Wednesday, July 9, 2014

[Geology2] Volcano News 07092014



Africa's Unique Volcano: Ol Doinyo Lengai

http://www.kuriositas.com/2014/07/africas-unique-volcano-ol-doinyo-lengai.html

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Katla volcano update: increased earthquake activity, uncertainty level declared

Wednesday Jul 09, 2014 09:37 AM | BY: T

Epicenters of earthquakes at Katla during the past 7 days
Epicenters of earthquakes at Katla during the past 7 days
Depth & magnitude vs time of earthquakes under Katla
Depth & magnitude vs time of earthquakes under Katla
Earthquakes have been more frequent recently under the volcano recently. Most of them were small (below mag. 3) and shallow events. It is unknown whether these relate to magmatic movements inside the volcano, increased hydrothermal activity or are adjustments of the ice cap due to increased melting.
The government has declared "Uncertainty level" for Katla volcano yesterday. The largest hazard comes in the form of melt-water floods and sulfurous volcanic gasses dissolved in and released from glacial rivers.
People are advised not to stop at Múlakvísl and Jökulsá and other glacier river valleys and keep cell phones turned on in order to be able to receive potential SMS alerts.
Currently, there are no signs of an impending eruption at Katla.


http://www.volcanodiscovery.com/katla/news/46110/Katla-volcano-update-increased-earthquake-activity-uncertainty-level-declared.html

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Posted by: Lin Kerns <linkerns@gmail.com>



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