Science, Maths & Technology
Earthquakes
...write to The Times describing its effects (Figure 8). All UK earthquakes occur at shallow depths; the greatest recorded depth is 42 km. Figure 8 Charles Dickens' letter about the 1863 Hereford earthquake. You will have seen in Activity 2 that most earthquakes are associated with certain features of the Earth's solid surface – mid-ocean ridges, ocean trenches, and some...