NCEDC News/Blog

BREQ_FAST service to be retired

March 11, 2020

The NCEDC offers a number of web services that provide improved functionality formerly served by the BREQ_FAST system.
The NCEDC will shut down the following service on June 30, 2020:

BREQ_FAST: BREQ_FAST provides a batch access to the NCEDC archive by
electronically mailing a specially formatted file to the NCEDC.
Similar capabilities are available for:
Response: by the NCEDC RESP Web Service (
by the FDSN Station Web Service ( Waveform: by the FDSN DataSelect Web Service (

The FDSN-compatible and NCEDC web services are available at:

Please contact the NCEDC at if you have any questions.

NCEDC archive unavailable: Tue Mar 10 noon-1pm PDT

March 9, 2020

The NCEDC data archive will be unavailable this coming Tuesday (tomorrow) from 12:00pm-1:00pm PDT for scheduled maintenance. Please plan accordingly for this interruption in service.

Dataselect and Eventdata Web Services Unavailable During Scheduled Maintenance July 15-16

July 12, 2019

Dataselect and eventdata web services will be unavailable during scheduled maintenance July 15th-16th. We expect the outage to last from 10PM (PDT) July 15th to 10 AM (PDT) July 16th.