Subduction zones arestrongly asymmetric for the ï¬rst several hundred kilo-meters. Their dimensions are deï¬ned by deep trenches,lines of volcanoes parallel to the trenches, and inclinedplanar arrays of deep earthquakes that dip away fromthe trench beneath the volcanoes and extend down tothe 660 km discontinuity.
Sounder commuter rail (reporting mark SDRX) is a regional rail service operated by BNSF on behalf of Sound Transit.[3] Service operates Monday through Friday during peak hours from Seattle, Washington, north to Everett and south to Lakewood.
Sounder offers commuter rail service between Tacoma's Tacoma Dome Station and Seattle's King Street Station with stops in Puyallup, Sumner, Auburn, Kent and Tukwila, and between Everett and Seattle with stops in Edmonds and Mukilteo. It shares the same railroad tracks as freight trains and Amtrak.