Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Masaya
Masaya is one of Nicaragua's most unusual and most active volcanoes. It is a broad, 6 x 11 km basaltic caldera with steep-sided walls up to 300-m high. The caldera is filled on its NW end by more than a dozen vents erupted along a circular, 4-km-diameter fracture system. The twin volcanoes of Nindirí and Masaya are seen here from the east caldera rim above Lake Masaya. Masaya has been frequently active since the time of the Spanish Conquistadors, when an active lava lake prompted several attempts to extract the volcano's molten "gold." Photo by Jaime Incer.
Volcano Number:344100
Volcano Name:Masaya
Country:Nicaragua
Volcano Type:Caldera
Last Eruption:2019
Elevation:635m
Tectonic Setting:Subduction zone / Continental crust (> 25 km)
Pop. within 5km:989888
Pop. within 10km:989888
Pop. within 30km:1914707
Pop. within 100km:2926954
Latitude:11.984
Longitude:-86.161



Eruption Data from the Global Volcanism Program of the Smithsonian Institution
Volcano Number Volcano Name Eruption Number Activity Type Explosivity Index Max Explosivity Index Modifier Activity Area Activity Unit Start Evidence Method Start Date End Date
344100 Masaya 11004 Confirmed Eruption 6 NW of caldera San Antonio Tephra Tephrochronology -4050
344100 Masaya 11005 Confirmed Eruption 5 Masaya Triple Layer Radiocarbon (uncorrected) -170
344100 Masaya 11006 Confirmed Eruption 5 + Masaya Tuff Tephrochronology 150
344100 Masaya 11007 Confirmed Eruption 0 Nindirí Historical Observations 1524 1544
344100 Masaya 11008 Confirmed Eruption 0 Nindirí Historical Observations 1551
344100 Masaya 11009 Confirmed Eruption 0 Nindirí Historical Observations 1570
344100 Masaya 11010 Uncertain Eruption 0 Nindirí 1586
344100 Masaya 11011 Uncertain Eruption 0 Nindirí 1613
344100 Masaya 11012 Confirmed Eruption 3 Nindirí Historical Observations 1670
344100 Masaya 11013 Confirmed Eruption 2 North side of Old Masaya Crater Historical Observations 1772/3/16 1772/3/25
344100 Masaya 11015 Confirmed Eruption 2 Between Masaya and Nindirí Craters Historical Observations 1852 1852
344100 Masaya 11016 Confirmed Eruption 1 ? Santiago Historical Observations 1853/4/9 1853/9/15
344100 Masaya 11017 Confirmed Eruption 2 Santiago or San Pedro Historical Observations 1856 1857
344100 Masaya 11018 Uncertain Eruption 1858
344100 Masaya 11019 Confirmed Eruption 2 Santiago, San Pedro Historical Observations 1858/11/10 1859/3/27
344100 Masaya 11020 Confirmed Eruption 2 Santiago Historical Observations 1902/7/15 1903
344100 Masaya 11021 Confirmed Eruption 2 Santiago Historical Observations 1904 1904
344100 Masaya 11022 Confirmed Eruption 2 Santiago and upper NE flank near El Pelón Historical Observations 1906/1/2 1906/1/9
344100 Masaya 11023 Confirmed Eruption 1 ? Santiago Historical Observations 1913/7/12
344100 Masaya 11024 Confirmed Eruption 1 Santiago Historical Observations 1918
344100 Masaya 11025 Confirmed Eruption 2 Santiago Historical Observations 1919 1924
344100 Masaya 11026 Confirmed Eruption 2 ? Santiago Historical Observations 1925
344100 Masaya 11027 Confirmed Eruption 1 Santiago Historical Observations 1946 1947
344100 Masaya 11028 Confirmed Eruption 1 Santiago Historical Observations 1948 1948
344100 Masaya 11029 Confirmed Eruption 1 Santiago Historical Observations 1965/10/10 1985/4/16
344100 Masaya 11030 Confirmed Eruption 1 Santiago Historical Observations 1987/2/15 1987/2/22
344100 Masaya 11031 Confirmed Eruption 1 Santiago Historical Observations 1989/2/20 1989/11/16
344100 Masaya 11032 Confirmed Eruption 1 Santiago Historical Observations 1993/6/16 1994/11/16
344100 Masaya 11033 Confirmed Eruption 1 Santiago Historical Observations 1996/12/5 1996/12/5
344100 Masaya 11034 Confirmed Eruption 1 Santiago Historical Observations 1997/6/3 1997/11/17
344100 Masaya 11035 Confirmed Eruption 1 Santiago Historical Observations 1998/9/14 1998/9/14
344100 Masaya 11036 Confirmed Eruption 1 Santiago Historical Observations 1999/11/22 2000/3/2
344100 Masaya 11037 Confirmed Eruption 1 Santiago Historical Observations 2001/4/23 2001/4/25
344100 Masaya 11038 Confirmed Eruption 1 Santiago Historical Observations 2003/9/22 2003/12/12
344100 Masaya 11039 Uncertain Eruption 1 ? Santiago 2004/7/4 2004/7/4
344100 Masaya 11040 Confirmed Eruption 1 Santiago Historical Observations 2005/3/4 2005/3/30
344100 Masaya 11041 Confirmed Eruption 1 Santiago Historical Observations 2006/8/4 2006/10/25
344100 Masaya 11042 Confirmed Eruption 1 Santiago Historical Observations 2008/4/29 2008/12/17
344100 Masaya 22108 Confirmed Eruption 1 Historical Observations 2015/10/3 2019/2/12
344100 Masaya 22143 Confirmed Eruption 1 Santiago Crater Historical Observations 2012/4/30 2012/6/8
344100 Masaya 22291 Uncertain Eruption 0 Historical Observations 2013/5/11 2013/5/26
Emissions Data from the Global Volcanism Program of the Smithsonian Institution No emissions data found for this volcano.


Data from the Earthchem Portal
Sorry. No data exist for this volcano in the EarthChem Portal.


Data from the SESAR Database


Data from the MaGa Database
Location: Masaya (View Details at MaGa DB)
Description: Masaya is a basaltic volcano that sustains a vigorous and persistent plume from its currently active Santiago crater.
Hazard Description: not reported
Type: volcanic_plume
Region: Managua, Nicaragua
Country: Nicaragua
Volcanic Complex: Masaya
Gas Concentration Data:
Measurement Name Detail Specie Concentration Unit of Measure
Masaya_20032009 Detail H2O/SO2 63
Masaya_20032009 Detail CO2/SO2 2.7
Masaya_20032009 Detail HCl/SO2 0.5
Gas Flux Data:
Measurement Name Detail Specie Flux Std. Dev. Unit of Measure
Masaya_20032009 Detail CO2 930 0 Mg/d
Masaya_20032009 Detail SO2 690 0 Mg/d

Location: Comalito cinder cone (View Details at MaGa DB)
Description: Comalito cinder cone is a volcanic site close to Masaya volcano characterized by continuous gas emissions and elevated temperature.
Hazard Description: not reported
Type: soil_diffuse_emission
Region: Managua Department, Nicaragua
Country: Nicaragua
Volcanic Complex: Masaya
Gas Flux Data:
Measurement Name Detail Specie Flux Std. Dev. Unit of Measure
Masaya Comalito_28032003 Detail CO2 20.2 2.16 Mg/d

Location: Laguna de Masaya (View Details at MaGa DB)
Description: Masaya lagoon is a volcanic lake close to the town of Masaya, Nicaragua.
Hazard Description: not reported
Type: lake
Region: Masaya Department, Nicaragua
Country: Nicaragua
Volcanic Complex: Masaya
Gas Flux Data:
Measurement Name Detail Specie Flux Std. Dev. Unit of Measure
laguna de Masaya_01012009 Detail CO2 868.9 15.8 Mg/d