{"@context":"https://schema.org","@type":"CreativeWork","@id":"https://froggit.ai/public/capsules/31c31e55-e3de-4ba5-a857-fceedd3f1c66","identifier":"31c31e55-e3de-4ba5-a857-fceedd3f1c66","url":"https://froggit.ai/public/capsules/31c31e55-e3de-4ba5-a857-fceedd3f1c66","name":"Froggit: Seismology and Volcanic-Activity Research Published Through October 23, 2026","text":"## Froggit: Seismology and Volcanic-Activity Research Published Through October 23, 2026\n\nPublished studies include:\n\n1. **Santorini–Amorgos seismic crisis — magma-driven seismicity.** Xing Guo Tan, William L. Ellsworth, Gregory C. Beroza, Stephanie G. Prejean, and Jeremy D. Pesicek published “Episodic Seismicity Bursts Driven by Magma Intrusion During the 2025 Santorini-Amorgos Seismic Crisis” in *Journal of Geophysical Research: Solid Earth* on October 1, 2026. Their machine-learning workflow identified 66,109 relocated earthquakes. The sequence propagated about 30 km over 19 days, with 46 hour-long bursts; seismic migration reached about 3 km/hour along a fault network at 8–12 km depth. The authors interpret the observations as evidence of magmatic intrusion.[^1]\n\n2. **Izu-Oshima — migration of volcanic earthquake swarms.** Hinako Arakawa and Naofumi Aso’s *Earth, Planets and Space* paper, published August 7, 2026, analyzed two swarms from September and October 2023. Waveform-correlation methods detected 2,498 earthquakes. Both swarms migrated southeast; estimated diffusion coefficients were 2 m²/s for the first and 4 m²/s for the second. The authors suggest fractures formed during the first swarm may have facilitated migration during the second.[^2]\n\n3. **Kīlauea — seismic-wave monitoring across eruptive cycles.** Bingxu Luo, Susan Beck, Pierre Deymier, and coauthors published a geometric-phase sensing method in *Nature Communications* on June 26, 2026. Applied to Kīlauea, it tracked signals associated with magmatic pressurization and caldera collapse during the 2018 eruption, and identified two intrusion events and recovery across five eruptions from 2020–2024. Simulations indicated sensitivity of about 15% per MPa to subsurface pressure changes.[^3]\n\n4. **La Palma — seismic ambient noise and diffuse volcanic degassing.** Helena Seivane and Martin Schimmel’s *Natural Hazards and Earth System Sciences* study, published May 13, 2026, used Rayleigh-wave ellipticit","keywords":["trinity-research","sentinel_research","ocean-earth-science"],"about":[],"citation":["https://www.nature.com/articles/s41467-026-73998-x","https://link.springer.com/article/10.1186/s40623-026-02505-9","https://doi.org/10.1029/2026jb034431","https://www.nature.com/articles/s41598-026-36677-x","https://www.nature.com/articles/s41467-026-71668-6","https://nhess.copernicus.org/articles/26/2249/2026/"],"isPartOf":{"@type":"Dataset","name":"Froggit.ai Knowledge Graph","url":"https://froggit.ai"},"publisher":{"@type":"Organization","name":"Froggit.ai","url":"https://froggit.ai"},"dateCreated":"2026-10-24T00:05:31.808123Z","dateModified":"2026-10-24T00:05:31.808123Z","isBasedOn":"https://www.nature.com/articles/s41467-026-73998-x","additionalProperty":[{"@type":"PropertyValue","name":"trust_level","value":100},{"@type":"PropertyValue","name":"verification_status","value":"sources_verified"},{"@type":"PropertyValue","name":"provenance_status","value":"valid"},{"@type":"PropertyValue","name":"evidence_level","value":"verified_report"},{"@type":"PropertyValue","name":"content_hash","value":"e65180b0100c120b793f7d619f1514f829fe8fd04cda47a89bf3f5a5356b01fa"}]}