Technology interacts with our earth system. We can cause earthquakes, as well as manage natural hazards.

This week there were earthquakes in the central Pacific, Iran and California — all of them tiny steps in an enormous, eternal process.

This week’s earthquakes included a tremor in the mid-Atlantic which no-one noticed, and one in Delware which shook tens of millions of people.

There were no major earthquakes this week, but plenty of minor activity in Papua New Guinea, the eastern Mediterranean and Alaska.

This week’s earthquakes were dominated by an earthquake series in New Caledonia — but there was also interesting and significant activity on Iceland and Oklahoma.

This week saw the most deadly earthquake of the year so far, in Iran – and there were also tremors in Costa Rica and California.

This week there was a large earthquake south of Samoa, plus smaller events in Scotland and Wyoming.

This week’s Earthquake Digest saw plenty of seismic activity — most notably in New Caledonia, Iceland and Hawaii.

This week saw an earthquake resulting from continental collision in Indonesia, along with earthquakes in Africa and Montana.

Three different earthquakes in three different tectonic settings – in the South Atlantic, Alaska and California – have one thing in common this week.