Small Tremors (Foreshocks)

Unusual Noises

Ground Cracks or Changes in Water Levels

Unusual Animal Behavior

Loud Noises or Explosions

Changes in Water Temperature & Color

Ground Deformation (Bulging, Cracks, Uplift)

Gas Emissions (Sulfur, Carbon Dioxide, Steam)

Increased Seismic Activity

Rumbling Sounds

Sudden Water Seepage

Leaning Trees, Poles, or Fences

Cracks in the Ground or Buildings

Heavy or Prolonged Rainfall

Loud Roaring Sound from the Ocean

Unusual Ocean Behavior

Sudden Receding of Ocean Water (Drawback Effect)

Strong or Long-Lasting Earthquake Near the Coast

Subsidence of the Ground

Doors & Windows Sticking or Misaligning

Sudden Changes in Water Drainage –

Small Cracks & Depressions in the Ground

Sudden Loss of Ground Strength

Buildings or Structures Tilting or Sinking

Water Appearing on the Ground Surface

Collapse of Coastal Infrastructure –

Cliff or Beach Retreat

Increased Wave Intensity