18th January 2012, 23:20
U.S. Geological Survey
Hierro (Spain) - Report for 11 January-17 January 2012
Instituto Geogr?fico Nacional (IGN) reported that during 11-17 January, the submarine eruption continued S of El Hierro Island. The mean amplitude of the tremor moderately increased during the week. Eighteen seismic events were located during this period, two of them felt by residents of the island. Most of the events were grouped in the central part of the island, extending offshore to the S, at depths between 6 and 29 km, with a maximum magnitude of 2.5. Analyses of GPS deformation showed stability both in vertical and horizontal components.
Source: Instituto Geogr?fico Nacional (IGN)