| When gas from the magma chamber has been exhausted, the lava erupts more quietly to form a broader and lower edifice, a shield volcano. |
| Mayor Island is a shield volcano with a caldera in the western part of the Bay of Plenty, off the east coast of New Zealand. |
| Tolbachik, Kamchatka, Russia 12,080 3,682 1739 Tolbachik is enormous, composed of a rounded shield volcano and a conical stratovolcano. |
| The large shield volcano Olympus Mons must have been formed from eruptions of fluid basalt flows. |
| Whether a volcano is designated a caldera, shield volcano, or stratovolcano with a caldera depends on the principal landform feature. |
| The eastward dip of the northern part of the shield volcano suggests that the island formerly extended to the north. |
