Antillanca volcano (Central Chile and Argentina): weekly volcanic activity report 11-17 Mar 2020
ven., 20 mars 2020, 15:4415:44 PM | AUTEUR : MARTIN
SERNAGEOMIN reported on ˂b˃11 March˂/b˃ that volcanic Alert Level raised to Yellow due to increased seismic activity near Casablanca volcano.
Antillanca volcano from satellite (image: Sentinel 2)
The seismic station records volcano-tectonic earthquakes ˂b˃since August 2019˂/b˃ located about 20,670 ft (6,300 m) NE of the volcano.
˂b˃During 31 Jan-1 Feb˂/b˃ were recorded 131 volcano-tectonic events located W and NW.
On ˂b˃9 March˂/b˃ were recorded the largest earthquakes with magnitude M 3.1 and M 3.2 and 73 seismic swarms located 2.4 km N and NW with magnitude M 1.8.
˂i˃Source: Smithsonian / USGS Weekly Volcanic Activity Report 11-17 Mar 2020˂/i˃
mer., 11 mars 2020, 06:00
Antillanca Volcanic Complex volcano (Chile) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 March-17 March 2020 (New Activity / Unrest)
On 11 March SERNAGEOMIN raised the Alert Level for the Antillanca Volcanic Complex to Yellow because of increased seismicity near Casablanca stratovolcano. Volcano-tectonic (VT) earthquakes began to be recorded in August 2019 and were located about 6.3 km NE of the stratovolcano. During 31 January-1 February a total of 131 VT events were located to the W and NW; the two largest events were M 3.1 and 3.2. ... Read all