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Mt Shasta Volcano | John Seach
California, USA
41.42 N, 122.20 W
summit elevation 4312 m
stratovolcano
Mt Shasta is the largest volcano in the Cascade Range. The volcano was destroyed by the earth's largest avalanche in the Quaternary period (1.8 million years and 2.6 million years ago).
The eruption of 1786 was viewed from the Ship La Perouse.
Volcanic Features of Shasta
Shastina, Black Butte, Sargents Ridge, Misery Hill, Hotlum Cone.
Further Reading
Grove, T.L., Baker, M.B., Price, R.C., Parman, S.W., Elkins-Tanton, L.T., Chatterjee, N. and Müntener, O., 2005. Magnesian andesite and dacite lavas from Mt. Shasta, northern California: products of fractional crystallization of H 2 O-rich mantle melts. Contributions to Mineralogy and Petrology, 148(5), pp.542-565.
Baker, M.B., Grove, T.L. and Price, R., 1994. Primitive basalts and andesites from the Mt. Shasta region, N. California: products of varying melt fraction and water content. Contributions to Mineralogy and Petrology, 118(2), pp.111-129.
Mt Shasta Volcano Eruptions
1786, 1250?, 1200?, 850?, 150?, 50?, 150 BC?, 550 BC ± 500, 650 BC ± 1000, 850 BC?, 1150 BC?, 2050 BC?, 2550 BC?, 3050 BC?, 4050 BC?, 6650 BC?, 7250 BC?, 7350 BC?, 7420 BC ± 300, 7650 BC ± 100, 7750 BC?, 8050 BC?