Homework: Due Tuesday 27th September Go to the USGS latest earthquake page Select 1 Day, All magnitudes worldwide. Download data into a .csv file Using the Excel spread sheet, work out the median and interquartile range.

Word Bingo! Select four of the words above. Intensity Hypocentre Epicentre Magnitude Richter Scale Soil Liquefaction Tsunami Landslide Paleomagnetism Primary Waves Secondary Waves Love Waves Select four of the words above. Definitions will be read out – if one of your words is defined, you need to cross it out. Shout bingo when all four of your words have been crossed out!

Annotate your maps of Mount St. Helens to show: The types of impacts volcanic eruptions create What they are The reach of these impacts (use the scale in the bottom right to help you) You should include pyroclastic flows, tephra, lava flows and volcanic gases

Recap: what do we mean by secondary impacts? Lahars Recap: what do we mean by secondary impacts? As we read about each, add notes either to your maps, or to your own notes. Jokulhlaups Lahars and Jokulhlaups are secondary impacts commonly associated with volcanic eruptions

How do physical processes explain the cause of volcanic hazards? Learning Objective: To understand the primary and secondary hazards caused by volcanic eruptions How significant are the impacts of earthquakes compared to the impacts of volcanic eruptions? Your answer should consider magnitude and scale of impacts, as well as any other factors you think are important.