Earthquake Fatality Measure Offers New Way to Estimate Impact on Countries

Ruins of Pelileo in Ambato — after the 1949 Ambato earthquake in Ecuador

15 February 2024–A new measure that compares earthquake-related fatalities to a country’s population size concludes that Ecuador, Lebanon, Haiti, Turkmenistan, Iran and Portugal have experienced the greatest impact from fatalities in the past five centuries. The new impact measure, introduced in the Bulletin of the Seismological Society of America by … Continue Reading »

The Seismic Record Now Included in Elsevier’s Scopus

TSR Masthead

8 January 2024–The Seismological Society of America’s journal The Seismic Record (TSR) has been accepted in Scopus®, Elsevier’s comprehensive and multidisciplinary abstract and citation database. Scopus® includes more than 1.8 billion references dating back to 1970, including journals, trade journals, conference proceedings and books. The Scopus® Content Selection & Advisory … Continue Reading »

Morocco Earthquake Had Unusual Deep Slip, According to New Modeling

Aftermath of 2023 earthquake in Taroudant Province, Morocco. | alyaoum24/ Wikimedia Commons

14 December 2023–In their rapid characterization of the magnitude 6.8 Al Haouz earthquake in Morocco, researchers from the U.S. Geological Survey’s National Earthquake Information Center (NEIC) suggest that the earthquake ruptured roughly 25 kilometers deep beneath the surface. The USGS source modeling, published in The Seismic Record, shows a compact … Continue Reading »

Was the Earthquake Induced or Natural? New Study Tests Frameworks to Answer the Question

The town of Peace River, Alberta, seen from the Sagitawa Lookout. | awmcphee/ Wikimedia Common

13 December 2023–Using questionnaires created to determine whether a particular earthquake is natural or induced by human activity, a panel of experts concluded that the November 2022 magnitude 5.2 Peace River earthquake sequence in Alberta, Canada was likely to be induced. The case study published in Seismological Research Letters was … Continue Reading »