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Volcanic activity worldwide 1 Oct 2013: Tjörnes Fracture Zone

Tuesday Oct 01, 2013 23:03 PM |

Location of recent quakes at the TFZ
Location of recent quakes at the TFZ
Tjörnes Fracture Zone (North of Iceland): An intense earthquake swarm has been going on offshore North Iceland, 10 km NW of Gjögurtá, since 25 September. This morning, 2 earthquakes reaching magnitude 3 and 3.2 occurred at 06:14 and 07:41. In total, more than 1000 quakes have been recorded by IMO.
The depths of the quakes vary from about 15 km depth (crust-mantle boundary) to near surface. The area is located on an active fault line related to rifting, and a possible cause of the earthquake swarm could be a magmatic intrusion.
Previous news
Small ash plume from Klyuchevskoy volcano this morning
Tuesday, Oct 01, 2013
Monte Albano (Italy): A second (and much more violent) geyser-like fumarole or mudvolcano recently appeared off shore near Fumiciono, approx. 100 meters out from the beach in the area where the new port of Rome is being built. It is an underwater vent that produces fountains of upwelling sediment-rich water driven by strong degassing from the sea floor: ... [more]
Current tremor signal (ESLN station, INGV Catania)
Sunday, Sep 29, 2013
Etna (Sicily, Italy): Activity at the New SE crater has eased for now. Some occasional small strombolian explosions were last noted about 2 days ago. Tremor amplitude has decreased slightly as well. ... [more]
Explosion yesterday evening (25 Sep) from Etna's New SE crater (photo: Marco Restivo / www.etnawalk.it)
Thursday, Sep 26, 2013
Etna (Sicily, Italy): Strombolian activity continues at the New SE crater. Whether (and when) this might lead to another paroxysm is unclear. The volcanic tremor signal is still relatively low. ... [more]
Ash emission from Etna's New SE crater this morning
Tuesday, Sep 24, 2013
Etna (Sicily, Italy): Weak strombolian activity and ash emissions continue from the New SE crater. Tremor amplitude continues to rise very slowly. ... [more]
Small ash eruption from the New SE crater this morning (Etna-Trekking webcam)
Sunday, Sep 22, 2013
Etna (Sicily, Italy): Sporadic small ash emissions have reappeared from the New SE crater during the past days, although weather conditions did not often allow direct observation. Since about 4 days ago, tremor has been showing a slowly rising trend, although it is still at low levels. ... [more]

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