Oklahoma Geological Survey annotated 24 hour low frequency seismograms for 2002 APR.

The most recent seismogram appears at the top. The page can be scrolled downward through the rest of the month.

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OGS seismogram 20020430

OGS seismogram 20020429

OGS seismogram 20020428

OGS seismogram 20020427

OGS seismogram 20020426

OGS seismogram 20020425

OGS seismogram 20020424

OGS seismogram 20020423

OGS seismogram 20020422

OGS seismogram 20020421

OGS seismogram 20020420

OGS seismogram 20020419

OGS seismogram 20020418

OGS seismogram 20020417

OGS seismogram 20020416

OGS seismogram 20020415

OGS seismogram 20020414

OGS seismogram 20020413

OGS seismogram 20020412

OGS seismogram 20020411

OGS seismogram 20020410

OGS seismogram 20020409

OGS seismogram 20020408

OGS seismogram 20020407

OGS seismogram 20020406

OGS seismogram 20020405

OGS seismogram 20020404

OGS seismogram 20020403

OGS seismogram 20020402

OGS seismogram 20020401

Seismogram Index For Year 2000

Seismogram Index For Year 2001

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