Montag, 1. August 2016

THE CANARY HOTSPOT- volcano islands blog and forum- AUGUST 01- OCTOBER 31 2016


CANARY ISLANDS- ISLAS CANARIAS- KANARISCHE INSELN


^background image by wikicommonsBerthold Werner/ TEIDE Volcano Caldera/ Teneriffe/Islas Canarias
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ACTIVITY/   AUGUST 01- OCTOBER  31   2016


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Activity report here will ony follow, if new events take place. For other environmental reports, please visit the solar and terrestrial blog on my homepage

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OCTOBER 30 2016:

Seismicity  was similar as in September 2016. Tremor signals were fluctuating with a sudden high  on October 24- 26: anbut decreased again to  low values until October 30. MODVOLC thermal alerts however show still a significant heat signature on top of all Canary ilslands.



October 26 was also the day, when two major quakes have again shaken  the region of the Sibillini mount  in Central  Italy. Another  but very deep 5,8 magnitude seaquake was noticed also in the volcanic active Thyrennian Sea on October 28 .

And just during this update ESMC reported, that another,  even stronger M 6.6. earthquake again hit the Sibillini region. still followed by stronger afterquakes: 




Due to Italian geologist, the region is a subduction zone , where the European plate meets the African one. Indeed, both plates show activities as -so far as I know- never before in recorded seismic history  (which is not a long time and not more than 100 years) 
 The epicenter region is sinking with an unknown rate while- the volcanic field of the Campi fleigri  had been lifted up for 8 cm during 2012 and 13.

Also on October 30- a major 3,9 quake shook the northeast of Tenerifa . It was the strongest so far in 2016 and and was- due to the IGN-  felt on the island:



EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo
es2016nblcl30/10/201601:53:1628.4496-15.964736Sentido3.9mbLgATLÁNTICO-CANARIAS[+]
es2016nbkkb30/10/201600:43:1428.2770-16.2578281.8mbLgATLÁNTICO-CANARIAS[+]
es2016nbdgf29/10/201609:01:5927.6496-18.0603151.8mbLgSW EL PINAR.IHI[+]
es2016nambn28/10/201617:15:1228.2500-16.2672281.5mbLgATLÁNTICO-CANARIAS[+]
es2016mpmdm27/10/201606:49:4628.0762-16.4009281.7mbLgSE ARICO.ITF[+]
es2016mohgn25/10/201609:42:5527.9877-16.2062292.3mbLgATLÁNTICO-CANARIAS[+]
es2016mmdjm22/10/201604:04:0427.9126-14.923691.7mbLgATLÁNTICO-CANARIAS[+]
es2016mlibn21/10/201603:08:3227.7242-18.1347141.8mbLgW FRONTERA.IHI[+]
es2016mlgln21/10/201600:09:3728.0933-16.1611351.9mbLgATLÁNTICO-CANARIAS[+]




ABCAN published the animation that shows the actual distribution of microquakes around the Canary ilands during the last two days:
via GIPHY





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SEPTEMBER 30- 2016:
Seismicity has again increased at the end of September 2016:. Tremor activity decreased after Sept 18 and was very low on September 30 
EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo
ign2016tizv02/10/201607:18:5228.2173-16.7073401.6mbLgNW VILAFLOR.ITF[+]
ign2016tith02/10/201604:00:3628.0108-16.18871.6mbLgATLÁNTICO-CANARIAS[+]
ign2016tirt02/10/201603:13:4129.9319-15.73643.0mbLgATLÁNTICO-CANARIAS[+]
ign2016thdf01/10/201606:45:4028.2551-16.11081.9mbLgATLÁNTICO-CANARIAS[+]
ign2016temh29/09/201619:55:5728.1320-16.2453111.9mbLgATLÁNTICO-CANARIAS[+]
ign2016tbiz28/09/201602:51:0229.7022-14.31353.6mbLgATLÁNTICO-CANARIAS[+]
ign2016tbcy27/09/201623:47:4328.2188-16.1884282.1mbLgATLÁNTICO-CANARIAS[+]
ign2016sxky25/09/201623:17:5528.1069-16.1333241.7mbLgATLÁNTICO-CANARIAS[+]
ign2016ssqc23/09/201608:13:2928.0568-16.7955152.0mbLgSW ADEJE.ITF[+]
ign2016sspz23/09/201608:09:4228.1970-16.718621.8mbLgN ADEJE.ITF[+]
ign2016sshd23/09/201603:41:5927.3224-14.5930633.4mbATLÁNTICO-CANARIAS[+]
ign2016sqpt22/09/201605:46:2928.0253-16.46131.7mbLgSE GRANADILLA DE ABONA.ITF[+]

























One microquake was measured  with M 1.8 n September 23 near Adeje Tenerife
and set with a depth of 2 km a new mark beeing the lowest measured since the third activity phase began on December 23 2013.

Most of the microquakes occured on the faultline between Teneriffe and Gran Canaria  in a depth of 11- 60 km- likely part of a wider scaled tectonic activity possibly related  the effect of changes in the temperature of the magma that has accumulated  in wider  parts of the Atlantic. This effect also might be the casue of a stronger quake on a fault line North of the Azores on October 01: 



SEPTEMBER 15- 2016:

Microquake activity was rather low throughout August and September 2016 with less quakes near the hot spot at el Hierro and mainly rather tectonic activities around  Teneriffe and Gran Canaria.

On the other side, Tremor activity was rather high on all islands in the first half of August,  decreased then towards the end of August 2016 and increased again during the first half of September:

I cannot really jugde that, but the stronger tremor  activity might have to do with structures breaking up by wide range tectonic movements and  water surging into the magma reservoirs. 


Comparing other hot spots , there was a significant increase on Hawaii, as well as in the  Taupo caldera on white island/ new zealand. The Yellowstone caldera clamed down in 2016 and was almost quite during the past three month.  When checking the live webcam. to my surprise, there is another strong increase in geysir activity visible on September 15 2016 , which was as strong as throughout 2015.

we had no real significant proton event on 2016. But electron accumulation is still high, and drops only very slowly after the many SPEs those happened between 2012 and 2015and  fluctuates currently still  between some hundred and more than 30.000 pfu.




JULY 2016: 

The microquake activity on an around El Hierro and around the sea mount between Tenerife and Gran Canaria was going on on low pace in  July 2016.

There was am extraordinary M 3.9 quake on July 10. Its Epicenter was near Vega de San Mateo on the northern part of Gran Canaria in a depth of 43km which is near the transit of the earth crust to  the Earth mantle.There were no reports about any surface damages nor that inhabitants had really felt that quake.

I can`t say whether the extraordinary strong quake near the Azores on July is anyway related to magmatic movements within the Canary Caldera.

AUGUST 01 2016:

 MIcroquake activity has again a bit increased at begin of August 2016. There was one near El PInar in just 6 km depth and tremor signals indicate that there is magma acitive .


EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo
ign2016ozfd01/08/201600:30:0128.4984-16.8459242.3mbLgATLÁNTICO-CANARIAS[+]
ign2016oxse31/07/201604:48:4227.8438-18.0735211.5mbLgNW FRONTERA.IHI[+]
ign2016ovzh30/07/201606:08:2527.6329-18.056281.8mbLgSW EL PINAR.IHI[+]
ign2016orzz28/07/201601:56:1027.8185-18.0584252.4mbLgNW FRONTERA.IHI[+]
ign2016oodx25/07/201623:22:2227.6903-18.32311.7mbLgW FRONTERA.IHI[+]
ign2016omae24/07/201619:13:5029.1337-14.53132.5mbLgATLÁNTICO-CANARIAS[+]



Tremor signals:

Tremors signals were higher in July 2016 on all islands including La Palma. Tremors however  are still realatively strongest near Tenerife and Gran Canaria .
But along with a microquake in just 6 km depth in El PInar on July ( the lowest there so far since begin opf the 3 activity phase in Decem,2013) Tremor signals are almost highest there since then at time of this u





























               


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useful links/ nützliche Links:
EMSC
Global Volcanism Program
Facebook Seite der AVCAN
IGN (Spain) Serie El Hierro
Volcano-discovery.com
Earthquake- report. com
MEDIEN:
KARTEN:
SOLAR (SAT)
SOLAR (info)

REAL TIME FEATURES:(click on the images to enlarge them
MODVOLC/ TENERIFE:

MODVOLC/ EL HIERRO:



letztes Beben(Kanarische Inseln ( IGN)

Bebenmap( El Hierro)

GPS deformation measure stations on El Hierro
MODVOLC/ Hawaii  thermal alerts:


^
near real time thermal alertfor El Hierro, la Palma, Teneriffe and la Gomera ( updated once per week)

volcano discovery. com : Earthquake within 30 km radius around El Hierro:

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February 10- 16- 2014
 January 15- 19- 2014
January 20- 27- 2014
January 28- February  02- 2014

previous posts those contain articles about the Canary volcanism in general: 


Mnt Teide ( Teneriffe)

related free online sources:


VOLCANOES:

"Eruptions that shook the world"

a very interesting and freely avaible  source how volcanoes work where you find all what you want to know about volcanoes

Sources of the volcanic activity at El Hierro ( since 2011):

Some may like to read a review on the volcanic activity below El Hierro in 2011:
Here is a data based report  by earthquake .com- an excellent site regularly reporting (what you never get in the news) about Earthquakes and related volcanism

worldnews.com: Special environmental reports about the Canaries 

Miscanellous:
 Geschichte Teneriffas (deutsch)





 Fataga ( Gran Canaria)



 San Cristóbal de La Laguna in 1880 (Tenerife)




Caldera de Taburiente National Park (La Palma).




Garajonay (La Gomera)




   (BBC/ 20111204)Canary Island volcano: A new island in the making?

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