Two videos have emerged that appear to show lateral spreads occurring during, or immediately after, the 2018 Sulawesi earthquake. These are remarkable, and truly terrifying, recordings.
The first is somewhat shaky, but remarkable for showing large structures in motion, including a transmission tower:
I edited this video by rotating part of the shot to help identify key characteristics of apparent landslide
— patton_cascadia (@patton_cascadia) September 29, 2018
It seems reasonably likely that this is a lateral spread type landslide, perhaps associated with a quick clay or dynamic liquefaction process.
The second video is perhaps more clear in terms of process, and is equally dramatic. The absolute terror of those involved is obvious:
This second video captures the aftermath of the earthquake well, and in particular the stunned disbelief of those involved in the 2018 Sulawesi earthquake.