Download the postscript map and its legend . To generate a new map click on the "Make Map" button or click on the map to recenter.

[How map options work]

Scale map to data
Zoom map by
Map a region:
  NORTH
 
WEST
Get Coordinates from Map EAST
  SOUTH
 
click on the globe icon
to set coordinates from a map

Large View
Plates
Cities

Map Title:

Set Advanced Options


Set Advanced Options:
[see instructions for these options]

User Defined Stations:
Name
(optional)
LatitudeLongitudeCalculated
Diameter
User Defined Event:
LatitudeLongitude
Scale map to User Defined Data

Data will be binned (grouped) by event magnitude.
Define the bins and maximum symbol size by setting the options below:

Top data bin contains magnitudes >= (0 scales to data)
Maximum symbol size: inches.

Bin width (magnitude difference):
Number of bins: