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Morne Trois Pitons volcano

Updated: Jul 3, 2022 18:22 GMT - Refresh
Complex volcano 1387 m / 4,550 ft
West Indies, Dominica, 15.37°N / -61.33°W
Current status: normal or dormant (1 out of 5)

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Typical eruption style: unspecified
Morne Trois Pitons volcano eruptions: 920 AD ± 50 years
Lastest nearby earthquakes:
TimeMag. / DepthDistance/Location
Thursday, June 30, 2022 GMT (1 quake)
Jun 30, 2022 6:43 pm (GMT -4) (Jun 30, 2022 22:43 GMT)
2.7

32 km
69 km (43 mi)
Caribbean Sea, 43 km east of Roseau, Saint George, Dominica
Friday, June 24, 2022 GMT (1 quake)
Jun 24, 2022 4:29 am (GMT -4) (Jun 24, 2022 08:29 GMT)
2.1

47 km
52 km (32 mi)
North Atlantic Ocean, 57 km east of Roseau, Saint George, Dominica
Thursday, June 23, 2022 GMT (1 quake)
Jun 23, 2022 2:10 pm (GMT -4) (Jun 23, 2022 18:10 GMT)
2.4

40 km
61 km (38 mi)
North Atlantic Ocean, 68 km east of Roseau, Saint George, Dominica
Tuesday, June 21, 2022 GMT (1 quake)
Jun 20, 2022 11:29 pm (GMT -4) (Jun 21, 2022 03:29 GMT)
3.3

57 km
58 km (36 mi)
North Atlantic Ocean, 65 km east of Roseau, Saint George, Dominica

Background

Two large lava-domes complexes, Morne Trois Pitons and Micotrin, rise NE of the capital city of Roseau in central Dominica. Micotrin (Morne Macaque) dome lies immediately south of the larger 1387-m-high Morne Trois Pitons; small lakes are located in the saddle between the two domes and on the eastern flank of Micotrin. The domes are located along the margin of a large semi-circular depression on the western coast of central Dominica, whose origin has been variously attributed to caldera collapse, gravity sliding, or the juxtaposition of several independent volcanic centers. The area is the source of the voluminous, mostly submarine Roseau Tuff, a thick sequence of pyroclastic flows erupted between about 40,000 and 25,000 years ago. It is considered to have originated from calderas at Morne Trois Piton and Wotten Waven, the latter an elliptical NE-SW-trending caldera containing Microtin at its NE end. Explosive eruptions at the Trois Piton-Microtin complex producing pyroclastic flows continued into the late Pleistocene and Holocene. The youngest dated eruption took place about 800 AD, but other smaller eruptions may have occurred since.
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Smithsonian / GVP volcano information


See also: Sentinel hub | Landsat 8 | NASA FIRMS
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