New to geology, want to learn some basic concepts, or just need a geology refresher? Join geology professor Shawn Willsey for this new series as he presents the same lectures as his GEOL 101 (Physical Geology) course. These videos are for everyone.

Here in episode no. 12, we look at our basic classification system for volcano types. I have many other videos that feature volcanoes including active eruptions so check them out.

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00:00 intro
03:11 fissure eruption
07:50 shield volcano
10:33 cinder cone
13:54 stratovolcano
18:11 volcanic dome
22:37 caldera
25:56 quiz!