Seismologist Natalia Ruppert says the past five years have seen a spike in recorded seismic activity, including continuing aftershocks from the massive Southcentral Alaska quake in 2018. (via AlaskaBeacon)
Impacts of the 2018 earthquake near Wasilla. Earthquakes had a quieter year in 2022. released by the Alaska Earthquake Center shows a quiet year for earthquakes in 2022. Last year alone, there were over 47,000 earthquakes in Alaska and surrounding regions. The number, while large, is actually a slight decrease in seismic activity compared to recent years, when activity has been high.
near Anchorage, and years of lower activity. But she said the past five years have seen an increased spike in recorded seismic activity. The second reason for increased seismic activity is aftershocks. Alaska has seen a few big-ticket earthquakes in the past five years including an Ruppert said that large-magnitude earthquakes generate more aftershocks, which can carry on for years after the initial earthquake.
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