HVO Mauna Loa YELLOW/ADVISORY – Mauna Loa is not erupting. Deformation and seismicity rates remain slightly elevated.

Jul 19, 2019 01:47 – Activity Summary: Mauna Loa Volcano is not erupting. Rates of deformation and seismicity remained slightly elevated over the past week.

Observations: During the past week, approximately 43 small-magnitude earthquakes (most less than M2.0) occurred beneath the summit and upper Southwest Rift Zone, compared to ~80 earthquakes in this region the week before. Most earthquakes occurred at depths of less than 5 km (3 miles).

Global Positioning System (GPS) and Interferometric Synthetic Aperture Radar (InSAR) measurements show continued summit inflation, suggestive of …