FDSN Archive for Continuous Data at the IRIS

FDSN Archive for Continuous Data at the IRIS DMC By Tim Ahern Program Manager IRIS Data Management System

Delivery of Data from Current FDSN Members 36 Networks in Total 31 Networks in Real Time There were 14 in 2005 3 non-real time Networks 2 non-operational (H 2 and CD) As of 19 Jun 07

FDSN Membership in 2007 66 institutions in 53 countries • • • • • • • Australia Austria Brazil Bulgaria Canada Chile China (CSB & CAS) Columbia (Ingeominas & Osso) Costa Rica Croatia Czech Republic Denmark Ecuador Egypt European Union (ORFEUS) Finland (Helsinki & Sodankyla) France (Geoscope & Re. Na. SS) Georgia Germany (GEOFON & GRSN) Greece (NOA, Thessaloniki) Hungary Iceland Indonesia Iran Israel Italy (ING-V & OGS) Red indicates countries that have contributed to the FDSN Archive Yellow indicates countries pending FDSN membership approval • • Jamaica Japan (ERI & NEID) • Kazakhstan • • • • • • Macedonia Malaysia Mexico Netherlands New Zealand Nicaragua Norway Poland Portugal (CGUL & IST) Romania Russia Slovakia Slovenia South Africa Spain Sweden Switzerland Taiwan Tajikistan Thailand United Arab Emirates United Kingdom USA (IRIS, NCSN, PRSN, SCSN & USGS) PRSN, USGS) Uzbekistan

FDSN Archive (non-US)

The IRIS Archive 61 tbytes growing at 12 tbytes per year

Nearing 300, 000 shipments per year

100, 000 shipments going outside US shipments to 68 countries

Shipments by Country

Shipments by Network Code

Gigabytes Shipped by Network Code (CI, GE, IC, II, IU, MN, TA, US, UU, UW and Temporary nets > 1 terabyte)

16 terabytes shipped in 2006 >20 terabytes projected in 2007