---
title: "Megathrust Hazard"
method: POST
path: "/api/v1/subduction/slow-slip/hazard"
tags: ["Slow-Slip Event Detection"]
---

# Megathrust Hazard

`POST /api/v1/subduction/slow-slip/hazard`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/subduction/slow-slip/hazard`
- Auth: none declared

Assess megathrust stress loading from a detected slow-slip event.

Computes how much Coulomb stress the SSE transfers to the locked
megathrust zone, the equivalent time advance of the seismic cycle,
and a risk narrative for the relevant subduction segment.

**Pricing:** Included in subscription tiers (legacy list price: GET /api/v1/billing/pricing).

Request body::

    {
        "lat": 46.0,
        "lon": -125.0,
        "sse_slip_cm": 3.0,
        "sse_mw": 6.3,
        "zone": "cascadia",
        "use_demo": true
    }

## Query parameters

- `x_api_key` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/deepmapai/apis/deepmap-ai.md) · [All operations](https://skmtc.dev/deepmapai/apis/deepmap-ai/llms.txt) · [OpenAPI document](https://skmtc.dev/deepmapai/apis/deepmap-ai/revisions/dab995d977d0?raw)