National Geophysical Data Center / World Data Service (NGDC/WDS), Significant Earthquake Database, National Geophysical Data Center, National Oceanic and Atmospheric Administration, doi:10.7289/V5TD9V7K
National Geophysical Data Center / World Data Service (NGDC/WDS), Significant Earthquake Database, National Geophysical Data Center, National Oceanic and Atmospheric Administration, doi:10.7289/V5TD9V7K
USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey, archived from the original on October 4, 2016, retrieved September 30, 2016
USGS (September 4, 2009), PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey, archived from the original on October 4, 2016, retrieved September 30, 2016