Activity of Nevados de Chillán, Poás, Rincón de La Vieja and Villarica.

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

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

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