Update 25 June: Another of these tremors has been registered. The quake, of a magnitude 2.9 on the Richter scale, was recorded just after 11am at a depth of 20km. As said below, such tremors are normal in that location because of the fault line between the two islands.
Original post 15 May: IGN (Instituto Geográfico Nacional) recorded two earthquakes today between Gran Canaria y Tenerife. The first tremor, of 3.3 on the Richter scale, was registered at 5.31pm at a depth of 33km. The second occurred just three minutes later, and was of 2.6 on the Richter scale at a depth of 26km. The first tremor was felt by the public in Candelaria, and the Gran Canaria municipalities of Agaete y Gáldar. IGN says that no damage was reported, and that such tremors are normal in that location because of the fault line between the two islands.