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Volcano earthquake report for Monday, 28 September 2026
• M 4.9 - 2 km SW of Sakai, Japan
• M 1.9 - 7 km N of Hope, Alaska
• M 2.0 - 46 km W of Ninilchik, Alaska
• M 0.8 - 152 km W of Adak, Alaska
• M 1.7 - 11 km WSW of Lake Pillsbury, CA
• M 2.2 - 33 km SSE of Nelchina, Alaska
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SPC MD 2331
Webmaster
39 minutes ago
SPC MD 2331MD 2331 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR FAR SOUTHEASTERN NORTH DAKOTA INTO FAR NORTHWEST/WEST-CENTRAL MINNESOTA 
Mesoscale Discussion 2331 NWS Storm Prediction Center Norman OK 0449 PM CDT Mon Sep 28 2026
Areas affected...Far southeastern North Dakota into far northwest/west-central Minnesota
Concerning...Severe potential...Watch unlikely
Valid 282149Z - 282245Z
Probability of Watch Issuance...5 percent
SUMMARY...A very localized and low-confidence risk of damaging wind gusts and a tornado is possible across parts of far southeastern North Dakota into far northwestern/west-central Minnesota during the next hour or so.
DISCUSSION...A small thunderstorm cluster has evolved along an east/west-oriented warm front west of Fargo, ND. This storm has shown transient signs of rotation/organization. While it is unclear if the inflow for this activity is truly surface-based (given cool surface temperatures along/north of the warm front), the MVX VWP shows a clockwise-curved low-level hodograph (around 250 m2/s2 0-1 km SRH), which will conditionally support embedded low-level mesocyclones and some risk for damaging wind gusts and a tornado if storms can root near the surface. Overall, confidence in this scenario is low and any risk should remain spatially localized for the next hour or so.
..Weinman/Hart.. 09/28/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...FGF...
LAT...LON 46789745 47029710 47059659 46959610 46749598 46439601 46319640 46349700 46439740 46659753 46789745
MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH MOST PROBABLE PEAK WIND GUST...55-70 MPH
Read morehttps://www.spc.noaa.gov/products/md/md2331.html
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Volcano earthquake report for Monday, 28 September 2026
Webmaster
40 minutes ago
Volcano earthquake report for Monday, 28 September 2026 World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 28 Sep 2026 Number in brackets indicate nr of quakes. Quakes detected near: Agua (2 quakes between mag 1.2-2.9), Alaska Peninsula Arc at 155.4°W (2 quakes between mag 1.0-1.2), Askja (2 quakes between mag 0.3-1.4), Balut (2 quakes between mag 1.6-2.9), Bardarbunga (5 quakes between mag 0.5-1.4), Baru (1 quake mag 3.0) Biliran (1 quake mag 2.2), Chingo (1 quake mag 1.6), Clear Lake (31 quakes between mag 0.3-2.1), Conchagüita (1 quake mag 2.8), Coso (2 quakes between mag 0.7-1.1), Eldey (2 quakes between mag 0.7-1.0), Escanaba Segment (1 quake mag 3.2), Etna (3 quakes between mag 0.5-1.2), Flores (18 quakes between mag 0.9-2.6), Isarog (1 quake mag 2.4), Jan Mayen (1 quake mag 2.0), Kanlaon (1 quake mag 1.6), Karadağ (3 quakes between mag 1.5-2.1), Kolbeinsey Ridge (2 quakes between mag 2.4-3.5), Ljósufjöll (2 quakes between mag 1.1-1.5), Martin (2 quakes between mag 0.6-1.1), Masaya (1 quake mag 2.5), Mayon (1 quake mag 1.6), Methana (1 quake mag 1.7), Mount Adams (8 quakes between mag 0.8-2.6), Nisyros (1 quake mag 1.4), Novarupta (3 quakes between mag 0.6-2.0), Numazawa (1 quake mag 2.8), Paluweh (1 quake mag 3.2), Sabancaya (1 quake mag 3.3), Svartsengi (1 quake mag 1.1), Tahual (1 quake mag 2.5), Tecuamburro (3 quakes between mag 1.3-2.6), Tjörnes Fracture Zone (2 quakes between mag 1.4-1.6), Torfajökull (7 quakes between mag 0.1-1.1), Trident (2 quakes between mag 0.6-1.3) (updated 21h50)\n\nNote: Earthquakes within 20 km from and at depths less than 50 km under active volcanoes are reported. The list is not complete because many volcanoes are not monitored and/or seismic data in high resolution is not available publicly.\n Volcanoes with recent earthquakes above magnitude 2 or more than 10 quakes are listed below:
Agua volcano (Guatemala): 2 earthquakes up to magnitude 2.92 earthquakes occurred near (under) the volcano during 10 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 12.00 and 4.50 km. Earthquake details: 2.9 quake Departamento de Santa Rosa, 38 km southwest of Guatemala City, Guatemala, Sep 27, 2026 11:00 pm (GMT -6) (8 km SSW) 1.2 quake 9.2 km east of Antigua Guatemala, Departamento de Sacatepequez, Guatemala, Sep 28, 2026 08:45 am (GMT -6) (15 km NE) All earthquakes at AguaAgua is a prominent 3,760 m stratovolcano beside Antigua, Guatemala. It has no recorded eruptions, while a devastating mudflow destroyed Ciudad Vieja in 1541. Balut volcano (Mindanao): 2 earthquakes up to magnitude 2.92 earthquakes occurred near (under) the volcano during 1 hour 29 minutes, the last being recorded quake 3 hours ago. Hypocenter depths ranged between 33.00 and 28.00 km. Earthquake details: 2.9 quake Philippine Sea, 21 km south of Sarangani Island, Philippines, Sep 29, 2026 01:18 am (GMT +8) (16 km SSE) 1.6 quake Davao Occidental, Davao, Philippines, Sep 29, 2026 02:47 am (GMT +8) (10 km SSW) All earthquakes at BalutBalut is an 840 m island stratovolcano south of Mindanao whose last known eruption occurred between about 2 million and 11,700 years ago. Hot springs and thermally altered ground occur on its western and southwestern flanks. Baru volcano (Panama): magnitude 3.0 earthquakeA magnitude 3.0 earthquake occurred at the volcano 2 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 13 km distance ESE from the volcano. Earthquake details: Reported quake or seismic-like event: 35 km northeast of La Concepcion, Provincia de Chiriqui, Panama, Sep 28, 2026 02:21 pm (GMT -5) (13 km ESE) All earthquakes at BaruBiliran volcano (Central Philippines): magnitude 2.2 earthquakeA magnitude 2.2 earthquake occurred at the volcano 12 hours ago. The quake, which might be volcanic in origin, was located at a depth of 23.00 km depth at 18 km distance SSW from the volcano. Earthquake details: 2.2 quake 42 km north of Ormoc, Province of Leyte, Eastern Visayas, Philippines, Sep 28, 2026 05:40 pm (GMT +8) (18 km SSW) All earthquakes at BiliranBiliran is a dome-rich volcanic island across a narrow strait from northern Leyte in the Philippines. Its only known historical eruption was a phreatic explosion with ash and a possible debris avalanche on 26 September 1939. Clear Lake volcano (California): 31 earthquakes up to magnitude 2.1Possible earthquake swarm: 31 earthquakes occurred near (under) the volcano during 22 hours, the last being recorded quake 36 minutes ago. Hypocenter depths ranged between 15.91 and 0.07 km. Earthquake details: (only 5 largest) 2.1 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Sep 28, 2026 01:20 pm (GMT -7) (15 km SSW) 1.6 quake Sonoma County, 14 mi southwest of Clearlake, Lake County, California, United States, Sep 28, 2026 09:37 am (GMT -7) (18 km S) 1.5 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 28, 2026 02:25 am (GMT -7) (17 km SSW) 1.4 quake Mendocino County, 29 mi north of Santa Rosa, Sonoma County, California, United States, Sep 28, 2026 01:26 pm (GMT -7) (14 km SSW) 1.3 quake 28 mi north of Santa Rosa, Sonoma County, California, United States, Sep 28, 2026 12:57 am (GMT -7) (17 km SSW) All earthquakes at Clear LakeConchagüita volcano (El Salvador): magnitude 2.8 earthquakeA magnitude 2.8 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.00 km depth at 19 km distance WNW from the volcano. Earthquake details: 2.8 quake 9.1 km west of La Union, Departamento de La Union, El Salvador, Sep 28, 2026 01:57 am (GMT -6) (19 km WNW) All earthquakes at ConchagüitaConchagüita is a 505-m-high island stratovolcano in El Salvador’s Gulf of Fonseca. Its last known eruption occurred more than about 11,700 years ago, and a reported 1892 eruption is discredited. Escanaba Segment volcano (Northern Pacific Ocean): magnitude 3.2 earthquakeA magnitude 3.2 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 10.00 km depth at 18 km distance NNE from the volcano. Earthquake details: 3.2 quake 275 km W of Indianola, California, Sep 28, 2026 05:30 am (GMT -8) (18 km NNE) All earthquakes at Escanaba SegmentEscanaba Segment is a 130-km-long submarine volcanic rift off northern California. A basaltic lava flow there has been tentatively dated to about 2260 BCE. Flores volcano (Guatemala): 18 earthquakes up to magnitude 2.6Possible earthquake swarm: 18 earthquakes occurred near (under) the volcano during 17 hours, the last being recorded quake 7 hours ago. Hypocenter depths ranged between 6.90 and 1.30 km. Earthquake details: (only 5 largest) 2.6 quake 18 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 28, 2026 06:49 am (GMT -6) (18 km WNW) 2.4 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 28, 2026 12:49 am (GMT -6) (15 km WNW) 2.3 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 27, 2026 03:52 pm (GMT -6) (15 km WNW) 2.2 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 28, 2026 12:44 am (GMT -6) (15 km WNW) 2.1 quake 22 km northeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 28, 2026 04:56 am (GMT -6) (15 km WNW) All earthquakes at FloresFlores, also known as Volcán Amayo, is a volcanic field about 10 km west of Jutiapa in southeastern Guatemala. Its last eruption is undated, and none are known from approximately the past 11,700 years. Isarog volcano (Luzon Island): magnitude 2.4 earthquakeA magnitude 2.4 earthquake occurred at the volcano 19 hours ago. The quake, which might be volcanic in origin, was located at a depth of 16.00 km depth at 12 km distance NNE from the volcano. Earthquake details: 2.4 quake 23 km east of Calabanga, Province of Camarines Sur, Bicol, Philippines, Sep 28, 2026 10:43 am (GMT +8) (12 km NNE) All earthquakes at IsarogIsarog is a 1,966 m stratovolcano in southeastern Luzon with a broad breached summit crater and a major debris-avalanche deposit. Its only confirmed eruptive period is dated to around 3500 BCE. Karadağ volcano (Turkey): 3 earthquakes up to magnitude 2.13 earthquakes occurred near (under) the volcano during 18 minutes, the last being recorded quake 22 hours ago. Hypocenter depths ranged between 11.60 and 6.90 km. Earthquake details: 2.1 quake 20 km north of Karaman, Karaman, Turkey, Sep 28, 2026 02:59 am (GMT +3) (12 km ESE) 1.8 quake 21 km north of Karaman, Karaman, Turkey, Sep 28, 2026 03:10 am (GMT +3) (12 km ESE) 1.5 quake 21 km north of Karaman, Karaman, Turkey, Sep 28, 2026 03:17 am (GMT +3) (14 km ESE) All earthquakes at KaradağKolbeinsey Ridge volcano (Iceland): 2 earthquakes up to magnitude 3.52 earthquakes occurred near (under) the volcano during 2 hours, the last being recorded quake 2 hours ago. Hypocenter depths ranged between 12.20 and 1.10 km. Earthquake details: 3.5 quake 62 km north of Siglufjordur, Northeast, Iceland, Sep 28, 2026 05:38 pm (Reykjavik time) (10 km WNW) 2.4 quake 32.7 km WNW of Grímsey Sep 28, 2026 07:47 pm (Universal Time) (9 km WSW) All earthquakes at Kolbeinsey RidgeKolbeinsey Ridge is a submarine fissure-vent system north of Iceland, with tiny Kolbeinsey Island as its only expression above sea level. Historical eruption reports from 1372 and 1755 have uncertain locations. Masaya volcano (Nicaragua): magnitude 2.5 earthquakeA magnitude 2.5 earthquake occurred at the volcano 4 hours ago. The quake, which might be volcanic in origin, was located at a depth of 15.00 km depth at 9 km distance NNE from the volcano. Earthquake details: 2.5 quake Departamento de Masaya, 14 km southeast of Managua, Nicaragua, Sep 28, 2026 12:00 pm (GMT -6) (9 km NNE) All earthquakes at MasayaMasaya is a frequently active Nicaraguan volcano about 20 km southeast of Managua. Known for its intermittent lava lake, it has also produced lava flows, explosive eruptions, ashfall and prolonged gas emissions. Mount Adams volcano (Washington State): 8 earthquakes up to magnitude 2.68 earthquakes occurred near (under) the volcano during 11 hours, the last being recorded quake 11 hours ago. Hypocenter depths ranged between 1.27 and 0.00 km. Earthquake details: (only 5 largest) 2.6 quake 55 mi southwest of Yakima, Yakima County, Washington, United States, Sep 27, 2026 05:12 pm (GMT -7) (3 km WNW) 1.4 quake 55 mi southwest of Yakima, Yakima County, Washington, United States, Sep 27, 2026 11:30 pm (Universal Time) (3 km NW) 1.1 quake 55 mi southwest of Yakima, Yakima County, Washington, United States, Sep 28, 2026 12:05 am (Universal Time) (3 km WNW) 1.0 quake Skamania County, 56 mi southwest of Yakima, Yakima County, Washington, United States, Sep 28, 2026 10:59 am (Universal Time) (3 km W) 0.9 quake 55 mi southwest of Yakima, Yakima County, Washington, United States, Sep 28, 2026 05:57 am (Universal Time) (2 km W) All earthquakes at Mount AdamsMount Adams is a large stratovolcano in south-central Washington with more than 60 flank vents. Its last known eruption occurred around 950 CE, producing minor tephra and possibly a small east-flank lava flow. Numazawa volcano (Honshu): magnitude 2.8 earthquakeA magnitude 2.8 earthquake occurred at the volcano 14 hours ago. The quake, which might be volcanic in origin, was located at a depth of 6.70 km depth at 12 km distance WSW from the volcano. Earthquake details: 2.8 quake 46 km west of Aizu-Wakamatsu, Fukushima, Japan, Sep 28, 2026 04:24 pm (GMT +9) (12 km WSW) All earthquakes at NumazawaNumazawa is a Japanese shield volcano with a 1.5 × 2 km lake-filled caldera. Its only listed confirmed eruptive period was a major explosive and effusive event several thousand years ago. Paluweh volcano (Lesser Sunda Islands): magnitude 3.2 earthquakeA magnitude 3.2 earthquake occurred at the volcano 8 hours ago. The quake, which might be volcanic in origin, was located at a depth of 13.00 km depth at 15 km distance NNW from the volcano. Earthquake details: 3.2 quake Flores Sea, 72 km north of Ende, Kabupaten Ende, East Nusa Tenggara, Indonesia, Sep 28, 2026 10:16 pm (GMT +8) (15 km NNW) All earthquakes at PaluwehPaluweh is an island-forming stratovolcano north of Flores, Indonesia. Its major eruptions include a destructive, tsunami-producing event in 1928 and deadly pyroclastic flows in 2013. Sabancaya volcano (Peru): magnitude 3.3 earthquakeA magnitude 3.3 earthquake occurred at the volcano 3 hours ago. The quake, which might be volcanic in origin, was located at a depth of 9.00 km depth at 2 km distance N from the volcano. Earthquake details: 3.3 quake 78 km northwest of Arequipa, Arequipa, Peru, Sep 28, 2026 01:33 pm (GMT -5) (2 km N) All earthquakes at SabancayaSabancaya is an active stratovolcano in Peru whose observed eruptions date to 1750. Its recent activity has included frequent explosions, ash plumes, lava-dome growth, pyroclastic flows and lahars. Tahual volcano (Guatemala): magnitude 2.5 earthquakeA magnitude 2.5 earthquake occurred at the volcano 18 hours ago. The quake, which might be volcanic in origin, was located at a depth of 2.00 km depth at 15 km distance WNW from the volcano. Earthquake details: 2.5 quake 20 km south of Jalapa, Departamento de Jalapa, Guatemala, Sep 27, 2026 09:52 pm (GMT -6) (15 km WNW) All earthquakes at TahualTahual is an eroded, forested stratovolcano south of Monjas in Guatemala. A cone near its northeastern base produced a short basaltic lava flow during approximately the past 11,700 years, but the date of the volcano’s last eruption is unknown. Tecuamburro volcano (Guatemala): 3 earthquakes up to magnitude 2.63 earthquakes occurred near (under) the volcano during 14 hours, the last being recorded quake 9 hours ago. Hypocenter depths ranged between 6.30 and 3.20 km. Earthquake details: 2.6 quake 12 km southeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 27, 2026 05:00 pm (GMT -6) (17 km E) 1.9 quake 12 km southeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 28, 2026 07:14 am (GMT -6) (17 km E) 1.3 quake 13 km southeast of Cuilapa, Departamento de Santa Rosa, Guatemala, Sep 27, 2026 05:07 pm (GMT -6) (18 km E) All earthquakes at TecuamburroTecuamburro is a forested stratovolcano and lava-dome complex in Guatemala. Its only dated eruption, about 2,900 years ago, formed the Laguna Ixpaco tuff ring. https://www.volcanodiscovery.com/earthquakes-volcanoes/news/366474/Volcano-earthquake-report-2026-09-28.html
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SPC Day 3-8 Fire Weather Outlook
Webmaster
1 hour ago
SPC Day 3-8 Fire Weather OutlookSPC Day 3-8 Fire Weather Outlook  Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0424 PM CDT Mon Sep 28 2026
Valid 301200Z - 061200Z
...Synopsis... A closed upper low laden with remnant moisture from former hurricane Polo will eject into southern/central Plains through midweek bringing swaths of much needed rainfall to the region and a reduced fire weather threat. A residual hot and dry air mass will remain in place across the Southeast ahead of the advancing deep moisture plume. However, light southerly winds should limit a broader fire weather threat despite very dry fuels across the lower MS River Valley. An upper-level ridge builds over the West as the upper low pushes east of the Continental Divide by Day 4/Thursday. This will usher in a prolonged warm and dry period across much of the West through early next week. However, light surface winds should limit larger scale fire weather concerns with the warm/dry conditions providing a primary impact to drying fuels. Latest ensemble guidance hints at a short wave intrusion into the broader ridge pattern as early as Day 7-8/Sunday-Monday, but predictability remains low.
..Williams.. 09/28/2026
...Please see www.spc.noaa.gov/fire for graphic product...
Read morehttps://www.spc.noaa.gov/products/exper/fire_wx/
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