EES Type | VEI | Column | Hazards | E. Impact A. | |
---|---|---|---|---|---|
A | Hawaiian magmatic effusive eruption | 0-1 | 0-1 km | Lava flows, ash fall, gases | 1-2 km, longer downstream |
B1 | Hawaiian-Strombolian, magmatic effusive-explosive | 1-2 | 1-5 km | Lava flows, ash fall, gases, blockandash | 2-5 km, longer downstream |
B2 | Hawaiian-Strombolian, magmatic effusive-explosive, mechanical interaction with sills | 1-2 | 1-5 km | Lava flows, ash fall, gases, blockandash | 2-5 km, longer downstream |
B3 | Hawaiian-Strombolian-Violent Strombolian, hydromagmatic explosive eruption | 1-3 | 1-10 km | Lava flows, ash fall, gases, blockandash, PDC | 5-10 km, longer downstream |
C1 | High-deep (>500 m) | – | – | – | – |
C2 | Medium-deep (500- ≈200 m. deep) | – | – | Water acidifying, lava balloons, large bubbles | 1-2 km |
C3 | Surtseyan (<200 m) | 1-3 | 1-5 km | lava flows, ash fall, gases, surges | 1-2 km |