A sunken area or rift on the summit of a volcano.
एक ज्वालामुखी के शिखर पर धंसी हुई या दरार वाली क्षेत्र।
English Usage: The volcanic summit graben was a significant feature of the eruption site.
Hindi Usage: ज्वालामुखीय शिखर दोष उस विस्फोट स्थल की मुख्य विशेषता थी।
jvalaamukhiiy shikhar dosh, jvalamukhii shikhar dosh, jwalaamukhi shikhar dosh, jwalaamukhiy shikhar dosh, jvalamukhi shikhar dosh, jvalamukhiy shikhar dosh
