3D model of the 2018 Lombok earthquake sequence

3D Model

This model showcases the complex rupture of the Flores Thrust beneath Lombok, Indonesia in 2018. A magnitude 6.4 foreshock was followed by two magnitude 6.9 mainshocks, which ruptured a ~20° dipping fault plane extending beneath Gunung Rinjani volcano. Analysis of relocated seismicity observed by a rapidly deployed seismic array shows that the heat from volcano system has strongly affected the fault. This ‘thermal squeezing’ of the seismogenic zone set the stage for the complex rupture sequence that occurred in 2018.

More information can be found at: https://earthobservatory.sg/blog/how-volcano-influenced-earthquakes-lombok-indonesia

The original paper (Lythgoe et al., 2021) and the supplementary data can be found at: https://advances.sciencemag.org/content/7/5/eabe2348

This figure was made using tectoplot (https://github.com/kyleedwardbradley/tectoplot/)