On and Off the Beaten Path: A Story of Two Parks
Part 1: On the Beaten Path at Parque El Boquerón The San Salvador volcano is called the sleeping giant for good reason. It is a geographically broad, primarily stratovolcano made up of layers of built-up lava and tephra (ash, cinders and rock that blasts out as pyroclasts during an eruption and then settles). Stratovolcanoes are usually cone-shaped. More than 40,000 years ago, the immense, conic San Salvador volcano dominated the landscape of El Salvador. A mammoth eruption truncated the volcano, leaving behind an ancient crater in which the Boquerón volcano grew. About 800 years ago, Boquerón erupted and the central cone collapsed, leaving behind a crater lagoon and the profile which we recognize as the San Salvador volcano today. Photo taken on the day of writing this story: the San Salvador volcano as seen from southeast of the volcano, with an approximation of volcanologists believe was the ancient profile of the San Salvador volcano about 40,000 years ago. In the photo, El Bo...