Keywords: Mauna Loa hazard map.gif Mauna Loa volcano http //pubs usgs gov/gip/hazards/mauna-loa html USGS Probably 1984 the year the study was concluded PD-USGov-USGS PD-USGov Geological maps of Hawaii Maps of Mauna Loa Hazard maps of Hawaiian volcanoes Monitoring of Mauna Loa |