Tremor amplitude (EBCN station / INGV) Etna remains highly restless. A peak in volcanic tremor occurred last night but with no visible changes in surface activity. Weak strombolian activity continues from the vent inside the Voragine summit craters. Courtesy of volcanodiscovery.com http://tinyurl.com/m5djcef Related Discover more from Subscribe to get the latest posts sent to your email. Type your email… Subscribe