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Cerro San Miguel volcano

Lava dome 414 m / 1358 ft
Costa Rica, 10.02°N / -84.71°W
Current status: (probably) extinct (0 out of 5) | Reports
Cerro San Miguel volcano books
Typical eruption style: unspecified
Cerro San Miguel volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)
TimeMag. / DepthDistanceLocation
Tue, 9 Jun 2020
Tue, 9 Jun 05:18 UTCM 3.1 / 54 km13 km5 km al Noroeste de Miramar, Montes de Oro. (Costa Rica)
Tue, 9 Jun 03:30 UTCM 3.1 / 33 km25 km11 km al Noroeste de Tarcoles, Garabito. (Costa Rica)
Tue, 26 May 2020
Tue, 26 May 07:21 UTCM 3.4 / 26 km7 km17 Km al noreste de Chacarita, New Zealand
Wed, 20 May 2020
Wed, 20 May 03:51 UTCM 3.1 / 31 km1 km9 Km al noreste de Chacarita, New Zealand
Fri, 8 May 2020
Fri, 8 May 16:08 UTCM 3.4 / 36 km9 km New Zealand
View all recent quakes


Cerro San Miguel is an isolated lava dome that was constructed on the SW flank of the Tilarán Range near the mouth of the Gulf of Nicoya, NE of the port city of Puntarenas. The dacitic dome covers an area of about 9 km2 and was Potassium-Argon dated at less than 700,000 BP. A series of vertical-to-subvertical concentric fractures cuts the upper part of the dome.
Source: Smithsonian / GVP volcano information

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