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  • Country
  • Volcanic Region
  • Primary Volcano Type
  • Last Known Eruption
  • 55.42°N
  • 167.33°E

  • -300 m
    -984 ft

  • 300271
  • Latitude
  • Longitude

  • Summit

  • Volcano

The Global Volcanism Program has no activity reports for Piip.

The Global Volcanism Program has no Weekly Reports available for Piip.

The Global Volcanism Program has no Bulletin Reports available for Piip.

Basic Data

Volcano Number

Last Known Eruption



5050 BCE

-300 m / -984 ft


Volcano Types


Rock Types

Andesite / Basaltic Andesite

Tectonic Setting

Subduction zone
Intermediate crust (15-25 km)


Within 5 km
Within 10 km
Within 30 km
Within 100 km

Geological Summary

Dredged rocks from the summits of volcanic cones rising from 2500 m depth to within a few hundred meters of the surface yielded fresh dacitic lavas and pumice apparently of Holocene age (Fedotov et al., 1989; Seliverstov et al., 1986). Tephrochronological studies on the Commander Islands suggest that the latest tephras from Piip volcano may be as young as a few centuries, and echograms indicate present-day gas emission from the volcano. The three steep-sided volcanic cones were constructed along a N-S trend and lie about 140-150 km from the axis of the Aleutian trench, a similar distance as other Aleutian arc volcanoes. The southern and northern cones exceed the central cone in size and have craters open to the SW about 500 and 300 m wide, respectively. A lava dome occupies the southern crater, and other domes or parasitic cones are found on the summit cones and flanks of the edifice. Vigorous gas emission from the northern cone rises about 300 m from "black smoker" vents on the crater floor.


The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography.

Bogdanova O Y, Gorshkov A I, Baranov B V, Seliverstov N I, Sivstov A V, 1990. Hydrothermal deposits from Piip submarine volcano, Komandorskii Basin. Volc Seism, 11: 354-373 (English translation).

Fedotov S A, Ivanov B V, Dvigalo V N, Kirsanov I T, Murav'ev Y D, Ovsyannikov A A, Razina A A, Seliversov N I, Stepanov V V, Khrenov A P, Chirkov A M, 1985. Activity of the volcanoes of Kamchatka and the Kuril Islands in 1984. Volc Seism, 1985(5): 3-23 (English translation 1989, 7: 647-682).

Seliverstov N I, Avdeiko G P, Ivanenko A N, Shkira V A, Khubunaya S A, 1986. A new submarine volcano in the west of the Aleutian island arc. Volc Seism, 1986(4): 3-16 (English translation 1990, 8: 473-495).

Seliverstov N I, Gavrilenko G M, Kirianov V Y, 1989. Modern activity of Piip submarine volcano, Komandorsky Basin. Volc Seism, 1989(6): 3-18 (English translation 1990, 11: 757-779).

Yogodzinski G M, Volynets O N, Koloskov A V, Seliverstov N I, Matvenkov V V, 1994. Magnesian andesites and the subduction component in a strongly calc-alkaline series at Piip Volcano, Far Western Aleutians. J Petr, 35: 163-204.

Eruptive History

Summary of Holocene eruption dates and Volcanic Explosivity Indices (VEI).

Start Date Stop Date Eruption Certainty VEI Evidence Activity Area or Unit
5050 BCE (?) Unknown Confirmed   Tephrochronology

This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.



The Global Volcanism Program has no photographs available for Piip.

Smithsonian Sample Collections Database

There are no samples for Piip in the Smithsonian's NMNH Department of Mineral Sciences Rock and Ore collection.

Affiliated Sites

Large Eruptions of Piip Information about large Quaternary eruptions (VEI >= 4) is cataloged in the Large Magnitude Explosive Volcanic Eruptions (LaMEVE) database of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).
WOVOdat WOVOdat is a database of volcanic unrest; instrumentally and visually recorded changes in seismicity, ground deformation, gas emission, and other parameters from their normal baselines. It is sponsored by the World Organization of Volcano Observatories (WOVO) and presently hosted at the Earth Observatory of Singapore.
EarthChem EarthChem develops and maintains databases, software, and services that support the preservation, discovery, access and analysis of geochemical data, and facilitate their integration with the broad array of other available earth science parameters. EarthChem is operated by a joint team of disciplinary scientists, data scientists, data managers and information technology developers who are part of the NSF-funded data facility Integrated Earth Data Applications (IEDA). IEDA is a collaborative effort of EarthChem and the Marine Geoscience Data System (MGDS).
MODVOLC - HIGP MODIS Thermal Alert System Using infrared satellite Moderate Resolution Imaging Spectroradiometer (MODIS) data, scientists at the Hawai'i Institute of Geophysics and Planetology, University of Hawai'i, developed an automated system called MODVOLC to map thermal hot-spots in near real time. For each MODIS image, the algorithm automatically scans each 1 km pixel within it to check for high-temperature hot-spots. When one is found the date, time, location, and intensity are recorded. MODIS looks at every square km of the Earth every 48 hours, once during the day and once during the night, and the presence of two MODIS sensors in space allows at least four hot-spot observations every two days. Each day updated global maps are compiled to display the locations of all hot spots detected in the previous 24 hours. There is a drop-down list with volcano names which allow users to 'zoom-in' and examine the distribution of hot-spots at a variety of spatial scales.
MIROVA Middle InfraRed Observation of Volcanic Activity (MIROVA) is a near real time volcanic hot-spot detection system based on the analysis of MODIS (Moderate Resolution Imaging Spectroradiometer) data. In particular, MIROVA uses the Middle InfraRed Radiation (MIR), measured over target volcanoes, in order to detect, locate and measure the heat radiation sourced from volcanic activity.