IRIS Web Services

IRIS (Incorporated Research Institutions for Seismology) Web Services provide access to seismological data including station metadata, time series data, earthquake events, and data quality metrics. The services follow FDSN (International Federation of Digital Seismograph Networks) web service specifications.

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Base URL: https://service.iris.edu/
Auth: unknown
Endpoints: 12
Reachable: yes
CORS: unknown
Last checked: 2026-03-14 16:09:27.713465

Links

Homepage: https://www.iris.edu
API Base: https://service.iris.edu/

100.0%

Uptime (7d)

973ms

Avg latency (7d)

38

Probes (7d)

Latency (7d)

Success Rate (7d)

Topics

ENVIRONMENT, SCIENCE

Endpoints

Method Path Summary Auth Last Status Latency
GET /fdsnws/availability/1/query Get data availability information none 200 950ms
GET /fdsnws/dataselect/1/query Get raw time series data none 422 1047ms
GET /fdsnws/event/1/query Get earthquake event information — 406 771ms
GET /fdsnws/station/1/query Get station metadata none 200 1399ms
GET /irisws/distaz/1/query Calculate distance and azimuth none 406 704ms
GET /irisws/fedcatalog/1/query Federated catalog query none 406 712ms
GET /irisws/flinnengdahl/2/query Flinn-Engdahl region lookup — 406 702ms
GET /irisws/resp/1/query Get RESP instrument response none 200 910ms
GET /irisws/sacpz/1/query Get SAC Poles and Zeros none 200 723ms
GET /irisws/timeseries/1/query Get time series data none 200 1123ms
GET /irisws/timeseriesplot/1/query Generate time series plot none 406 900ms
GET /irisws/traveltime/1/query Calculate seismic travel times — 200 876ms