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.

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Indonesia earthquake and tsunami: The initial quake struck as evening prayers were about to begin in the world’s biggest Muslim majority country. Picture: Reuters

The first is somewhat shaky, but remarkable for showing large structures in motion, including a transmission tower:

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.

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Landslide Blog – Lateral spreads from the 2018 Sulawesi earthquake

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