Aftershock forecasts and advisories from the USGS.
USGS Aftershock Forecast for the Magnitude 7.8 Nepal earthquake of April 25, 2015 (as of April 27, 2015) (PDF)
Updated USGS Aftershock Advisory for the Magnitude 7.8 Gorkha earthquake in Nepal April 25, 2015; Special Report due to Magnitude 7.3 aftershock on May 12, 2015 (as of May 13, 2015) (PDF)