While Teide tends to erupt about every 100 years, predicting an eruption is difficult.
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“There is continuous seismicity between Gran Canaria and Tenerife. We have evidence of it since earthquakes began to be documented in the Canary Islands in the 1950s, when the first seismic station was installed, and then, with the expansion of the network during the 70s”.
The island of La Palma in the Canary Islands is at risk of undergoing a large landslide, which could cause a tsunami in the Atlantic Ocean. Volcanic islands and volcanoes on land frequently undergo large landslides/collapses, which have been documented in Hawaii for example.
The Canary Islands have very low crime rates. The most serious tourist crime is often the pick pocketing of wallets, phones and passports in beach resorts. Keep a copy of your passport in your accommodation.
Eruptions on La Palma can last from a few weeks to several months. “The only way to know is to know the total volume of eruptible magma under Cumbre Vieja,” says Pablo J. González, a physical volcanologist at the Spanish National Research Council on Tenerife.
The volcano rumbled for 85 days, ejecting ash and rivers of lava that swallowed more than 1,000 homes, cut off highways and suffocated the lush banana plantations that drive the island's economy. The eruption was declared over on Christmas Day, leaving residents grappling with the daunting task of rebuilding.
Some 3,000 properties were destroyed by lava that now covers 1,219 hectares - equivalent to roughly 1,500 soccer pitches - according to the final tally by the emergency services.
The water on the coast of Tenerife is not particularly warm, but you can still swim, even during the winter months. On the other hand, the lower water temperature (due to cold currents) provides excellent natural protection from dangerous sea creatures.
This means that there is more than a 10% chance of a potentially-damaging tsunami occurring in the next 50 years. Based on this information, the impact of tsunami should be considered in different phases of the project for any activities located near the coast.
The Canaries comprise the Spanish provincias (provinces) of Las Palmas and Santa Cruz de Tenerife, as well as the insular councils of Gran Canaria, Fuerteventura, Lanzarote, Tenerife, La Palma, La Gomera, and Ferro. The autonomous community was established by the statute of autonomy of August 10, 1982.