MIN - Mt. Lassen Park Headquarters, Mineral, CA, USA

Location

Site is located in Lassen Volcanic National Park, Mineral, California. The instruments were relocated to station MOD in late 1999 due to increasing noise.

The MIN site was first occupied in 1938, with the installation of Wood-Anderson seismographs.

Network

Berkeley Digital Seismic Network (BK)

Geology

Pliocene Volcanic Debris

Borehole Conditions

The instruments are sited in a wooden frame building constructed as a WPA project (circa 1935) for the installation of Wood-Anderson torsion seismometers. The hillside building is partially underground and unheated. The concrete pier is located in the same room as the datalogger and supporting equipment. The seismometers are thermally insulated with 4" of polyurethane foam.

Station Pictures

View of Mt. Lassen Courtesy of the NPS

Typical STS-1 installation

Table of Seismic Instrumentation

	Sensor	Datalogger	SEED Channels	Location
Broadband	Streckeisen STS-1 VBB Feedback Horizontal Seismometer	Q935	BH?,HH?,LH?,UH?,VH?
	Streckeisen STS-1 VBB Feedback Vertical Seismometer	Q935	BH?,HH?,LH?,UH?,VH?
Accelerometer	Kinemetrics FBA-23 Accel. (2 g max 1.25 v/g)	Q935	BL?,HL?,LL?

Waveforms and associated metadata are available at the Northern California Earthquake Data Center (NCEDC).

Waveform Data

• BK Information Directory, including
  • List of station locations
  • List of available channels
    • Year/month/day format
    • Year,doy format
  • Instrument Response
    • SEED format
    • Simplified Responses

• Querying the archives
  • SeismiQuery at the NCEDC
• Download waveform data

Noise Analysis

View more noise plots