---
title: "Schumann Em Seismic Correlation"
method: POST
path: "/api/v1/frontier/schumann/em-seismic-correlation"
tags: ["Schumann Resonance + Seismicity"]
---

# Schumann Em Seismic Correlation

`POST /api/v1/frontier/schumann/em-seismic-correlation`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/frontier/schumann/em-seismic-correlation`
- Auth: none declared

Cross-correlate electromagnetic and seismic signals.

Computes the cross-correlation between INTERMAGNET magnetic field
data and Raspberry Shake seismic waveforms over a specified time
lag range. Identifies statistically significant EM-seismic coupling
that may precede earthquakes.

Parameters (JSON body):
- magnetic_signal : list[float] -- Magnetic field time series (nT)
- seismic_signal : list[float] -- Seismic velocity time series (m/s)
- time_lag_range_hours : float -- Maximum time lag to search (hours, default 72)

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

## Query parameters

- `x_api_key` string, nullable

## Request body

- object

## 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)