Seismology

• International Seismological Centre (ISC)
  
  
• World Data Center for Seismology. USGS National Earthquake Information Center (NEIC)
  
  
• Incorporated Research Institutions for Seismology (IRIS)
  
  
• Observatories and Research Facilities for European Seismology (ORFEUS)
  
  
• European-Mediterranean Seismological Centre (EMSC-CSEM)
  
  
• ORFEUS list of European-Mediterranean Observatories
  
  
• The Global Earthquake Response Center
  
  

Seismic data

• Seismosurfing the Internet for Earthquake Data (Provided by: The Pacific Northwest Seismic Network)
  
  
• ORFEUS list of Broadband Data Centers in the European-Mediterranean area
  
  
• IRIS list of Data Centers that collect and/or distribute broad-band seismic datai in the World
  
  

Universities

• Full list of universities of the network of spanish research (RedIRIS)
  
  
• Xarxa Vives d’universitats
  
  

Software

• ORFEUS Seismological Software Library
  
  
• Seismological Software. ORFEUS Working Group 4
  
  
• IRIS Seismological software and manuals