By Robert Leeper Paleotsunami data along the California coast are rare and the data that do exist are limited to northern California. For a better understanding of the tsunami threat throughout central and southern California, prehistoric data need to be unearthed and documented in these regions. To accomplish this, the

  This week, the US Navy tested their disaster plans during their annual Citadel Rumble exercise using the USGS ARkStorm Scenario as the basis for the drill. The Navy Regional Operations Center in San Diego served as the basis for where they are conducting a full-scale exercise and is shown in the photo where ARkStorm inundation

The respected journal Natural Hazards has just published a new paper describing the process of and results from creating the ARkStorm Scenario, released in January 2011, to highlight the way scientists prepare useful information for emergency managers and policy makers related to natural hazards. In this case, it was storms and flooding.