The only other earthquake larger than intensity (MM) V
within 80 km of the site was the March 5,  1893  shock  that
occurred near Umatilla, Oregon, about 62 km south of the
site. Townley and Allen (1939)  reported  the  earthquake  as
follows:

     1893 March 6 (sic) umatilla.  A  succession  of  shocks
     were felt here to-night. One of the  walls  of  a  large
     stone building was thrown down by the  force  of  the
     shock (VII? VIII?) .

A VII? to VIII? Rossi-Forel (RF)  intensity  would  correspond
to a (MM) VII? intensity.

The East Oregonian, (1893), Pendleton,  newspaper  of  Monday,
March 6, 1893, had the following headline and article:

     Earthquake at Umatilla - the little city  in  the  sand
     badly shaken up.

     Umatilla, Oregon March 6 - At three  minutes  past  5
     O'clock yesterday afternoon an earthquake shock lasting
     several seconds passed over this section of the
     country. One side of a  large  stone  warehouse  tumbled
     down, and the building was so badly  cracked  on  all
     sides that it will have to be  torn  down.  D.  Harris,
     agent for the Union Pacific, who was possessing the
     building at the time, barely escaped  being  buried  in
     the debris.

This appears to have been an earthquake  of  very  limited
extent, because no felt reports from  Pendleton  itself  nor
any towns in the surrounding area were found  in  the  search
of newpapers in Pendleton and  Milton-Freewater,  Oregon,  and
Yakima, Walla Walla, and Spokane, Washington.

The largest circular area about Umatilla that excludes
Pendleton and Yakima has an area of 7,800 km2.  The
intensity-felt-area plot, Figure 2.5-53, is  based  on  data
from Table 2.5-6 and shows that a 7,800 km2 area is
compatible with an intensity (MM) V-VI but is  an  order  of
magnitude less than the felt areas associated with intensity
(MM) VII earthquakes.  Consequently, the intensity rating of
this earthquake has been reduced to (MM) VI  in  Table  2.5-5.