Anatahan, Mariana Islands, United States

The USGS reported that seismicity at Anatahan decreased during 26-31 March. The Volcanic Alert Level was lowered to Advisory and the Aviation Color Code was lowered to Yellow on 31 March.

Sources: Emergency Management Office of the Commonwealth of the Mariana Islands and the US Geological Survey Hawaiian Volcano Observatory - “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”