Ships and aircraft have been ordered to stay away from the bubbling waters around La Restinga, and the Port's 600 residents have been evacuated. Read more here...
Spanish government handout / AFP - Getty Images
This image released Nov. 3, shows green and brown stains at sea off the coast of the Spanish Canary Island of El Hierro. A series of quakes including one measuring 4.0 on the Richter scale shook Hierro island in Spain's Canaries, three weeks after a nearby undersea volcanic eruption. The 4.0-magnitude quake struck at 0755 GMT in the Atlantic about five kilometres (three miles) northwest of the town of Frontera, population 4,000, said a report by the National Geographical Institute.
Spanish Institute of Oceanograph / EPA
This computer-genereated image shows the underwater volcano in the southern area of El Hierro Island, in the Canary Islands, Spain, on Oct. 31.
Canary Regional Goverment handout / EPA
This image made available on Nov. 4 shows volcanic activity on Nov. 3 from underwater volcano at El Hierro island coast, Canary Islands, Spain. The volcano has being erupting and causing the ground to shake several times a day since July 2011.
Follow the volcano's activity blow-by-blow on Earthquake Report