The plaque reads: "Crater Nindiri explorado por Fray Blas del Castillo en 1538. Rellenado por lava en 1670." The English translation is "Crater Nindiri explored by Fray Blas del Castillo in 1538. Filled with lava in 1670." Crater Nindiri is located near the Masaya volcano, south of Managua. Archived by Leah Williams. Photographed by David Schwartz, Albright College, 1981.