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Click on the buttons on the left below to choose from available reference frames, latencies, and sample rates. Original, Cleaned (outlier removed) and detrended (using MIDAS rate) plots are available. See plot explanation page for further explanations on plot contents.
Steps Information for this station |
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|---|---|---|---|---|
| Station ID | Date (YYMMMDD) | Equipment Change Type/ or Event ID | Earthquake Magnitude | Distance (km) |
| POL2 | 99MAY21 | Antenna_Code_Changed | - | - |
| POL2 | 99MAY21 | Receiver_Make_and_Model_Changed | - | - |
| POL2 | 99JUN24 | Antenna_Code_Changed | - | - |
| POL2 | 99JUN24 | Receiver_Make_and_Model_Changed | - | - |
| POL2 | 02MAR05 | Antenna_Code_Changed | - | - |
| POL2 | 02MAR05 | Receiver_Make_and_Model_Changed | - | - |
| POL2 | 09OCT23 | Antenna_Code_Changed | - | - |
| POL2 | 09OCT23 | Elevation_Cutoff_Changed | - | - |
| POL2 | 18AUG07 | Elevation_Cutoff_Changed | - | - |
| POL2 | 18AUG07 | Receiver_Make_and_Model_Changed | - | - |
| POL2 | 02MAR03 | usp000azhc | 7.4 | 775.7 |
| POL2 | 04DEC26 | official20041226005853450_30 | 9.1 | 4860.5 |
| POL2 | 05OCT08 | usp000e12e | 7.6 | 910.3 |
| POL2 | 08OCT05 | usp000gjd4 | 6.7 | 357.4 |
| POL2 | 11MAR11 | official20110311054624120_30 | 9.1 | 5589.1 |
| POL2 | 15OCT26 | us10003re5 | 7.5 | 778.1 |
| POL2 | 15DEC07 | us100044k6 | 7.2 | 522.6 |
| POL2 | 24JAN22 | us7000lsze | 7.0 | 363.6 |
| Distance is from this station to earthquake epicenter in km. A potential step record appears when this distance is less than 10^(M/2 - 0.79) where M is earthquake magnitude. | ||||
| Steps for all stations are given in the master step file database. | ||||
