The government activated a level 2 alert after analyzing ocean current data from Spain's Oceanographic Institute, saying the slick that reached coastlines earlier in the week could affect vulnerable land. Level 2 is the second highest alert level.
The government said today one beach has been cleared of oil and clean-up operations are ongoing on three other beaches near the tourist hot-spot of Maspalomas on Gran Canaria.
The Russian trawler Oleg Naydenov, carrying 1,400 metric tons of fuel oil, caught fire in a nearby port on April 11.