Earthquakes have a well-known and easily recognizable connection to volcanoes. The sudden onset of ground shaking can indicate near-term or imminent volcanic activity. Volcanic tremors, however, are difficult to detect. These are semi-continuous seismic or acoustic signals, or both, that continue for just a few seconds or persist for a year or more. They, like earthquakes, carry […]
In a recent paper, scientists wrote that a small population of polar bears living off Greenland and Arctic Canada increased by 1.6 times when they compared the numbers from the 1990s to 2013 and 2014. They concluded that lighter sea ice might have benefitted the animals. That’s because sunshine penetrates thinner ice better, which stimulates […]
The U.S. Geological Survey recently awarded the Alaska Earthquake Center a $2.85M one-year award to operate and strengthen Alaska’s earthquake monitoring system. The AEC at the University of Alaska’s Geophysical Institute has worked daily with the USGS on earthquake issues since the first MOU was signed in 1987. “The importance of this current award is […]
[dropcap]A[/dropcap]n earthquake with the preliminary measurement of 5.7 magnitude occurred at 9:21 am on the western shores of Cook Inlet near Chinitna Bay according to USGS Wednesday morning. The short shaker occurred at a depth of 90.4 miles 55 miles east of Iliamna. The quake was felt throughout the Cook Inlet region by residents. No damage was […]