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7 Mountains in Indonesia that Have Erupted, Their Tremors Were So Powerful

09 April 2025
gunung meletus

Volcanic eruptions are events that cannot be avoided and often occur in Indonesia. This is because Indonesia has a geographical area surrounded by mountains, many of which are active.

Volcanic eruptions also trigger other natural disasters such as earthquakes and tsunamis, which usually cause significant damage and many casualties.

Here are 7 mountains that have erupted in Indonesia, causing extensive damage and loss of life. Some even made the world dark, due to the ash and hot clouds during the eruption.

Mount Kelud

It is said that Mount Kelud was highly respected by kingdoms in Indonesia in ancient times. The Majapahit and Kediri Kingdoms greatly revered Kelud. Both even built temples to place offerings at Mount Kelud.

This mountain, located in East Java, erupted in 2014. The effects of the eruption were significant, impacting not only East Java but also other regions on the island of Java. Yogyakarta even experienced ash rain for a full week due to this eruption.

Mount Agung

Mount Agung erupted in 1963. This mountain, located in Bali, is famous for its eruption that lasted for a year.

About 1,000 residents became victims when Mount Agung erupted. The hot ash and gas released by the mountain soared up to 20 kilometers high. In fact, its ash reached Greenland.

Mount Tambora

In addition to claiming more than 71,000 lives, the eruption of Mount Tambora even changed the world's climate. This mountain, located in Sumbawa, erupted in April 1815 and released volcanic material four times stronger than during the eruption of Krakatoa.

Mount Samalas

The name Mount Samalas is rarely known by the people of Indonesia. This is because it was destroyed after erupting in 1257. The eruption of Mount Samalas was so powerful that it caused a change in the world's climate and triggered the Little Ice Age that year.

The mountain, located in Lombok, created the Segara Anak caldera as a result of its eruption. The caldera is located at the western end of Mount Rinjani.

Mount Merapi

Who doesn't know that Mount Merapi is a volcano? This mountain is even known as the most active volcano in Indonesia.

The worst eruption of Merapi occurred in late October 2010. Its explosion was so massive that it killed more than 350 victims, including Mbah Marijan, the keeper of Merapi.

Merapi even has its own museum to commemorate its eruptions. The museum consists of household items taken from the homes of residents affected by the eruption.

Mount Galunggung

Claiming up to 4,000 lives, Mount Galunggung erupted in 1882 with tremendous energy. So powerful was the eruption that it lasted for months, during which the mountain actively released lava, fine ash, and hot reddish sand rain.

In addition to the thousands of victims, the eruption of Mount Galunggung 138 years ago caused destruction in more than 100 villages.

Mount Krakatau

The whole world was shocked when Mount Krakatau erupted at the end of August 26, 1883. The strength of its eruption was so tremendous that it darkened the world for almost three days. The eruption of Krakatau caused a tsunami with waves as high as 42 meters that struck the surrounding areas.

The eruption of Krakatau became a historical event that cannot be forgotten by the world, especially since this eruption caused a drop in global temperatures by up to 1.2 degrees Celsius. Due to its tremendous eruption, Krakatau was destroyed up to two-thirds of its part, leading to the emergence of Anak Krakatau, which now adorns the Sunda Strait.

Read also: Mount Bromo - Tourism, Location, Traditional Ceremony

Wow, those volcanic eruptions must have left trauma for the residents living nearby, especially when a family member becomes a victim. Therefore, usually when an active volcano shows reactive signs, monitoring agencies will always provide warnings.

Author: Nisa Maulan Shofa

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