来自MSN10 个月
Do we still use the Richter Scale to measure earthquakes?
In fact, the Richter scale was replaced in the 1970s by other ... scale used relatively high-frequency data from nearby seismograph stations, according to the USGS, but as more stations were ...
Millions of UK tourists warned over 'six' parts of Spain, Portugal, Morocco
An earthquake measuring 4.9 on the Richter scale (0 to 10) with its epicentre in the area around the Moroccan town of Ksar el ...