MDA
NC
MDR
03
VM3
MetaData Aggregator
Channel Summary
A
= Open data access
P
= Partially restricted data access
R
= Restricted data access
X
= Data is not available
?
= No availability information
Legend:
A
P
R
X
?
Results limited by date range:
2025-12-16T21:55:00
-
2026-01-15T20:34:00
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Context
Networks (1 time spans)
NC 1966-01-01 2599-12-31
Station Epochs (1 time spans)
MDR 1983-01-09 2599-12-31
Channel Epochs (2 time spans)
VM3 2026-01-15T20:34:00 2599-12-31T23:59:59
VM3 2025-12-16T21:55:00 2026-01-15T20:34:00
NC : MDR : 03 : VM3 (2026-01-15 - 3000-01-01)
Network
NC
Map
DOI
Station
MDR
Map
Location
03
Channel
VM3
Instrument
Mass Position Seismometer
Start
2026-01-15T20:34:00 (015)
End
2599-12-31T23:59:59 (365)
3000-01-01T00:00:00 (001)
Data Center
IRISDMC
NCEDC
Latitude
37.63799
Longitude
-118.83581
Elevation (m)
2214.0
Depth (m)
0.0 (Local depth or overburden)
Azimuth
90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.0167
Units
V
Sensitivity
1.0E12 @ 0.004175 Hz (SEED Stage 0)
IRISDMC Response (
XML
)
IRISDMC metadata changes:
View IRISDMC Metadata Changes
NC : MDR : 03 : VM3 (2025-12-16 - 2026-01-15)
Network
NC
Map
DOI
Station
MDR
Map
Location
03
Channel
VM3
Instrument
Mass Position Seismometer
Start
2025-12-16T21:55:00 (350)
End
2026-01-15T20:34:00 (015)
Data Center
IRISDMC
NCEDC
Latitude
37.63799
Longitude
-118.83581
Elevation (m)
2214.0
Depth (m)
0.0 (Local depth or overburden)
Azimuth
90.0 (SEED convention: Clockwise from north, Z=0, reversed=0)
Dip
0.0 (SEED convention: From horizontal, Z=-90, reversed=90)
Sample Rate (Hz)
0.0167
Units
V
Sensitivity
1.0E12 @ 0.004175 Hz (SEED Stage 0)
IRISDMC Response (
XML
)
IRISDMC metadata changes:
View IRISDMC Metadata Changes
19:37:22
v.1.1.1