🌐EnglishEnglishBahasa IndonesiaFrançaisPortuguêsTürkçeالعربيةفارسی한국어中文日本語EntityQ48817455· pop 9· linked from 1,167 articlesAdvanced National Seismic Systemcollaboration of the U.S. Geological Survey (USGS) and regional, state, and academic partnersConnectionsfocal mechanismEntityInternational Standard Book NumberEntityCategoriesEarthquakesSeismic networksSeismological observatories, organisations and projectsSeismologySeismology measurementUnited States Geological Survey