List of Lock-Loss
All time JST
OBSERVING(from 2023-05-25 19:00)
Lock-Loss time |
Recovery time |
Cause(Earthquake, IPC glitch, etc...) |
Recovery |
K-Log# |
2023-05-25 00:58 |
2023-05-25 01:45 |
Earthquake(00:49 M6.2 - Banda Sea) |
auto |
|
2023-05-25 06:49 |
2023-05-25 07:05 |
unknown |
auto |
|
2023-05-25 09:49 |
2023-05-25 10:43 |
unknown |
auto |
|
2023-05-25 10:56 |
2023-05-25 11:55 |
unknown & PR3 Alignment |
auto |
|
2023-05-25 12:26 |
2023-05-25 19:22 |
Earthquake(12:05 M6.5 - Puerto ObaldÃa, Panama) |
auto |
#25370(It has been DOWN repeatedly several times.) |
2023-05-25 22:53 |
2023-05-25 23:48 |
Earthquake(22:48 M5.2 - Basco, Philippines) |
auto |
|
2023-05-26 05:56 |
2023-05-26 06:15 |
unknown |
auto |
|
2023-05-26 11:07 |
2023-05-26 12:52 |
unknown & PR3 Alignment |
||
2023-05-26 14:04 |
2023-05-26 14:11 |
unknown |
auto |
|
2023-05-26 19:04 |
2023-05-26 21:28 |
Earthquake(21:01 M4.6 14km SSE of Asahi,Japan) |
||
2023-05-27 02:41 |
2023-05-27 03:22 |
unknown |
auto |
|
2023-05-27 09:32 |
2023-05-27 09:47 |
unknown |
||
2023-05-27 15:51 |
2023-05-27 19:15 |
unknown & PR3 Alignment |
#25409:RESET_ASC_FEEDBACK(4) in the LSC_LOCK Guardian failed after PR3 alignment work |
|
2023-05-27 22:57 |
2023-05-27 23:17 |
Earthquake(22:52 M4.8 Tokara Island (57km WSW of kurio, Japan)) |
auto |
|
2023-05-28 11:41 |
2023-05-28 12:00 |
unknown |
auto |
|
2023-05-28 14:02 |
2023-05-28 15:50 |
manual(IPC glitch -> PR3 Alignment) |
SDF diffs #25415 SDF state didn't change to 1 even in LSC_LOCK=OBSERVATION |
|
2023-05-29 13:21 |
2023-05-29 15:43 |
unknown(Locked for 21h hours.) |
||
2023-05-30 08:01 |
2023-05-30 14:54 |
Maintenance Day & PR3 Alignment |
auto |
|
2023-05-30 17:49 |
2023-05-30 18:29 |
Earthquake(17:49 M4.5 Noto Peninsula, Japan) |
VIS tripped |
|
2023-05-31 04:07 |
2023-05-31 04:23 |
Earthquake(04:06 M2.8 Hida, Japan) |
||
2023-05-31 11:45 |
2023-05-31 12:45 |
Earthquake(11:21 M 6.2 - Auckland Islands, New Zealand) |
auto |
|
2023-05-31 14:40 |
2023-05-31 15:44 |
manual(IPC glitch -> PR3 Alignment) |
SDF diffs#25462 |
|
2023-05-31 20:33 |
2023-05-31 21:45 |
unknown |
auto |
|
2023-05-31 23:15 |
2023-06-01 00:31 |
Earthquake(23:01 M5.5 - off the east coast of the Kamchaka Peninsula, Russia) |
auto |
|
2023-06-01 14:21 |
2023-06-01 15:54 |
manual(IPC glitch -> PR3 Alignment) |
auto(Manual operation by Ushiba-san was also conducted.) |
|
2023-06-02 02:55 |
2023-06-02 03:10 |
Earthquake(02:55 M2.8 - Hida,Japan) |
auto |
|
2023-06-02 07:49 |
2023-06-02 08:00 |
Earthquake?(No earthquake information.human band vibration.) |
auto |
|
2023-06-02 13:44 |
2023-06-02 15:12 |
manual(IPC glitch -> PR3 Alignment) |
auto |
|
2023-06-02 17:07 |
2023-06-02 17:17 |
Earthquake?(No earthquake information.human band vibration.#25486) |
auto |
|
2023-06-03 13:58 |
2023-06-03 15:23 |
manual(IPC glitch -> PR3 Alignment) |
auto |
|
2023-06-03 16:40 |
2023-06-03 17:01 |
Earthquake?(No earthquake information.human band vibration.) |
auto |
|
2023-06-03 17:06 |
2023-06-03 18:12 |
Earthquake(18:17 M5.9 Gulf of Aden, 16:48 M4.5 Sarakhs, Iran) |
auto |
|
2023-06-03 19:38 |
2023-06-03 19:53 |
Earthquake(19:35 M4.9 Urakawa, Japan) |
auto |
|
2023-06-04 01:57 |
2023-06-04 02:12 |
unknown |
auto |
|
2023-06-04 06:13 |
2023-06-04 06:28 |
Earthquake(06:12 M3.0 Noto Peninsula, Japan) |
auto |
|
2023-06-04 10:59 |
2023-06-04 11:22 |
Earthquake(10:58 M4.6 - Chiba,Japan) |
auto |
|
2023-06-04 14:16 |
2023-06-04 15:12 |
manual(IPC glitch -> PR3 Alignment) |
auto |
|
2023-06-04 20:21 |
2023-06-04 20:42 |
unknown |
auto |
|
2023-06-05 03:19 |
2023-06-05 03:30 |
unknown |
auto |
|
2023-06-05 13:01 |
2023-06-05 16:01 |
Earthquake?(No earthquake information.human band vibration.) + manual(13:19 IPC glitch -> PR3 Alignment) |
auto |
|
2023-06-05 20:03 |
2023-06-05 20:23 |
unknown |
auto |
|
2023-06-06 02:27 |
2023-06-06 02:37 |
unknown |
auto |
|
2023-06-06 08:02 |
2023-06-06 15:54 |
Maintenance Day & PR3 Alignment |
auto |
|
2023-06-06 18:18 |
2023-06-06 18:33 |
Earthquake(18:37 M3.0 - Hida,Japan) |
auto |
|
2023-06-07 07:41 |
2023-06-07 08:14 |
Earthquake(06:43 M4.9 and 06:48 M5.2 - Vao, New Caledonia, 06:50 M4.4 Fiji) |
auto |
|
2023-06-07 13:57 |
2023-06-07 15:53 |
manual(IPC glitch -> PR3 Alignment) |
auto(Manual operation by Ushiba-san was also conducted) |
|
2023-06-07 19:22 |
2023-06-07 19:32 |
Earthquake(18:53 M4.8 - 19km NW of Maubin, Myanmar) |
auto |
|
2023-06-08 13:52 |
2023-06-08 15:11 |
manual(IPC glitch -> PR3 Alignment) |
auto |
|
2023-06-08 21:50 |
2023-06-08 21:58 |
Earthquake(21:49 M3.2 - Noto Peninsula, Japan) |
auto |
|
2023-06-09 05:45 |
2023-06-09 06:39 |
Earthquake(05:31 M5.7 - Rat Islands, Aleutian Islands, Alaska) |
auto |
Lock-Loss
Category |
Frequency (all) |
Frequency (first half until 6/6 15:54) |
Frequency (Second half from 6/6 15:54) |
Earthquake |
24/50(48%) |
19/43(44%) |
5/7(71%) |
- Human band vibration |
5/19(12%) |
5/19(12%) |
0/7(0%) |
Unkown |
16/50(32%) |
16/43(37%) |
0/7(0%) |
Manual(PR3 Alignment) |
8/50(16%) |
6/43(14%) |
2/7(25%) |
Maintenance |
2/50(4%) |
2/43(5%) |
0/7(0%) |
Recovery
Category |
Frequency (all) |
Frequency (first half until 6/6 15:54) |
Frequency (Second half from 6/6 15:54) |
Auto |
43/50(86%) |
36/43(84%) |
7/7(100%) |
manual |
7/50(14%) |
7/43(16%) |
0/7(0%) |