Level 1 Data Search

The China Seismological Reference Model Product Center appreciates the China Earthquake Networks Center (CENC) for providing seismic waveform data, and the Network Information Center, and Supercomputing Center of the University of Science and Technology of China for their assistance in establishing the data search system.

Searching and downloading Level 1 data can be finished on this page. Please read the following notices first:

• Level 1 data are original seismic waveform data. Browsing and downloading would be available after login.

• The system would record your download history.

• Please click and view the Creating Account Procedures to register.

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Search by earthquakes:

• When entering the date and time, please enter the 14-digit UTC date and time in YYYYMMDDHHMMSS format. For example, “2017-03-30 15:24:16” please enter 20170330152416.
• Except for the date and time in the search criteria, leaving other items blank means no restriction on them.
• The database contains data with a magnitude of 5.5 or more worldwide from 2012 to 2017. Each earthquake provides the records of the national and provincial stations of China within 6000 seconds after the original time of the earthquake. You can click to view the distribution of stations and earthquakes.

start time of the origin time：
end time of the origin time：

<= event longitude <=

<= event latitude <=

<= event depth (km) <=

<= Magnitude (Mw) <=