2003•Northwestern Seismological JournalRequires access

VARIATION OF GRAVITY FIELD IN NORTHERN CHINA IN 1997～2001 AND WEST TO KUNLUN MOUNTAIN PASS M_S8.1 EARTHQUAKE

Qing Li

Abstract

Significantly anomalous variation of gravity field in Northern China occurred before M8.1 earthquake at west to Kunlun Mountain Pass.It may shows that obvious precursors(fieldprecursor)could take place in broad extent before a strong earthquake.In present time the anomalous variation of gravity field still exists in Northern China region,may imply the next M7～8 earthquake in western China.

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Key concepts: Mountain pass, China, Geology, Variation (astronomy), Seismology, Field (mathematics), Gravitational field, Physical geography