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Zufallsfotos
Bárdarbunga Vulkan
Stratovolcano approx. 2000 m / ca. 6,560 ft
Central Iceland, 64.63°N / -17.53°W
Aktueller Status: normal / ruhend (1 von 5)
Bárdarbunga Webcams / aktuelle Daten | Berichte
Bárdarbunga Vulkan-B cher
Ausbrüche des Bárdarbunga :
1080(?), 1159(?), ca. 1210, ca. 1270, ca. 1350, ca. 1410(?), 1477 (very large effusive-explosive eruption), 1697, 1702, 1706, 1712, 1716, 1717, 1720, 1726, 1729, 1739, 1750, 1766, 1769, 1797, 1807(?), 1862-64, 1872(?), 1902-03
Typische Aktivität:
Large effusive eruptions, some explosive activity.
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Bárdarbunga Vulkan: Nachrichten

Bardarbunga volcano update: Eruption continues with steady and large lava output rate

Dienstag Sep 23, 2014 07:51 | VON: T

Satellite image from 22 Sep, showing the 2 main lava flows from the Holuhraun eruption (image: Institute of Earth Sciences. Landsat 8, NASA & USGS)
Satellite image from 22 Sep, showing the 2 main lava flows from the Holuhraun eruption (image: Institute of Earth Sciences. Landsat 8, NASA & USGS)
Lava flow map as of 20 Sep (Institute of Earth Sciences)
Lava flow map as of 20 Sep (Institute of Earth Sciences)
The fissure eruption in Holuhraun continues with similar intensity as during the past days and shows no sign of stopping soon. The latest satellite images indicate that the lava now flows into two main branches, one (the older one) to the north and a new one to the east.
Astonishing lava volumes:
The lava flows erupted since the beginning cover around 37 square km and comprise a total volume of 0.4-0.6 cubic kilometers. If compared to an explosive eruption (for which the VEI scale was designed) using the Volcanic Explosivity Index (VEI) scale, the eruption has already reached the category VEI 5. It has so far erupted about the same volume of magma as the 1980 Mt. St. Helens eruption.
The discharge rate was estimated to 250-350 cubic meters per second. For a full day (86400 seconds), this corresponds to a cube measuring approx. 300 m on its sides. It would be enough to fill a soccer field with a pile 2-3 km tall of lava!

The subsidence of the Bardarbunga caldera continues with same rate as before, approx. 50 cm each day. It has now subsided by almost 30 meters in total.
Vorherige Nachrichten
Subsidence of the Bárdarbunga caldera during the past days; note the drop associated with the latest M5 quake (IMO)
Sonntag, Sep 21, 2014
A magnitude 5.4 earthquake under the caldera earlier today was associated with an abrupt drop of 20 cm! The following graph shows the ongoing subsidence during the past 3 days (1.5 m): [mehr]
Depth vs time of the recent earthquakes under Bárdarbunga
Sonntag, Sep 21, 2014
The eruption continues with most activity (lava fountains and lava flow emission) now occurring from the central vent on the Holuhraun fissure. ... [mehr]
Freitag, Sep 19, 2014
No significant changes have occurred at the ongoing fissure eruption in Holuhraun. The lava effusion rate seems to remain stable, according to IMO. ... [mehr]
Mittwoch, Sep 17, 2014
The eruption at Holuhraun continues. According to the Icelandic Met Office, there are no signs of decreasing magma output. The lava flow field continues to spread. ... [mehr]
The lava flow field at Holurhaun on 13 Sep
Dienstag, Sep 16, 2014
Eruptive activity at the Holuhraun fissure is decreasing and many believe that it might end within some days. This does not necessarily mean that the eruption & crisis is over, however, but could be just a pause. ... [mehr]
 

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