Location Help
There are several ways to select a search location:
Click the "All" radio button if you don't want to specify a search area.
The "Point" and "Point (from Map)" options are used to select a circular area.
The "Area" option allows you to define a rectangular search area.
Finally, you can search by the "Text Location"
Click here to find out more about latitude and longitude selection.
View sample coordinates
Point Selection
Type the latitude and longitude of the point to be the center of the search circle.
Remember to choose the correct direction i.e. N or S, W or E. Type the radius of the circle into the
appropriate box (in kilometres).
If you want to select from the map, select the "Point (from map)" option, fill in the radius and click the map.
The query will take the curviture of the earth into account when selecting the quakes.
Area Selection
The map below provides two examples of how to construct a rectangular search area.
Latitude and Longitude
Remember to choose the correct direction i.e. N or S, W or E. Type the radius of the circle into the appropriate box (in kilometres).
If you want to select from the map, select the "Point (from map)" option, fill in the radius and click the map.
The query will take the curviture of the earth into account when selecting the quakes.
Area Selection
The map below provides two examples of how to construct a rectangular search area.
Latitude and Longitude
Useful coordinates:
- Atlanta............. 33.45 N, 84.23 W
- Chicago............. 41.53 N, 87.38 W
- Dallas.............. 32.47 N, 96.49 W
- Denver.............. 39.44 N, 104.59 W
- Los Angeles......... 34.04 N, 118.15 W
- Sacremento.......... 38.35 N, 121 29 W
- San Diego........... 32.43 N, 117.09 W
- San Francisco....... 37 53 N, 122 25 W
- Seattle............. 47.36 N, 122.20 W
- New York............ 40.43 N, 74.00 W
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- Ottowa.............. 45.25 N, 75.43 W
- Vancouver........... 49.13 N, 123.06 W
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- Athens.............. 38.00 N, 23.44 E
- London.............. 51.30 N, 0.10 W
- Madrid.............. 40.25 N, 3.45 W
- Moscow.............. 55.45 N, 37.42 E
- Paris............... 48.50 N, 2.20 E
- Rome................ 41.53 N, 12.30 E
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- Lima................ 12.06 S, 77.03 W
- Mexico City......... 19.25 N, 99.10 W
- Santiago............ 33.27 S, 70.38 W
- Sao Paulo.......... 23.33 S, 46.39 W
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- Beijing............. 39.55 N, 116.25 E
- Delhi............... 28.38 N, 77.17 E
- Manila.............. 14.36 N, 120.59 E
- Tokyo............... 35.40 N, 139.45 E
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- Christchurch........ 43.33 S, 172.47 E
- Wellington (NZ)..... 41.17 S, 174.47 E
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- Johannesburg........ 26.10 S, 28.02 E
- Nairobi............. 17.00 S, 36.50 E
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