An electronic device for monitoring hydrogeological phenomena, adapted to detect stresses of a control surface (S), comprising: - a box-shaped casing rested on the control surface (S); - one or more detection elements configured to convert a mechanical signal (Fi) into an electric signal (Si_ril) characteristic of the mechanical load acting on the control surface (S); - a plurality of signalling legs extending in a spoke-like fashion from the electronic device, which extend parallel to the control surface (S) and are configured to transmit the mechanical load (Fi) which acts on the control surface (S) to one of said detection elements , wherein each detection element is connected to one or more of said signalling legs ; - a signal transceiver configured to transmit and receive data; - a memory unit comprising a threshold value (SOG); - an electrical power supply source configured to power the various elements of the electronic device ; - a processing unit , connected to each of said detection elements and to said signal transceiver , configured to process hydrogeological risk monitoring data comprising: • an input module configured to receive said electric signal (Si_ril) from each of said detection elements ; • a comparison module configured to compare said electric signal (Si_ril) with the corresponding threshold value (SOG) from the memory unit ; • a transmission module configured to transmit to the signal transceiver an alarm signal (S_all) as a function of a match (OK) resulting from the comparison carried out by said comparison module . - a box-shaped casing rested on the control surface (S); - one or more detection elements configured to convert a mechanical signal (Fi) into an electric signal (Si_ril) characteristic of the mechanical load acting on the control surface (S); - a plurality of signalling legs extending in a spoke-like fashion from the electronic device, which extend parallel to the control surface (S) and are configured to transmit the mechanical load (Fi) which acts on the control surface (S) to one of said detection elements , wherein each detection element is connected to one or more of said signalling legs ; - a signal transceiver configured to transmit and receive data; - a memory unit comprising a threshold value (SOG); - an electrical power supply source configured to power the various elements of the electronic device ; - a processing unit , connected to each of said detection elements and to said signal transceiver , configured to process hydrogeological risk monitoring data comprising: • an input module configured to receive said electric signal (Si_ril) from each of said detection elements ; • a comparison module configured to compare said electric signal (Si_ril) with the corresponding threshold value (SOG) from the memory unit ; • a transmission module configured to transmit to the signal transceiver an alarm signal (S_all) as a function of a match (OK) resulting from the comparison carried out by said comparison module . • an input module configured to receive said electric signal (Si_ril) from each of said detection elements ; • a comparison module configured to compare said electric signal (Si_ril) with the corresponding threshold value (SOG) from the memory unit ; • a transmission module configured to transmit to the signal transceiver an alarm signal (S_all) as a function of a match (OK) resulting from the comparison carried out by said comparison module . <EOS>