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Santa Isabel volcano

Updated: Mar 27, 2023 16:21 GMT -
shield volcano 4950 m / 16,240 ft
Colombia, 4.82°N / -75.37°W
Current status: normal or dormant (1 out of 5)
Last update: 14 Mar 2022

Santa Isabel volcano is a small andesitic shield volcano in NW Colombia, 9 km SSW of Nevado del Ruiz volcano and NW of Tolima volcano.

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Typical eruption style: effusive
Santa Isabel volcano eruptions: none in historic times

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Monday, March 27, 2023 GMT (1 quake)
Mar 26, 2023 10:03 pm (GMT -5) (Mar 27, 2023 03:03 GMT)

14 km
24 km (15 mi)
Friday, March 24, 2023 GMT (2 quakes)
Mar 24, 2023 10:26 am (GMT -5) (Mar 24, 2023 15:26 GMT)

11 km
16 km (9.9 mi)
Mar 23, 2023 7:10 pm (GMT -5) (Mar 24, 2023 00:10 GMT)

13 km
8.3 km (5.2 mi)
Departamento de Tolima, 30 km southeast of Manizales, Caldas, Colombia
Sunday, March 19, 2023 GMT (1 quake)
Mar 18, 2023 11:37 pm (GMT -5) (Mar 19, 2023 04:37 GMT)

1.4 km
15 km (9.3 mi)
Wednesday, March 15, 2023 GMT (1 quake)
Mar 15, 2023 9:29 am (GMT -5) (Mar 15, 2023 14:29 GMT)

24 km
40 km (25 mi)


3 lava domes occupy the elongated, N-S-trending glaciated summit region, which has 2 main peaks. Lava flows less than 10,000 years old fill valleys SW and SE of Santa Isabel, but there are no known historic eruptions.
A small lava dome is found about 10 km SW of the volcano.

Laguna Verde in Los Nevados National Park is a 900x400m volcanic lake at an elevation of 4300 m 2 km NE of Santa Isabel Volcano.
The lake is known for its ecosystem and birdlife. It belongs to the Subalpine Rain Páramo, with a climate of low temperatures (3º - 6°C), annual rainfall of 1000–1500 mm, high humidity and strong winds.
In 2000, many birds were killed at the lake, because of an increase of toxic ammonium salts.
Source: Juan C. Verhelst (2006) "APPARENT NATURAL POISONING OF NEOTROPICAL MIGRATORY BIRDS AT LAGUNA VERDE, COLOMBIA", Ornitología Colombiana No 4 (2006): 70-72

See also: Sentinel hub | Landsat 8 | NASA FIRMS
Mon, 6 Jun 2016, 14:57

Santa Isabel volcano (Colombia): small increase in earthquakes

During May 2015, GGC recorded an increase in small seismic activity associated with fracturing of rock inside the volcano, compared to April. The quakes (all below magnitude 2) were concentrated in the northern and eastern sectors of the volcanic edifice at depths ranging between 3.4 and 6.6 km. No other significant changes were detected at the volcano and its alert status remains at "green". Read all
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