A toddler could have plummeted to his death on Christmas Day at Hawaii's Kilauea volcano if not for his mother's quick reaction, officials said.

A boy, roughly 2 to 3 years old, ran into a closed area Wednesday at the Kilauea Overlook, coming within a foot from the edge of Kaluapele, the summit caldera, before his mother managed to pull him to safety.

Lava is bubbling through the crust of one of the world’s most active volcanoes, which is Kilauea, on Hawaii’s Big Island.

National Park officials urged caution after a toddler nearly fell off a 400-foot cliff while the family visited erupting volcano Kīlauea. After a three-month pause the Kilauea Volcano in Hawaii started erupting on Dec.