{"id":30241,"date":"2026-02-03T15:00:06","date_gmt":"2026-02-03T20:00:06","guid":{"rendered":"https:\/\/nstem.org\/staging\/?p=30241"},"modified":"2026-02-11T16:06:14","modified_gmt":"2026-02-11T21:06:14","slug":"why-does-latin-america-have-so-many-volcanoes","status":"publish","type":"post","link":"https:\/\/nstem.org\/staging\/2026\/02\/why-does-latin-america-have-so-many-volcanoes\/","title":{"rendered":"Why Does Latin America Have So Many Volcanoes?"},"content":{"rendered":"

Have you ever wondered where all the volcanoes are? Well, they\u2019re spread out across the world, seemingly, at random. However, they still manage to span every continent, including Antarctica, and they can even be found underwater.\u00a0<\/span><\/p>\n

It\u2019s also true that many people associate volcanoes with places like Hawai\u2019i, but Latin America actually has roughly 3,000<\/a> volcanoes in its region! While Hawai\u2019i has the two most active volcanoes in the world, it houses only five volcanoes<\/a>.<\/span><\/p>\n

Why are there so many volcanoes in Latin America? Are they dangerous? What countries are they in?\u00a0<\/span><\/p>\n

Well, I\u2019m here to answer all your questions! Let\u2019s get started.<\/span><\/p>\n

Why is the Floor Made of Lava?<\/strong><\/p>\n

\"Volcano\"
Photo by Tanya Grypachevskaya<\/a><\/figcaption><\/figure>\n

Believe it or not, 80% of the Earth\u2019s surface is covered in volcanoes<\/a>. That\u2019s a lot of volcanoes!\u00a0<\/span><\/p>\n

According to the theory of plate tectonics, Earth\u2019s land was once a supercontinent named Pangea. Then, the land mass slowly drifted apart over time into the seven continents as we know them today. Plate tectonics states that Earth is divided into slabs of rock — aptly referred to as \u201cplates.\u201d<\/a>\u00a0<\/span><\/p>\n

There are various ways these plates interact with each other. For instance, volcanoes form when a thinner plate wedges itself underneath another, thicker plate. As this happens, the friction between the two plates generates heat, causing rocks to melt<\/a>.\u00a0<\/span><\/p>\n

This change in density causes the melted rock, or magma, to rise above the surface. Once it cools, it hardens and forms a natural \u201cvent\u201d for the Earth<\/a> to release gas, steam, ash, and of course, molten lava.<\/span><\/p>\n

But why is there so many? And why does Latin America have 3,000 of them (along with two of the most active volcanoes in the world<\/a>)?<\/span><\/p>\n

Wait\u2026 The floor is Lava?!<\/strong><\/p>\n

\"map\"
Photo by Leon Overweel<\/a><\/figcaption><\/figure>\n

Well, now that we know the basics of plate tectonics, we can discuss why there are so many volcanoes in Latin America specifically.\u00a0<\/span><\/p>\n

Many of these volcanoes are a part of the \u201cRing of Fire\u201d which is a region surrounding the Pacific where many eruptions and earthquakes take place. In fact, 75% of this Ring of Fire<\/a> is located in Latin America! This group of volcanoes is referred to as the Andean Volcanic Belt<\/a>. This formed as a result of both the Nazca Plate and the Antarctic Plate sliding underneath the South American Plate.<\/span><\/p>\n

Each of these volcanoes have different patterns of activity<\/a>, and some of them aren\u2019t particularly active at all.<\/span><\/p>\n

So… The Floor isn\u2019t Actually Lava at All?<\/strong><\/p>\n

So maybe not the <\/span>entire<\/span><\/i> floor is lava. Out of these volcanoes, only about two are dangerously active. But for the most part, you won\u2019t find a significant amount of lava in Latin America.\u00a0<\/span><\/p>\n

These two volcanoes are called Galeras and Santa Maria<\/a>, and they are located in Columbia and Guatemala respectively. Galeras has maintained its active status for millions of years. The last time scientists pronounced it dormant, it proceeded to have one of the largest eruptions in recorded history. However, its last known event was in 1993<\/a>, but its next event is nearly impossible to predict. On the other hand, Santa Maria last erupted in 2011, and the lava flow has been fairly predictable<\/a> over the last ten years.\u00a0<\/span><\/p>\n

Volcanoes are magnificent, and generally, they\u2019re safe to admire from the ground. Just make sure you do your research before messing with the Ring of Fire!<\/span><\/p>\n

The Ring of Fire<\/strong><\/p>\n

Latin America is full of rich beauty, cultures, and people. But with everywhere you go, every region has significant landmarks, and how much cooler (or hotter?!) can you get than volcanoes?<\/span><\/p>\n

If you\u2019re looking to learn more, or draw up a lesson plan, here<\/a> are some resources<\/a> to help out!<\/span><\/p>\n

Written by Emily Hyser<\/a><\/p>\n

Your NSTEM Journey Begins Here!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Have you ever wondered where all the volcanoes are? Well, they\u2019re spread out across the world, seemingly, at random. However, they still manage to span every continent, including Antarctica, and they can even be found underwater.\u00a0 It\u2019s also true that many people associate volcanoes with places like Hawai\u2019i, but Latin America actually has roughly 3,000 […]<\/p>\n","protected":false},"author":9,"featured_media":30248,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[198],"tags":[492,491,502,211,490],"persona":[846,848,847],"class_list":{"0":"post-30241","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blog","8":"tag-college-and-university","9":"tag-high-school-9th-through-12th-grade","10":"tag-state-of-stem-around-the-world","11":"tag-stem","12":"tag-stem-and-the-environment","13":"persona-3-5","14":"persona-high","15":"persona-middle","16":"pmpro-has-access","17":"entry"},"yoast_head":"\nWhy Does Latin America Have So Many Volcanoes? 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