Harra of Arhab

vulkanische Gebiet 3100 m / 10,170 ft
Arabian Peninsula (Welt), 15.63°N / 44.08°E
Aktueller Status: normal / ruhend (1 von 5)

Harra of Arhab volcano is an active volcanic field ca 30 km north of the Yemen's capital Sana'a. Harra of Arhab lava field contains a few small stratovolcanoes and about 60 scoria cones, that cover an area of about 1500 sq km.
At least two eruptions occurred in historical time, last between 400 and 600 AD when it produced a cinder cone and a 9 km long lava flow. The other known historic eruption occurred around 200 AD.

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Typische Tätigkeit: effusiv
Ausbrüche: 500 AD ± 100 (south flank of Kaulet Hattab), around 200 AD (east flank of Jabal Zebib)
Letzte Erdbeben in der Nähe: Keine jüngeren Beben

Beschreibung

The Harra of Arhab volcanic field (also known as the Sana'a or the Sana'a-Amran volcanic field) forms a 100-250-m-thick basaltic plateau capped by a few small stratovolcanoes and about 60 scoria cones, 2 of which have erupted in historical time.
Cones in the volcanic field are commonly aligned along a NNW trend. The ages of lavas range from Pliocene to Holocene and their chemistry is dominantly basaltic-to-hawaiitic in composition. They overlie the northern end of an area of extensive Oligocene-Miocene basaltic-to-rhyolitic rocks that extends to the SW tip of the Arabian Peninsula.


Siehe auch: Sentinel hub | Landsat 8 | NASA FIRMS
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