TY - RPRT TI - Changes in the Seismicity and Focal Mechanism of Small Earthquakes Prior to an MS 6.7 Earthquake in the Central Aleutian Island Arc AU - Serena Billington AU - E.R. Engdahl AU - Stephanie Price PY - 2013 DO - 10.1029/me004p0348 UR - https://pubs.usgs.gov/publication/70188745 ID - 70188745 ER -