Summary - In the 12 months, October, 1997 through September, 1998, a total of
27 earthquakes were located. Many of these were part of the Willard, NM swarm, which started in late December, 1997 and continued into January, 1998. The Willard swarm earthquakes are located about 30 km south of the southern edge of the north-central New Mexico seismicity plot. Plot features
are similar to those described for the plot above.
Plot of earthquakes in north-central New Mexico.
Enlarged Plot of Earthquakes in the Los Alamos Area
