Station MSEY, Mahe, Seychelles

MSEY operational status:

2024.01.01

The STS-6 channels are showing offsets and data are non-seismic as of day 2023,365-13:24.  A trip to the station to replace this sensor is being planned for sometime in Spring 2024.

2023.06.23

IDA engineers visited the station and replaced the STS-6 and (~2023,174-08:35) and Q330 digitizer. Data are seismic but there is a calibration issue with the sensor.

2022.12.30

The station is back up after the station operator replaced the RPS and restored telemetry.  The STS-6 has failed, producing a very low resolution response with a suspected cause being a power supply board failure in the sensor.

2022.11.03

The station is down due to damaged RPS caused by lightning.  An RPS and converter were shipped to the station.

2022.06.13

IDA engineers are onsite to replace the KS54000 seismometer with an STS-6 seismometer, install an RPM, new station computer, and QEP, and perform other station maintenance such as constructing a new concrete pad for the wellhead enclosure and upgrading the grounding system.

2021.06.11

The station is back up after the station operator visited the station and replaced the fuse on the Distribution box and changed ports for the network cable to the switch in the rack.  Data quality is poor for all channels from the KS54000 due to decaying response of the sensor.

2021.04.17

The station is down as of day 2021,106 due to communication issues between the digitizers and station computers. IDA engineers are working with the station operator to resolve these issues.

2020.10.28

The station operator replaced the faulty msey1 station computer and MSEY10 Q330 digitizer on 10/28 (day 2020,302).

2020.10.02

The station operator reports the msey1 station computer has failed.  The MSEY10 Q330 digitizer is also down.  A replacement Q330 and station computer are being shipped to the station.

2019.04.05

The station is back online as of day 2019,095.  The station operator reports the station computers were both up but the internet was down.

2019.03.29

The station is down as of day 2019,088 due to continued power problems.  The station operator is procuring replacement backup batteries, and is planning on visiting the station to check the power supply.

2019.03.26

The station is back online as of day 2019,085 (March 26) after the station operator restored power and replaced the station computer.

2019.03.16

The station is down as of day 2019,075 (March 16) due to power problems.  IDA engineers are working with the station operator to resolve this issue.

2018.08.22

The station is back online as of 2018,234 after the wireless antenna cable was replaced.

2018.08.17

The station is down as of day 2018,226-15:19 due to damaged power lines and a broken wireless antenna cable.  The station operator reports the electric company will fix the damaged power lines near the station.

2018.07.16

The station was down from day 2018,194-16:17 to 2018,197-12:01 due to a power outage caused by damaged power lines to the station.

2018.03.13

The station is back online as of day 2018,072 (Mar. 13) after the station operator visited the station and reconfigured the cable connections to the switch at the wellhead.  Two ports on the switch were found to be faulty.

2018.03.02

The station is down as of day 2018,058-05:54 due to communication problems between the digitizers and station computers.

2017.04.06

Telemetry to the station is down as of day 2017,086-11:18 due to technical issues with an antenna used to provide service to the station.  The internet service provider is planning to send technicians to address these issues.

2016.09.01

The station operator installed an episensor strong motion sensor on day 2016,133-07:30.

2016.03.07

An IDA engineer visited the station to upgrade the DC power system.  The CMG-3T was replaced with a Trillium 120PH seismometer and a Setra microbarometer was installed. The FBA-23 accelerometer was removed and will be replaced with an episensor strong motion sensor.

2015.05.07

Telemetry to the station was down since August 2014.  Telemetry was restored on day 2015,127 (May 7) after switching to a new internet service provider.

2013.03.20

Telemetry to the station has been restored.

2012.10.23

The Internet Service Provider has reported that the telemetry problem is due to a change in services. The station is currently not covered as they moved their services to a new satellite. IDA engineers are working with them to resolve this issue.

2012.10.11

The station operator visited the station and reports the station is acquiring data but the satellite modem is not working and suspects there are other problems with the transmission equipment. IDA engineers are continuing to work with the station operator to resolve this issue.

2012.09.26

The station is down since day 2012,270-21:55 for reasons yet to be determined. The station operator has been requested to investigate.

2012.06.19

Telemetry to the station is back up after the station operator restored VSAT service. The East-West channels from the CMG-3T are seismic again.

2012.06.04

The station operator reports replacing the satellite modem. However, telemetry is still down. An IDA engineer is attempting to contact the internet service provider.

2012.04.09

IDA engineers visited the station and replaced the ethernet switches in the recording room and wellhead, restoring communication between the vault and recording room. The satellite modem is damaged and we are awaiting a quote for a new one from the internet provider.

2012.03.29

The station operator reports damage to equipment at the station caused by lightning. He has replaced a damaged network switch, and tried to reconfigure power to the recording room and wellhead. He is planning on visiting the station again today for further investigation.

2012.02.23

The station is down as of day 2012,054-13:43 due to problems with the station computers that are yet to be determined.

2011.07.29

The station is back on-line as of day 2011,210-11:57 after an IDA engineer visited the station and upgraded it to a Quanterra Q330HR system. Instruments at the station include KS-54000 and CMG-3T seismometers, and an FBA-23 accelerometer.

2011.02.25

The station operator reports cycling power to the DAS. However, the station remains down. IDA engineers are planning to upgrade the station.

2011.02.08

The station is down due to power outage. The power company has removed the power lines to the station. The station will remain down until the power to the station is restored.

2011.01.14

The station is down as of day 2011,014-1700 due to problems with the DAS that are yet to be determined.

2011.01.13

The East-West channels from the CMG-3T seismometer are non-seismic as of day 2011,012-2021 for reasons yet to be determined.

2010.10.29

The station is back on-line as of day 2010,302-12:01.

2010.10.01

The station operator replaced the GPS clock and cycled power to the ARS. However, the station is still down due to problems with the ARS.

2010.09.07

The station is down as of day 2010,232-21:39 due to problems with the GPS clock. A replacement GPS clock is being shipped to the station.

2010.04.21

The station was down from day 2010,110-17:09 to 2010,111-21:24 due to problems with the DAS. Data acquisition was restored after a warm reset of the DAS.

2009.05.08

The station was down from about day 2009,123 to 2009,128 due to communication problems between the DAS and ARS. The station came back on-line after the station operator cycled power to the DAS.

2009.04.21

The station is back on-line as of about day 2009,111-10:38 after the station operator cycled power to the DAS.

2009.04.17

The station is down as of about day 2009,107 due to problems with the DAS. The station operator is requested to cycle power to the DAS.

2007.06.14

The station is back online as of about day 165-09:02 after the station operator restored power to the station and restored communication betweeen the DAS and the ISP.

2007.05.30

The station is down as of about day 150-12:54 due to problems with the digitizer that are yet to be determined.

2007.05.07

The station is back online as of about day 127-16:15 after an IDA engineer visited the station and replaced the ARS, DAS, GPS clock, and main power supply. These equipment were damaged due to a voltage surge suspected to be caused by lightning.

2007.03.29

The station is down again (as of about day 075) due to power problems. The station operator visited the station and reports that fuses were blown in the power supply and digitizer, and that the digitizer boards have been damaged.

2007.03.16

The station operator restored power to the station and data acquisition has resumed. However, the GPS clock is malfunctioning and the station operator has been requested to cycle power to the GPS clock.

2007.03.04

The station is down as of about day 063-06:01. The station operator reports that recently there were several severe electrical storms in the area.

2007.02.27

The station is online as of about day 058-07:09 after the station operator power cycled the digitizer.

2007.02.17

The station is down as of day 048-20:16 due to problems with the DAS that are yet to be determined.

2006.11.20

The station was down from 324-22:01 to 332-10:34 due to problems with the DAS. Data acquisition resumed after the station operator cycled power to the DAS.

2006.09.27

The station is up as of about day 270-06:46 after the station operator replaced a fuse in the power supply board in the digitizer. The North- South and East-West channels for the KS-54000 seismometers are out due to faulty circuit boards in the DAS.

2006.08.25

The station is down as of day 237-20:10 due to problems with the DAS that are yet to be determined.

2006.03.29

The station is back up as of about 2006:088-07:28 (Mar. 28) after the station operator power cycled the DAS.

2006.03.20

The station is down due to problems with the DAS that are yet to be determined.

2006.02.27

The vertical channels for the KS-54000 seismometer are out due to a faulty RT303 circuit board in the DAS.

2005.08.29

The station is up after an IDA engineer visited the site and replaced the UPS, ISP, and CPU board in the DAS, and restored power to the station.

2005.05.24

The station is down as of May 12. The station operator reported the station being burgled, has notified local authorities and and is checking station equipment for damages and theft.

2005.04.06

The station is back up after the station operator replaced a blown fuse.

2005.04.05

The station is down due to power problems following a thunderstorm.

2005.03.08

The station was upgraded by an IDA engineer. Upgrades included a new telemetry VSAT system, NRTS computer, and station power supply.

2004.10.03

Station is back up after an IDA engineer replaced the CPU, COM, DSP, power supply, and 24-bit A/D boards in the DAS. Data acquisition for the BB* channels resumed day 273-16:25(Sept. 29). Telemetry is down for reasons yet to be determined.

2004.08.23

The 24-bit A/D boards (BB* channels) failed as of day 212 (July 30). Telemetered data is coming in but only for 16-bit data. The DAS is frequently rebooting for reasons yet to be determined.

2004.07.12

No telemetry data are available for the past 7 days and data logger is complaining “No data from DAS”. Station operator has been asked to power cycle the digitizer.

2004.06.21

Station is up after the station operator power cycled the digitizer.

2004.06.14

Station is down. Failure of the digitizer is suspected. Station operator has been notified.

2004.05.27

Electricity has been restored at the station.

2004.05.21

Station lost power. Station operator is working on the problem.

2004.05.17

The station operator replaced the faulty CPU/COM circuit boards and DAT tape drive and power cycled the digitizer. Data from BBE and BBZ are restored since 2004:137-09:00.

2004.05.08

Two of the 24 bit A/D boards (BBE and BBZ) are not acquiring data since 2004:129-08:20. Station operator has been notified.

2003.11.19

Vertical channels from the KS-54000 sensor are back on scale after the station operator swapped RT303 cards from the channel 1 (bhn) to the channel 0 (bhz) slot in the digitizer. Data restored as of 2003:322-05:56 (11/18).

2003.10.20

Station operator reset the DAS (10/15). However, vertical channels from the KS-54000 sensor remain clipped.

2003.10.06

Vertical channels from the KS-54000 sensor are clipped. The station operator requested to reset the DAS (10/02).

2003.08.28

Connection to the station reestablished with NRTS data coverage beginning day 199 (July 18,2003).

2003.07.21

Telemetry down as of 2003:190-20:14 (July 9, 2003). Currently investigating internet service connection to the station.

2003.06.17

DAT drive failed 2003.06.16, operator requested to change drive within the next couple of days.

2003.05.23

BBZ channels out as of station volume 419 (2003:122-04:33:11), DAS rebooted 2003:143-17:57:21, BBZ channels restored.

2003.05.16

BBZ channels back @ 2003:114-19:22 (April 24,2003), after DAS reset.

2003.03.24

The output of the KS-54000 vertical sensor is no longer in the operating range of the DAS following a power reset of the system. The problem is being addressed as a maintenance issue.

2003.02.11

IDA engineers. Among the tasks accomplished during this visit were: 1. The KS-54000 was reinstalled in sand and a problem with data from the EW sensor fixed by replacing the DAS’ EW A2D card. 2. The CMG-3T was replaced. 3. The telemetry connection was restored by replacing the modem and by requesting the local telephone company to repair the line to the station’s equipment.

2003.01.22

New EPROMs installed to correct DSP problem.

2002.04.22

Data from the KS-54000 EW sensor and CMG-3T EW sensor are non-seismic. A site visit is required to address these problems.

Telemetry is down. A replacement modem will be shipped to the station shortly.