Information message on underground nuclear explosion conducted in North Korea on May 25, 2009 |
| GS RAS has registered underground nuclear explosion conducted in North Korea on May 25, 2009. Registration time of this explosion was 00:54 a.m. GMT (04:54 a.m. Moscow time) with magnitude 5.0. |
| Preliminary processing has been done with data from 34 stations, accurate processing - with data 51 stations. |
| Fig. 1 presents fragments of three component record of this explosion obtained from digital station Vladivistok (∆ 2.8º). |
Figure 1
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| IPC GS RAS also has obtained information with parameters of this event from some seismological centers, these data are given in table 1: |
| Table 1 |
| NN |
Time in origin h-min-s (GMT) |
Lat degr. |
Lon degr. |
Depth km |
N s/st |
Ms/ N |
mb/ N |
I0 calc |
GAP |
Center | | 1 |
00-54-40.9 |
41.29 |
129.07 |
0 |
51 |
| 5/31 | | 95 | IPC GS RAS (Accurate) | | 2 |
00-54-42.4 |
41.3 |
129.11 |
10 |
34 |
| 5.1/18 | | 95 | IPC GS RAS (Preliminary) | | 3 |
00-54-44.6 |
41.29 |
128.98 |
10 |
86 |
| 4.9 | | 46 | CSEM | | 4 |
00-54-44.9 |
41.28 |
129 |
10 |
51 |
| 4.7/51 | | 71 | NEIC (Preliminary) | | 5 |
00-54-43.8 |
41.33 |
129.01 |
0 |
76 |
| 4.7/57 | | 68 | NEIC (Accurate) | |
| IPC GS RAS - Informational Processing Center, Geophysical Survey, Russian Academy of Sciences |
| CSEM - European - Mediterranean seismological center |
| NEIC - National Earthquakes Information Center of US Geological Service |
| Epicenter |
| Fig.2 depicts with yellow star epicenter of this explosion, which was located in North-East part of North Korea, at 80 km S-W from Ch'ongjin, at 270 km N-E from Wonsan, at 315 km S-W from Vladivostok, at 375 km N-E from Pyongyang. |
Figure 2 |
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| Historical records |
| GS RAS registered explosion on October 9, 2006 in the same region of North Korea with magnitude М=4.0
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