Low-frequency tremors recorded on Tenerife
The National Geographic Institute (IGN) has recorded a new episode of low-frequency seismic activity around Las Cañadas del Teide on the island of Tenerife, spanning from Thursday evening into the early hours of Friday. The first pulses, more isolated in nature, were detected between 7.20pm and 12.19am. Later, between 1.02am and 3.30am, a succession of higher-energy events occurred, in which both long-period (LP) events and hybrid events were identified.
48 events, 27 precisely located
During this interval, the IGN’s automatic system detected a total of 48 seismic events, of which 27 were able to be precisely located. The hypocentres lie between 8 and 15 kilometres in depth, with a maximum recorded magnitude of 1.9 mbLg. According to available data, the movements are concentrated in the western zone of Las Cañadas, an area where similar episodes have been recorded on previous occasions.
No increased eruption risk, says IGN
The IGN stresses that this activity does not follow the pattern of seismic swarms observed in previous months and emphasises that it does not imply an increased risk of eruption in the short or medium term, that is, within a horizon of weeks or months. As is usual in this type of phenomenon, the body warns that the data are provisional, since the low amplitude of the signals can affect the precision in the number of events detected, as well as their magnitudes and depths.
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