A magnitude 7.7 earthquake on 2026-08-14 struck 68 km NNW of Ende, Indonesia, followed by a 6.9 magnitude quake near Pematangsiantar on 2026-08-15. Multiple aftershocks continued through late August in the same region.
A magnitude 5.9 earthquake struck 270 km west-southwest of Yanglong, China, on August 18, 2026, at 21:36 UTC, at a depth of 6 km with PAGER-YELLOW impact assessment. A magnitude 5.2 aftershock or related quake occurred 270 km south-southeast of Dunhuang on August 20, 2026, at 10 km depth.
Between 2026-07-29 and 2026-08-02, six earthquakes were recorded in Alaska and the Philippines. Alaska experienced multiple events ranging M2.6–M4.3 near the Aleutian Islands and Attu Station. A M4.5 earthquake struck 16 km southwest of Sarangani, Philippines on 2026-08-02, the strongest in the cluster.
Between 2026-07-30 and 2026-08-02, six earthquakes struck California ranging from magnitude 2.5 to 3.6. Notable events included a M3.6 near Toms Place (July 30), a M3.0 near Palomar Observatory (July 31), and a M3.6 near Pinnacles (August 2). Depths ranged from 2 to 14 kilometers.
USGS recorded several earthquakes on July 30, 2026: a 5.0 magnitude near Uto, Japan at 13:47 UTC; a 4.7 magnitude west of Abepura, Indonesia at 05:55 UTC; a 4.6 magnitude near La Tirana, Chile at 06:04 UTC; and a 2.8 magnitude near Gilroy, California at 14:04 UTC. No casualty or damage reports were included in the initial seismic alerts.
The USGS recorded six earthquakes on July 30, 2026, ranging from magnitude 2.5 to 5.8, affecting locations from Hawaii and Alaska to Indonesia and the Kermadec Islands. A 5.8-magnitude quake near the Kermadec Islands and a 5.4-magnitude quake west of Abepura, Indonesia were the largest recorded.
Cluster mixes one significant seismic event (M7.1 earthquake near Uki, Japan on July 28) with unrelated minor seismic reports from Mid-Atlantic Ridge and Alaska. Different events with no common narrative.
Multiple earthquakes of varying magnitudes occurred in geographically distant regions on July 26, including a 5.1 magnitude event near Tristan da Cunha and 4.7 in Colombia. These are isolated seismic events with no connecting narrative.