On February 7 at 8:07 p.m. local / 11:07 p.m. UTC the seismic stations of Nevados de Chillan recorded a volcano-tectonic earthquake of magnitude 3.1, associated with the fracture of rocks, at 1.6 km from the Nicanor crater, and a depth of 2, 7 km.
No change in surface activity was associated with this earthquake.
The technical alert level remains in Naranja
Sources: Sernageomin & Onemi
On February 7 at 8:07 p.m. local / 11:07 p.m. UTC the seismic stations of Nevados de Chillan recorded a volcano-tectonic earthquake of magnitude 3.1, associated with the fracture of rocks 1.6 km from the Nicanor crater, and a depth of 2, 7 km. No change in surface activity was associated with this earthquake. The technical alert level remains in Naranja Sources: Sernageomin & Onemi
In Costa Rica, the Poas presents a degassing at the level of the acid lake, well filled, and of the mouth B; a weak background tremor is recorded. No eruptive phenomenon is reported.
After the phreatic eruption of last week, the seismic activity of Rincon de La Vieja has been showing from 3 h on February 7 a background tremor and earthquakes LP and tornillo.
An overflight of the volcano was carried out on February 6; it revealed fumaroles, degassing is the only surface activity.
Sources: Ovsicori and RSN
Rincon de La Vieja - overview of 06.02.2020 - Doc. Dr. Paulo Ruiz (Red Sismológica Nacional) y el Dr. Cyrill Muller (OVSICORI).
Rincon de La Vieja - overview of 06.02.2020, no big morphological changes in the crater - Doc. Dr. Paulo Ruiz (Red Sismológica Nacional) y el Dr. Cyrill Muller (OVSICORI).
POVI reports ejections of lava spatter captured by webcams on January 31, 2020 at Villarica.
A small glow is noticed in the night from February 7 to 8.
Source: POVI
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