El Hierro volcano update: new pulse of volcanic tremor near La Restinga ?

Mo, 17. Mär 2014, 08:57
08:57 AM | VON: T
Current seismic signal at CRST station in La Restinga (IGN)
Current seismic signal at CRST station in La Restinga (IGN)
Current seismic spectrum and tremor amplitude (CRST station)
Current seismic spectrum and tremor amplitude (CRST station)
Depth vs time of earthquakes at El Hierro volcano during the past 30 days
Depth vs time of earthquakes at El Hierro volcano during the past 30 days
What looks like a new swarm of earthquakes accompanied by strong harmonic tremor appeared on the southernmost seismic station at La Restinga. If it is not due to some local, human-induced work or malfunction, it suggests that the quakes are very shallow, since they don't appear on the signals of other stations.
Whatever is happening there will probably become clearer soon.
The latest earthquake swarm in the NE part of the island had more or less stopped during the past 24 hours. Some GPS stations showed 2-4 cm uplift during the weekend, which supports the idea of a new deep magma intrusion.

Vorherige Nachrichten

Sa, 15. Mär 2014, 11:05
Location of earthquakes under El Hierro since yesterday
A new swarm of earthquakes started yesterday. So far, almost 200 tiny quakes (none above magnitude 3 so far) have occurred in a broad N-S oriented area beneath the NE part of the island at around 18 km depth. Read all
Fr, 27. Dez 2013, 18:23
A large earthquake of estimated magnitude 5.4 (USGS) occurred just minutes ago. USGS places the quake at 22.8 km depth NW of El Golfo, i.e. away from the area of the recent earthquake swarm and current inflation. ... Read all
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