  The first meter-scale interstellar meteor (IM1) was detected by US government
sensors in 2014, identified as an interstellar object candidate in 2019, and
confirmed by the Department of Defense (DoD) in 2022. We use data from a nearby
seismometer to localize the fireball to a $\sim 16 \mathrm{\; km^2}$ region
within the $\sim 120 \mathrm{\; km^2}$ zone allowed by the precision of the
DoD-provided coordinates. The improved localization is of great importance for
a forthcoming expedition to retrieve the meteor fragments.
