They said: "In the Canary Islands, in addition to volcanic activity, there is also moderate seismic activity of tectonic origin. One of the most active seismic faults is between the islands of Tenerife and Gran Canaria.
Is it safe to go in the sea in Gran Canaria?
The beaches of the Canaries are among the safest in the world – over 60 stretches of sand have received the coveted Blue Flag award. Lifeguards often patrol the beaches, so everyone can safely enjoy the ocean. It's always a good idea to watch out for the colour of beach flags along the coastline.