What happened in the 1909 Teide eruption?

The 1909 Teide eruption occurred on the Canary Island of Tenerife, specifically from the Las Cañadas caldera of Mount Teide. The eruption began on November 19 and lasted until December 1, producing a series of explosive events and lava flows that affected the surrounding landscape. While there were no fatalities, the eruption caused significant damage to local agriculture and prompted evacuations. It is notable for being one of the last significant eruptions of Teide before a long period of dormancy.