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Adams: eruption history
Elevation3,742 m
TypeStratovolcano
Confirmed eruptions15#20 of 165 in country
Latest eruption950
Largest VEI2
Location46.21, -121.49
By VEI
3
12
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 950 | 2 | – | East flank? |
| 200 | 2 | – | |
| 300 BCE | 2 | – | |
| 400 BCE | 2 | – | |
| 550 BCE | 2 | – | |
| 1850 BCE | 1 | – | SSE flank (2100 m) |
| 2650 BCE | 2 | – | |
| 2950 BCE | 1 | – | SSE flank (2600 m) |
| 3250 BCE | 2 | – | |
| 3550 BCE | 2 | – | |
| 3800 BCE | 1 | – | NNE flank (2100-2250 m) |
| 4050 BCE | 2 | – | Upper SW flank? |
| 4550 BCE | 2 | – | NW flank (2200-2400 m) |
| 5150 BCE | 2 | – | |
| 7050 BCE | 2 | – |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Indian Heaven | 40 km | 1 |
| St. Helens | 53 km | 40 |
| West Crater | 58 km | 2 |
| Rainier | 75 km | 20 |
| Hood | 94 km | 5 |
| Jefferson | 172 km | 2 |
| Blue Lake Crater | 201 km | 1 |
| Sand Mountain Field | 206 km | 2 |
Eruption records from the Smithsonian Global Volcanism Program; older eruptions may be missing. VEI = Volcanic Explosivity Index (0–8). For current alerts, check the official agency.