Table 1 Fractures data of the 28 September 2018 Donggala–Palu earthquake
No. | Location | Latitude | Longitude | Trend of rupture zone and ground fissurea (clockwise from N) | Strike and dip of rupture plane | Fracture zone width (cm) | Horizontal displacement (cm) and slip sense | Vertical displacement (cm) and downward block | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Strike | Dip | Dip direction | ||||||||||
Donggala area | ||||||||||||
1 | Labuana | 0.1258°S | 119.8043°E | 275 | – | – | – | – | 5 | Sinistral | – | – |
2 | Balaesang | 0.1284°S | 119.8210°E | 270, 275, 295, 270 | – | – | – | – | – | – | 5–8 | S |
3 | Lenden Tovea | 0.1615°S | 119.8234°E | 308, 300, 325, 320 | – | – | – | – | – | – | 4–8 | S |
4 | Dampal | 0.2373°S | 119.7991°E | 305, 300, 320, 292 | – | – | – | – | – | – | 5–10 | W |
5 | Tondo | 0.2635°S | 119.8025°E | 350, 330, 320, 295, 325, 347, 300, 10, 0, 78 | – | – | – | 30 | – | – | 8–15 | W |
6 | Tamarenja | 0.4148°S | 119.8053°E | 29, 353, 336, 276, 12, 358, 339, 335, 247, 355 | – | – | – | – | – | – | 10–20 | W |
7 | Sindue | 0.4444°S | 119.7686°E | 305 | – | – | – | – | – | – | 8–15 | W |
8 | Amal | 0.5713°S | 119.8302°E | 304, 299, 295 | 116 | 85 | W | 320 | 40 | Sinistral | 50–70 | W |
9 | Lero | 0.6340°S | 119.8119°E | 330 | 330 | 80 | E | 20 | 18 | Dextral | 20 | E |
10 | Labuan | 0.6697°S | 119.8218°E | 334 | 334 | 84 | E | 15 | 4 | Sinistral | 6 | E |
Palu basin | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
11 | Diponegoro | 0.8836°S | 119.8416°E | 349 | 349 | 85 | E | 920 | 240 | Sinistral | 27 | E |
12 | Lasoso | 0.8888°S | 119.8431°E | 345 | 345 | 78 | E | 430 | 240 | Sinistral | 27 | E |
13 | Asam II | 0.8939°S | 119.8445°E | 345 | 345 | 80 | E | 1600 | 340 | Sinistral | 34 | E |
14 | Kedondong | 0.8968°S | 119.8453°E | 340 | 340 | 80 | E | 840 | 360 | Sinistral | 31 | E |
15 | Cemara I | 0.9003°S | 119.8456°E | 340 | 340 | 85 | E | 550 | 210 | Sinistral | 30 | E |
16 | Cemara II | 0.9096°S | 119.8463°E | 340 | 340 | 82 | E | 980 | 340 | Sinistral | 20 | E |
17 | Padanjakaya | 0.9225°S | 119.8514°E | 345 | 345 | 80 | E | 140 | 310 | Sinistral | 29 | E |
18 | Manunggal-Baliase | 0.9424°S | 119.8568°E | 347 | 347 | 85 | E | 1600 | 290–390 | Sinistral | 21 | E |
19 | Talise-Biromaru | 0.9558°S | 119.8598°E | 326 | – | – | – | – | – | – | 40 | E |
20 | Rarapadende | 0.0125°S | 119.8610°E | 320 | 320 | 83 | E | 450 | 420 | Sinistral | 20 | E |
21 | Dolobarat | 1.0259°S | 119.8625°E | 334 | 154 | 80 | W | 550 | 350 | Sinistral | 29 | W |
22 | Rogo | 1.1865°S | 119.8887°E | 330 | 330 | 70 | E | 580 | 300 | Sinistral | 500 | E |
23 | Pakuli-Sibalaya | 1.2304°S | 119.9453°E | 294, 318 | 306 | 78 | E | 290 | 51 | Sinistral | 40–44 | E |
Sigi valley | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
24 | Saluki Utara | 1.2763°S | 119.9564°E | 340 | 160 | 80 | W | 60–500 | 300 | Sinistral | 100 | W |
25 | Sadaunta | 1.3800°S | 119.9753°E | 239 | – | – | – | – | – | – | 15 | E |
26 | Laone | 1.4056°S | 119.9778°E | 318 | – | – | – | 10 | – | – | 5 | E |
27 | Bolapapu 2 | 1.4141°S | 119.9807°E | 261 | 261 | 80 | W | 100 | 10 | Sinistral | 14 | W |
28 | Bolapapu 1 | 1.4272°S | 119.9828°E | 340 | 340 | 75 | E | 530–600 | 90 | Sinistral | 50 | E |
29 | Tongkulawi 2 | 1.4314°S | 119.9840°E | 290 | 290 | 78 | E | 510 | 50 | Sinistral | 14 | E |
30 | Tongkulawi 1 | 1.4356°S | 119.9798°E | 315 | – | – | – | – | – | – | 15 | E |
31 | Boladangko | 1.4508°S | 119.9823°E | 342, 345, 325, 340 | – | – | – | 220–420 | – | – | 10–22 | E |