It's "very likely" that the construction and filling of the reservoir in 2004 led to the quake, Fan Xiao, chief engineer of the Sichuan Geology and Mineral Bureau in Chengdu, told the newspaper.

成都市四川省地矿局高级工程师范晓（音译）告诉该报记者说，很可能是2004年建造大坝和蓄水造成地震（提前）发生的。

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Fan Xiao, a chief engineer with the Sichuan Geology and Mineral Bureau, said that from late 2004 to late 2005, the data showed 730 minor earthquakes, with magnitudes of 3 or less.

四川省冶金地质勘查局工程师范晓说，从2004年底到2005年底，共监测到轻微地震730次，震级都不超过3级。

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To the modern mineral processing engineer crushing of ores takes place in large jaw or gyratory crushers that can handle thousands of tons per hour.

对现代的矿物加工技术人员来说，破碎是在大型鄂式破碎机及旋回破碎机中进行的，每小时可以处理数千吨矿石。

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Fan Xiao, chief engineer at the Sichuan Bureau of Geology and Mineral Resources, told Global Times on Monday that the huge pressure of large reservoirs built on the fault line may have induced the Ya'an earthquakes and the more powerful Wenchuan earthquake in 2008.

BBC: China media: Quake donations debate