Kilauea, located on Hawaii's Big Island, is showing signs of imminent activity, according to the Hawaiian Volcano Observatory. Summit inflation -- or the physical swelling or uplifting of the ground surface of the volcano's peak -- is underway, it said.

The Titan Ridge Volcano is erupting in the Bismarck Sea, sending ash and smoke into the sky and prompting authorities to warn of possible tsunamis in the area.

The volcano's activity has been described as rare and unusual, and coastal communities living around PNG's Bismarck Sea have been advised to be on heightened alert.

THIS is the horror moment hikers run for their lives as a volcano erupts under their feet and spews choking plumes of smoke. Harrowing footage shows the tourists mere metres from the crater when

Sakurajima will not quit. The squat, ash-gray stratovolcano that looms across Kinko Bay from downtown Kagoshima has been firing off explosions from its Minamidake summit crater with a regularity that would be alarming almost anywhere else on Earth.

Delfina Guiwan’s heart was pounding as she snuck back to her village, now abandoned and eerily quiet, in the fertile foothills of gently erupting Mayon volcano in the northeastern Philippines.