oregon 616:08:16 UTC 1.6 magnitude, 11 km depth Klamath Falls, Oregon, United States 1.6 magnitude earthquake 16:08:16 UTC at 16:08 May 15, 202516:08:16 UTC 1.6 magnitude, 11 km depth Klamath Falls, Oregon, United States 1.6 magnitude earthquake 16:08:16 UTC at 16:08 May 15, 2025