An island that is formed by volcanic activity, typically featuring volcanic rock and sometimes lava.

ज्वालामुखीय द्वीप

English Usage: The volcanic island is home to unique flora and fauna.

Hindi Usage: ज्वालामुखीय द्वीप पर अद्वितीय वनस्पति और जीव-जंतु पाए जाते हैं।