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Volcanic Ash HYSPLIT trajectories are run in response to alerts produced by the volcanic cloud monitoring system.

Choose a volcano to find available HYSPLIT trajectories:




Volcat Alerts with HYSPLIT trajectories.

HYSPLIT trajectories are generated when an alert is received.

Time (UTC): Alert Type Location
(lat,lon)
Nearby Volcanoes VAAC Region HYSPLIT Trajectories
Alert 0 09/19/2020 at 21:55 UTC ash -2.01, -78.34 Sangay | Licto | Tungurahua | Chimborazo | Quilotoa Washington
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  • Alert 1 09/19/2020 at 21:45 UTC hot -2.0, -78.34 Sangay | Licto Washington
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  • Alert 2 09/19/2020 at 21:33 UTC ice 14.91, -91.65 Santa Maria Washington
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  • Alert 3 09/19/2020 at 21:25 UTC ash -0.08, -77.66 Reventador | Cayambe | Sumaco | Aliso | Imbabura Washington
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  • Alert 4 09/19/2020 at 21:15 UTC ash -7.94, 112.95 Tengger Caldera | Semeru | Malang Plain | Lamongan | Arjuno-Welirang Darwin
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  • Alert 5 09/19/2020 at 21:00 UTC ash 37.73, 15.0 Etna | Vulcano | Lipari | Panarea | Stromboli Toulouse
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  • Alert 6 09/19/2020 at 20:33 UTC hot 14.38, -90.61 Pacaya | Agua | Cuilapa-Barbarena | Fuego | Acatenango Washington
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  • Alert 7 09/19/2020 at 20:03 UTC hot 14.38, -90.61 Pacaya | Agua | Cuilapa-Barbarena | Fuego | Acatenango Washington
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  • Alert 8 09/19/2020 at 19:46 UTC ash -15.78, -71.85 Sabancaya | Huambo | Nicholson, Cerro | Chachani, Nevado | Andahua-Orcopampa Buenos Aires
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  • Alert 9 09/19/2020 at 19:36 UTC hot -19.53, 169.44 Yasur Wellington
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  • Alert 10 09/19/2020 at 19:13 UTC hot 14.4, -90.61 Pacaya | Agua | Cuilapa-Barbarena | Fuego | Acatenango Washington
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  • Alert 11 09/19/2020 at 18:29 UTC ash -7.94, 112.95 Tengger Caldera | Semeru | Malang Plain | Lamongan | Arjuno-Welirang Darwin
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  • Alert 12 09/19/2020 at 18:23 UTC ash -15.78, -71.85 Sabancaya | Huambo | Nicholson, Cerro | Chachani, Nevado | Andahua-Orcopampa Buenos Aires
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  • Alert 13 09/19/2020 at 18:20 UTC ice 50.28, 155.52 Chikurachki Tokyo
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  • Alert 14 09/19/2020 at 18:16 UTC hot -19.53, 169.44 Yasur Wellington
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  • Alert 15 09/19/2020 at 17:45 UTC ash 37.73, 15.0 Etna | Vulcano | Lipari | Panarea | Stromboli Toulouse
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  • Alert 16 09/19/2020 at 17:41 UTC hot 17.62, -63.25 Saba Washington
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  • Alert 17 09/19/2020 at 17:32 UTC ash -16.35, -70.9 Ubinas | Huaynaputina | Misti, El | Ticsani | Chachani, Nevado Buenos Aires
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  • Alert 18 09/19/2020 at 17:30 UTC hot -1.39, 29.22 Nyamuragira | Nyiragongo | Karisimbi | Visoke | Muhavura Toulouse
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  • Alert 19 09/19/2020 at 17:15 UTC hot -1.5, 29.29 Nyiragongo | Nyamuragira | Karisimbi | Visoke | Muhavura Toulouse
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