A multi-sensor microelectromechanical sensor (MEMS) package, comprising: a gyroscope configured to measure angular velocity about one or more axes of rotation, the gyroscope comprising: a plurality of gyroscope movable masses ; one or more drive electrodes to drive one or more of the plurality of gyroscope movable masses , wherein the one or more drive electrodes are driven by a drive voltage; and one or more gyroscope sense electrodes to sense the movement of one or more of the plurality of gyroscope movable masses based on a sense voltage of the gyroscope sense electrodes ; an accelerometer configured to measure linear acceleration along one or more axes, the accelerometer comprising: one or more accelerometer movable masses; and one or more accelerometer sense electrodes to sense the movement of the one or more accelerometer movable masses; an accelerometer seal that encloses the accelerometer , wherein the accelerometer seal defines an accelerometer cavity within the accelerometer seal ; a gyroscope seal that encloses the gyroscope and the entirety of the accelerometer seal , wherein the gyroscope seal defines a gyroscope cavity within the gyroscope seal , and wherein the accelerometer seal isolates a pressure (P3) within the accelerometer cavity from a gyroscope pressure (P2) within the gyroscope cavity ; and processing circuitry configured to sense a change in pressure within the gyroscope cavity based on at least the drive voltage or the sense voltage, and to identify a failure based on the change in pressure. a gyroscope configured to measure angular velocity about one or more axes of rotation, the gyroscope comprising: a plurality of gyroscope movable masses ; one or more drive electrodes to drive one or more of the plurality of gyroscope movable masses , wherein the one or more drive electrodes are driven by a drive voltage; and one or more gyroscope sense electrodes to sense the movement of one or more of the plurality of gyroscope movable masses based on a sense voltage of the gyroscope sense electrodes ; a plurality of gyroscope movable masses ; one or more drive electrodes to drive one or more of the plurality of gyroscope movable masses , wherein the one or more drive electrodes are driven by a drive voltage; and one or more gyroscope sense electrodes to sense the movement of one or more of the plurality of gyroscope movable masses based on a sense voltage of the gyroscope sense electrodes ; an accelerometer configured to measure linear acceleration along one or more axes, the accelerometer comprising: one or more accelerometer movable masses; and one or more accelerometer sense electrodes to sense the movement of the one or more accelerometer movable masses; one or more accelerometer movable masses; and one or more accelerometer sense electrodes to sense the movement of the one or more accelerometer movable masses; an accelerometer seal that encloses the accelerometer , wherein the accelerometer seal defines an accelerometer cavity within the accelerometer seal ; a gyroscope seal that encloses the gyroscope and the entirety of the accelerometer seal , wherein the gyroscope seal defines a gyroscope cavity within the gyroscope seal , and wherein the accelerometer seal isolates a pressure (P3) within the accelerometer cavity from a gyroscope pressure (P2) within the gyroscope cavity ; and processing circuitry configured to sense a change in pressure within the gyroscope cavity based on at least the drive voltage or the sense voltage, and to identify a failure based on the change in pressure. <EOS>