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El Hierro / Canary Islands - Most Recent Information By The Most Diligent - And Recap Of Past Year
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[quote:shenue:MV8xOTkxNzI2XzM2NzYzNTE5XzNCQ0JBRjhG] El Hierro: [b]2013-03-20 11:20 UTC[/b] - Yesterday IGN has listed 114 earthquakes, the last part of the list a little weaker than the first part. The depth remained at 16-18 km (no change vs the day before). - ONLY 15 earthquakes today and all of them are considerably weaker (only 1 +M2). This crisis looks to be very short-lived. [b]2013-3-19 17:24 UTC[/b] A comment from Joke Volta, who has picked up her art work again, but wants to share a few words with our readers : W will to wait a few more days to have a better view about the current intrusion. As it looks now, there is not enough “power” to end up in an eruption. But..well..this can change, just as the” sudden” appearance of this activity yesterday afternoon. In the Golfo/Frontera-area people do feel the quakes. Down here in El Pinar, I do not notice movements… It surely would not be safe to enter lava-tubes or discovering caves at this moment for the reason that there can be a gas-escape based on the current activity. I hope that every visitor of the island will get information after or even before they arrive. Until now it is not dangerous, but I do recommend to get a steady information about the situation.Earthquake-report offers this – regards to all of you, Joke [b]2013-03-19 16:25 UTC[/b] - 94 earthquakes listed until 14:00 UTC - The Salvamar Adhara has been cruising in the Las Calmas sea earlier today (based on data from Marinetraffic.com). - The seismic activity has weakened considerably since 11 AM UTC. Strongest earthquake M2.6, depths unchanged. [b]2013-03-19 11:25 UTC[/b] - NO real change at the moment. Same hypocenter depth. The AVCAN map below shows the epicenters of the last earthquakes (77 since midnight now). The quakes are gradually migrating to the unpopulated western part of the island, the greater area of the second last very intense seismic activity, only at that time most quakes were recorded at the deeper +20 km layer. In general, we do think that the present activity has chosen a new path, mainly in depth. [b]2013-03-19 08:07 UTC[/b] - 143 earthquakes yesterday alone ! - 24 earthquakes so far today (at least stronger ones as the number of volcanic earthquakes is much higher than this number). The strongest earthquake since midnight was a M3.1. The depth (or magma intrusion depth) is still located in between 16 and 18 km. - The third map is the epicenter/hypocenter map. The red squares are showing the seismic activity of the last 12 hours. This activity is mainly located in the Sabinosa area (in the sea and below land). - Important to look at for the following hours is an eventual migration of the epicenter and/or hypocenter location. Not a single event is important but the average of multiple events. MUCH, MUCH MORE http://earthquake-report.com/2011/09/25/el-hierro-canary-islands-spain-volcanic-risk-alert-increased-to-yellow/ [/quote]
Original Message
I am the former user "Idgits". About 100 consistent followers and contributors and I created the most informative thread on El Hierro and the Canary Islands archipelago that GLP has ever seen.
Thread: Best El Hierro Thread On GLP - Canary Islands - ACTIVITY HAS RETURNED - AGAIN!
I have since deleted the account that I was using to start that thread, thus the reason it says "AC" now as the original poster.
During the course of that thread I removed all of the "Hi's" and "How are you's" and "bump's" until about page 500...which condensed the thread down to around 280 pages. It has since continued to grow and has become a true source of facts surrounding the earthquake swarm and eventual eruption that took place last year, ending early this year.
Since that eruption officially ended, Hierro has shot back into action several times. I believe we are on the 4th major swarm of activity that has occurred since the eruptive phase ended. It has been recommended by one of our most consistent and well informed users "Shenue" as well as others, to start a new thread to showcase the newest events occuring in Hierro. The previous eruption was incredible, teaching science a whole new concept and understanding of underwater eruptions. It also produced the most radioactive lava ever recorded.
The most incredible feat of Hierro though, is how much pressure it is capable of maintaining WITHOUT erupting. In the last swarm we saw such an incredible increase in pressure that any other geologic formation would've theoretically blown sky high. But not Hierro...it's always maintained it's strength. The current combined energy under Hierro from both magma flow and seismic energy released is basically unknown as IGN stopped recording all the joules together...they stopped the eruptive phase recording in May of this year...here is that chart [
link to www.01.ign.es
]
So...this new thread is to pick up where Hierro has brought us now. I need to be able to change the thread title as events occur and be able to alert people with that title in case something serious occurs. In addition, there is SO MUCH information in that past thread that it's difficult for new users and followers to sift through to the most recent activities. Below I have comprised a list of information and links relative to the old thread. It's information that took us a year plus to gather!
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