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

This 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

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Event Criteria
Depth (km)
Max Lat:
Min Lon: Max Lon:
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Query Results: 2589 items found
ppPage: 1 of 26pp
Event Time (UTC)Depth (km)Trigger MagLatitudeLongitudeRegion
2018-12-11 02:26:32164.77.1-58.60-26.47SOUTH SANDWICH ISLANDS REGION
2018-12-05 06:43:0410.06.6-22.05169.67SOUTHEAST OF LOYALTY ISLANDS
2018-12-05 04:18:0810.07.5-21.97169.45SOUTHEAST OF LOYALTY ISLANDS
2018-12-05 04:14:3610.06.0-21.98169.32SOUTHEAST OF LOYALTY ISLANDS
2018-12-01 13:27:21140.66.3-7.40128.71BANDA SEA
2018-11-30 17:35:3739.85.761.26-149.92SOUTHERN ALASKA
2018-11-30 17:29:2840.97.061.34-149.94SOUTHERN ALASKA
2018-11-25 16:37:3110.06.334.3045.74IRAN-IRAQ BORDER REGION
2018-11-25 03:40:5110.06.013.16-81.16CARIBBEAN SEA
2018-11-21 18:21:43145.55.759.97-153.31SOUTHERN ALASKA
2018-11-18 20:25:45533.66.7-17.90-178.90FIJI ISLANDS REGION
2018-11-16 03:26:5510.66.2-10.53163.13SOLOMON ISLANDS
2018-11-15 23:09:0110.06.2-56.22-122.05SOUTHERN EAST PACIFIC RISE
2018-11-15 20:02:2210.06.4-56.79-25.39SOUTH SANDWICH ISLANDS REGION
2018-11-14 21:21:5158.76.055.58162.04NEAR EAST COAST OF KAMCHATKA
2018-11-11 14:03:597.36.315.56-49.87NORTH ATLANTIC OCEAN
2018-11-10 08:33:1610.06.2-20.53-173.82TONGA ISLANDS
2018-11-09 01:49:4010.06.871.62-11.24JAN MAYEN ISLAND REGION
2018-11-04 07:55:29598.16.07.80123.87MINDANAO, PHILIPPINES
2018-11-01 22:19:5295.06.2-19.66-69.53NORTHERN CHILE
2018-10-30 02:13:39227.36.1-39.05174.98NORTH ISLAND, NEW ZEALAND
2018-10-29 06:54:2110.06.3-57.40-66.41DRAKE PASSAGE
2018-10-28 22:23:5424.76.112.95-90.39OFF COAST OF CENTRAL AMERICA
2018-10-27 16:57:3530.95.565.18-151.30NORTHERN ALASKA
2018-10-25 22:54:5114.06.837.5120.56IONIAN SEA
2018-10-22 06:22:4810.06.549.31-129.67VANCOUVER ISLAND, CANADA REGION
2018-10-22 06:16:2810.06.849.35-129.21VANCOUVER ISLAND, CANADA REGION
2018-10-22 05:39:4011.06.649.25-129.48VANCOUVER ISLAND, CANADA REGION
2018-10-16 01:03:4310.06.4-21.73169.49SOUTHEAST OF LOYALTY ISLANDS
2018-10-16 00:28:1210.06.3-21.94169.48SOUTHEAST OF LOYALTY ISLANDS
2018-10-13 11:10:23470.16.752.86153.38NORTHWEST OF KURIL ISLANDS
2018-10-10 23:16:0217.56.349.32156.20KURIL ISLANDS
2018-10-10 22:00:35124.36.2-4.96151.67NEW BRITAIN REGION, P.N.G.
2018-10-10 20:48:2040.37.0-5.68151.20NEW BRITAIN REGION, P.N.G.
2018-10-10 18:44:5510.36.0-7.45114.45BALI SEA
2018-10-09 07:45:1442.06.049.43156.17KURIL ISLANDS
2018-10-02 00:16:4310.06.0-10.46120.17SUMBA REGION, INDONESIA
2018-09-30 10:52:23551.26.6-18.37-178.10FIJI ISLANDS REGION
2018-09-28 10:02:4310.07.5-0.18119.84MINAHASSA PENINSULA, SULAWESI
2018-09-28 07:00:0118.16.1-0.40119.76MINAHASSA PENINSULA, SULAWESI
2018-09-23 05:52:1110.06.412.21146.21SOUTH OF MARIANA ISLANDS
2018-09-16 21:11:48570.06.5-25.45178.22SOUTH OF FIJI ISLANDS
2018-09-10 19:31:3710.06.1-22.06170.09SOUTHEAST OF LOYALTY ISLANDS
2018-09-10 04:19:02111.06.9-31.84-179.33KERMADEC ISLANDS REGION
2018-09-09 19:31:3464.56.5-10.01161.53SOLOMON ISLANDS
2018-09-08 07:16:4910.06.17.24126.46MINDANAO, PHILIPPINES
2018-09-07 02:12:0493.56.2-2.35-78.89ECUADOR
2018-09-06 15:49:14608.67.8-18.49179.33FIJI ISLANDS
2018-09-05 18:07:5831.06.642.71141.93HOKKAIDO, JAPAN REGION
2018-08-29 03:51:5626.77.1-22.07170.05SOUTHEAST OF LOYALTY ISLANDS
2018-08-28 22:35:1359.96.416.76146.87MARIANA ISLANDS
2018-08-28 07:08:098.66.2-10.86124.17TIMOR REGION
2018-08-25 22:13:2610.06.034.6646.28WESTERN IRAN
2018-08-25 16:50:0435.15.552.29-171.19FOX ISLANDS, ALEUTIAN ISLANDS
2018-08-24 09:04:06609.57.1-11.04-70.82PERU-BRAZIL BORDER REGION
2018-08-23 03:35:1543.96.051.51-177.88ANDREANOF ISLANDS, ALEUTIAN IS.
2018-08-22 09:31:4710.06.243.65-127.60OFF COAST OF OREGON
2018-08-21 22:32:2713.46.5-16.02168.15VANUATU ISLANDS
2018-08-21 21:31:42123.27.310.74-62.91NEAR COAST OF VENEZUELA
2018-08-19 14:56:2720.36.9-8.35116.63SUMBAWA REGION, INDONESIA
2018-08-19 04:28:59422.86.8-16.95-178.02FIJI ISLANDS REGION
2018-08-19 04:10:217.96.3-8.32116.58SUMBAWA REGION, INDONESIA
2018-08-19 00:23:02561.16.3-18.40-178.00FIJI ISLANDS REGION
2018-08-19 00:19:37563.48.2-18.18-178.11FIJI ISLANDS REGION
2018-08-17 23:22:2519.16.08.77-83.14COSTA RICA
2018-08-17 15:35:02538.76.5-7.41119.82FLORES SEA
2018-08-16 18:22:5211.56.423.44143.34VOLCANO ISLANDS, JAPAN REGION
2018-08-16 18:21: ISLANDS, JAPAN REGION
2018-08-15 21:56:5631.66.651.51-178.08ANDREANOF ISLANDS, ALEUTIAN IS.
2018-08-14 03:29:5335.06.1-58.11-25.26SOUTH SANDWICH ISLANDS REGION
2018-08-12 21:15:0211.76.069.55-144.33NORTHERN ALASKA
2018-08-12 14:58:549.96.169.62-145.25NORTHERN ALASKA
2018-08-05 11:46:3410.57.0-8.27116.46SUMBAWA REGION, INDONESIA
2018-07-28 22:47:377.56.4-8.33116.49SUMBAWA REGION, INDONESIA
2018-07-28 17:07:23578.56.0-7.16122.75FLORES SEA
2018-07-24 16:41:100.55.619.41-155.28HAWAII
2018-07-24 14:44:5210.05.641.80-126.86OFF COAST OF NORTHERN CALIFORNIA
2018-07-23 06:53:380.65.519.41-155.29HAWAII
2018-07-19 14:16:2617.16.054.48-160.90ALASKA PENINSULA
2018-07-18 19:06:0328.05.654.40-160.72ALASKA PENINSULA
2018-07-15 13:09:1610.06.013.8251.65EASTERN GULF OF ADEN
2018-07-13 09:46:49169.26.4-18.93169.02VANUATU ISLANDS
2018-07-06 01:40:0879.86.151.61157.85NEAR EAST COAST OF KAMCHATKA
2018-06-30 03:56:5224.86.019.07-105.09NEAR COAST OF JALISCO, MEXICO
2018-06-21 21:13:3221.86.1-17.82168.02VANUATU ISLANDS
2018-06-05 14:32:271.45.519.40-155.29HAWAII
2018-05-18 01:45:3110.66.2-34.55-178.42SOUTH OF KERMADEC ISLANDS
2018-05-09 10:41:45111.96.236.9971.37AFGHANISTAN-TAJIKISTAN BORD REG.
2018-05-09 07:57:5510.06.0-5.89151.80NEW BRITAIN REGION, P.N.G.
2018-05-08 08:14:1210.05.556.36-148.46GULF OF ALASKA
2018-05-05 06:19:0417.96.114.50123.93LUZON, PHILIPPINES
2018-05-04 22:32:555.06.919.37-155.03HAWAII
2018-05-02 06:32:5223.56.0-24.10-111.72EASTER ISLAND REGION
2018-04-10 10:19:3476.16.2-30.99-71.56NEAR COAST OF CENTRAL CHILE
2018-04-07 05:48:3810.06.3-5.84142.49NEW GUINEA, PAPUA NEW GUINEA
2018-04-05 19:29:1616.85.433.84-119.72SOUTHERN CALIFORNIA
2018-04-02 13:40:34557.26.8-20.64-63.01SOUTHERN BOLIVIA
2018-04-02 05:57:3183.56.1-24.90-176.61SOUTH OF FIJI ISLANDS
2018-03-29 21:25:3635.06.9-5.47151.44NEW BRITAIN REGION, P.N.G.
2018-03-26 09:51:0040.06.6-5.46151.40NEW BRITAIN REGION, P.N.G.
ppPage: 1 of 26pp