Harra of Arhab
Yemen · Asia
About
The mainly Quaternary Harra of Arhab is the northernmost, historically active volcanic field (Ḥarrah) in Yemen. Also known as the "Sana'a-'Amran volcanic field", or simply the "Sana'a volcanic field", it has erupted in ancient times.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.