[Contribution] What the Nankai Trough megaquake threat means for South Korea

What happened: A Korea Meteorological Administration official wrote that Japan's Nankai Trough megaquake threat could affect South Korea, citing long-period ground motion that can sway distant high-rise buildings. Key numbers: Japan estimated a maximum-class Nankai Trough quake could cause about 298,000 fatalities and leave around 2.35 Why it matters: The KMA plans to expand overseas earthquake analysis beyond Kyushu to include the Nankai Trough and is developing technology to estimate building responses, aiming to give more detailed information on expected shaking at different heights. Coverage: 3 outlets in 24h

A Korea Meteorological Administration official wrote that Japan's Nankai Trough megaquake threat could affect South Korea, citing long-period ground motion that can sway distant high-rise buildings.

The KMA plans to expand overseas earthquake analysis beyond Kyushu to include the Nankai Trough and is developing technology to estimate building responses, aiming to give more detailed information on expected shaking at different heights.