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About 30 million years ago when the pacific plate first hit the north American plate

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13y ago

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How often do large earthquakes happen along the San Andreas?

Large earthquakes are relatively infrequent along the San Andreas Fault. They occur on average every 100-200 years, although the frequency can vary depending on the specific segment of the fault. The last major earthquake on the southern portion of the fault was the 1857 Fort Tejon earthquake.


How should you use cataclysmic in a sentence?

When the San Andreas Fault does generate an earthquake over 7.5, the results will be cataclysmic.


What year and date did the San Andreas Fault form?

The last large quake on the San Andreas was the 1989 Loma Prieta earthquake, magnitude 6.9.


When did the christchurch fault line last move?

The Christchurch fault line last experienced a significant movement during the 2011 earthquake in New Zealand, which caused widespread damage in the area. Since then, there have been smaller aftershocks, but no major movements have been reported recently.


When was the last major earthquake in Christchurch?

Couple of months ago


Which country suffered a major earthquake last January?

Haiti


Which coutry suffered a major earthquake last January?

Haiti.


When did the port hills fault last move?

The Port Hills fault in New Zealand last significantly moved during the 2016 Kaikoura earthquake, which caused widespread damage in the region. This fault has been relatively inactive since then.


Why do the chances of an earthquake increase rather than decrease as time passes since the last earthquake?

stress builds up on a fault line over time and then releases all of the stress in an earthquake.


When was Californias last major occurrence?

The most recent significant California earthquake was the 1994 Northridge earthquake, magnitude 6.7, which killed around 60 people. The last earthquake above magnitude 7 in California was the 1999 Hector Mine earthquake, magnitude 7.1. There were no deaths due to it occurring in the middle of the Mojave desert.


When was the last major earthquake in Utah?

If you are calling a major earthquake anything near a 5 on the magnitude scale, there was a 4.9 on April 15, 2010 in Randolph, UT.


What country suffered a major earthquake last January?

Haiti and it was in February I think.