The Lago Yojoa volcanic field consists a group of Pleistocene-to-Holocene scoria cones and collapse pits (Williams and McBirney, 1969). The principal NE-trending chain of cones cuts through Cerro ...

In the past 3 days, Greece has had 384 quakes of magnitudes up to 4.7: 3 quakes above magnitude 4 9 quakes between magnitude 3 and 4 76 quakes between magnitude 2 and 3 296 quakes below magnitude 2 ...

A number that characterizes the relative size of an earthquake. Different scales are used, but the most common is the logarithmic Richter scale. where most quakes are between 0 (tiny) and 9 (extremely ...

Conchagua is a two-summited stratovolcano overlooking the Gulf of Fonseca at the southeastern tip of El Salvador. Also known as Cochague, it comprises the overlapping Banderas and Ocotal volcanoes; ...

Saba is the northernmost active volcano in the West Indies and belongs to the Lesser Antilles Volcanic Arc. The approximately 5 km-wide island is only the exposed upper part of a much larger ...

Nisyros is a 698-m-high stratovolcano forming a 9-km-wide island in Greece's Dodecanese Islands. It lies in the Hellenic Volcanic Arc and is its easternmost volcano. A caldera 3–4 km across cuts ...

Karangetang, also called Api Siau, rises at the northern end of Siau Island in Indonesia's Sangihe Islands. It is among Indonesia's most active volcanoes, with more than 40 recorded eruptions since ...

Volcán Atitlán is one of several conical stratovolcanoes in the Guatemalan highlands. Along with Tolimán to the north, it forms a dramatic backdrop to Lake Atitlán. The summit directly overlies the ...

Tengchong is a cluster of volcanic cones spread across about 600 km² of southern China, close to the border with Myanmar. The field reaches a listed elevation of 2,865 m and belongs to the Southeast ...

A moderate explosion took place from the volcano's summit crater today. At about 11:53 AM local time, a towering pillar of gas, ash and other ejecta rose to about 3 km above the crater, drifting ...

Altar is a 5,321 m stratovolcano in Ecuador's Northern Andean Volcanic Arc. Its last known eruption is placed roughly two million years ago, and a traditional account of activity and summit collapse ...

Mount McLoughlin is a 2,894 m stratovolcano in Oregon's High Cascades Volcanic Arc. Glacial erosion has exposed part of its fragmental volcanic interior beneath an outer covering of andesite lava. No ...