Magnitude 4.9 Earthquake in western Poland.

The United States Geological Survey recorded a Magnitude 4.9 Earthquake at a depth of 10.0 km, approximately 2 km to the southeast of the village of Rudna in Lubin County in Lower Silesia Province, Poland, slightly before 7.20 am local time (slightly before 6.20 am GMT) on Wednesday 8 July 2020. There are no reports of any damage or casualties associated with this event, although it was felt locally.

 The approximate location of the 8 July 2020 Lower Silesia Earthquake. USGS

Poland is in northern Europe, an area not noted for its Earthquakes, but not completely immune either. Like other areas where Earthquakes are uncommon, it is seldom possible to give a precise cause for Polish Earthquakes, with both probably being the result of more than one source of tectonic pressure. The strongest source of tectonic stress in southern Poland is the impact of Africa with Europe, far to the south. This is causing uplift and folding in the Alpine region of Central Europe, and exert pressure on the rocks further to the north. There are also areas of minor tectonic spreading beneath the Rhine Valley and North Sea, both of which cause stress over a wide area. Finally there is glacial rebound; until about 10 000 years ago much of northern and upland Europe was covered by a thick layer of glacial ice, pushing the rocks of the lithosphere down into the underlying mantle. This ice is now gone, and the rocks are slowly springing back into place, causing occasional Earthquakes in the process.

Witness accounts of Earthquakes can help geologists to understand these events, and the structures that cause them. The international non-profit organisation Earthquake Report is interested in hearing from people who may have felt this event; if you felt this quake then you can report it to Earthquake Report here.

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Seven injured and one missing following Magnitude 4.1 Earthquake in Lower Silesia, Poland.

The United States Geological Survey recorded a Magnitude 4.1 Earthquake at a depth of 10.0 km, approximately 3 km to the southwest of the town of Grębocice in Lower Silesia Province, Poland, slightly before 1.55 pm local time (slightly before 12.55 pm GMT) on Tuesday 29 January 2019. The event was felt across much of southeast Poland, and caused a roof collapse at a copper mine at Rudna, trapping eight miners. Seven of these miners have now been rescued and are being treated at a local hospital for non-life-threatening injuries, while one remains missing.

The approximate location of the 29 January 2019 Lower Silesia Earthquake. USGS

Poland is in northern Europe, an area not noted for its Earthquakes, but not completely immune either. Like other areas where Earthquakes are uncommon, it is seldom possible to give a precise cause for Polish Earthquakes, with both probably being the result of more than one source of tectonic pressure. The strongest source of tectonic stress in southern Poland is the impact of Africa with Europe, far to the south. This is causing uplift and folding in the Alpine region of Central Europe, and exert pressure on the rocks further to the north. There are also areas of minor tectonic spreading beneath the Rhine Valley and North Sea, both of which cause stress over a wide area. Finally there is glacial rebound; until about 10 000 years ago much of northern and upland Europe was covered by a thick layer of glacial ice, pushing the rocks of the lithosphere down into the underlying mantle. This ice is now gone, and the rocks are slowly springing back into place, causing occasional Earthquakes in the process.

Witness accounts of Earthquakes can help geologists to understand these events, and the structures that cause them. The international non-profit organisation Earthquake Report is interested in hearing from people who may have felt this event; if you felt this quake then you can report it to Earthquake Report here.

See also...

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Magnitude 5.0 Earthquake in Lower Silesia Province, Poland.

The United States Geological Survey recorded a Magnitude 5.0 Earthquake at a depth of 5.4 km, approximately 1 km to the northeast of the town of Polkowice in Lower Silesia Province, Poland, slightly after 5.30 am local time (slightly after 3.30 pm GMT) on Friday 20 July 2018. There are no reports of any damage or casualties associated with this event, but people have reported feeling it in Wawsaw.

The approximate location of the 20 July 2018 Lower Silesia Earthquake. USGS.

Poland is in northern Europe, an area not noted for its Earthquakes, but not completely immune either. Like other areas where Earthquakes are uncommon, it is seldom possible to give a precise cause for Polish Earthquakes, with both probably being the result of more than one source of tectonic pressure. The strongest source of tectonic stress in southern Poland is the impact of Africa with Europe, far to the south. This is causing uplift and folding in the Alpine region of Central Europe, and exert pressure on the rocks further to the north. There are also areas of minor tectonic spreading beneath the Rhine Valley and North Sea, both of which cause stress over a wide area. Finally there is glacial rebound; until about 10 000 years ago much of northern and upland Europe was covered by a thick layer of glacial ice, pushing the rocks of the lithosphere down into the underlying mantle. This ice is now gone, and the rocks are slowly springing back into place, causing occasional Earthquakes in the process.

Witness accounts of Earthquakes can help geologists to understand these events, and the structures that cause them. The international non-profit organisation Earthquake Report is interested in hearing from people who may have felt this event; if you felt this quake then you can report it to Earthquake Report here.

See also...

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