diff --git a/earthquake/earthquake.ino b/earthquake/earthquake.ino
index 6ce5c3194db4ba3c1e4bf5b42e4cb9833d83674e..00cd1b5227e7c1ceb598e5628baa91094b1067bd 100644
--- a/earthquake/earthquake.ino
+++ b/earthquake/earthquake.ino
@@ -7,6 +7,7 @@ LiquidCrystal lcd(0, 1, 8, 9, 10, 11); /// REGISTER SELECT PIN,ENABLE PIN,D4 PIN
 const int latchPin = 2; //to IC pin 12
 const int dataPin = 3; //to IC pin 14
 const int clockPin = 4; //to IC pin 11
+const int seismicPin = 5;
 const byte digit[] = {64, 121, 36, 48, 25, 18, 2, 120, 0, 16};
 byte magnitude;
 
@@ -15,10 +16,13 @@ void setup() {
   pinMode(latchPin, OUTPUT);
   pinMode(dataPin, OUTPUT);
   pinMode(clockPin, OUTPUT);
+  pinMode(seismicPin, INPUT);
   magnitude = 0;
 
   //LCD
   lcd.begin(16, 2);
+
+  Serial.begin(9600);
 }
 
 void loop() {