Stromboli: Third strong explosion

The LGS reports a third strong eruption this month: On November 21, 2020, at 00:33:21 UTC, the geophysical monitoring network recorded a very strong explosive event above ordinary explosive activity. 3 minutes bevore the event ground deformation (0.41 µrad at the OHO reference tiltmeter in Rina Grande) was detected. The event falls within the lower limits of the field for major explosions.