addedOutput schema / properties / detail
Added value: +{
+ "additionalProperties": false,
+ "description": "Analysis products USGS attached to this event. Absent when the event carries none — that means no product was produced, not that impact was zero.",
+ "properties": {
+ "dyfi": {
+ "additionalProperties": false,
+ "description": "Felt-report summary. Absent when no DYFI product exists for the event.",
+ "properties": {
+ "map_url": {
+ "description": "URL of the rendered DYFI intensity map image.",
+ "type": "string"
+ },
+ "max_cdi": {
+ "description": "Maximum Community Decimal Intensity derived from those reports (0–12 scale).",
+ "type": "number"
+ },
+ "responses": {
+ "description": "Number of \"Did You Feel It?\" reports the public submitted.",
+ "type": "number"
+ }
+ },
+ "type": "object"
+ },
+ "finite_fault": {
+ "additionalProperties": false,
+ "description": "Finite-fault rupture model. Produced only for large events.",
+ "properties": {
+ "model_url": {
+ "description": "URL of the finite-fault rupture model file.",
+ "type": "string"
+ },
+ "rupture_length_km": {
+ "description": "Modeled rupture length along strike, in kilometers.",
+ "type": "number"
+ },
+ "rupture_width_km": {
+ "description": "Modeled rupture width down dip, in kilometers.",
+ "type": "number"
+ }
+ },
+ "type": "object"
+ },
+ "ground_failure": {
+ "additionalProperties": false,
+ "description": "Secondary-hazard alert levels. Absent when no ground-failure model was run.",
+ "properties": {
+ "landslide_alert": {
+ "description": "Landslide hazard alert level — \"green\", \"yellow\", \"orange\", or \"red\".",
+ "type": "string"
+ },
+ "liquefaction_alert": {
+ "description": "Liquefaction hazard alert level — \"green\", \"yellow\", \"orange\", or \"red\".",
+ "type": "string"
+ }
+ },
+ "type": "object"
+ },
+ "losspager": {
+ "additionalProperties": false,
+ "description": "PAGER impact assessment. Estimated fatality and economic-loss brackets live in a separate content file and are not part of this response — fetch report_url for them.",
+ "properties": {
+ "alert_level": {
+ "description": "PAGER impact alert level — \"green\", \"yellow\", \"orange\", or \"red\".",
+ "type": "string"
+ },
+ "report_url": {
+ "description": "URL of the PAGER one-page PDF summary of estimated impact.",
+ "type": "string"
+ }
+ },
+ "type": "object"
+ },
+ "moment_tensor": {
+ "additionalProperties": false,
+ "description": "Focal-mechanism solution. Absent for events with no moment-tensor inversion.",
+ "properties": {
+ "derived_depth_km": {
+ "description": "Centroid depth in kilometers derived from the moment-tensor inversion.",
+ "type": "number"
+ },
+ "nodal_plane_1": {
+ "additionalProperties": false,
+ "description": "First nodal plane of the focal mechanism. Either plane can be the true fault.",
+ "properties": {
+ "dip": {
+ "description": "Fault plane dip in degrees from horizontal (0–90).",
+ "type": "number"
+ },
+ "rake": {
+ "description": "Slip direction in degrees (-180 to 180). Near 90 is reverse faulting, near -90 normal, near 0 or 180 strike-slip.",
+ "type": "number"
+ },
+ "strike": {
+ "description": "Fault plane strike in degrees clockwise from north (0–360).",
+ "type": "number"
+ }
+ },
+ "required": [
+ "strike",
+ "dip",
+ "rake"
+ ],
+ "type": "object"
+ },
+ "nodal_plane_2": {
+ "additionalProperties": false,
+ "description": "Second nodal plane — the auxiliary solution, indistinguishable from the first on seismic data alone.",
+ "properties": {
+ "dip": {
+ "description": "Fault plane dip in degrees from horizontal (0–90).",
+ "type": "number"
+ },
+ "rake": {
+ "description": "Slip direction in degrees (-180 to 180). Near 90 is reverse faulting, near -90 normal, near 0 or 180 strike-slip.",
+ "type": "number"
+ },
+ "strike": {
+ "description": "Fault plane strike in degrees clockwise from north (0–360).",
+ "type": "number"
+ }
+ },
+ "required": [
+ "strike",
+ "dip",
+ "rake"
+ ],
+ "type": "object"
+ },
+ "scalar_moment_nm": {
+ "description": "Scalar seismic moment in newton-metres — the physical size of the rupture.",
+ "type": "number"
+ }
+ },
+ "type": "object"
+ },
+ "origin": {
+ "additionalProperties": false,
+ "description": "Location-quality metrics for the preferred origin.",
+ "properties": {
+ "azimuthal_gap_deg": {
+ "description": "Largest azimuthal gap between stations, in degrees. Gaps above ~180 make the location poorly constrained.",
+ "type": "number"
+ },
+ "depth_error_km": {
+ "description": "Depth uncertainty in kilometers.",
+ "type": "number"
+ },
+ "horizontal_error_km": {
+ "description": "Horizontal location uncertainty in kilometers.",
+ "type": "number"
+ },
+ "num_stations_used": {
+ "description": "Number of seismic stations used in the location solution.",
+ "type": "number"
+ },
+ "review_status": {
+ "description": "Review state of the origin solution as the contributing network published it.",
+ "type": "string"
+ }
+ },
+ "type": "object"
+ },
+ "shakemap": {
+ "additionalProperties": false,
+ "description": "ShakeMap modeled ground-motion summary. Absent when no ShakeMap was produced.",
+ "properties": {
+ "intensity_map_url": {
+ "description": "URL of the rendered ShakeMap intensity map image.",
+ "type": "string"
+ },
+ "max_mmi": {
+ "description": "Maximum modeled shaking intensity across the ShakeMap grid (Modified Mercalli).",
+ "type": "number"
+ },
+ "max_pga": {
+ "description": "Maximum modeled peak ground acceleration, in percent of g.",
+ "type": "number"
+ },
+ "max_pgv": {
+ "description": "Maximum modeled peak ground velocity, in cm/s.",
+ "type": "number"
+ }
+ },
+ "type": "object"
+ }
+ },
+ "type": "object"
+}