El Hierro volcano (Canary Islands) news & activity updates
El Hierro volcano update: New earthquake swarm
Saturday Mar 15, 2014 11:05 AM | BY: T
Location of earthquakes under El Hierro since yesterdayA 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.
A possible explanation includes a new magmatic intrusion at depth (magma accumulating at the lower crust-mantle boundary).
Friday, Dec 27, 2013
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. ... [more]
El Hierro volcano (Canary Islands, Spain): strong inflation and tremor - possible precursors to a new eruption
Thursday, Dec 26, 2013
Although earthquakes have largely ceased for the moment, the island experiences ongoing rapid inflation and harmonic tremor, both signs that an eruption could be imminent. ... [more]
Tuesday, Dec 24, 2013
The new seismic / deformation crisis continued over night with about 20 quakes between magnitudes 2-3 today so far (during the first 6 hours). The key obsservations are: ... [more]
Monday, Dec 23, 2013
Sunday, Dec 22, 2013
A new earthquake swarm started under the island today. The earthquakes are located at about 15 km depth under the southeastern central part of the island. IGN recorded more than 40 quakes with magnitudes up to 3.2 so far. Whether the earthquakes are related to new magmatic intrusions at depth is a unknown but a possible scenario. [more]