A Typescript utility function to generate number of random Geolocations around a center location and in a defined radius.

generateRandomGeoLocations.ts

export class GeoUtil {
    /**
     * @param center = {lat, lng}
     * @param radius = 1000
     * @param count = 10
     */
    static generateRandomPoints(center, radius = 1000, count = 10) {
        const points = [];
        for (let i = 0; i < count; i++) {
            points.push(this.generateRandomPoint(center, radius));
        }
        return points;
    }

    static generateRandomPoint(center, radius) {
        const x0 = center.lng;
        const y0 = center.lat;
        // Convert Radius from meters to degrees.
        const rd = radius / 111300;

        const u = Math.random();
        const v = Math.random();

        const w = rd * Math.sqrt(u);
        const t = 2 * Math.PI * v;
        const x = w * Math.cos(t);
        const y = w * Math.sin(t);

        const xp = x / Math.cos(y0);
        // Resulting point.
        return {lat: y + y0, lng: xp + x0};
    }

}

                                  
// Usage
GeoUtil.generateRandomPoints(this.currentLatLng, 10000, 15);