43 reactions · 11 shares | The Himawari-8 satellite used its multispectral composite imagery to capture the ash cloud that erupted from Mount Merapi early on March 3, 2020 (red circle). Merapi is the most active volcano in Indonesia and its eruption triggered a code-red aviation alert. Explore the world: go.usa.gov/xdwtC | NOAA Satellite and Information Service | Facebook

VOLCANO TYPES: ​1️⃣ Stratovolcano (Composite) ​Shape: Tall, steep, symmetrical cone. ​Eruption: Explosive! (Due to viscous/sticky magma). ​Structure: Alternating layers of lava and ash. ​Example: Mt. Mayon 🇵🇭 ​2️⃣ Shield Volcano ​Shape: Broad, wide, and gently sloping (like a shield on the ground). ​Eruption: Quiet/Effusive (Fluid basaltic lava). ​Structure: Built by many layers of runny lava flows. ​Example: Mauna Loa (Hawaii) 🌺 ​3️⃣ Cinder Cone ​Shape: Small, steep conical hill. ​Eruption: