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The nature of fire phenomena during the 1927 Crimean earthquakes

The nature of fire phenomena during the 1927 Crimean earthquakes

During the Crimean earthquakes of 1927, incomprehensible natural phenomena were observed in the Black Sea — flashes of fire above the water (henceforth referred to as the fire phenomena). It was originally believed that these phenomena were associated with ignition of methane, which had escaped from...

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Main Authors: Kobolev, V.P., Yanko, V.V.
Format: Article
Language:English
Published: Subbotin Institute of Geophysics of the NAS of Ukraine 2025
Subjects:
gas-fluid flow
gas emissions
Black Sea
earthquakes
Online Access:https://journals.uran.ua/geofizicheskiy/article/view/320991
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id journalsuranua-geofizicheskiy-article-320991
record_format ojs
institution Geofizicheskiy Zhurnal
baseUrl_str
datestamp_date 2025-02-21T15:43:02Z
collection OJS
language English
topic gas-fluid flow
gas emissions
Black Sea
earthquakes
spellingShingle gas-fluid flow
gas emissions
Black Sea
earthquakes
Kobolev, V.P.
Yanko, V.V.
The nature of fire phenomena during the 1927 Crimean earthquakes
topic_facet газофлюїдний потік
викиди газу
розломні зони
Чорне море
землетруси
gas-fluid flow
gas emissions
Black Sea
earthquakes
format Article
author Kobolev, V.P.
Yanko, V.V.
author_facet Kobolev, V.P.
Yanko, V.V.
author_sort Kobolev, V.P.
title The nature of fire phenomena during the 1927 Crimean earthquakes
title_short The nature of fire phenomena during the 1927 Crimean earthquakes
title_full The nature of fire phenomena during the 1927 Crimean earthquakes
title_fullStr The nature of fire phenomena during the 1927 Crimean earthquakes
title_full_unstemmed The nature of fire phenomena during the 1927 Crimean earthquakes
title_sort nature of fire phenomena during the 1927 crimean earthquakes
title_alt Природа вогненних явищ під час Кримських землетрусів 1927 р.
description During the Crimean earthquakes of 1927, incomprehensible natural phenomena were observed in the Black Sea — flashes of fire above the water (henceforth referred to as the fire phenomena). It was originally believed that these phenomena were associated with ignition of methane, which had escaped from the seabed due to tectonic disturbances formed during seismic movements. Analysis of the available geological and geophysical materials, along with the seismicity of the northern Black Sea region, indicates that the fire phenomena that had occurred during the Crimean earthquakes of 1927 were caused by massive gas emissions. These emissions were a result of the powerful mantle gas-fluid flow into the decompaction zones of the crystalline basement along tectonic disturbances of various scales within the Odessa-Sinop and Circum-Black Sea fault zones during this time. In fact, the earthquakes were a trigger for the activation of tectonic disturbances in the bottom sedimentary horizons for the migration of focused deep gas-fluid flows. To establish a proper interpretation and understanding of the fiery phenomena observed during the Yalta earthquakes of 1927, the conceptual system of the hypotheses of A.L. Gilat and A. Vol [2012] is provided. The main energy source for the Earth’s internal processes is considered to be the induced chain of degassing reactions of hydrogen and helium, as the most common and important energy carriers and reservoirs. This article analyzes the deep structure of focal zones and the nature of the seismic process, and it, and via these analyses it considers the possible nature of the manifestations of the fires phenomena phenomena. Through the methods used in this study, their spatial and temporal directionality of the fire phenomena is established. The main bands of the fire outbreaks over the water spread in two directions. The earlier one, the Sevastopol-Evpatoriya zone, was elongated submeridionally to the west of the coast. It lied was spatially situated to the east of the Nikolaevskiy fault. The later one, the Yalta-Alushta zone of the northeastern extension, was associated with tectonic disturbances within the Circum-Black Sea fault zone. This fault zone remains active at the present time, which is confirmed by its seismicity, the structure of the consolidated crust and sedimentary strata, the forms of the bottom relief, etc.
publisher Subbotin Institute of Geophysics of the NAS of Ukraine
publishDate 2025
url https://journals.uran.ua/geofizicheskiy/article/view/320991
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spelling journalsuranua-geofizicheskiy-article-3209912025-02-21T15:43:02Z The nature of fire phenomena during the 1927 Crimean earthquakes Природа вогненних явищ під час Кримських землетрусів 1927 р. Kobolev, V.P. Yanko, V.V. газофлюїдний потік викиди газу розломні зони Чорне море землетруси gas-fluid flow gas emissions Black Sea earthquakes During the Crimean earthquakes of 1927, incomprehensible natural phenomena were observed in the Black Sea — flashes of fire above the water (henceforth referred to as the fire phenomena). It was originally believed that these phenomena were associated with ignition of methane, which had escaped from the seabed due to tectonic disturbances formed during seismic movements. Analysis of the available geological and geophysical materials, along with the seismicity of the northern Black Sea region, indicates that the fire phenomena that had occurred during the Crimean earthquakes of 1927 were caused by massive gas emissions. These emissions were a result of the powerful mantle gas-fluid flow into the decompaction zones of the crystalline basement along tectonic disturbances of various scales within the Odessa-Sinop and Circum-Black Sea fault zones during this time. In fact, the earthquakes were a trigger for the activation of tectonic disturbances in the bottom sedimentary horizons for the migration of focused deep gas-fluid flows. To establish a proper interpretation and understanding of the fiery phenomena observed during the Yalta earthquakes of 1927, the conceptual system of the hypotheses of A.L. Gilat and A. Vol [2012] is provided. The main energy source for the Earth’s internal processes is considered to be the induced chain of degassing reactions of hydrogen and helium, as the most common and important energy carriers and reservoirs. This article analyzes the deep structure of focal zones and the nature of the seismic process, and it, and via these analyses it considers the possible nature of the manifestations of the fires phenomena phenomena. Through the methods used in this study, their spatial and temporal directionality of the fire phenomena is established. The main bands of the fire outbreaks over the water spread in two directions. The earlier one, the Sevastopol-Evpatoriya zone, was elongated submeridionally to the west of the coast. It lied was spatially situated to the east of the Nikolaevskiy fault. The later one, the Yalta-Alushta zone of the northeastern extension, was associated with tectonic disturbances within the Circum-Black Sea fault zone. This fault zone remains active at the present time, which is confirmed by its seismicity, the structure of the consolidated crust and sedimentary strata, the forms of the bottom relief, etc. Під час Кримських землетрусів 1927 р. у Чорному морі спостерігалися незрозумілі природні явища ― спалахи вогню над водою. Останні, як тоді вважали, пов’язані з загоранням метану, який виривався з дна моря через утворені при сейсмічних рухах тектонічні порушення. Аналіз наявних геолого-геофізичних матеріалів, поряд з сейсмічністю півночі Чорноморського регіону, свідчить, що вогняні явища під час Кримських землетрусів 1927 р. зумовлені грандіозними викидами газу в результаті потужного мантійного газофлюїдного потоку в розущільнені зони кристалічного фундаменту вздовж тектонічних порушень різного масштабу в межах Одесько-Синопської та Циркумчорноморської розломних зон. Натомість землетруси були тригером активізації тектонічних порушень у придонних осадових горизонтах для міграції сфокусованих глибинних газофлюїдних потоків. Для тлумачення і розуміння природи вогненних явищ, що спостерігалися під час Ялтинських землетрусів 1927 р., розглянуто концептуальну систему гіпотез А.Л. Гілата и А. Вола [2012], згідно з якою основним джерелом енергії внутрішніх процесів Землі є індукований ланцюг реакцій дегазації водню та гелію, як найбільш поширених і найважливіших зберігачів та носіїв енергії. У статті аналізується глибинна будова осередкових зон і характер сейсмічного процесу, розглядається можлива природа проявів вогненних явищ. Встановлено їх просторову і часову направленість. Основні смуги спалахів вогню над водою поширювались у двох напрямках. Перша за часом Севастопольско-Євпаторійська зона, витягнута субмеридіонально на заході від узбережжя, просторово наслідує Миколаївський розлом. Друга за часом, Ялтинсько-Алуштинська зона північно-східного простягання, пов’язана з тектонічними порушеннями у межах Циркумчорноморської зони розломів. Ця розломна зона зберігає активність і нині, що підтверджується її сейсмічністю, будовою консолідованої кори і осадової товщі, формами рельєфу дна та ін. Subbotin Institute of Geophysics of the NAS of Ukraine 2025-02-21 Article Article application/pdf https://journals.uran.ua/geofizicheskiy/article/view/320991 10.24028/gj.v47i1.320991 Geofizicheskiy Zhurnal; Vol. 47 No. 1 (2025) Геофизический журнал; Том 47 № 1 (2025) Геофізичний журнал; Том 47 № 1 (2025) 2524-1052 0203-3100 en https://journals.uran.ua/geofizicheskiy/article/view/320991/313534 Copyright (c) 2025 В. П. Коболєв https://creativecommons.org/licenses/by-nc-sa/4.0

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