Excellent opinion article on the impacts of recent rainfall on the Seattle area.

Water has sculpted the Puget Sound landscape for more than 13,000 years. Inevitably, it will continue to play a pivotal role in our environment. The geological processes that created our landforms have rendered it particularly susceptible to wet-season soil movements.

http://seattlepi.nwsource.com/opinion/294290_landslides01.html