| 词条 | 1984 Llŷn Peninsula earthquake |
| 释义 |
|title = 1984 Llŷn Peninsula earthquake |timestamp = 1984-07-19 06:56:10 |anss-url=usp00025ue |isc-event=549253 |local-date= {{Start date|1984|7|19|df=y}} |local-time = 07:56 BST |pushpin_map = Wales Gwynedd#United Kingdom |magnitude = 5.4 ML |depth={{convert|20.7|km|mi|0}} |location={{coord|52.96|N|4.38|W|display=inline,title}} | intensity = VI (Slightly damaging) |countries affected = United Kingdom Ireland |engvar = en-UK }} The 1984 Llŷn Peninsula earthquake struck the Llŷn Peninsula in Gwynedd, northwest Wales on Thursday 19 July 1984 at 06:56 UTC (07:56 BST). Measuring 5.4 on the Richter scale, it is the largest onshore earthquake to occur in the UK since instrumental measurements began.[1][2] The effects were felt throughout Wales, most of England, and parts of Ireland and Scotland. There were many reports of minor damage to chimneys and masonry throughout Wales and England, the biggest concentration of damage being in Liverpool, which is located around 65 miles northeast of the epicentre.[2] Minor injuries were also reported in the areas surrounding the epicentral area, and rockslides occurred at Tremadog in Gwynedd.[3] The 19 July earthquake was followed by many aftershocks in the following months, the largest measuring 4.3 on the Richter scale, which itself was felt as far away as Dublin, in Ireland.[4] References1. ^{{cite web|url=http://www.earthquakes.bgs.ac.uk/earthquakes/education/faqs/faq9.html |title=BGS FAQ What are the largest two instrumental, onshore earthquakes? |publisher=BGS |accessdate=10 October 2007 |archiveurl=https://web.archive.org/web/20071009144245/http://www.earthquakes.bgs.ac.uk/earthquakes/education/faqs/faq9.html |archivedate=9 October 2007 |deadurl=yes |df=dmy }} 2. ^1 {{cite web|url=http://www.earthquakes.bgs.ac.uk/earthquakes/historical/historical_listing.htm#19841907|title=19 July 1984 Lleyn Peninsula|publisher=BGS|accessdate=10 October 2007 |archive-url=https://web.archive.org/web/20070609145252/http://www.earthquakes.bgs.ac.uk/earthquakes/historical/historical_listing.htm#19841907|archive-date=9 June 2007|dead-url=yes|df=dmy-all}} 3. ^{{cite web|url=https://earthquake.usgs.gov/eqcenter/eqarchives/significant/sig_1984.php |title=USGS Significant earthquakes of the world 1984 |publisher=USGS |accessdate=10 October 2007 |archiveurl=https://web.archive.org/web/20071012201021/http://earthquake.usgs.gov/eqcenter/eqarchives/significant/sig_1984.php |archivedate=12 October 2007 |deadurl=no |df=dmy }} 4. ^{{cite web|url=http://www.earthquakes.bgs.ac.uk/macroseismics/manchester_earthquake_sequence.htm|title=Manchester Earthquake Sequence report (Mentions this event)|publisher=BGS|accessdate=10 October 2007 |archive-url=https://web.archive.org/web/20070806063642/http://www.earthquakes.bgs.ac.uk/macroseismics/manchester_earthquake_sequence.htm|archive-date=6 August 2007|dead-url=yes|df=dmy-all}} External links
7 : Earthquakes in the United Kingdom|1984 earthquakes|1984 in Wales|History of Gwynedd|Natural disasters in Wales|Environment of Gwynedd|July 1984 events |
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