Several small earthquakes shook the Spanish island of La Palma off northwest Africa, keeping nerves on edge as rivers of volcanic lava continued to flow toward the sea Tuesday and a new vent blew open on the mountainside.

Several small earthquakes shook the Spanish island of La Palma off northwest Africa, keeping nerves on edge as rivers of volcanic lava continued to flow toward the sea Tuesday and a new vent blew open on the mountainside.