The fire in the north of the island started Tuesday night and has forced the evacuation or confinement of nearly 8,000 people

From a different source in Spanish, updated yesterday: https://www.eldiario.es/canariasahora/sociedad/tenerife-no-descansa-espera-lluvia-milagrosa-despierto-hora-ver-avanza-fuego_1_10454461.html

It is a sixth generation wildfire never seen before in Canarias, a consequence of climate change: “The island has gone through a very important rainfall deficit and a heatwave without precedents.”

https://www.eldiario.es/canariasahora/tenerifeahora/sociedad/incendio-forestal-tenerife-complica-norte-afecta-diez-municipios-obliga-nuevas-evacuaciones_1_10453798.html

The fire has ravaged over 8400 hectares. The fire has reached an extension of 70km long perimeter since last Thursday, and has forced over 12600 people out of their homes.