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Cotopaxi volcano

stratovolcano 5911 m / 19,393 ft, Ecuador, -0.68°S / -78.44°W
Nearby recent earthquakes (within 30km radius):
Earthquake list: past 7 days, magnitude -0.8 or higher (2 quakes)
Updated: Fri, 30 Oct 02:45 UTC (GMT)
Quake statistics | Yesterday
Look up past earthquakes:
Show quakes
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Depth and magnitude of quakes versus time plot

Earthquake depth plot

Earthquake list

TimeMag. / DepthDistanceLocationMapSource
Tue, 27 Oct 2020 (UTC)
2020-10-27 07:02:04 (27 Oct 12:02:04 UTC)M 3.5 / 6 km - InfoCotopaxi (16 km) Ecuador - Pichincha, A 9.38km De Machachi
I FELT IT - 19 reports
Map
IGEPN
2020-10-27 06:59:20 (27 Oct 11:59:20 UTC)M 4.5 / 3 km - InfoCotopaxi (17 km) Ecuador - Pichincha, A 9.72km De Machachi
I FELT IT - 57 reports
Map
IGEPN
Estimated combined seismic energy released: 3.7 x 1011 joules (102 megawatt hours, equivalent to 87.5 tons of TNT) [learn more]

Earthquake statistics

Number of earthquakes vs time:

Past 24 hrs:
Number of quakes and energy past 24 hours
Past 30 days:
Number of quakes and energy past 30 days
Past 90 days:
Number of quakes vs time
Magnitude distribution and energy released:
Past 24 hrs:
Number of quakes and energy vs magnitude past 24 hrs Magnitudes of quakes and energy vs time past 24 hrs
Past 7 days:
Number of quakes and energy vs magnitude past 7 days Magnitudes of quakes and energy vs time past 7 days
Past 30 days:
Number of quakes and energy vs magnitude past 30 days Magnitudes of quakes and energy vs time past 30 days

Sources of information / literature:

  • Smithsonian / GVP Cotopaxi volcano information
  • Minard Hall and Patricia Mothes (2008) "The rhyolitic–andesitic eruptive history of Cotopaxi volcano, Ecuador", Bull. Volc., v. 70 (6), pp. 675-70
  • Jan Kozák and Vladimír Čermák (2010) "The Illustrated History of Natural Disasters", Springer (Netherlands), pp 95-96
  • Barberi et al (1995) "Chronology and dispersal characteristics of recently (last 5000 years) erupted tephra of Cotopaxi (Ecuador): implications for long-term eruptive forecasting", Journal of Volcanology and Geothermal Research, v 69 (3-4), pp. 217-239
  • Pistolesi et al (2011) "Physical volcanology of the post–twelfth-century activity at Cotopaxi volcano, Ecuador: Behavior of an andesitic central volcano", GSA Bulletin; May 2011; v. 123; no. 5-6; p. 1193-1215
  • Mothes et al (1998) "The enormous Chillos Valley Lahar: an ash-flow-generated debris flow from Cotopaxi Volcano, Ecuador", Bull. Volc., v. 59 (4), pp. 233-244

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