Original: An Italian volcanological mission analyzed gas samples from fumaroles along the Arenas crater floor and proved them to be a mixture of carbon dioxide and sulfur dioxide, indicating a direct release of magma into the surface environment.
Simplified: An Italian volcanological mission analyzed gas samples from the fumaroles along the Arenas crater floor and proved them to be a mixture of carbon dioxide and sulfur dioxide, indicating a direct magmatic release into surface environment.