About SPUD

SPUD Version 3.0

The Searchable Product Depository (SPUD) is the IRIS DMC's primary data product management system. Complementing the DMC's SEED and assembled data archives, which contain time series recordings, the SPUD system primarily contains derivative data products of other types (images, movies, etc.) created either at the DMC or by members of the community.

For users SPUD is the query and access point for these products. The web interfaces allow users to search for products using customized queries across product and event details. Users can search across all product types at once or within specific product types. SPUD also has web service interfaces for programmatic discovery and access to the data products.

If any products from SPUD are used in your research please be sure to cite the identified author of the product and the IRIS DMS [Citation Information].

About Ground Motion Visualization Products

The Ground Motion Visualization (GMV) illustrates how seismic waves travel away from the earthquake location by depicting the recorded wave amplitudes at each seismic station location using colored symbols. For more information on GMVs visit the GMV product page.

Two types of GMVs are produced:

  • Vertical-component GMV:
    Produced for US events of magnitude 5.5 or larger and global events of magnitude 6 or larger. The symbol colors represent the amplitude of the vertical ground motion, as detected by the station's seismometer.
  • 3-Component GMV:
    Produced only for events with magnitude 7 and larger use 'tailed' symbols to show direction and amplitude of the normalized horizontal motion. Symbol colors also represent the amplitude of the vertical ground motion, as detected by the station's seismometer.

This product is automatically generated without human review.

GMV Query Help

The page queries for GMV products.

Citing Ground Motion Visualization Products

If you use GMVs in publications, please cite according to the instructions at:



— Chuck Ammon, Professor of Geosciences at Penn State’s original concept and visualizations. Read more
— Bob Woodward at IRIS - adapted the visualization code to MATLAB

Download request too large

Requested download count exceeds maximum size (200) for this product.

GMV Product Query icon
Your session is about to expire!

Your session will expire in seconds.

Do you wish to continue?

Event Criteria
Depth (km)
Max Lat:
Min Lon: Max Lon:
Min Lat:
Query Results: 2472 items found
ppPage: 1 of 25pp
Event Time (UTC)Depth (km)Trigger MagLatitudeLongitudeRegion
2018-02-16 23:39:4224.67.216.65-97.65OAXACA, MEXICO
2018-02-11 23:14:1410.06.013.81146.41SOUTH OF MARIANA ISLANDS
2018-02-08 11:04:01211.05.652.57-179.45ANDREANOF ISLANDS, ALEUTIAN IS.
2018-02-06 15:50:419.46.424.16121.68TAIWAN
2018-02-04 13:56:417.86.124.10121.66TAIWAN
2018-02-02 11:37:5310.06.0-65.81-175.63PACIFIC-ANTARCTIC RIDGE
2018-01-31 07:07:00191.26.136.5470.82HINDU KUSH REGION, AFGHANISTAN
2018-01-28 16:03:0310.06.6-53.059.65SOUTHWEST OF AFRICA
2018-01-26 22:47:5810.05.9-3.58145.80NEAR N COAST OF NEW GUINEA, PNG.
2018-01-25 16:39:435.15.840.45-126.30OFF COAST OF NORTHERN CALIFORNIA
2018-01-25 02:10:338.86.255.40166.48KOMANDORSKIYE OSTROVA REGION
2018-01-24 10:51:2039.86.241.12142.29HOKKAIDO, JAPAN REGION
2018-01-24 00:04:5312.55.556.58-148.51GULF OF ALASKA
2018-01-23 11:47:0023.95.656.54-149.17GULF OF ALASKA
2018-01-23 09:31:4225.07.956.05-149.07GULF OF ALASKA
2018-01-23 06:34:5443.96.0-7.20105.92JAVA, INDONESIA
2018-01-21 01:06:42110.86.3-18.89-69.62NORTHERN CHILE
2018-01-19 16:17:4410.06.326.63-110.98GULF OF CALIFORNIA
2018-01-14 09:18:4536.27.1-15.78-74.74NEAR COAST OF PERU
2018-01-11 18:26:2410.06.018.4396.09MYANMAR
2018-01-10 02:51:3110.07.617.47-83.52NORTH OF HONDURAS
2018-01-07 02:24:0635.05.755.07165.71KOMANDORSKIYE OSTROVA REGION
2017-12-15 16:47:5691.96.5-7.73108.02JAVA, INDONESIA
2017-12-13 18:03:4315.16.5-54.212.14BOUVET ISLAND REGION
2017-12-12 21:41:3110.06.030.8457.27NORTHERN AND CENTRAL IRAN
2017-12-09 15:14:2410.06.110.09140.21W. CAROLINE ISLANDS, MICRONESIA
2017-12-08 09:51:1020.36.410.01140.13W. CAROLINE ISLANDS, MICRONESIA
2017-12-08 02:09:5910.06.2-30.80-178.65KERMADEC ISLANDS, NEW ZEALAND
2017-12-08 00:22:537.56.510.15140.21W. CAROLINE ISLANDS, MICRONESIA
2017-12-03 11:19:0624.76.0-0.48-80.28NEAR COAST OF ECUADOR
2017-12-01 02:50:0052.76.0-6.14147.60EASTERN NEW GUINEA REG., P.N.G.
2017-12-01 02:32:4610.06.030.7657.33NORTHERN AND CENTRAL IRAN
2017-11-30 06:32:5110.06.7-1.11-23.42CENTRAL MID-ATLANTIC RIDGE
2017-11-27 22:18:3015.75.560.56-147.42SOUTHERN ALASKA
2017-11-27 07:11:1257.86.0-4.62153.21NEW IRELAND REGION, P.N.G.
2017-11-20 18:51:0610.06.0-14.57-175.02SAMOA ISLANDS REGION
2017-11-20 00:09:2310.06.0-21.48168.82LOYALTY ISLANDS
2017-11-19 22:43:2910.07.0-21.33168.64LOYALTY ISLANDS
2017-11-19 15:09:0420.76.6-21.54168.53LOYALTY ISLANDS
2017-11-19 09:25:5025.36.4-21.58168.61LOYALTY ISLANDS
2017-11-17 22:34:1910.06.329.8394.91EASTERN XIZANG-INDIA BORDER REG.
2017-11-13 02:28:2419.86.59.53-84.50COSTA RICA
2017-11-12 18:18:1933.97.234.9345.79IRAN-IRAQ BORDER REGION
2017-11-11 00:36:1510.06.3-11.75-14.10ASCENSION ISLAND REGION
2017-11-09 07:42:1220.36.032.54141.45SOUTHEAST OF HONSHU, JAPAN
2017-11-07 21:26:38107.46.5-4.23143.48NEW GUINEA, PAPUA NEW GUINEA
2017-11-04 09:00:1910.06.8-15.36-173.22TONGA ISLANDS
2017-11-01 05:09:0010.06.0-21.79168.92LOYALTY ISLANDS
2017-11-01 02:23:5610.06.6-21.63168.88LOYALTY ISLANDS
2017-11-01 00:09:3010.06.1-21.72168.93LOYALTY ISLANDS
2017-10-31 11:50:5132.46.3-3.70127.82SERAM, INDONESIA
2017-10-31 00:42:0816.76.8-21.69169.09SOUTHEAST OF LOYALTY ISLANDS
2017-10-28 19:11:0110.06.086.8955.13NORTH OF FRANZ JOSEF LAND
2017-10-24 10:47:47549.26.7-7.24123.04BANDA SEA
2017-10-18 12:00:5910.06.0-20.60-173.90TONGA ISLANDS
2017-10-10 18:53:2810.06.7-54.288.64BOUVET ISLAND REGION
2017-10-10 06:32:2082.46.3-18.52-69.64NORTHERN CHILE
2017-10-08 22:34:33111.86.652.45176.81RAT ISLANDS, ALEUTIAN ISLANDS
2017-10-08 20:48:5810.06.3-61.74154.55BALLENY ISLANDS REGION
2017-10-08 14:04:3810.06.1-19.01-175.56TONGA ISLANDS
2017-10-06 07:59:3310.06.037.49143.95OFF EAST COAST OF HONSHU, JAPAN
2017-09-26 04:20:0098.16.4-23.71-176.94SOUTH OF FIJI ISLANDS
2017-09-25 20:29:245.76.0-6.19152.74NEW BRITAIN REGION, P.N.G.
2017-09-23 12:53:, MEXICO
2017-09-22 19:50:169.15.740.44-126.67OFF COAST OF NORTHERN CALIFORNIA
2017-09-20 20:09:49200.26.4-18.80169.10VANUATU ISLANDS
2017-09-20 16:37:1610.06.137.98144.67OFF EAST COAST OF HONSHU, JAPAN
2017-09-20 01:43:3010.06.1-50.37162.55AUCKLAND ISLANDS, N.Z. REGION
2017-09-19 18:14:3951.07.118.58-98.40CENTRAL MEXICO
2017-09-08 04:49:1735.08.015.03-93.81NEAR COAST OF CHIAPAS, MEXICO
2017-09-07 17:26:49448.26.127.76139.81BONIN ISLANDS, JAPAN REGION
2017-09-04 08:07:3535.06.0-57.79-25.58SOUTH SANDWICH ISLANDS REGION
2017-09-03 03:30:010.06.341.34129.04NORTH KOREA
2017-08-31 17:46:0263.25.458.44-153.64KODIAK ISLAND REGION, ALASKA
2017-08-31 17:06:5749.56.2-1.1299.71SOUTHERN SUMATRA, INDONESIA
2017-08-27 04:17:508.16.4-1.45148.06ADMIRALTY ISLANDS REGION, P.N.G.
2017-08-19 02:00:52538.66.4-17.97-178.85FIJI ISLANDS REGION
2017-08-18 02:59:2210.06.8-1.10-13.66NORTH OF ASCENSION ISLAND
2017-08-13 03:08:1135.96.4-3.79101.60SOUTHERN SUMATRA, INDONESIA
2017-08-11 05:28:25168.26.214.01120.71LUZON, PHILIPPINES
2017-08-08 23:27:5325.96.344.3282.84NORTHERN XINJIANG, CHINA
2017-08-08 13:19:499.06.533.20103.86GANSU, CHINA
2017-07-28 02:39:1610.05.554.33169.28KOMANDORSKIYE OSTROVA REGION
2017-07-20 22:31:1210.06.736.9527.46DODECANESE ISLANDS, GREECE
2017-07-18 02:05:1944.06.4-16.40-73.60NEAR COAST OF PERU
2017-07-17 23:34:1411.77.754.47168.82KOMANDORSKIYE OSTROVA REGION
2017-07-17 11:05: OSTROVA REGION
2017-07-13 03:36:0947.06.4-4.79153.16NEW IRELAND REGION, P.N.G.
2017-07-11 07:00:0110.06.6-49.55164.03AUCKLAND ISLANDS, N.Z. REGION
2017-07-06 08:03:576.56.511.11124.63LEYTE, PHILIPPINES
2017-07-06 06:30:164.35.846.90-112.59MONTANA
2017-06-30 22:29:447.46.0-0.33-80.51NEAR COAST OF ECUADOR
2017-06-29 07:03:10392.36.0-31.10179.95KERMADEC ISLANDS REGION
2017-06-28 18:20:5310.06.0-30.42-177.67KERMADEC ISLANDS, NEW ZEALAND
2017-06-25 17:42:3038.36.2-19.67-176.46FIJI ISLANDS REGION
2017-06-22 12:31:0446.86.813.75-90.95NEAR COAST OF GUATEMALA
2017-06-17 22:26:02518.26.1-24.10179.59SOUTH OF FIJI ISLANDS
2017-06-15 00:26:1734.06.0-30.55-178.07KERMADEC ISLANDS, NEW ZEALAND
2017-06-14 07:29:06111.56.915.02-91.93MEXICO-GUATEMALA BORDER REGION
2017-06-12 12:28:3810.36.338.9326.36AEGEAN SEA
ppPage: 1 of 25pp