:12 a.m. this morning, sirens echoed throughout the streets of San Francisco to mark the anniversary of the deadliest disaster in California history. A 7.9-magnitude earthquake, dubbed the 1906 Great San Francisco Earthquake, crumpled infrastructures and caused massive fires in the Bay Area.
Shaking could be felt from the North Coast in Eureka to the Salinas Valley and to the south of San Francisco. The main shock lasted approximately 42 seconds, with a preceding strong foreshock shaking about 20-25 seconds.
Nearly 3,000 deaths at minimum were estimated as a result of the earthquake, though that total is still unconfirmed today. The earthquake itself was crippling, but subsequent fires accounted for more than 90 percent of the damage.
The majority of those deaths occurred in San Francisco, although neighboring cities such as Santa Rosa and San Jose … continue reading »
This is Episode 27 and today’s is Earthquake Early Warning Deputy Director of Planning, Preparedness and Prevention, Tina Curry talks about Earthquake Early Warning. As the Deputy Director of Planning, Preparedness and Prevention, Tina Curry oversees the Cal OES Earthquake and Tsunami program.
The Cal OES Planning and Preparedness Branch develops and maintains state-level emergency plans and guidance that engage the whole community by using an all-hazards planning process that represents the actual stakeholders from the community, both local and state government leaders, nongovernmental organizations and the private sector.
This branch also includes the Earthquake Early Warning Division and Tina explains in this episode the benefits EEW will bring to the state. She also describes where we are in the process of having a functional system, how much it will cost, and how warnings will be delivered to the public.