This refers to the amount of volcanic activity. “Active” means there’s regular activity, “dormant” means there’s been recent activity but the volcano is currently quiet, and “extinct” means it’s been so long since the last eruption that it’s unlikely to ever erupt again.

1. GROUP 4

2. VOLCANIC ERUPTION
A volcanic eruption is the expulsion of
gases, rock fragments, and/or molten lava
from within the Earth through a vent onto
the Earth's surface or into the atmosphere.

4. SIGN OF AN
IMPENDING VOLCANIC
ERUPTION

5. SIGN OF AN IMPENDING
VOLCANIC ERUPTION

6. SIGN OF AN IMPENDING
VOLCANIC ERUPTION

7. SIGN OF AN IMPENDING
VOLCANIC ERUPTION

9. SAFETY PRECAUTIONS
BEFORE , DURING AND
ARTER A VOLCANIC
ERUPTION

10. SAFETY PRECAUTIONS BEFORE
VOLCANIC ERUPTION

11. SAFETY PRECAUTIONS DURING
VOLCANIC ERUPTION

12. SAFETY PRECAUTIONS AFTER
VOLCANIC ERUPTION

13. THANK YOU