Show me the data
The NCEDC supports several different tools for accessing data. When you use data from the NCEDC, please provide a proper acknowledgement of the data source.
This document describes the data collection by access tool. Other documents describe the data by contributing network and by type. Or see the summary of products for an overview of the entire holdings.
- Earthquake catalogs
- Online catalog searches
- Earthquake catalogs for Northern California produced by the USGS and the Berkeley Seismological Lab may be searched using a Web interface. A global earthquake catalog produced from contributions from ANSS participants is also available.
- Text files
Several catalogs at the NCEDC are only available as flat files
- The Townley-Allen catalog is available only by FTP:
- Waveform data
- DART (Real-Time Data)
DART (Data Available in Real Time)
is a buffer of real-time telemetry MiniSEED data
that is accessible directly from the web or through data retrieval tools which will
be available in near future.
- SEED format data
Data from the BP (2001-present), BK, NC, NN, PB, SF, and UL networks are available
in SEED format
Several tools provide access to SEED format data at the
NCEDC, both in terms of querying the archives and
allowing data requests.
- Querying the archives
- Access data through NCEDC web services
- Requesting data by channel and time
- Requesting data by event
Help on using these tools is available.
- Non-SEED format data
Data from the UG and older BP data are not currently available in SEED format.
Other non-SEED data may be accessed through a
Raw data from the PBO strainmeters in the bottle (borehole strain meters or bsm) and ice9 (laser strainmeters or lsm) are available via the file system for your perusal.
- Global Positioning System (GPS)
Continuous GPS data from the BARD network and from the USGS, as well as USGS survey data are available via anonymous FTP.
- Continuous GPS
- Coming soon!
- Magnetic Activity and Shumann Resonance
- Interferometric Synthetic Aperature Radar (InSAR)