![Top curves](../../../../jsp/jahia/templates/GSL/gsl_templates/img/keystage3/main_top_grad.gif)
Mauna Loa, Hawaii
Shield Volcano
Height: over 8000 m above ocean floor (World’s largest volcano)
Last eruption: 1984 (basalt lava).
![Mauna Loa, Hawaii](../../../../webdav/site/GSL/shared/images/education_and_careers/RockCycle/Processes/Melting/Loa1.jpg)
Mauna Loa, Hawaii
![Fissure eruption formed as a dyke reaches the surface](../../../../webdav/site/GSL/shared/images/education_and_careers/RockCycle/Processes/Melting/Loa2.jpg)
Fissure eruption formed as a dyke reaches the surface
![Bottom curves](../../../../jsp/jahia/templates/GSL/gsl_templates/img/keystage3/bottom_curve.gif)
Mauna Loa, Hawaii
Fissure eruption formed as a dyke reaches the surface