Earthquakes Eastern Aegean

Irish Rover

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There has been significant earthquake activity south of Samos since yesterday evening. Individual tremors of 4.4, 3.7, 4.5, 3.6 and dozens of smaller ones. All in mainly the same area. The 4.5 was at 37°32'25.1"N 26°45'28.8"E at a depth of 16Km.
 
Not in the Aegean but in the Sea of Marmara close to Istanbul - a 5.7 today and dozens of others up to 4.2. These were mainly around Silivri which has quite a big marina and is popular with boats visiting or transiting Istanbul. No serious damage or injuries reported TG.
 
A TV program, Discovery Channel, a while back was looking at earthquake predictions. The science cant predict them yet but one of the trends that is more obvious is associated with the fault that runs up the Bosporus. A series of small earthquakes that move up from the south has been associated with very big earthquakes. Apparently the fault slips, jams, slips, jams, a few times, then gets stuck with a lot of stress at the last sticking point, it then pops and Constantinople gets wrecked. The little earthquakes, in this case, don't relieve pressure in the fault but transfer it northwards. Maybe a load of bullshit from Discovery channel.
 
A TV program, Discovery Channel, a while back was looking at earthquake predictions. The science cant predict them yet but one of the trends that is more obvious is associated with the fault that runs up the Bosporus. A series of small earthquakes that move up from the south has been associated with very big earthquakes. Apparently the fault slips, jams, slips, jams, a few times, then gets stuck with a lot of stress at the last sticking point, it then pops and Constantinople gets wrecked. The little earthquakes, in this case, don't relieve pressure in the fault but transfer it northwards. Maybe a load of bullshit from Discovery channel.
https://www.dailysabah.com/istanbul/2019/03/04/istanbul-greater-region-still-runs-risk-of-major-quake
 
Aya Sofia was damaged by an earthquake not long after it was built and the dome re-built. A quake of a similar size is now due as the centres of quakes in the last century or two have been migrating towards the city, so I hear. I would be surprised if the science of prediction has advanced enough to be useful in this context.
 
Anchor holding capacity will be reduced during an earthquake - and maybe some time afterwards. Be cautious if the wind is up.

Jonathan

would liquefaction not cause the anchor to settle further into the seabed?

(unless you are pulling on it at the time...)

just a wonderment...
 
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