The landmass of Eurasia.
The earthquake occurred as a result of a northward thrust of the Pacific Ocean sea floor beneath the continental landmass of Alaska.
Considering that the entire landmass of the city of San Francisco is about 46 square miles, the park is a significant part of the overall size of the city.
I especially love the huge landmass in the middle of the Pacific ocean.
Costa Rica is a tiny nation in Central America - with only one tenth of one percent of the world's landmass (19,700 square miles), it is smaller than the state of West Virginia.