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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 01/21/2022 at 06:03 UTC hot 19.41, -155.28 Kilauea | Mauna Loa Washington
Alert 1 01/21/2022 at 05:55 UTC hot -2.0, -78.34 Sangay | Licto Washington
Alert 2 01/21/2022 at 05:23 UTC hot 14.48, -90.84 Fuego | Acatenango | Agua | Pacaya | Atitlan Washington
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  • Alert 3 01/21/2022 at 04:46 UTC ash 27.25, 140.87 Nishinoshima | Doyo Seamount | Kaikata Seamount | Mokuyo Seamount | Suiyo Seamount Tokyo
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  • 3hrs

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  • Alert 4 01/21/2022 at 04:33 UTC hot 14.33, -90.03 Flores Washington
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  • Alert 5 01/21/2022 at 04:15 UTC hot -4.09, 145.04 Manam | Boisa Darwin
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  • Alert 6 01/21/2022 at 04:02 UTC ice 19.49, -103.58 Colima Washington
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  • Alert 7 01/21/2022 at 03:45 UTC hot -4.09, 145.04 Manam Darwin
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  • Alert 8 01/21/2022 at 03:36 UTC hot 28.61, -17.91 La Palma Toulouse
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  • Alert 9 01/21/2022 at 03:33 UTC hot 14.48, -90.89 Fuego | Acatenango | Agua | Pacaya | Atitlan Washington
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  • Alert 10 01/21/2022 at 03:25 UTC hot -2.0, -78.23 Sangay Washington
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  • Alert 11 01/21/2022 at 03:25 UTC ice -2.45, 147.45 Baluan Darwin
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  • Alert 12 01/21/2022 at 03:13 UTC hot 14.48, -90.84 Fuego | Acatenango | Agua | Pacaya | Atitlan Washington
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  • Alert 13 01/21/2022 at 02:05 UTC hot -0.05, -91.29 Wolf | Darwin | Ecuador | Fernandina | Alcedo Washington
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  • Alert 14 01/21/2022 at 02:03 UTC hot 14.48, -90.89 Fuego | Acatenango | Agua | Pacaya | Atitlan Washington
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  • Alert 15 01/21/2022 at 01:55 UTC hot -0.05, -91.29 Wolf | Darwin | Ecuador | Fernandina | Alcedo Washington
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  • Alert 16 01/21/2022 at 01:35 UTC hot -2.0, -78.34 Sangay | Licto Washington
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  • Alert 17 01/21/2022 at 01:03 UTC hot 13.96, -89.11 Guazapa Washington
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  • Alert 18 01/21/2022 at 01:03 UTC hot 37.75, 15.01 Etna Toulouse
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  • Alert 19 01/21/2022 at 00:47 UTC hot 35.32, -111.66 San Francisco Volcanic Field Washington
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