Add ncedc/2021

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ncedc/2021/manifest.json

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+{
+ "region": "NC",
+ "year": 2021,
+ "rule": "analyst-ps-v2-scedc-stride3",
+ "rows": 54807,
+ "events": 15209,
+ "shards": 11,
+ "bytes": 5788466097,
+ "source_days": 365,
+ "columns": [
+  "event_id",
+  "event_time",
+  "event_latitude",
+  "event_longitude",
+  "event_depth_km",
+  "event_magnitude",
+  "event_magnitude_type",
+  "event_time_index",
+  "event_type",
+  "event_magnitude_code",
+  "event_evaluation_mode",
+  "event_azimuthal_gap",
+  "event_used_phase_count",
+  "event_associated_station_count",
+  "event_rms_residual_sec",
+  "event_horizontal_uncertainty_m",
+  "event_depth_uncertainty_m",
+  "network",
+  "station",
+  "location",
+  "instrument",
+  "station_latitude",
+  "station_longitude",
+  "station_elevation_m",
+  "station_depth_km",
+  "local_depth_m",
+  "waveform",
+  "component",
+  "z_sign",
+  "z_sign_source",
+  "raw_sampling_rate",
+  "unit",
+  "snr",
+  "coverage",
+  "begin_time",
+  "end_time",
+  "source",
+  "p_phase_time",
+  "p_phase_index",
+  "p_phase_score",
+  "p_phase_polarity",
+  "p_phase_remark",
+  "p_phase_evaluation_mode",
+  "p_time_residual",
+  "p_location_weight",
+  "s_phase_time",
+  "s_phase_index",
+  "s_phase_score",
+  "s_phase_remark",
+  "s_phase_evaluation_mode",
+  "s_time_residual",
+  "s_location_weight",
+  "azimuth",
+  "back_azimuth",
+  "takeoff_angle",
+  "distance_km",
+  "strike",
+  "dip",
+  "rake",
+  "num_first_motions",
+  "first_motion_misfit",
+  "num_sp_ratios",
+  "sp_ratio_misfit",
+  "plane1_uncertainty",
+  "plane2_uncertainty",
+  "strike_uncertainty",
+  "dip_uncertainty",
+  "rake_uncertainty",
+  "fm_quality"
+ ],
+ "dropped_columns": [
+  "duplicate_of",
+  "s_phase_polarity"
+ ],
+ "build_time": "2026-09-09T17:36:07.887363+00:00",
+ "script_commit": ""
+}