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Editor: satoru.ikeda
Comment:
Deletions are marked like this. Additions are marked like this.
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= Lock-Lossと地震 = = List of Lock-Loss =
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== Before OBSERVING ==
|| Lock-Loss time ||Recovery time ||Earthquake or Other ||K-Log# ||
||2023-05-24 10:20 ||2023-05-24 12:05 ||PR3 Alignment ||- ||
||2023-05-24 12:26 ||2023-05-24 12:44 ||Guardian LOAD trouble ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25360|#25360]] ||
||2023-05-24 15:23 ||2023-05-24 16:41 ||PR3 Alignment ||
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|| Lock-Loss time ||Recovery time ||Earthquake or Other ||K-Log# ||
||2023-05-25 00:58 ||2023-05-25 01:45 ||Earthquake(00:49 M6.2 - Banda Sea) ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25369|#25369]] ||
||2023-05-25 06:49 ||2023-05-25 07:05 ||unknown ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25369|#25369]] ||
||2023-05-25 09:49 ||2023-05-25 10:43 ||unknown ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25375|#25375]] ||
||2023-05-25 10:56 ||2023-05-25 11:55 ||PR3 Alignment ||- ||
||2023-05-25 12:26 ||2023-05-25 19:22 ||Earthquake(12:05 M6.5 - Puerto Obaldía, Panama) ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25370|#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) ||- ||


---
||2023-05-25 15:14 ||2023-05-25 15:27 ||- ||- ||
||2023-05-25 12:30 ||2023-05-25 15:40 ||- ||- ||
||2023-05-25 12:30 ||2023-05-25 19:17 ||- ||- ||		 || Lock-Loss time ||Recovery time ||Cause(Earthquake, IPC glitch, etc...) ||Recovery (auto:21/28(75.0%)) ||K-Log# ||
||2023-05-25 00:58 ||2023-05-25 01:45 ||Earthquake(00:49 M6.2 - Banda Sea) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25369|#25369]] ||
||2023-05-25 06:49 ||2023-05-25 07:05 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25369|#25369]] ||
||2023-05-25 09:49 ||2023-05-25 10:43 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25375|#25375]] ||
||2023-05-25 10:56 ||2023-05-25 11:55 ||unknown & PR3 Alignment ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25375|#25375]] ||
||2023-05-25 12:26 ||2023-05-25 19:22 ||Earthquake(12:05 M6.5 - Puerto Obaldía, Panama) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25370|#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 ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25381|#25381]] ||
||2023-05-26 05:56 ||2023-05-26 06:15 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25384|#25384]] ||
||2023-05-26 11:07 ||2023-05-26 12:52 ||unknown & PR3 Alignment || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25387|#25387GRXtrans power suddenly droped]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25391|#25391]] ||
||2023-05-26 14:04 ||2023-05-26 14:11 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25391|#25391]] ||
||2023-05-26 19:04 ||2023-05-26 21:28 ||Earthquake(21:01 M4.6 14km SSE of Asahi,Japan) ||VIS tripped[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25393|#25393]], Difference in SDF[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25394|#25394]],[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25395|#25395]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25397|#25397]] ||
||2023-05-27 02:41 ||2023-05-27 03:22 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25406|#25398]] ||
||2023-05-27 09:32 ||2023-05-27 09:47 ||unknown ||auto, [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25399|#25399:GRY was recovered to TEM00 mode]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25406|#25406]] ||
||2023-05-27 15:51 ||2023-05-27 19:15 ||unknown & PR3 Alignment ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25409|#25409:RESET_ASC_FEEDBACK(4) in the LSC_LOCK Guardian failed after PR3 alignment work]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25410|#25410]] ||
||2023-05-27 22:57 ||2023-05-27 23:17 ||Earthquake(22:52 M4.8 Tokara Island (57km WSW of kurio, Japan)) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25410|#25410]] ||
||2023-05-28 11:41 ||2023-05-28 12:00 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25416|#25416]] ||
||2023-05-28 14:02 ||2023-05-28 15:50 ||manual(IPC glitch -> PR3 Alignment) ||SDF diffs [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25415|#25415 SDF state didn't change to 1 even in LSC_LOCK=OBSERVATION]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25416|#25416]] ||
||2023-05-29 13:21 ||2023-05-29 15:43 ||unknown(Locked for 21h hours.) ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r= 25431|#25431 OMC cannot be locked and found that GRY was locked]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25429|#25429]] ||
||2023-05-30 08:01 ||2023-05-30 14:54 ||Maintenance Day & PR3 Alignment ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25449|#25449]] ||
||2023-05-30 17:49 ||2023-05-30 18:29 ||Earthquake(17:49 M4.5 Noto Peninsula, Japan) ||VIS tripped ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25456|#25456]] ||
||2023-05-31 04:07 ||2023-05-31 04:23 ||Earthquake(04:06 M2.8 Hida, Japan) ||auto, [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25461|#25461 Audio message from IFO guardian]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25457|#25457]] ||
||2023-05-31 11:45 ||2023-05-31 12:45 ||Earthquake(11:21 M 6.2 - Auckland Islands, New Zealand) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25463|#25463]] ||
||2023-05-31 14:40 ||2023-05-31 15:44 ||manual(IPC glitch -> PR3 Alignment) ||SDF diffs[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25462|#25462]] ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25463|#25463]] ||
||2023-05-31 20:33 ||2023-05-31 21:45 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25465|#25465]] ||
||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 ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25465|#25465]],[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25467|#25467]] ||
||2023-06-01 14:21 ||2023-06-01 15:54 ||manual(IPC glitch -> PR3 Alignment) ||auto(Manual operation by Ushiba-san was also conducted.) ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25478|#25478]] ||
||2023-06-02 02:55 ||2023-06-02 03:10 ||Earthquake(02:55 M2.8 - Hida,Japan) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25480|#25480]] ||
||2023-06-02 07:49 ||2023-06-02 08:00 ||Due to vibration(No earthquake information) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25480|#25480]] ||
||2023-06-02 13:44 ||2023-06-02 15:12 ||manual(IPC glitch -> PR3 Alignment) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25485|#25485]] ||
||2023-06-02 17:07 ||2023-06-02 17:17 ||Earthquake? ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25487|#25487]] ||
||2023-06-03 13:58 ||2023-06-03 15:23 ||manual(IPC glitch -> PR3 Alignment) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25490|#25490]] ||
||2023-06-03 16:40 ||2023-06-03 17:01 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25493|#25493]] ||
||2023-06-03 17:06 ||2023-06-03 18:12 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25493|#25493]] ||
||2023-06-03 19:38 ||2023-06-03 19:53 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25493|#25493]] ||
||2023-06-04 01:57 ||2023-06-04 02:12 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25495|#25495]] ||
||2023-06-04 06:13 ||2023-06-04 06:28 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25495|#25495]] ||
||2023-06-04 10:59 ||2023-06-04 11:22 ||Earthquake(10:58 M4.6 - Chiba,Japan) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25496|#25496]] ||
||2023-06-04 14:16 ||2023-06-04 15:12 ||manual(IPC glitch -> PR3 Alignment) ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25496|#25496]] ||
||2023-06-04 20:21 ||2023-06-04 20:42 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25502|#25502]] ||
||2023-06-05 03:19 ||2023-06-05 03:30 ||unknown ||auto ||[[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25503|#25503]] ||

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 (auto:21/28(75.0%))

K-Log#

2023-05-25 00:58

2023-05-25 01:45

Earthquake(00:49 M6.2 - Banda Sea)

auto

#25369

2023-05-25 06:49

2023-05-25 07:05

unknown

auto

#25369

2023-05-25 09:49

2023-05-25 10:43

unknown

auto

#25375

2023-05-25 10:56

2023-05-25 11:55

unknown & PR3 Alignment

auto

#25375

2023-05-25 12:26

2023-05-25 19:22

Earthquake(12:05 M6.5 - Puerto Obaldía, 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

#25381

2023-05-26 05:56

2023-05-26 06:15

unknown

auto

#25384

2023-05-26 11:07

2023-05-26 12:52

unknown & PR3 Alignment

#25387GRXtrans power suddenly droped

#25391

2023-05-26 14:04

2023-05-26 14:11

unknown

auto

#25391

2023-05-26 19:04

2023-05-26 21:28

Earthquake(21:01 M4.6 14km SSE of Asahi,Japan)

VIS tripped#25393, Difference in SDF#25394,#25395

#25397

2023-05-27 02:41

2023-05-27 03:22

unknown

auto

#25398

2023-05-27 09:32

2023-05-27 09:47

unknown

auto, #25399:GRY was recovered to TEM00 mode

#25406

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

#25410

2023-05-27 22:57

2023-05-27 23:17

Earthquake(22:52 M4.8 Tokara Island (57km WSW of kurio, Japan))

auto

#25410

2023-05-28 11:41

2023-05-28 12:00

unknown

auto

#25416

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

#25416

2023-05-29 13:21

2023-05-29 15:43

unknown(Locked for 21h hours.)

#25431 OMC cannot be locked and found that GRY was locked

#25429

2023-05-30 08:01

2023-05-30 14:54

Maintenance Day & PR3 Alignment

auto

#25449

2023-05-30 17:49

2023-05-30 18:29

Earthquake(17:49 M4.5 Noto Peninsula, Japan)

VIS tripped

#25456

2023-05-31 04:07

2023-05-31 04:23

Earthquake(04:06 M2.8 Hida, Japan)

auto, #25461 Audio message from IFO guardian

#25457

2023-05-31 11:45

2023-05-31 12:45

Earthquake(11:21 M 6.2 - Auckland Islands, New Zealand)

auto

#25463

2023-05-31 14:40

2023-05-31 15:44

manual(IPC glitch -> PR3 Alignment)

SDF diffs#25462

#25463

2023-05-31 20:33

2023-05-31 21:45

unknown

auto

#25465

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

#25465,#25467

2023-06-01 14:21

2023-06-01 15:54

manual(IPC glitch -> PR3 Alignment)

auto(Manual operation by Ushiba-san was also conducted.)

#25478

2023-06-02 02:55

2023-06-02 03:10

Earthquake(02:55 M2.8 - Hida,Japan)

auto

#25480

2023-06-02 07:49

2023-06-02 08:00

Due to vibration(No earthquake information)

auto

#25480

2023-06-02 13:44

2023-06-02 15:12

manual(IPC glitch -> PR3 Alignment)

auto

#25485

2023-06-02 17:07

2023-06-02 17:17

Earthquake?

auto

#25487

2023-06-03 13:58

2023-06-03 15:23

manual(IPC glitch -> PR3 Alignment)

auto

#25490

2023-06-03 16:40

2023-06-03 17:01

unknown

auto

#25493

2023-06-03 17:06

2023-06-03 18:12

unknown

auto

#25493

2023-06-03 19:38

2023-06-03 19:53

unknown

auto

#25493

2023-06-04 01:57

2023-06-04 02:12

unknown

auto

#25495

2023-06-04 06:13

2023-06-04 06:28

unknown

auto

#25495

2023-06-04 10:59

2023-06-04 11:22

Earthquake(10:58 M4.6 - Chiba,Japan)

auto

#25496

2023-06-04 14:16

2023-06-04 15:12

manual(IPC glitch -> PR3 Alignment)

auto

#25496

2023-06-04 20:21

2023-06-04 20:42

unknown

auto

#25502

2023-06-05 03:19

2023-06-05 03:30

unknown

auto

#25503

KAGRA/Observation/O4a/lockloss (last edited 2023-06-21 09:15:54 by satoru.ikeda)