Volcanoes Today, 5 Oct 2013: Tjörnes Fracture Zone, Dukono, Batu Tara, Copahue (Video) [1]

Volcano Discovery [2] Saturday Oct 05, 2013 11:03 AM

The Húsavík-Flatey (HFF) transform faut and location of earthquakes in the TFZ (IMO)

Minor ash venting from Copahue yesterday

Tjörnes Fracture Zone (North of Iceland) [3]: The earthquake swarm has decreased in intensity. At least some scientists believe that the cause has been a magmatic intrusion in Iceland's northern rift zone that activated the Húsavík-Flatey (HFF) transform fault at the southern limit of the TFZ where the earthquakes were concentrated.

Batu Tara (Sunda Islands, Indonesia) [4]: Ash explosions regularly produce plumes up to about 7,000 ft (2.1 km) altitude, such as this morning. Activity (strombolian-type) on the remote island remains strong.

Dukono (Halmahera) [5]: An eruption produced an ash plume observed on satellite data. Estimated altitude was 6,000 ft (1.8 km). (VAAC Darwin)

Copahue (Chile/Argentina) [6]: The volcano is emitting a weak plume of gas and steam. Minor ash venting could be observed yesterday evening. No glow was visible on night-time webcam images. SERNAGEOMIN has not posted new activity reports.