The active volcanoes that could threaten california california is a hotbed of seismic activity with 28 volcanoes across the state and eight of these are classed as. Helens it is the only volcano in the contiguous us that erupted in the 20th century. At least seven california volcanoes medicine lake volcano mount shasta lassen volcanic center clear lake volcanic field long valley volcanic region coso volcanic field and salton buttes have partially molten rock magma deep within their roots and research on past eruptions indicates they will erupt again in the future. San diego seven volcanoes in california are active and pose a significant threat including some in southern. Lassen peak and mount st.
Lassen or lassen peak volcano in northern california is located at the southern end of the cascade range. Lassen volcanic national park was created in tehama county california to preserve the devastated areas as they were for future observation and study and to preserve the nearby volcanic features. Lassen s summit complex is a lava dome that rises 2 000 feet 610. Mount shasta mount shasta is a potentially active volcano located within the southern part of the cascade range in siskiyou county. Please look at the time stamp on the story to see when it was last updated.
Please look at the time stamp on the story to see when it was last updated. Lassen or lassen peak volcano in northern california is located at the southern end of the cascade range. The active volcanoes that could threaten california california is a hotbed of seismic activity with 28 volcanoes across the state and eight of these are classed as.
