Meanings of extinction-level event in English

I'm just not sure if it's merely millions or an extinction-level event.

My own personal extinction-level event, right in the halls of high school.

The resulting claims could be an extinction-level event for an insurance company.

In terms of our liberal democracy and constitutional order, Trump is an extinction-level event.

The result has been an extinction-level event.

But the creatures are in peril with the island's volcano gearing up to blow, an extinction-level event for the giant beasts.

When the island's dormant volcano begins roaring to life, Owen and Claire mount a campaign to rescue the remaining dinosaurs from this extinction-level event.

As they (and the remains of the government) take stock of the devastation, they conclude that Earth has likely experienced an extinction-level event.

Extinction-level event, even if it's just a rock.