Porcupine Dome, AK, USA

Operated by: Alaska Earthquake Center

Latitude: 65.5174 N

Longitude: -145.5246 W

Elevation: 4937.6 feet (1505 meters)

Installed: 1990

Instrumentation at this station includes:

broadband seismometer

PPD is on top of Porcupine Dome, near the Pinnell Mountain Trail in the White Mountains. It was installed in 1990 and upgraded with broadband equipment in 2011. In 2016 the vault was replaced with a USArray-style borehole and new sensor. The station communicates with our lab using a radio shot to a Poker Flat Rocket Range satellite uplink in Fort Yukon. This site is generously hosted by our partners at the Alaska Department of Natural Resources.

The Last 24-Hours

UTC times are 9 hours ahead of Alaska time (8 hrs during daylight savings). Seismogram view is courtesy of the IRIS Data Management Center. For additional views of this stations data:

4-day seismogram
long-term spectogram
noise PDF viewer