Irazu volcan

Stratovolcano 3432 m / 11,260 ft

Condition actuelle: normal / en sommeil (1 sur 5)
Last update: 29 févr. 2020

Irazú (3432 m) immediately east of the capital San José is Costa Rica's highest and one of its most active volcanoes. Tephra fall (ash) during the last major eruption of Irazú in 1963-65 caused heavy damage to infrastructure and life in San José and its surroundings.

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Style éruptif tipique: Explosive.
Eruptions du volcan Irazu: 1726, 1775(?), 1821(?), 1822, 1823, 1826(?), 1842, 1844(?), 1847, 1864, 1875, 1882(?), 1909(?), 1914(?), 1917-21, 1924, 1928, 1930, 1933, 1939-40, 1963-65, 1977, 1994

HeureMag. / ProfondeurDistance/Lieu
mardi, 19. octobre 2021 14:55 GMT (1 séisme)
19 oct. 2021 08:55 (GMT -6) (19. oct. 2021 14:55 GMT)

101 km
19 km (12 mi)
Costa Rica: 17 Km Al Oeste De Guapiles, Pococi.
lundi, 18. octobre 2021 16:29 GMT (1 séisme)
18 oct. 2021 10:29 (GMT -6) (18. oct. 2021 16:29 GMT)

12 km
49 km (30 mi)
Costa Rica: 14 Km Al Este De Tayutic, Turrialba.
dimanche, 17. octobre 2021 03:22 GMT (1 séisme)
16 oct. 2021 21:22 (GMT -6) (17. oct. 2021 03:22 GMT)

77 km
45 km (28 mi)
Costa Rica: 1 Km Al Sur De San Pedro, Poas.
vendredi, 8. octobre 2021 11:09 GMT (1 séisme)
8 oct. 2021 05:09 (GMT -6) (8. oct. 2021 11:09 GMT)

78 km
22 km (14 mi)
El Guarco, Provincia de Cartago, 19 km au sud-est de San José, Costa Rica


Irazú is a massive stratovolcano covering more than 500 sq km with at least 10 flank cones on the southern flank, all being older than at least 14,000 years when a massive lava flow (the "Ceravantes" flow) was erupted.
All known eruptions from Irazú during the past 10,000 years have been explosive and originated from the summit craters that show a migration to the W over time. The historically active crater contains a small acid lake of changing size and color.
Source: GVP, Smithsonian Institution

See also: Sentinel hub | Landsat 8
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