|
EARTHQUAKE SEVERITY
|
|
Richter
Scale
|
Example
(Approx.)
|
|
1.0
|
Small blast at a construction site |
|
3.5
|
Large mine blast
|
|
4.5
|
Average tornado; quake felt but moderate
damage
|
|
5.5
|
Slight damage
to buildings
|
|
6.5
|
Destructive where people live;
Northridge, Calif. quake, 1994
|
|
7.0
|
Major quake, serious damage; Kobe, Japan, 1995; Qaen, Iran, 1997
|
|
8.0
|
San Francisco, CA, 1906
|
|
8.5
|
Anchorage, AK, 1964
|
|
9.0
|
Chilean quake, 1960
|
|
The coding:
<table width=200 border=1 cellspacing=0 cellpadding=2>
<tr>
<td colspan=2 bgcolor="#003399" align=left>
<font face="arial", "helvetica" size=2 color="#FFFFFF">
<b>EARTHQUAKE SEVERITY</b>
</td>
</tr>
<tr>
<td valign=top align=left bgcolor="#eeeeee">
<font face="arial", "helvetica" size=2 color="#000000">
<B>Richter
Scale</B>
</td>
<td valign=top align=left bgcolor="#eeeeee"><font face=arial bold size=2 color="#000000">
<B>Example
(Approx.)</B>
</td>
</tr>
<tr>
<td valign=top align=left bgcolor="#ddeeff">
<font face="arial", "helvetica" size=4 color="#000000">
1.0
</td>
<td valign=top align=left bgcolor="#ddeeff"><font face=arial bold size=2 color="#000000">
Small blast at a construction site</td>
</tr>
<tr>
<td valign=top align=left bg color="eeeeee">
<font face=arial bold size=4 color="#000000">
3.5
</td>
<td valign=bottom align=left bgcolor="#eeeeee">
<font face="arial", "helvetica" size=2 color="#000000">
Large mine blast
</td>
</tr>
...and so on
</table>
|