Recent large Japan quakes are aftershocks of the 2011 Tohoku Earthquake
Less clear is whether the three magnitude-7 quakes in the past 80 days are part of a chain reaction. The sequence has nevertheless left some faults closer to failure, so …
Representation matters in earthquake ‘felt reports’
Earthquake ‘felt reports’ can help determine where critical resources should be sent after a major quake. But these accounts may be biased toward those who have the means to report. …