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Latest news from Turrialba volcano:

Explosion from Turrialba volcano at 04:12 local time yesterday (image: OVSICORI-UNA)
Tuesday, Jun 30, 2020
OVSICORI-UNA reported that surveillance cameras observed an eruption producing ash emissions at 08:18 local time yesterday. Plume of ash rose to an altitude of 11,286 ft (3,440 m) and took place less than 1 minute. ... [more]
Turrialba volcano visible from satellite (image: Sentinel 2)
Thursday, Jun 25, 2020
On 25 and 26 June OVSICORI-UNA recorded 3 small emissions of ash that lasted at intervals of 5 to 15 minutes. ... [more]
 

Turrialba volcano

Stratovolcano 3340 m (10,958 ft)
Costa Rica, 10.03°N / -83.77°W
Current status: restless (2 out of 5)
Turrialba webcams / live data | Reports
Turrialba volcano books | Tours
Last update: 30 Jun 2020 (occasional minor ash explosions)
Typical eruption style: Explosive.
Turrialba volcano eruptions: 1723(?), 1847(?), 1853, 1855, 1861(?), 1864-65, 1866, 2010 (Jan 4) - ongoing Turrialba volcano seen from Irazu
TimeMag. / DepthDistanceLocation
Fri, 3 Jul 2020
Fri, 3 Jul 09:04 UTCM 3.0 / 15 km19 km6 km al Oeste de Guapiles, Pococi. (Costa Rica)
Sun, 28 Jun 2020
Sun, 28 Jun 10:41 UTCM 2.5 / 6 km13 km4 km al Norte de Santa Teresita, Turrialba. (Costa Rica)
Sat, 27 Jun 2020
Sat, 27 Jun 16:03 UTCM 2.4 / 6 km13 km5 km al Norte de Santa Teresita, Turrialba. (Costa Rica)
Sat, 27 Jun 13:33 UTCM 2.5 / 6 km13 km5 km al Norte de Santa Teresita, Turrialba. (Costa Rica)
Mon, 22 Jun 2020
Mon, 22 Jun 08:12 UTCM 3.5 / 3 km8 km12 km al Sur de Guapiles, Pococi. (Costa Rica)
View all recent quakes
Turrialba (3340 m) is the easternmost of Costa Rica's active volcanoes. It is a large stratovolcano with a complex of 3 summit craters and its flanks mostly covered by farmland and forest. vegetation. After its previous eruption in 1866, signs of unrest started in 2006 and new phreatic activity began on Jan 4, 2010.

Background:

Turrialba is the easternmost of Costa Rica's active volcanoes and a large vegetated basaltic-to-dacitic stratovolcano. It is located opposite Irazú volcano, both being separated by a broad saddle.
Together with Irazú, Turrialba is one of Costa Rica's largest volcanoes. During the past 3500 years in prehistoric times, it has had at least 5 larger explosive eruptions. The top of Turrialba has 3 craters at the upper SW end of a broad 800 x 2200 m wide summit depression breached to the NE.
Eruptions from Turrialba occurred mostly from the summit craters, although two flank cones are found on the SW flank. During the 19th century, a few eruptions occurred that produced pyroclastic flows. Since an eruption in 1866 and until 2006, Turrialba was quiescent, but showed strong fumarolic activity at the central craters.
Since 2006, increased fumarolic and seismic activity were noted. On Jan 4, 2010, two new vents that later merged into a fissure aligned along the tectonic trend of the summit area opened in its western crater and started to erupt large amounts of sulphur dioxide gas and occasional lithic ash. This phreatic activity was accompanied by strong tremors and continued for a few days, but declined since Jan 8. Ash fall in the surroundings of the volcano and acid rain caused damage to agriculture and prompted evacuation of about 30 inhabitants living in the immediate vicinity of the volcano.


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See also: Sentinel hub | Landsat 8
 

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