Machin volcano (Colombia): shallow magnitude 2.8 earthquake
Sun, 14 Apr 2013, 10:1910:19 AM | BY: T
On April 13 at 15:54 (local time), a volcano-tectonic earthquake of magnitude 2.8 associated with rock fracturing within the volcanic edifice occurred southwest of the main dome a depth of 7.4 km, and was felt by residents near the volcano, in the municipality of Cajamarca, in the village of Toche and the area known as Moral (Tolima).
Seismic signal from Machin volcano yesterday (CIMA station, Weber County)
Thu, 28 Mar 2013, 14:46
Seismic activity remains elevated with frequent earthquake swarms. A probably shallow swarm occurred yesterday, but has now eased again. INGEOMINAS locates most volcanic-tectonic earthquakes in an area SE of the dome at depths between 3.5 - 8 km. No surface activity has been observed (yet). ... Read all