HVO Mauna Loa YELLOW/ADVISORY - Mauna Loa is not erupting. Deformation and seismicity rates above long-term background.
Mar 15, 2018 19:35 - Activity Summary: Mauna Loa Volcano is not erupting. Rates of deformation and seismicity have not changed significantly in the past week, persisting at above-long-term background levels. Observations: Sixteen microearthquakes were located beneath the summit caldera and upper elevations of Mauna Loa during the past week. Of these, roughly equal numbers are beneath the summit caldera and upper southwest rift, at depths ranging between 0 and 5km (0 to 3mi), or scattered beneath the upper western flank. Global Positioning System (GPS) and Interferometric Synthetic ...