Abstract
Seismic observations were carried out at Stromboli from October 16th to 24th, 1972.
One three-component seismic station was set up at Semaforo Nuovo, about 2 km on the E of the crater plain.
Seismic observations showed the occurrence of microtremors, with variable amplitude but constant frequency content, and different types of explosion earthquakes. Spectral and vibration orbit analyses of microtremors and quakes were made in order to infer their nature and the depth of origin. Changes in microtremor amplitudes corresponding to different phases of volcanic activity indicate that their study may be useful in forecasting strongly explosive volcanic phases at Stromboli.
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Bascio, A.L., Luongo, G. & Nappi, G. Microtremors and volcanic explosions at Stromboli (Aeolian Islands). Bull Volcanol 37, 596–606 (1973). https://doi.org/10.1007/BF02596894
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DOI: https://doi.org/10.1007/BF02596894