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  • Interactive Map - University of California, Berkeley
    UC Berkeley Seismological Lab Legend Earthquakes are shown as circles sized by magnitude (red, < 1 hour; blue, < 1 day, yellow, < 1 week) Click or tap on a circle to view more details about an earthquake, such as location, date time, magnitude, and links to more information about the quake Local time is the time of the earthquake in your computer's time zone
  • UC Berkeley Seismology Lab
    The Berkeley Seismological Laboratory conducts essential research on earthquakes and solid earth processes while collecting and delivering high quality geophysical data We provide robust earthquake and hazard information including real-time alerts to the public, in collaboration with our partners We enable the broad consumption of earthquake information by everyone while educating and
  • Real-Time Earthquake Map
    Explore real-time earthquake data with an interactive map displaying magnitude, location, and time of recent seismic activities
  • Microsoft Word - 12. weighted avgs and uncertainty. doc
    Weighted averages are used in at least two different cases In the first case (which we'll call Case I), one wants to give more weight to some points than to others, because they are considered to be more important For example, one might want to calculate a flow-weighted mean concentration because the total load is the total flow times the flow-weighted mean (not the arithmetic mean) In this
  • Richard Allen - ShakeAlert
    Richard Allen June 2016: California provides $10 million for ShakeAlert Gov Jerry Brown signed the state budget that included $10 million to further the development of ShakeAlert in California Although California passed a mandate in 2013 to create a statewide earthquake warning system, this is the first money appropriated by the state to make it a reality
  • Seismo Blog Landing Page
    Seismo Blog Alerts for the Whole West Coast May 5, 2021 It was a decade in the making, but on Tuesday it became reality The whole US West Coast is now covered by a single, uniform early warning system against the devastating effects of earthquakes
  • DNA - Dynamic North America Model
    What is DNA? The DNA models are a series of 3D tomographic velocity models of the North American continent The models have been developed through the collaboration of several groups and have a home at UC Berkeley They make use of the Earthscope geophysical datasets as well as the permanent regional geophysical networks and short-term deployments As the USArray rolls across the continent
  • Earthquake Early Warning at the Berkeley Seismo Lab
    Branded Dreamweaver demo What is Earthquake Early Warning? Earthquake early warning is the rapid detection of earthquakes, real-time assessment of the shaking hazard, and notification of people in the area of shaking Warnings can arrive before, during, or after the shaking depending on your location and how big the earthquake is The further you are away from the epicenter, the more warning
  • Richard Allen - University of California, Berkeley
    Richard Allen Richard Allen Director, Berkeley Seismology Lab Class of 1954 Endowed Professor, Dept Earth Planetary Science Research Scientist, Google View bio + CV
  • Detailed History of the Berkeley Seismo Lab
    Detailed History of the BSL Overview Seismology has a long tradition at UC Berkeley, beginning in 1887 with the installation of seismometers at the Student Observatory and at Lick Observatory by Edward S Holden, professor of astronomy and President of the University From these two observatories, the seismic network at UC Berkeley has grown over the last century to include nearly 50 sites in





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