Press release, Groningen
Van Rossum’s report, Analysis of the Technical Impact, was published on 20th April by the province of Groningen.
A number of buildings in Groningen were subjected to calculations in order to acquire a general impression of the degree to which buildings in Groningen satisfy the provisional Dutch Practice Guideline [Nederlandse Praktijk Richtlijn or NPR] for earthquake resistant-buildings.
For more information, see the press release from the province of Groningen:
More clarity about the reinforcement of homes in an earthquake area
The covering letter to the Minister of Economic Affairs can also be found here.20-4-2015