British Isles & Adjacent Areas: Earthquakes 1980-2008 wall map from the British Geological Survey showing the epicenters of earthquakes with symbols indicating their magnitude on the Richter scale: 1.5 -2.4 ML, 2.5
- 3.9 ML, & 4.0 ML & stronger. Coverage
Includes:: the English Channel & most of the North Sea. The base map has altitude colouring, & shows the network of main roads & locations of larges cities. Latitude & longitude lines are drawn at intervals of 5