Java

The Child of Krakatoa Awakes

At approximately 9:30pm local time (2:30pm GMT) on the 22ndDecember 2018, a tsunami struck Indonesia’s Sunda Strait, which lies between the islands of Java and Sumatra, claiming over 430 lives. According to Indonesia’s disaster agency there are at least 1,500 injured, over 120 people still missing, and around 12,000 people have been displaced.

Rupture durations and other physical processes of tsunami earthquakes show strong variations and the underlying mechanisms of both earthquake and tsunami generations have not been understood.

This webinar was part of the preparations for the Subduction Zone Observatory workshop held on 29 September to 1 October 2016 at the Boise Centre in Boise, Idaho, USA.

We are building a holistic understanding of regional sea-level change that includes influences from both land-height and sea-surface change.

What's Going On Under Bali?

The tectonically sleepy, yet very populated island of Bali was shaken on Wednesday morning (22 March 2017) by a magnitude-5.5 earthquake. Located 2 kilometres (km) northeast of Banjar Pasekan in southeastern Bali, the morning quake shook the area. But, because of its 118 km-depth, it did not cause major damage or any casualties.

Block-diagram showing a cross-section of the subduction zone beneath the islands of Java, Bali, Lombok and Sumbawa in Indonesia.

Block-diagram showing a cross-section of the subduction zone beneath the islands of Java, Bali, Lombok and Sumbawa in Indonesia.

WOVOdat Project Leader Antonius Ratdomopurbo showing a rock sample to field seminar participants.

In 2010 the Merapi experienced a dome collapse, which generated powerful pyroclastic flows.

In June 2006, after several months of unrest, several pyroclastic flows rushed down the southern slopes of the Merapi.

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