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Volcanic Ash HYSPLIT trajectory and dispersion runs are generated in response to alerts produced by the volcanic cloud monitoring system (VOLCAT)

Choose a volcano:


VOLCAT Alerts and corresponding HYSPLIT trajectory and dispersion runs for the last 48 hours

Trajectory and dispersion runs are generated when an alert is received

Date and Time (UTC): Alert Type Location
(lat, lon)
Nearby Volcanoes VAAC Region HYSPLIT Trajectories HYSPLIT Dispersion
Alert 0 10/28/2020 at 23:45 UTC ash -2.01, -78.34 Sangay | Licto | Tungurahua | Chimborazo | Quilotoa Washington
Alert 1 10/28/2020 at 23:13 UTC hot 14.39, -90.57 Pacaya | Agua | Cuilapa-Barbarena | Tecuamburro | Jumaytepeque Washington
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  • Alert 2 10/28/2020 at 22:55 UTC ash -1.47, -78.44 Tungurahua | Licto | Chimborazo | Sangay | Quilotoa Washington
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  • Alert 3 10/28/2020 at 22:50 UTC ash 56.06, 160.64 Klyuchevskoy | Kamen | Bezymianny | Ushkovsky | Zimina Tokyo
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  • Alert 4 10/28/2020 at 22:46 UTC hot -15.8, -71.86 Sabancaya | Huambo Buenos Aires
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  • Alert 5 10/28/2020 at 22:38 UTC ash 30.44, 130.22 Kuchinoerabujima | Kikai | Kuchinoshima | Nakanoshima | Kogaja-jima Tokyo
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  • Alert 6 10/28/2020 at 22:32 UTC ash 19.51, -103.62 Colima | Primavera, Sierra la | Mascota Volcanic Field | Michoacan-Guanajuato | Ceboruco Washington
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  • Alert 7 10/28/2020 at 22:30 UTC ash -59.06, -26.59 Bristol Island | Thule Islands | Montagu Island | Michael | Candlemas Island Buenos Aires
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  • Alert 8 10/28/2020 at 22:25 UTC hot -0.08, -77.66 Reventador | Cayambe Washington
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  • Alert 9 10/28/2020 at 22:15 UTC hot -2.0, -78.34 Sangay | Licto Washington
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  • Alert 10 10/28/2020 at 22:13 UTC ash 19.02, -98.62 Popocatepetl | Iztaccihuatl | Papayo | Chichinautzin | Malinche, La Washington
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  • Alert 11 10/28/2020 at 21:45 UTC hot -2.02, -78.34 Sangay | Licto Washington
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  • Alert 12 10/28/2020 at 21:28 UTC ash 29.64, 129.71 Suwanosejima | Akuseki-jima | Kogaja-jima | Nakanoshima | Kuchinoshima Tokyo
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  • Alert 13 10/28/2020 at 21:25 UTC ash -7.94, 112.95 Tengger Caldera | Semeru | Malang Plain | Lamongan | Arjuno-Welirang Darwin
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  • Alert 14 10/28/2020 at 21:03 UTC ice 13.42, -88.31 San Miguel | Tigre, El | Chinameca Washington
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  • Alert 15 10/28/2020 at 20:53 UTC hot 14.39, -90.61 Pacaya | Agua | Cuilapa-Barbarena | Fuego | Acatenango Washington
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  • Alert 16 10/28/2020 at 20:46 UTC hot -19.53, 169.44 Yasur Wellington
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  • Alert 17 10/28/2020 at 20:45 UTC ash 37.73, 15.0 Etna | Vulcano | Lipari | Panarea | Stromboli Toulouse
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  • Alert 18 10/28/2020 at 20:41 UTC ash 30.44, 130.22 Kuchinoerabujima | Kikai | Kuchinoshima | Nakanoshima | Kogaja-jima Tokyo
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  • Alert 19 10/28/2020 at 20:33 UTC hot 14.39, -90.61 Pacaya | Agua | Cuilapa-Barbarena | Fuego | Acatenango Washington
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