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Statistics of seismicity of Kamchatka peninsula and surroundings

In the following tables, we show how the earthquakes of Kamchatka peninsula (and surrounding seas) are distributed with respect to magnitude and energy class. Table. 1 is based on the data of distant stations, and expressed in magnitude (Ms) units. Table 2 is based on detailed seismological observations since 1961 and is expressed in energy class units or alternatively in local magnitude units. In both tables, we consider only earthquakes with depths 0-100 km.

Table 1. Frequency-magnitude distribution, distant observations
Magnitude Period of observations Number of events Yearly number of events
6
7
8
8.5
1924 - 1977 (54 г.)
1899 - 1977 (78 лет)
1899 - 1977 (78 лет)
1899 - 1977 (78 лет)
222
56
9
2
    4.1111
0.7179
0.1153
0.0256


Table 2. Frequency-magnitude distribution, detailed regional observations
Energy class
K
Local magnitude
M
Period of
observations
Number
of events
Yearly number
of events
11
12
13
14
4.75
5.25
5.75
6.25
1964 - 1980 (17 лет)
1964 - 1980 (17 лет)
1964 - 1980 (17 лет)
1964 - 1980 (17 лет)
1497
478
149
22
  88.06
28.12
8.76
1.3

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