Api Endpoint

Earthquake Intelligence

Significant earthquakes — search USGS seismic events above an explicit significance-score threshold, with magnitude and provenance but no danger or probability claim.

Open interactive test console

Offering

Provider
earthquakes.use.x402atlas.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Weather And Environment
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://earthquakes.use.x402atlas.com/significant
MIME type
application/json
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
significant-earthquakes, seismic, magnitude, usgs, geospatial

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.005 USDC
Atomic price: 5000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.005 USDC
Atomic price: 5000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Payment option 4
0.005 USDC
Atomic price: 5000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "5000",
    "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "5000",
    "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "5000",
    "payTo": "3nXsChcZGke6xebDPmndNMCt8L3yi6xyN4Pd6q5cQrgv"
  }
]

Observed health

Status
Healthy
Latest latency
14 ms
Average latency
136 ms
HTTP status
402
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "method": {
      "enum": [
        "GET"
      ],
      "type": "string"
    },
    "queryParams": {
      "additionalProperties": false,
      "properties": {
        "days": {
          "default": 30,
          "description": "Rolling UTC window in days",
          "maximum": 365,
          "minimum": 1,
          "type": "integer"
        },
        "limit": {
          "default": 50,
          "description": "Maximum normalized events returned",
          "maximum": 200,
          "minimum": 1,
          "type": "integer"
        },
        "min_significance": {
          "default": 600,
          "description": "Minimum USGS significance score; not a probability or danger rating",
          "maximum": 2000,
          "minimum": 0,
          "type": "integer"
        }
      },
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "days": {
              "default": 30,
              "description": "Rolling UTC window in days",
              "maximum": 365,
              "minimum": 1,
              "type": "integer"
            },
            "limit": {
              "default": 50,
              "description": "Maximum normalized events returned",
              "maximum": 200,
              "minimum": 1,
              "type": "integer"
            },
            "min_significance": {
              "default": 600,
              "description": "Minimum USGS significance score; not a probability or danger rating",
              "maximum": 2000,
              "minimum": 0,
              "type": "integer"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": false,
          "properties": {
            "_atlas": {
              "additionalProperties": false,
              "description": "Atlas documentation and related-route metadata added after deployment",
              "properties": {
                "docs": {
                  "description": "Documentation URL for this bridge",
                  "format": "uri",
                  "maxLength": 512,
                  "type": "string"
                },
                "related": {
                  "description": "Bounded related Atlas routes",
                  "items": {
                    "additionalProperties": false,
                    "description": "One related Atlas route",
                    "properties": {
                      "bridge": {
                        "description": "Related bridge name",
                        "maxLength": 64,
                        "type": "string"
                      },
                      "docs": {
                        "description": "Related bridge documentation URL",
                        "format": "uri",
                        "maxLength": 512,
                        "type": "string"
                      },
                      "summary": {
                        "description": "Short capability summary",
                        "maxLength": 256,
                        "type": "string"
                      },
                      "url": {
                        "description": "Related route URL",
                        "format": "uri",
                        "maxLength": 512,
                        "type": "string"
                      }
                    },
                    "required": [
                      "bridge",
                      "url",
                      "docs",
                      "summary"
                    ],
                    "type": "object"
                  },
                  "maxItems": 3,
                  "type": "array"
                }
              },
              "required": [
                "docs"
              ],
              "type": "object"
            },
            "count": {
              "description": "Number of normalized events returned",
              "maximum": 200,
              "minimum": 0,
              "type": "integer"
            },
            "events": {
              "description": "Deduplicated events ordered by occurred time descending then ID",
              "items": {
                "additionalProperties": false,
                "properties": {
                  "alert_level": {
                    "description": "USGS PAGER alert level when supplied, or null",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "depth_km": {
                    "description": "Reported source depth in kilometers",
                    "maximum": 1000,
                    "minimum": -100,
                    "type": "number"
                  },
                  "event_type": {
                    "description": "USGS seismic event type when supplied, or null",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "felt_reports": {
                    "description": "Number of USGS DYFI felt reports, or null",
                    "type": [
                      "integer",
                      "null"
                    ]
                  },
                  "id": {
                    "description": "Preferred public event identifier",
                    "type": "string"
                  },
                  "latitude": {
                    "description": "Epicenter latitude in decimal degrees",
                    "maximum": 90,
                    "minimum": -90,
                    "type": "number"
                  },
                  "longitude": {
                    "description": "Epicenter longitude in decimal degrees",
                    "maximum": 180,
                    "minimum": -180,
                    "type": "number"
                  },
                  "magnitude": {
                    "description": "USGS preferred magnitude, or null when unknown",
                    "type": [
                      "number",
                      "null"
                    ]
                  },
                  "magnitude_type": {
                    "description": "USGS preferred magnitude method, or null when unknown",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "occurred_at": {
                    "description": "UTC origin time when rupture began",
                    "format": "date-time",
                    "type": "string"
                  },
                  "official_url": {
                    "description": "Validated inert official USGS HTTPS event-page URL, or null; never fetched by this bridge",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "place": {
                    "description": "USGS textual place description, or null when unknown",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "significance": {
                    "description": "USGS significance score; not probability, damage, or danger",
                    "minimum": 0,
                    "type": "integer"
                  },
                  "source_network": {
                    "description": "Preferred contributing network code, or null",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "status": {
                    "description": "USGS review status when supplied, or null",
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "tsunami": {
                    "description": "USGS tsunami flag; it is not a tsunami warning or prediction",
                    "type": "boolean"
                  },
                  "updated_at": {
                    "description": "UTC time the preferred event record was last revised",
                    "format": "date-time",
                    "type": "string"
                  }
                },
                "required": [
                  "id",
                  "occurred_at",
                  "updated_at",
                  "magnitude",
                  "magnitude_type",
                  "place",
                  "longitude",
                  "latitude",
                  "depth_km",
                  "tsunami",
                  "significance",
                  "felt_reports",
                  "alert_level",
                  "status",
                  "event_type",
                  "official_url",
                  "source_network"
                ],
                "type": "object"
              },
              "maxItems": 200,
              "type": "array"
            },
            "operation": {
              "const": "significant-earthquakes",
              "description": "Stable route operation",
              "type": "string"
            },
            "query": {
              "additionalProperties": false,
              "description": "Normalized effective query identity used for source and cache selection",
              "properties": {
                "days": {
                  "description": "Applied rolling days",
                  "maximum": 365,
                  "minimum": 1,
                  "type": "integer"
                },
                "limit": {
                  "description": "Applied event limit",
                  "maximum": 200,
                  "minimum": 1,
                  "type": "integer"
                },
                "min_significance": {
                  "description": "Applied USGS significance-score threshold",
                  "maximum": 2000,
                  "minimum": 0,
                  "type": "integer"
                },
                "window_end": {
                  "description": "Inclusive UTC end bucket used for source query and cache identity",
                  "format": "date-time",
                  "type": "string"
                },
                "window_start": {
                  "description": "Inclusive UTC start of the effective bucketed window",
                  "format": "date-time",
                  "type": "string"
                }
              },
              "required": [
                "window_start",
                "window_end",
                "days",
                "min_significance",
                "limit"
              ],
              "type": "object"
            },
            "retrieved_at": {
              "description": "UTC time this validated snapshot was retrieved",
              "format": "date-time",
              "type": "string"
            },
            "schema_version": {
              "const": "usgs-earthquake-v1",
              "description": "Pinned USGS normalization contract",
              "type": "string"
            },
            "source": {
              "additionalProperties": false,
              "description": "Official USGS provenance for the served normalized snapshot",
              "properties": {
                "generated_at": {
                  "description": "USGS source-generation or event-update time",
                  "format": "date-time",
                  "type": "string"
                },
                "name": {
                  "const": "USGS",
                  "description": "Official source organization",
                  "type": "string"
                }
              },
              "required": [
                "name",
                "generated_at"
              ],
              "type": "object"
            },
            "stale": {
              "description": "True only when an older validated exact-query snapshot was served after source failure",
              "type": "boolean"
            },
            "warnings": {
              "description": "Revision, freshness, source-link, and safety limitations",
              "items": {
                "description": "Actionable interpretation warning",
                "type": "string"
              },
              "type": "array"
            }
          },
          "required": [
            "operation",
            "schema_version",
            "query",
            "count",
            "events",
            "source",
            "retrieved_at",
            "stale",
            "warnings"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}