---
title: "Grace Seismicity Modulation"
method: POST
path: "/api/v1/grace/seismicity-modulation"
tags: ["GRACE-FO Water Loading"]
---

# Grace Seismicity Modulation

`POST /api/v1/grace/seismicity-modulation`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/grace/seismicity-modulation`
- Auth: none declared

Compute TWS-driven seismicity rate modulation.

Runs full GRACE analysis: trend + seasonal decomposition,
Coulomb stress transfer, rate-and-state seismicity forecast,
correlation with historical earthquake catalog.

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

## Request body

- GRACESeismicityRequest: Request body for seismicity modulation analysis.
  - `lat` number
  - `lon` number
  - `depth_km` number
  - `fault_dip_deg` number
  - `region` string: Named GRACE region (california, oklahoma, himalaya, texas, florida, indonesia, chile, japan)
  - `use_demo` boolean

## 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)