article_snippet: The research found that significant changes in animal behaviour began 23 days before the magnitude 7.0 Contamana earthquake that struck the region in 2011.
article_snippet: However, within the 2-day period in the run-up to the magnitude 7.0 Contamana earthquake that struck the region in 2011, they recorded five or fewer sightings.
article_snippet: For five of the seven days immediately before the magnitude 7.0 Contamana earthquake that struck the region in 2011, no animal movements were recorded at all, which was incredibly unusual for the region.
article_snippet: The research found that significant changes in animal behaviour began 23 days before the magnitude 7.0 Contamana earthquake that struck the region in 2011 struck the region in 2011.
article_snippet: Scientists recorded the reflection of very low frequency radio waves above the area surrounding the epicentre of the magnitude 7.0 Contamana earthquake that struck the region in 2011.
article_snippet: A particularly large fluctuation was recorded eight days prior to the earthquake, coinciding with the second significant decrease in animal activity observed in the pre-earthquake period.
highlights_snippet: For five days  before an earthquake, no animal movements were recorded .
  