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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 08/13/2022 at 08:10 UTC ash 32.88, 131.1 Asosan | Kujusan | Yufu-Tsurumi | Unzendake | Kirishimayama Tokyo
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  • Alert 1 08/13/2022 at 07:25 UTC ash -0.08, -77.66 Reventador | Cayambe | Sumaco | Aliso | Imbabura Washington
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  • Alert 2 08/13/2022 at 06:53 UTC hot 14.48, -90.84 Fuego | Acatenango | Agua | Pacaya | Atitlan Washington
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  • Alert 3 08/13/2022 at 06:53 UTC hot 14.48, -90.89 Fuego | Acatenango | Agua | Pacaya | Atitlan Washington
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  • Alert 4 08/13/2022 at 06:44 UTC ash -2.01, -78.34 Sangay | Licto | Tungurahua | Chimborazo | Quilotoa Washington
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  • Alert 5 08/13/2022 at 05:51 UTC hot -6.1, 105.43 Krakatau Darwin
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  • Alert 6 08/13/2022 at 05:28 UTC hot 19.41, -155.28 Kilauea | Mauna Loa Washington
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  • Alert 7 08/13/2022 at 04:25 UTC ice -7.47, 110.43 Merapi Darwin
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  • Alert 8 08/13/2022 at 03:16 UTC ash 14.95, -24.35 Fogo | Brava | Sao Vicente | Hierro | La Palma Toulouse
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  • Alert 9 08/13/2022 at 03:15 UTC hot 63.94, -22.28 Krisuvik | Reykjanes London
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  • Alert 10 08/13/2022 at 03:05 UTC ash -0.08, -77.66 Reventador | Cayambe | Sumaco | Aliso | Imbabura Washington
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  • Alert 11 08/13/2022 at 03:00 UTC hot 63.94, -22.28 Krisuvik | Reykjanes London
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  • Alert 12 08/13/2022 at 02:39 UTC ash 27.25, 140.87 Nishinoshima | Doyo Seamount | Kaikata Seamount | Mokuyo Seamount | Suiyo Seamount Tokyo
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  • Alert 13 08/13/2022 at 02:35 UTC ash -7.94, 112.95 Tengger Caldera | Semeru | Malang Plain | Lamongan | Arjuno-Welirang Darwin
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  • Alert 14 08/13/2022 at 02:30 UTC hot 56.66, 161.32 Sheveluch Tokyo
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  • Alert 15 08/13/2022 at 02:05 UTC ash -6.14, 155.2 Bagana | Billy Mitchell | Balbi | Tore | Takuan Group Darwin
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  • Alert 16 08/13/2022 at 02:00 UTC ash -1.52, 29.25 Nyiragongo | Nyamuragira | Karisimbi | Visoke | Muhavura Toulouse
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  • Alert 17 08/13/2022 at 01:45 UTC ash -6.1, 105.42 Krakatau | Rajabasa | Pulosari | Karang | Hulubelu Darwin
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  • Alert 18 08/13/2022 at 01:28 UTC ash 30.44, 130.22 Kuchinoerabujima | Kikai | Kuchinoshima | Nakanoshima | Kogaja-jima Tokyo
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  • Alert 19 08/13/2022 at 01:28 UTC ash 37.73, 15.0 Etna | Vulcano | Lipari | Panarea | Stromboli Toulouse
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