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Interactive map: Los Angeles-area neighborhoods at risk for mudslides

October 12, 2009 |  9:20 pm

Mudslidemap As a powerful storm heads toward California, residents in the Crescenta Valley area north of Los Angeles are preparing for heavy rainfall that could send mud and debris flowing into neighborhoods. The canyon communities that have been warned are in and near the area recently burned in the Station fire.

The Times has created an interactive map showing locations considered by the U.S. Geological Survey to be at risk for mudslides. The USGS issued a warning last week about what could happen in a worst-case scenario, which assumes a rainstorm of 12 hours' duration that strikes when debris-retention basins are already full. A storm of that size occurs about once every two years.

Meteorologists at the National Weather Service are expecting a strong Pacific storm to bring heavy rain and strong winds into Southern California beginning Tuesday.

-- Rong-Gong Lin II

Related: Download the U.S. Geological Survey's detailed mud flow map

Click to see L.A. County fire stations where residents can pick up free sandbags Use The Times' map to see where residents can pick up sandbags at L.A. County fire stations