| 1 | Pulverized particulate matter ejected by volcanic eruption. | |
| 2 | Ash and cinders blazed down from the erupting volcano. | |
| 3 | Both the first and third eruptions covered most of North America with ash. | |
| 4 | However, most of the ash is falling on the ground and in the ocean near Iceland. | |
| 5 | The white plume rising from the volcano is likely a mixture of steam and ash. |