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Location Summary

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Networks (1 time spans)

II 1986-01-01 2599-12-31

Station Epochs (1 time spans)

ASCN 1994-10-01 2599-12-31

II : ASCN (1994-10-01 - 2599-12-31)

Network

Map DOI

Station

ASCN

Map

Site Name

Butt Crater, Ascension Island

Start

1994-10-01T00:00:00 (274)

End

2599-12-31T23:59:59 (365)

Data Center

IRISDMC

Latitude

-7.9327

Longitude

-14.3601

Elevation (m)

173.0

Instruments

2024-07-01T00:00:00 (183) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
10	Quanterra Q330-HR digitizer VCO 0.1Hz IRISDMC \| VEA 0.1Hz IRISDMC \| VEC 0.1Hz IRISDMC \| VEP 0.1Hz IRISDMC \| VKI 0.1Hz IRISDMC
2024-05-17T17:00:00 (138) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
10	Streckeisen STS-5A Seismometer BH1 40.0Hz IRISDMC \| BH2 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC LH1 1.0Hz IRISDMC \| LH2 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VH1 0.1Hz IRISDMC \| VH2 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC \| VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC
2017-05-19T00:00:00 (139) - 2024-05-17T16:59:59 (138)
Location Code	Instruments / Channels
10	Nanometrics Trillium 120 (Type A) Posthole BB Seis BH1 40.0Hz IRISDMC \| BH2 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC LH1 1.0Hz IRISDMC \| LH2 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VH1 0.1Hz IRISDMC \| VH2 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2016-05-12T00:00:00 (133) - 2017-05-18T23:59:59 (138)
Location Code	Instruments / Channels
10	Nanometrics Trillium 120 (Type A) Posthole BB Seis BH1 40.0Hz IRISDMC \| BH2 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC LH1 1.0Hz IRISDMC \| LH2 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VH1 0.1Hz IRISDMC \| VH2 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2013-09-07T12:00:00 (250) - 2016-05-11T23:59:59 (132)
Location Code	Instruments / Channels
10	Nanometrics Trillium 120 (Type A) Posthole BB Seis BH1 40.0Hz IRISDMC \| BH2 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC LH1 1.0Hz IRISDMC \| LH2 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VH1 0.1Hz IRISDMC \| VH2 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2013-09-07T12:00:00 (250) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
10	Paroscientific microbarograph LDO 1.0Hz IRISDMC
2013-09-07T12:00:00 (250) - 2024-05-17T16:59:59 (138)
Location Code	Instruments / Channels
10	Nanometrics Trillium 120 (Type A) Posthole BB Seis VMU 0.1Hz IRISDMC \| VMV 0.1Hz IRISDMC \| VMW 0.1Hz IRISDMC
2012-09-04T22:10:00 (248) - 2013-09-07T11:59:59 (250)
Location Code	Instruments / Channels
10	Guralp CMG-3T Seismometer VM1 0.1Hz IRISDMC \| VM2 0.1Hz IRISDMC \| VMZ 0.1Hz IRISDMC
2009-05-22T00:00:00 (142) - 2013-09-07T11:59:59 (250)
Location Code	Instruments / Channels
10	Guralp CMG-3T Seismometer BH1 40.0Hz IRISDMC \| BH2 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC LH1 1.0Hz IRISDMC \| LH2 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VH1 0.1Hz IRISDMC \| VH2 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC
2009-05-22T00:00:00 (142) - 2599-12-31T23:59:59 (365)
Location Code	Instruments / Channels
10	Quanterra Q330-HR digitizer LCE 1.0Hz IRISDMC \| LCQ 1.0Hz IRISDMC
2009-05-22T00:00:00 (142) - 2012-09-04T22:09:59 (248)
Location Code	Instruments / Channels
10	Guralp CMG-3T Seismometer VM1 0.1Hz IRISDMC \| VM2 0.1Hz IRISDMC \| VMZ 0.1Hz IRISDMC
2003-11-08T00:00:00 (312) - 2009-05-21T23:59:59 (141)
Location Code	Instruments / Channels
10	Guralp CMG-3T Seismometer BHE 40.0Hz IRISDMC \| BHN 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC LHE 1.0Hz IRISDMC \| LHN 1.0Hz IRISDMC \| LHZ 1.0Hz IRISDMC VHE 0.1Hz IRISDMC \| VHN 0.1Hz IRISDMC \| VHZ 0.1Hz IRISDMC \| VME 0.1Hz IRISDMC \| VMN 0.1Hz IRISDMC \| VMZ 0.1Hz IRISDMC
1995-06-11T00:00:00 (162) - 2003-11-07T23:59:59 (311)
Location Code	Instruments / Channels
10	Streckeisen STS-2 Seismometer BH1 40.0Hz IRISDMC \| BH2 40.0Hz IRISDMC \| BHZ 40.0Hz IRISDMC \| BL1 40.0Hz IRISDMC \| BL2 40.0Hz IRISDMC \| BLZ 40.0Hz IRISDMC
1994-10-01T00:00:00 (274) - 1995-06-10T23:59:59 (161)
Location Code	Instruments / Channels
10	Streckeisen STS-2 Seismometer BH1 100.0Hz IRISDMC \| BH2 100.0Hz IRISDMC \| BHE 100.0Hz IRISDMC \| BHN 100.0Hz IRISDMC \| BHZ 100.0Hz IRISDMC \| BL1 100.0Hz IRISDMC \| BL2 100.0Hz IRISDMC \| BLE 100.0Hz IRISDMC \| BLN 100.0Hz IRISDMC \| BLZ 100.0Hz IRISDMC

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_CARIBE-EWS	ICG Caribe EWS Reference Network Stations
_FDSN	FDSN network stations
_FDSN-ALL	All FDSN Member Network Stations Available at IRIS DMC
_GSN	Global Seismographic Network stations and arrays
_GSN-BROADBAND	Global Seismographic Network broadband stations
_REALTIME	Stations collected and served in real time at the DMC