Tectonics and Ancient Civilizations

The Washington Department of Natural Resources (DNR) has released a new study regarding the tsunami impacts that would affect Metro Seattle in the event of an earthquake on the Seattle Fault. The last known earthquake […]

Released: 4/14/2008 12:02:15 PM

California has more than a 99% chance of having a magnitude 6.7 or larger earthquake within the next 30 years, according scientists using a new model to determine the probability of big quakes.

The likelihood of a major quake of magnitude 7.5 or greater in the next 30 years is 46%-and such a quake is most likely to occur in the southern half of the state.

[Editor] At Left: Figure 1. The colors on this California map represent the UCERF probabilities of having a nearby earthquake rupture (within 3 or 4 miles) of magnitude 6.7 or larger in the next 30 years. As shown in the table, the chance of having such an event somewhere in California exceeds 99%. The 30-year probability of an even more powerful quake of magnitude 7.5 or larger is about 46%. [/Editor]

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For the Mw7.1 September 3, 2010 earthquake in Canterbury, New Zealand, various teams of investigators are evaluating the effects and this earthquake on behalf of the Earthquake Engineering Research Institute. This site seems to be […]