THE ANALYSIS OF COULOMB FAILURE STRESS FROM THE 2018 LOMBOK EARTHQUAKE AFTERSLIP AND ITS RELATION TO AFTERSHOCK
The 2018 Lombok earthquake was an earthquake with a strength of up to Mw 7.0 which had a significant impact on the Lombok area and its surroundings. After this large earthquake, a series of aftershocks occurred, increasing the risk of further damage. Although much research has been carried out re...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/81180 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | The 2018 Lombok earthquake was an earthquake with a strength of up to Mw 7.0
which had a significant impact on the Lombok area and its surroundings. After this
large earthquake, a series of aftershocks occurred, increasing the risk of further
damage. Although much research has been carried out regarding the 2018 Lombok
earthquake, research regarding the Coulomb Failure Stress value in the afterslip
area of the Lombok earthquake and its relation to the level of seismicity in this area
has not yet been studied. This research aims to analyze the Coulomb Failure Stress
value on the fault plane after the 2018 Lombok earthquake and investigate its
relationship with aftershock events. The correlation between Coulomb Failure
Stress and aftershock was carried out to understand the relationship between the
two. Numerical modeling was carried out using afterslip field data and aftershock
distribution data collected through several previous studies. Modeling results show
that the majority of aftershocks after the 2018 Lombok earthquake were not
triggered by afterslip fields. |
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