# Механика очага землятресения. Спецкурс. Воронина Е.В. - 59 стр.

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• ## Физика земли

57
2.
x
x y
v
;
;
.
=−
=
=
(12.1)
SH,
w
()
.
∂∂
=+
β∂
, (12.2)
()() ()
+− =
. (12.3)
=
∂∂
=−
∂∂
.

∂∂
−+=


β∂

. (12.4)
β SH
=
()
β
=
π−
(12.5)
                                                                    57

2.iehkdbc — ih^\bdZ gZijZ\e_gZ \^hev hkb x b j_amevlbjmx
s__ kf_s_gb_ bf__l ^\_ dhfihg_glu \^hev hkb x b \^hev hkb y LZdhc lbi
^bkehdZpbc gZau\Z_lky djZ_\hc ^bkehdZpb_c < wlhf kemqZ_ gZijZ\e_gb_
ih^\bdb i_ji_g^bdmeyjgh ebgbb ^bkehdZpbb ?keb ebgbb djZ_\hc ^bk
ehdZpbb i_j_f_sZxlky \ gZijZ\e_gbb iZjZee_evghf ih^\bd_ lh lZdh_
^\b_gb_ gZau\Z_lky kdhev_gb_f
BKEHD:PBY
:GLBIEHKD:Y A:>:Q:
JZkkfhljbf ihem[_kdhg_qgmx iehkdhklv jZaju\Z ^\bmsmxky ih
klhygghc kdhjhklvx v Kbkl_fZ dhhj^bgZl
[ ′ = [ − YW ;
\′ = \ ;                       (12.1)
W′ = W .

J_r_gb_ bs_lky \ \b^_ ihl_gpbZeh\ jZkijhkljZgyxsboky \heg SH,
h[hagZq_gghf w Kf_s_gb_ gZ jZaju\_ aZ^Z_lky \ \b^_ klmi_gqZlhc _^b
gbqghc nmgdpbb + ( [ ) .
MjZ\g_gb_ ^\b_gby h^ghjh^ghc bahljhighc kj_^u k\h^blky d
mjZ\g_gbx ^\b_gby \b^Z
∂ Z ∂ Z ∂ Z

=    +     ,                   (12.2)
β  ∂W  ∂[  ∂\
k ]jZgbqguf mkeh\b_f hibku\Zxsbf jZaju\ kf_s_gby gZ iehkdhklb jZa
ju\Z
Z ( [ + W ) − Z ( [ − W ) = ∆Z ⋅ + ( − [′) .
                                   (12.3)

Ijbf_gyy mkeh\b_ klZpbhgZjghklb ∂ =   bf__f ∂ = −Y ∂ .
∂W ′          ∂W    ∂[′
I_j_ibr_f mjZ\g_gb_ ^\b_gby \ \b^_
 Y   ∂ Z ∂ Z
 −    +  =  .             (12.4)
 β  ∂[′    ∂\
A^_kv β — kdhjhklv jZkijhkljZg_gby SH \heg Wlh mjZ\g_gb_ ijb
Y = k\h^blky d mjZ\g_gbx EZieZkZ j_r_gb_ dhlhjh]h ^ey knhjfmebjh


\Zgguo gZqZevguo mkeh\bc b Y < β ohjhrh ba\_klgh
Y
\   −
∆Z                   β
Z ( [ \ W ) = DUFWJ                    (12.5)
π              [ − YW
`