TARI , Dan

Volcanic eruptions usually generate a great deal of public interest and through the social media webplatform, individuals can communicate, share information, express concerns, complain and evenacknowledge actions related to volcanic events. From September 2017 to August 2018, Vanuatuexperienced its most challenging volcanic crises since...

In December 2018, an unusually large intra- and extra-caldera eruption took place at Ambrym volcano (Vanuatu). The eruption drained the volcano's five active lava lakes and terminated, at least momentarily, the surface activity that had been ongoing for decades to hundreds of years, sustaining the largest recorded persistent degassing on the...

Eruptive activity shapes volcanic edifices. The formation of broad caldera depressions is often associated with major collapse events, emplacing conspicuous pyroclastic deposits. However, caldera subsidence may also proceed silently by magma withdrawal at depth, more difficult to detect. Ambrym, a basaltic volcanic island, hosts a 12-km wide...