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Martin ηφαίστειο

Τελευταία ανανενώση: 29 Νοεμβρίου 2022 13:24 GMT -
Stratovolcano 1863 m / 6,112 ft
Alaska Peninsula, USA, 58.17°N / -155.36°W
Current status: normal or dormant (1 out of 5)
Last update: 13 Dec 2021 (Smithsonian / USGS Weekly Volcanic Activity Report)

Διαδραστικός χάρτης
Typical eruption style: δεν έχει καθοριστεί
Martin ηφαίστειο εκρήξεις: 1953 

Latest nearby earthquakes

ΏραMag. / ΒάθοςΑπόσταση/Τοποθεσία
Τετάρτη, 23 Νοεμβρίου 2022 GMT (1 σεισμός)
23 Νοε 2022 00:18 (GMT -9) (23 Νοε 2022 09:18 GMT)
2.5
14 km (8.7 mi)
98 km νοτιοανατολικά από King Salmon, Bristol Bay, Αλάσκα, Ηνωμένες Πολιτείες
Δευτέρα, 21 Νοεμβρίου 2022 GMT (1 σεισμός)
20 Νοε 2022 16:53 (GMT -9) (21 Νοε 2022 01:53 GMT)
1.5
12 km (7.5 mi)
86 Km NNW of Karluk, Alaska
Κυριακή, 20 Νοεμβρίου 2022 GMT (3 σεισμοί)
20 Νοε 2022 07:27 (GMT -9) (20 Νοε 2022 16:27 GMT)
1.6

1.4 km
12 km (7.5 mi)
85 Km NNW of Karluk, Alaska
20 Νοε 2022 05:35 (GMT -9) (20 Νοε 2022 14:35 GMT)
4.1

7.1 km
10.4 km (6.5 mi)
174 km δυτικά από Kodiak, Αλάσκα, Ηνωμένες Πολιτείες
19 Νοε 2022 23:23 (GMT -9) (20 Νοε 2022 08:23 GMT)
1.9

1.3 km
19 km (12 mi)
86 km βορειοδυτικά από Karluk, Kodiak Island, Αλάσκα, Ηνωμένες Πολιτείες

Background

The mostly ice-covered Mount Martin stratovolcano lies at the SW end of the Katmai volcano cluster in Katmai National Park. The volcano was named for George C. Martin, the first person to visit and describe the Katmai area after the 1912 eruption. Mount Martin is capped by a 300-m-wide summit crater, which is ice-free because of an almost-constant steam plume and contains a shallow acidic lake. The edifice of Martin volcano overlies glaciated lava flows of the adjacent mid- to late-Pleistocene Alagoshak volcano on the WSW and was constructed entirely during the Holocene. Mount Martin consists of a small fragmental cone that was the source of ten thick overlapping blocky dacitic lava flows, largely uneroded by glaciers, that descend 10 km to the NW, cover 31 sq km, and form about 95% of the eruptive volume of the volcano. Two reports of historical eruptions that originated from uncertain sources were attributed by Muller et al. (1954) to Martin.
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Smithsonian / GVP volcano information

Martin Φωτογραφίες




See also: Sentinel hub | Landsat 8 | NASA FIRMS
Wed, 11 Jan 2006, 06:00

Martin volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 January-17 January 2006 (New Activity / Unrest)

Increased seismicity occurred at Martin during 8 January until at least 15 January. About 300 earthquakes were recorded during 2 days, in contrast to the background rate of ~25 earthquakes per month since the seismic network was installed in 1996. AVO increased the Concern Color Code to Yellow. ... Read all
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