Fig. 4From: Evaluation of automatic hypocenter determination in the JMA unified catalogDistribution of completeness magnitude (Mc); depth range 0–50 km. a Comparison of the periods April 2015 to March 2016 and April 2016 to December 2017, before and after the introduction of the automatic process. b Comparison of March 2010 to February 2011 and April 2016 to December 2017 (before and after the 2011 Tohoku earthquake)Back to article page