CALVO GREEN/NORMAL - CA volcanoes were at normal background levels of seismicity and deformation during the past week.

[Earthquake Report]

Sep 10, 2024 21:01 - Monitored CALIFORNIA VOLCANOESCurrent Volcano Alert Level: all NORMALCurrent Aviation Color Code: all GREENActivity Update: All volcanoes monitored by CalVO show normal background earthquake activity and ground movement. Monitored volcanoes include Mount Shasta, Medicine Lake Volcano, Lassen Volcanic Center, Clear Lake Volcanic Field, Long Valley Volcanic Region, Coso Volcanic Field, Ubehebe Craters, and Salton Buttes.Past Week Observations for September 02 (0000h PDT) to September 08 (2359h PDT) Seven earthquakes greater than M1 were recorded near Mount Shasta, with the ...

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[Earthquake Report]

Sep 11, 2024 19:10 - Activity Summary: Kīlauea is not erupting. Earthquake activity in Kīlauea’s upper East Rift Zone (UERZ) has been low over the last 24 hours. Additional pulses of unrest in the upper to middle East Rift Zone are possible and may evolve quickly. Summit Observations: 16 earthquakes were detected beneath Kīlauea’s broader summit region over the past 24 hours, all below magnitude-2 and most at depths shallower than 3 km (1.9 mi) below the surface. Rates of deformation at the summit remain relatively low, with slightly fluctuating tilt at summit tiltmeters over the ...

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