Seismic Network Operations


Kowa, Mali

IU KOWA commences operations on: 1998,067

Country Flag
Host: National Center for Science and Technology Research
Latitude: 14.497
Longitude: -4.014
Elevation: 321
Datalogger: Q330
Broadband: STS-2_High-gain
Accelerometer: FBA_ES-T_EpiSensor_Accelerometer
Telemetry Status at the NEIC: Last Data In Less Than 10 Minutes
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Site Description: Located in the Niger River delta region of the Sahara desert in Mali continent of Africa. KOWA operates as a remote IRIS2 station with the data processor operating at the airport in Sevare and the acquisition unit operating at the Dogon village of Kowa approximately 10k from Sevare. The site uses radio modems for data transmission and solar power. A dialup modem is operational. Internet access is not available at this time. National language is French with 75% of the poulation speaking Bambara.

Vault Condition: 40 meter horizontal tunnel with approx. 10-15 meters of overburden. (solid rock), *Dry and very hot

Site Geology: Sandstone

Location CodeChannel CodeInstrumentFlagsSample RateDipAzimuthDepth
31LDOCI/PAS pressure sensorCW1.
30LDOlower quality chip sensor in Setra boxCW1.
20LNZKinemetrics FBA ES-T EpiSensor AccelerometerCG1.00-
20LN2Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.000.0090.005.00
20LN1Kinemetrics FBA ES-T EpiSensor AccelerometerCG1.
20HNZKinemetrics FBA ES-T EpiSensor AccelerometerTG100.00-
20HN2Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.000.0090.005.00
20HN1Kinemetrics FBA ES-T EpiSensor AccelerometerTG100.
00VMWTrillium 240 broad bandCH0.
00VMVTrillium 240 broad bandCH0.
00VMUTrillium 240 broad bandCH0.
00VHZTrillium 240 broad bandCG0.10-
00VH2Trillium 240 broad bandCG0.100.0090.005.00
00VH1Trillium 240 broad bandCG0.
00LHZTrillium 240 broad bandCG1.00-
00LH2Trillium 240 broad bandCG1.000.0090.005.00
00LH1Trillium 240 broad bandCG1.
00HHZTrillium 240 broad bandTG100.00-
00HH2Trillium 240 broad bandTG100.000.0090.005.00
00HH1Trillium 240 broad bandTG100.
00BHZTrillium 240 broad bandCG40.00-
00BH2Trillium 240 broad bandCG40.000.0090.005.00
00BH1Trillium 240 broad bandCG40.
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Availability, Last 365 Days
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Availablity, Yearly
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Availability, Last 30 Days
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  1. Current Issues
    Replacement STS-2 has either failed or the local operator had issues with the install. The TR240 has been moved to the primary channels (00 location code) until the problem can be resolved.
  2. 2012-08-12
    Since Aug. 12 (2012) timing quality has been bad. A replacement GPS antenna was installed 12 Sept 2014.
  3. 2011-11-05
    Power system repaired and data flow has resumed.
  4. 2011-06-11
    Data flow stopped due to power system failure.
  5. 2011-05-25
    Upgraded to Q330 digitizer.