TY - RPRT TI - Anisotropy, repeating earthquakes, and seismicity associated with the 2008 eruption of Okmok Volcano, Alaska AU - Jessica H. Johnson AU - Stephanie Prejean AU - Martha K. Savage AU - John Townend PY - 2010 DO - 10.1029/2009jb006991 UR - https://pubs.usgs.gov/publication/70041341 ID - 70041341 ER -