Clear Lake volcano (California): 15 earthquakes up to magnitude 1.8Possible earthquake swarm: 15 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 35 minutes ago. Hypocenter depths ranged between 2.5 and 0.2 km. Earthquake details: (only 5 largest) M 1.8 quake: 7km WNW of The Geysers, CA on Fri, 8 Feb 23h14 (19 km S)writeAge(1549667691) M 1.4 quake:…