Oshiman, N., Y. Sasai, Y. Honkura, Y. Ishikawa, and S. Koyama. “Long-Term Geomagnetic Changes Observed N Association With Earthquake Swarm Activities in the Izu Peninsula, Japan”. Annals of Geophysics 44, no. 2 (December 25, 2001). Accessed July 15, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3588.