Some claim that the Loch Ness monster was first reported in A.D. , explanation ; however it wasn't until the following year that Nessie shot. Loch Ness Monster: An Italian scientist blames the Loch Ness monster sightings on seismic activity. Some scientists offer another explanation. creature really exists? Here's what you need to know about the Loch Ness Monster. Ness, but are rarely seen. Description of the Monster. The sandstones were originally laid down in warm seas which then comprised Scotland. The first photo became well-known, and the second attracted little publicity because of its blurriness. International Business Times UK. That leap might be due to what is called "availability heuristics," says professor Cronk. In April ofTim Dinsdale, while visiting the lake, captured the first moving picture of the monster. Campbel spent a lot of time at the lake and observed the monster himself several times after being told of the Mackay sighting.