Seismic activity, eruptions, and earth science.
Kīlauea remains at Watch status following a shallow magma intrusion beneath Halemaʻumaʻu, with ongoing eruptive activity at the summit vents. A magnitude 5.0 earthquake struck northeast of Taiwan, while global volcanic monitoring highlights persistent activity at Stromboli, Fuego, and Krakatau.
Kīlauea in Hawaii has experienced a rare simultaneous intrusion and eruption event at its summit, with magma finding new pathways below the surface even as lava erupted from active vents. Meanwhile, an unconfirmed seismic event was recorded near Melbourne, Australia, and volcanic activity continues at multiple sites globally including Gunung Marapi in Indonesia.
Kīlauea volcano in Hawaii entered a new phase on September 30, 2026, with a shallow magma intrusion occurring beneath the summit even as eruptions continued in Halemaʻumaʻu crater. Meanwhile, nearby Kanlaon volcano in the Philippines shows elevated unrest with increased volcanic earthquakes. A M5.6 earthquake struck off Japan on September 30.
Multiple volcanoes remain active worldwide as of late September 2026, with Etna continuing explosive activity in Sicily and Sheveluch producing volcanic ash advisories in Kamchatka. A magnitude 4.4 earthquake struck near Mil'kovo, Russia on September 29, while seismic monitoring networks track ongoing volcanic unrest across the Pacific and Mediterranean regions.
A moderate M5.3 earthquake struck Chile on September 25, with a second M5.3 event the same day near Vanuatu. Global volcanic activity remains elevated across well-monitored stratovolcanoes including Etna, Fuego, and Semeru. Kīlauea's summit system remains active and highly pressurized, according to the latest USGS Hawaiian Volcano Observatory notices.
Global seismic and volcanic attention this week centers on Hawaii, where Kīlauea's summit system remains active with precursory lava overflows resuming from the north vent late on September 22. Meanwhile, several moderate earthquakes struck near sparsely populated regions, including a M5.2 event in the Volcano Islands, Japan, and smaller felt tremors off Northern California. New research continues to advance eruption forecasting, from magma-reservoir bulge detection in Tanzania to fresh contextual coverage of Yellowstone's supervolcano risk.
A magnitude 5.2 earthquake struck near Japan's Volcano Islands, while Costa Rica's Irazú Volcano experienced a swarm of more than 50 small earthquakes. In Alaska, Great Sitkin volcano continues a slow lava eruption, and researchers published new insights on improving eruption forecasts using tilt data from Kīlauea.
Kīlauea's eruptive forecasting has become unpredictable as tilt data shows irregular inflation and deflation, leading the Hawaiian Volcano Observatory to suspend forecast windows for the next episode. Meanwhile, a moderate magnitude 4.4 earthquake struck the Aegean Sea near Greece, and volcanic activity remains elevated at Etna, Santiaguito, and other global hotspots.
Recent seismic activity includes a magnitude 5.2 earthquake in the United States and a pair of magnitude 4.0+ quakes near an Icelandic glacier. In volcanic news, Kīlauea's lava fountaining episodes are showing unstable tilt data, while researchers link North Korea's nuclear tests to fault lines near a border volcano.
Seismic activity remains elevated across the Pacific Ring of Fire, with a magnitude 5.2 earthquake striking the Solomon Islands and a swarm of over 80 tremors rattling Southern California. In volcanic news, Kīlauea continues its intermittent summit eruption with new vents opening in Halemaʻumaʻu, maintaining an Orange Aviation Color Code.
Seismic activity intensified across the Pacific Rim, with a swarm of over 80 earthquakes striking Southern California and a Magnitude 5.2 quake recorded in the Solomon Islands on September 14. Meanwhile, volcanic watch levels remain elevated in Alaska and Hawaii, with Kīlauea poised for its next eruptive episode and Great Sitkin continuing slow lava extrusion.
Kīlauea volcano in Hawaii has escalated to an active eruptive phase with the onset of lava flows, prompting an ORANGE aviation alert. Meanwhile, seismic activity remains elevated globally, with notable tremors recorded in Mexico and a magnitude 5.3 event off the coast of Oregon.
Indonesia's Anak Krakatau eruption episode has officially ended after 25 hours, though significant aviation disruptions persist with over 170,000 passengers stranded. In the Pacific, a magnitude 4.0 earthquake struck northeast of Auckland, New Zealand, while Hawaii's Kīlauea remains on Advisory status due to rapid summit inflation despite a paused eruption.
Anak Krakatau's recent eruptions have stranded over 170,000 passengers by closing eight Indonesian airports due to ash in Jakarta's airspace. Meanwhile, seismic activity remains notable with a magnitude 5.3 earthquake striking Chiapas, Mexico, and Great Sitkin volcano in Alaska maintaining an Orange aviation alert due to ongoing lava eruption.
Kīlauea’s summit eruption has paused, shifting the volcano's status to Advisory with a Yellow Aviation Color Code as of September 3. Meanwhile, recent seismic monitoring highlights ongoing background activity in Alaska and minor tremors in California, with no major significant earthquakes reported globally in the past 24 hours.
Mount Sinabung in North Sumatra has erupted for the first time in five years, prompting a Level III alert and evacuations in Indonesia. Meanwhile, Kīlauea in Hawaii continues its ongoing eruptive activity with lava fountains at the summit.
A magnitude 5.5 earthquake struck the Flores Sea region of Indonesia on Monday, August 31, marking the most significant seismic event in the last 24 hours. In Colombia, authorities issued an extraordinary bulletin following a swarm of over 50 earthquakes near Purace Volcano, raising concerns about potential volcanic activity. Meanwhile, Kīlauea remains in a paused state with no active eruption, though monitoring continues at a Yellow aviation color code.
Global seismic activity remains moderate with a magnitude 5.3 earthquake striking Indonesia and significant debris flows reported in Nepal and Tibet. Volcanic watch levels remain elevated in Alaska, with Kupreanof holding an Advisory status, while Kīlauea in Hawaii remains paused but under yellow alert.
A magnitude 7.4 earthquake struck Colombia’s Chocó region on August 10, while global seismic activity remained moderate overall. Mount Etna continued explosive and effusive activity, sending ash south and disrupting operations at Catania Airport; Fuego also produced an ash advisory.
Guatemala's Fuego volcano erupted Monday, prompting authorities to issue a "danger" alert—the country's second-highest emergency level. Meanwhile, moderate seismic activity continues across the Pacific Ring of Fire, with a magnitude 4.6 earthquake striking Japan and smaller tremors recorded in the Philippines and France.
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