Information regarding Hyuganada Earthquake

A major earthquake of magnitude 7.1 (provisional JMA scale) occurred in the Hyuganada at 16:42 on 8 August 2024 (JST). A tremor with an intensity of 6 lower on the Japanese seismic scale was observed in Nichinan City, Miyazaki Prefecture, and tremors with an intensity of 5 upper on the Japanese seismic scale were recorded in Miyazaki and Kagoshima Prefectures. In addition, a tsunami with a maximum wave height of about 50 cm was observed in Miyazaki Prefecture, and a landslide disaster occurred in Kagoshima Prefecture as a result of this earthquake. The epicenter of this earthquake was located at a depth of about 30 km near the western edge of the assumed epicenter of the Nankai Trough megathrust earthquake. As a result, the JMA has issued a Nankai Trough Earthquake Temporary Information (megaquake advisory) (ended on 17:00 15 Aug). The JpGU Environmental Disaster Response Committee will continue to collect information related to this earthquake.

Related information (in Japanese)

Japan Meteorological Agency
　Press releases

National Research Institute for Earth Science and Disaster Resilience (NIED)
NIED Information on Hyuganada Earthquake occurred on 8 August 2024

National Institute of Advanced Industrial Science and Technology (AIST)
Information on Hyuganada Earthquake occurred on 8 August 2024

Cabinet Office Japan Disaster Mitigation Information
Past Earthquakes in Hyuganada

Seismological Society of Japan
References related to Hyuganada Eearthquake of 2024 and Nankai Trough Mega Earthquakes

Japan Association for Earthquake Engineereing
Hyuganada Earthquake occurred on 8 August 2024