However, intraplate earthquakes can also occur as the Australian plate deforms when it is subducting; faults within the downgoing slab may result in intermediate-depth events that are also considerably large.
At Mount Salak, a volcano on the island of Java, the violent tremors triggered landslides and debris masses, blocking rivers and causing floods.
The combination of earth and vegetation produced a debris flow that passed through the Ci Liwung river and into Batavia, where it entered the Java Sea.
High Mercalli intensity values at IX corresponds to the pattern of damage described by Dutch officials in Java and Sumatra.
As Banten Province is situated on pyroclastic deposits and Quaternary sediments, seismic waves were likely amplified, resulting in higher degrees of shaking.