Domestic earthquake forecasting device

The utility model discloses a domestic earthquake prospector, which comprises a horizontal supporting plate; a supporting foot disposed below the horizontal supporting plate; an octagon inverted frustum shaped drum disposed above the horizontal supporting plate; a plurality of bead supports disposed from top to bottom, wherein each bead support supports a gravity bead; and bead-drop induction alarm device disposed right below the octagon inverted frustum shaped drum. The utility model can accurately forecast earthquake information in time so as to reduce casualties and property damage due to earthquake disaster. It is suitable for domestic application, and has the advantages of simple and reasonable structure, and small volume.