Term
| What is one of the leading research centers for earthquakes? |
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Definition
| California institute of technology |
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Term
| why couldn't data from local seismographs initially be used to locate the epicenter? |
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Definition
| the machines were overwhelmed by the power of the quake |
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Term
| when do we know for sure that earthquakes will occur? |
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Definition
| immediately after big event/aftershock quakes |
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Term
| what caused the dust storms in the mountains? |
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Definition
|
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Term
| what are the 2 reactions that scientists have to earthquakes? |
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Definition
| fascination and devastation |
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Term
| what kind of fault was responsible for the Northridge earthquake? |
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Definition
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Term
| why didn't the Northridge earthquake rupture the ground surface? |
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Definition
| it was so deep it did not peak the surface of the epicenter, it stopped 5 mi below |
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Term
| How far from downtown los angeles is the san Andreas fault? |
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Definition
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Term
| what is the direct link between the san andreas fault and the faults beneath los angeles? |
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Definition
| the san andreas bends in southern cali causing thrust faulting. |
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Term
| what causes thrust faulting? |
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Definition
| collision and compression of plates |
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Term
| What is the relationship between mountains and earthquakes in Cali? |
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Definition
| ground forced up due to the collision/compression of faults |
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Term
| How much higher were the nearby mountains after the northridge earthquake? |
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Definition
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Term
| What was the significance of the 1983 Coalinga Earthquake? |
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Definition
| blind thrust faults caused major damage in cali |
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Term
| why had the oil industry been mapping blind thrust faults beneath los angeles for decades? |
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Definition
| petroleum was trapped within the folds caused by faults |
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Term
| what fault is the greatest danger to the city of LA? |
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Definition
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Term
| what was the significance of the 1987 whittier narrows quake? |
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Definition
| showed that blind thrust faults are in LA as well |
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Term
| how many active faults lie beneath the city of LA? |
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Definition
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Term
| What was the first earthquake in this swarm? |
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Definition
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Term
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Definition
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Term
| how can earthquakes trigger other ones? |
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Definition
| stress transferring to near by faults |
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Term
| where was stress transferred to after the north ridge quake? |
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Definition
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Term
| How is LA similar to a # of other major cities? |
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Definition
| problems with the skyscrapers falling |
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