A powerful earthquake struck Kumamoto Prefecture on July 28, 2024, recording a maximum seismic intensity of seven [1].
The event caused significant structural failure in urban areas, highlighting the vulnerability of traditional buildings to extreme seismic activity.
In Yatsushiro City, the shaking reached a seismic intensity of six strong [2]. The impact was severe within the Honmachi Arcade, a shopping district long frequented by locals, where multiple houses were destroyed [2]. TBS announcer Mitsuki Takayanagi said from the scene that there was devastation within the commercial heart of the city [1].
One of the most significant losses was the Ōboshi ryotei, a traditional three-story inn that completely collapsed [1]. The structure failed under the force of the quake, leaving an elderly couple who worked at the establishment to navigate the resulting rubble [1].
Emergency responders and journalists focused on the Honmachi Arcade area to assess the extent of the residential and commercial damage. While the magnitude of the earthquake was not immediately specified, the recorded intensity of seven indicates the highest level of shaking on the Japan Meteorological Agency scale [1].
Takayanagi said the reports were coming from the Honmachi Arcade, a shopping street that has been loved for many years [1].
“A maximum seismic intensity of 7 was recorded in Kumamoto Prefecture.”
The collapse of the Ōboshi ryotei and surrounding structures in the Honmachi Arcade underscores the ongoing risk that older, multi-story wooden buildings pose during high-intensity seismic events. Because the quake reached a seismic intensity of 7, the damage reflects the upper limit of the JMA scale, suggesting that even reinforced areas of Yatsushiro City remain susceptible to total structural failure.
