Page 2 - Mitigasi Gempa Bumi
P. 2
Daftar Isi
Daftar Isi ....................................................................................................................................... 1
Tujuan Pembelajaran ................................................................................................................ 2
Gempa Bumi ................................................................................................................................. 3
1. Pengertian ......................................................................................................................... 3
a. Sesar Normal. ................................................................................................................ 4
b. Sesar Terbalik (Reverse Fault). ..................................................................................... 4
c. Sesar Geser (Strike – Slip Fault). .................................................................................. 4
Jenis-Jenis Gempa ......................................................................................................................... 7
1. Gempa tektonik ................................................................................................................. 7
2. Gempa vulkanik ................................................................................................................ 7
3. Gempa runtuhan/longsoran ............................................................................................... 8
Dampak Gempa Bumi .................................................................................................................. 9
1. Getaran atau guncangan tanah (ground shaking) .............................................................. 9
2. Likuifaksi (liquefaction) ................................................................................................... 9
3. Tsunami ............................................................................................................................ 9
4. Bahaya sekunder (arus pendek, gas bocor yang menyebabkan kebakaran,dll) ................ 9
Pengertian Mitigasi ..................................................................................................................... 10
Hal Yang Perlu Dilakukan Sebelum, Saat Dan Sesudah Terjadinya Gempa ............................. 11
1. Sebelum Terjadi Gempa ................................................................................................. 11
2. Saat Terjadi Gempa......................................................................................................... 11
2. Setelah Terjadi Gempa .................................................................................................... 12
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