Freitag, 11. Juli 2014

THE CANARY HOTSPOT- volcano islands blog and forum- JULY 01- 31 - 2014

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CANARY ISLANDS- ISLAS CANARIAS- KANARISCHE INSELN


^background image by wikicommonsBerthold Werner/ TEIDE Volcano Caldera/ Teneriffe/Islas Canarias
BLOG/ Startseite

ACTIVITY/ JULY 01- 31- 2014 


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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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ACTIVITY REPORTS



 JULY 28- 31- 2014


No significant change: One more quake below El Hierro on July 29 and another one on the fault line between Teneriffe and Gran Canaria:

128741331/07/201421:54:4728.1339-16.106932 1.8mbLgATLÁNTICO-CANARIAS[+]
128671829/07/201407:03:4927.7123-18.091216 1.8mbLgSW FRONTERA.IHI[+]




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 JULY 22- 27- 2014 


Canary quake activity  continued in the  same pattern as during the past months ,with magmatic  quakes below El Hierro in just lower frequency  and an average depth of 10 km and several minor quakes between the islands. in an average depth of 20 km and more,  those are likely related to tectonic processes on a larger scale:


EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo
128648126/07/201421:29:5727.7270-18.0073111.5mbLgSW FRONTERA.IHI[+]
128647226/07/201421:25:1427.7215-18.0111102.0mbLgNW EL PINAR.IHI[+]
128638425/07/201417:38:4028.2643-16.3442341.9mbLgSE GÜÍMAR.ITF[+]
128625125/07/201403:35:4128.0286-16.1822322.3mbLgATLÁNTICO-CANARIAS[+]

The strongest shock measured M 2.3.from a depth of 32 km and occured again on the fault line between Teneriffe and Gran Canaria:


EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)Localización
128625125/07/201403:35:4128.0286-16.1822322.34ATLÁNTICO-CANARIAS



Another M 1,9 shock form a depth of  34  km was measured near Gyanmar two kilometers offshore the northern coast of Teneriffe :



EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)Localización
128638425/07/201417:38:4028.2643-16.3442341.94SE GÜÍMAR.ITF


TREMORS:

Tremors dropped to   low intensity- possibly a sign that the new  magma that surged up since December 2013, might now cool down, after  it would pose no thread anymore.

The seismograph on Tenerife still shows  stronger ongoing activity below the islands. Such a strange pattern was  already frequently observed during this activity period that started end of 2013, but was  falsely believed to be a  malefunction -


FREQUENT QUAKES ON THE MIDATLANTIC RIDGE:

A shock from a quake on the midatlantic ridge on July 27 at 01: 30 in the  morning was  measured on all of the islands and caused tremors  from  01:33 UTC until 2: 05 UTC. The measured values were  relatively strongest near La Palma:



(Source: EMSC)

DEFORMATION ( EL HIERRO)

remained stable with a short up and down movement during the midth of July 2014:




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JULY 13- 21- 2014 

Canary quake activity  continued about with the same rate as during the past months ,with further quakes below El Hierro und 3 in between the islands. The depth of the magmatic quakes below El Hierro remains with 9- 12 km on the highest level, the  magma intrusion responsible  for seems to have reached yet.


EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo
128542021/07/201404:33:1527.7445-18.1836141.8mbLgW FRONTERA.IHI[+]
128533719/07/201421:11:0427.7574-18.0882171.5mbLgW FRONTERA.IHI[+]
128517419/07/201401:46:5628.0515-16.1761272.7mbLgATLÁNTICO-CANARIAS[+]
128513818/07/201416:30:4127.3163-18.5316302.4mbLgATLÁNTICO-CANARIAS[+]
128476016/07/201401:50:1427.7199-18.0403111.8mbLgSW FRONTERA.IHI[+]
128475816/07/201401:40:5628.2053-16.942892.0mbLgATLÁNTICO-CANARIAS[+]



 The Atlantic quake on July 16  occured in just 9 km depth and  now first time in the yet unaffected sea between La Gomera and Tenerife . 

128475816/07/201401:40:5628.2053-16.942892.0mbLgATLÁNTICO-CANARIAS[+]

Its epicenter was subseas between Sebastian de  La Gomera and Puerto de Santiago on Tenerife: 



The other atlantic  M 2,7 shock had its epicenter about 50- 70 km south of El Hierro in a depth of 30 km ( The deeper quakes are related to tectonic activities on a larger scale)

128513818/07/201416:30:4127.3163-18.5316302.4mbLgATLÁNTICO-CANARIAS[+]


the third Atlantiuc quake occured again on the fault line between Teneriffe and Gran Canaria:

128517419/07/201401:46:5628.0515-16.1761272.7mbLgATLÁNTICO-CANARIAS[+]




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 JULY 08- 12- 2014 


activity below el Hierro continued on the low level and  rate as observed in recent time:

EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo
128400911/07/201409:57:5927.7154-18.0459101.7mbLgSW FRONTERA.IHI[+]
128382809/07/201420:26:4527.7196-18.0076101.6mbLgNW EL PINAR.IHI[+]
128336207/07/201401:48:5327.7528-18.1414241.5mbLgW FRONTERA.IHI[+]


TREMORS


continued on the low level they had decreased to on July 05 and are still relatively strongest on Gran Canaria:

< Gran Can on 20170712

DEFORMATION / El Hierro:

There was no further deformation in June 2014:




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 JULY 01- 07- 2014 


last quake:
20140705/ another minor quake on the fault line between Teneriffe and Gran Canaria in a depth of 32 km, which seems to be related with tectonic processes on a wider scale but is not caused by magmatic activities from the hot spot  below El Hierro:


EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)Localización
128327405/07/201403:35:2228.1738-16.1512321.6mbLgATLÁNTICO-





Magmatic activity below El Hierro continued during the first week of July 2014 with low rate :

EventoFechaHora(GMT)*Latitud Longitud Prof.
(km)
Int. Máx.Mag.Tipo Mag. (**)LocalizaciónInfo











128271102/07/201421:31:3127.7151-18.0610111.9mbLgSW FRONTERA.IHI[+]
128270302/07/201412:01:3627.7562-18.0059142.0mbLgW FRONTERA.IHI[+]
128262802/07/201407:34:5327.7276-18.0652121.7mbLgSW FRONTERA.IHI[+]

TREMOR ACTIVITY

increased after July 01 on El Hierro

< tremors EL HIERRO/ 20140701

and decreased again to low levels until July 05:

< tremors EL HIERRO / 20140705

tremors are currently strongest on Teneriffe:

< tremors / TENERIFE / 20140705


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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)

letztes Beben(Kanarische Inseln ( IGN)



Bebenmap( El Hierro)


GPS deformation measure stations on El Hierro

MODVOLC/ Hawaii  thermal alerts:


^
near real time thermal alert
for 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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previous posts those contain articles about the Canary volcanism in general: 


February 10- 16- 2014

 January 15- 19- 2014

January 20- 27- 2014




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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