deletions | additions       diff --git a/Past_work_Microseismicity_has_been__.md b/Past_work_Microseismicity_has_been__.md  index 7447802..711fe93 100644  --- a/Past_work_Microseismicity_has_been__.md  +++ b/Past_work_Microseismicity_has_been__.md 
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#Past work  Microseismicity has been observed at Rotokawa since the start of deep injection in 2005 \cite{Sherburn_2015} and at Ngatamariki since injection operations began in 2012 \cite{Sherburn_2013}. \cite{Sherburn&Bourguignon_2013}.  At Rotokawa, the largest portion of microseismiciy since 2012 has been located in the southeast portion of the field as discussed in \cite{Sherburn_2015}, within the polygon shown in \ref{Figure_1}. At Ngatamariki, two very distinct, clusters of microseismicity are observed, one in the North of the field and one further south \cite{Sherburn&Bourguignon_2013} \cite{Sherburn&Bourguignon_2014} \cite{Sherburn&Bourguignon_2015}. The northern cluster has been observed in the northern injection area surrounding wells NM8 and NM9 at a between 1.5 and 2.5 km below sea level whereas the southern cluster is generally located between the injection area associated with NM10 and NM6 and the production area for the field surrounding NM5 \cite{Sherburn&Bourguignon_2015}. This is likely associated with a structure related to the Aratiatia Fault Zone which strikes SW-NE accross the southern end of the Ngatamariki field as has been modeled by \cite{buscarlet2015reservoir}. Events have been observed in roughly equal numbers in both clusters \cite{Sherburn&Bourguignon_2013}.  1. Rotokawa  * Locations normally cluster in the production area within the 'RK04, RK05, RK20' triangle