ORFEUS is the European Infrastructure for seismic waveform data in EPOS .
ORFEUS services are integrated in the EPOS Data Portal.
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FDSNWS Availability Webservice Implementation
The FDSNWS-Availability service provides access to data availability for requested channels and time windows.
fdsnws/availability/1/query
This service is an implementation of the FDSN web service specification version 1. For a complete service description refer to fdsn.org/webservices.
Making a GET request
Waveform data can be downloaded from ORFEUS EIDA using GET request by contacting the webservice address with specific request options inside the URL query. Webservice requests are generally formatted as follows:
Example! Copy the following URL
This request will return availability data from station NL.HGN between 2017-01-01T00:00:00 and 2017-01-02T00:00:00 from ORFEUS Data Center.
Description of request parameters
The webservice supports the following parameters that can be used to fine-tune your request.
| Option | Example Value | Description | Default | Type |
|---|---|---|---|---|
| Temporal Constraints | ||||
| starttime | 2010-02-27T06:30:00 |
Starttime for time window | ISO-8601 | |
| endtime | 2010-02-27T10:30:00 |
Endtime for time window | ISO-8601 | |
| SEED Identifiers | ||||
| network | NL |
SEED Network code | String | |
| station | HGN |
SEED Station code | String | |
| location | 00 |
SEED Location code (use -- for blank location identifiers) |
String | |
| channel | BHZ |
SEED Channel code | String | |
| Other | ||||
| merge | Merge by (samplerate, quality, overlap) |
Merge | String | |
| orderby | Order by (nslc_time_quality_samplerate, latestupdate, latestupdate_desc, timespancount, timespancount_desc) |
Order by | nslc_time_quality_samplerate |
String |
| limit | 10 | Limit by | Integer | |
| includerestricted | true | Include restricted networks | false | Boolean |
| format | Either of (text, geocsv, request) |
Format of output | text | String |
| nodata | Either of (204, 404) |
HTTP Status Code for empty response | 204 | Integer |
| mergegaps | If set, merge time spans that are separated by the specified tolerance in seconds. | 0.0 | Float | |
| nodata | latestupdate |
If set to latestupdate, the latest times at which data contributing to the returned time spans were loaded into the repository are included in the result. This option applies to all formats except request. | String | |
Wildcards and Lists
A question mark represents a single character, while an asterisk represents zero or more characters. Multiple items may also be retrieved using a comma separated list. SEED identifiers support wildcards and lists.
Time Formats
Times must be specified in the ISO-8601 format (e.g. 2017-01-01T00:00:00 or 2017-01-01) and are assumed to be in UTC.