Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: 1984 Earthquakes, 1984 Floods, Tornadoes of 1984, Risks to the Glen Canyon Dam, 1984 Carolinas Tornado Outbreak, 1984 Barneveld, Wisconsin Tornado Outbreak, Late November 1984 Nor'easter, 1984 Morgan Hill Earthquake, Southwest Ontario Tornado Outbreak of 1984, 1984 Lln Peninsula Earthquake, 1984 Yaroslavl Tornado. Excerpt: The 1984 Ll n Peninsula earthquake struck the Ll n Peninsula in Gwynedd, north-west Wales on 19 July 1984 at 06:56 UTC (07:56 BST ). It measured 5.4 on the Richter scale, and is the largest known onshore earthquake to occur in the UK since instrumental measurements began. 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 north-east of the epicentre . Minor injuries were also reported in the areas surrounding the epicentral area, and rockslides occurred at Tremadog in Gwynedd. It 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. References (URLs online) Websites (URLs online) A hyperlinked version of this chapter is at The 1984 Morgan Hill Earthquake (also Halls Valley Earthquake ) was a magnitude 6.2 earthquake that occurred on 24 April 1984 at 1:15 PM local time, in the south San Francisco Bay Area, California . The epicenter of the quake was located near Mount Hamilton in the Diablo Range of the California Coast Ranges, although nearby communities, including Morgan Hill, sustained serious damage. Damages from the earthquake totaled $7 million USD, not taking into account damages to high-tech industrial facilities. ...