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Logo of the ANSS. The Advanced National Seismic System (ANSS) is a collaboration of the United States Geological Survey (USGS) and regional, state, and academic partners that collects and analyzes data on significant earthquakes to provide near real-time (generally within 10 to 30 minutes [1]) information to emergency responders and officials, the news media, and the public. [2]
The USGS ANSS (Advanced National Seismic System) Comprehensive Catalog (ComCat) is the authoritative and preferred source for near-realtime information about earthquakes and other seismic events (such as nuclear weapons tests) of magnitude 5.0 or greater anywhere in the world. ANSS is focused on providing accurate and timely information about ...
It struck at a shallow depth of 10 km (6.2 mi) near Labuha, a small port town located in Bacan Island. [2] The earthquake produced a non-destructive 20 cm tsunami, which struck Labuha just minutes after the shaking started. 14 people were killed by the earthquake while 129 people were injured, and more than 50,000 people were displaced.
USGS researchers publish the results of their science in a variety of ways, including peer-reviewed scientific journals as well as in one of a variety of USGS Report Series [36] that include preliminary results, maps, data, and final results. A complete catalog of all USGS publications is available from the USGS Publications Warehouse. [37]
The United States Geological Survey (USGS) estimates that, since 1900, there have been an average of 18 major earthquakes (magnitude 7.0–7.9) and one great earthquake (magnitude 8.0 or greater) per year, and that this average has been relatively stable. [44]
Aftershock of the 7.5 earthquake nine minutes prior. - - 1 [5] Indonesia, West Java, 25 km (16 mi) northeast of Lembang: 4.5 10.0 V Sixty-nine homes destroyed and 416 structures damaged in the Sumedang area. [6] - - 3 [7] Indonesia, West Java offshore, 44 km (27 mi) southwest of Pelabuhanratu: 4.8 99.0 VI
The USGS headquarters in Reston, VA. Today, the United States Geological Survey Library's users have access to over 1.7 million items: over 980,000 books and journals, over 600,000 maps, over 8,000 electronic media items (DVDs, CDs), and subscribes to over 113,000 electronic journal titles and eBooks.
The largest event, a M w 6.4, occurred the next morning, followed by a M w 5.6 event within 10 minutes and a M w 5.0 about 15 minutes after that. The M w 6.4 event had a focal mechanism consistent with normal faulting on a fault trending WSW-ENE. [10] [9] A M w 5.9 event was then logged on January 11 at 12:54 UTC. [27]