Mauna Loa volcano (Hawaii, United States): slightly elevated seismicity
gio, 5 mag 2022, 12:0512:05 PM | AUTORE: LEANDRA
During the past week, HVO seismometers recorded approximately 62 small-magnitude (below M3.0) earthquakes below the summit and upper-elevation flanks of Mauna Loa. The majority of these earthquakes occurred at shallow depths less than 15 kilometers (9 miles) below sea level.
Mauna Loa earthquakes over the past week. Photo Credit: USGS.
Global Positioning System (GPS) measurements show low rates of deformation in the volcano's summit region continuing through the past week.
Concentrations of sulfur dioxide (SO2), hydrogen sulfide (H2S), and carbon dioxide (CO2), as well as fumarole temperatures, remain stable at both the summit and at Sulphur Cone on the upper Southwest Rift Zone.
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