Hot on the heels of the mysterious tidal surge or mini-tsunami that affected much of the South West of England back in late June is a magnitude 3.9 earthquake in the English Channel. The British Geological Society (BGS) has released the following details. Whether or not the piezoelectric effect noted on the 27 June was related to a geological phenomena or to a meteorological phenomena such as a seiche. A seiche is a freak wave caused by an area of very high or low pressure crossing an area of water. As my illustration posted illustrates the tidal change was greatest in the Portsmouth area which was directly north west of the epicentre site. Could this be a link or was it just a meteostunami?
The BGS have an interesting follow-up on this which has researched records from France. There is a typically geographical pattern that emerges with the wave affecting a large area of the English Channel. There is a west to east pattern that emerges. Details of the BGS research may be viewed on this link. This is an excellent example where spatial-temporal modelling may help to give clues to this widespread event, where details are just emerging.