Ans: Earthquakes occur on faults - strike-slip earthquakes occur on strike-slip faults, normal earthquakes occur on normal faults, and thrust earthquakes occur on thrust or reverse faults. When an earthquake occurs on one of these faults, the rock on one side of the fault slips with respect to the other.
September Weather in Vancouver is mild and comfortable.: Allan Fotheringham once called Vancouver the Canadian city with the best climate and the worst weather. September has the potential to show visitors great Vancouver weather -- mild and clear; however, dull and grey is another possibility. 1  Average September temperature: 14.4ÂºC / 58ÂºF. 2  September average high: 18.3ÂºC / 65ÂºF. 3  September average low: 10ÂºC / 50ÂºF. 4  September is not so rainy in a city famous for its rain.
Anytime in July, August or September will usually have decent weather. July was wet this year, but is not usually. August and September were great and well into October too. Having said that, weather is changeable here, particular into the fall, later in September. The following link can be opened to see the weather data for Vancouver for Sept 2012.