On the morning of May 10, a Costa Rica volcano eruption lasted nearly one hour. Costa Rica’s Observatory on Volcanology and Seismology stated that the eruption began at 4:55 a.m. and continued until 5:45 a.m.
The Turrialba volcano eruption covered the surrounding sky with clouds of ash and smoke, which reached heights of up to 656 feet. Strong winds around the surface of the volcano’s crater stopped the ash from rising further, though the ash did reach parts of Costa Rica’s capital, San José, about 30 miles from the volcano.
Authorities are reminding the public to be cautious of the ash, which can be dangerous to the eyes and lungs.
This is the latest activity in what has been a busy past several months for the Turrialba volcano. In October 2014, the volcano experienced a fiery eruption—its largest in 150 years. Since that awakening, the volcano has erupted several times. In March, the volcano experienced it’s most powerful eruption in two decades that sent ash 3,000 feet into the air and caused the closure of San Jose’s airport.
Geologists and seismologists for the Observatory on Volcanology and Seismology are on alert, closely monitoring the volcano and registering continued tremors. The Turrialba volcano is currently on green alert but could be upgraded to yellow at any time.
Earth scientists at the National Seismology Network of the University of Costa Rica issued a statement in April noting that the lava inside the volcano is rising and is only a few hundred meters from the surface. During their visit to the volcano, they also observed surface vibrations, cracking rocks, and the release of gas and vapor from the volcano’s calderas.
To the disappointment of thrill-seekers, the volcano is closed to visitors until further notice.