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Nord Stream blast details published

Published by , Senior Editor
World Pipelines,

Researchers in Norway have revealed further analysis of 2022 explosions, as well as a detailed timeline of events.

Nord Stream blast details published

Scientists investigating the attack on the Nord Stream pipelines have revealed key new details of explosions linked to the event, which remains unsolved on its first anniversary.

Researchers in Norway shared with The Guardian seismic evidence of the four explosions, becoming the first national body to publicly confirm the second two detonations, as well as revealing a detailed timeline of events.

The recently discovered additional explosions took place in an area north-east of the Danish Baltic island of Bornholm about seven seconds and 16 seconds after the two previously known detonations.

Using information from seismic stations in northern Europe and Germany, including the Swedish National Seismic Network and Danish stations on Bornholm, seismologists deployed advanced analysis techniques to observe and pinpoint the blasts.

Seismologists at Norsar, Norway’s national data centre for the comprehensive nuclear test ban treaty (CTBT), told the Guardian they had so far found a total of four explosions – one south-east of Bornholm and three north-east of the island.

Two clear seismic events, named Event S and Event N, were identified on 26 September 2022, soon after the attack. The first, on Nord Stream 2, occurred at 02:03:24 (UTC+2), and the second, on Nord Stream 1, at 19:03:50 (UTC+2).

Norsar said there could potentially be further explosions buried in the data.

The explosions made holes in both Nord Stream 1 pipelines and one of the Nord Stream 2 pipelines. By November last year, Swedish investigators had confirmed that the breaches were caused by man-made explosives.

Investigations are continuing, but officials quoted in the US and German press have said the evidence points towards a Ukrainian-backed group, or a pro-Ukrainian group operating without the knowledge of the leadership in Kyiv.

German investigators have focused on a 51 ft rental yacht called the Andromeda, which was hired by a mysterious crew of five men and one woman, at least some of whom were travelling on false passports.

Other reports in the Scandinavian media have pointed to a cluster of Russian ships, with their identifying transponders turned off, in the vicinity of the blast sites in the days before the explosions.



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The October 2023 issue of World Pipelines includes a keynote feature on pipeline activity in Africa and the Middle East. This section offers insight into pipeline capacity and projects in African and Middle eastern countries, and tackles issues such as asset management, inter-nation cooperation, and digital transformation. Also in the issue: technical articles on pipeline isolation, subsea repair, trenchless technology, compressors, pumps and more.

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