Deep Low-Frequency Seismic Activity in the Kii Peninsula and Tokai Region (May 2025)

Intense tremor activity was observed on the Kii Peninsula from April 27 to May 14, extending from the southern to the northern parts.

Upper: Figure 1. Spatiotemporal distribution of deep low-frequency tremors in the Kii Peninsula and Tokai region from June 2005 to June 6, 2025.
Lower: Figure 2. Tremors (red circles) and deep low-frequency earthquakes (blue diamonds) during each period.

National Research Institute for Earth Science and Disaster Resilience
[Evaluation of Seismic Activities for May 2025 (June 10, 2025)]