The earthquake triggered tsunami warnings across parts of Japan’s Kyushu island
A shallow, magnitude (Mw) 7.1 earthquake hit the southern coast Japan on Aug. 8, according to the U.S. Geological Survey (USGS).
The earthquake occurred at a shallow depth of 15.5 miles (25 km) beneath the Earth’s surface at 4:42 p.m. local time (7:42 a.m. UTC).
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The earthquake epicenter was located approximately 12.4 miles (20 km) northeast of Nichinan, a city on Japan’s southernmost island Kyushu. The USGS reported strong to very strong shaking in the city of Nichinan and other areas of the Miyazaki Prefecture (Figure 1).
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The earthquake triggered a tsunami warning from the Japan Meteorological Agency. The warning predicted waves up to 3.3 feet (1 meter) along the southern coastline of Kyushu; however, reports after the event indicate a small tsunami wave of only 1.6 feet (50 cm).
Reports from Japan indicate relatively minor damage from the Mw 7.1 earthquake on Aug. 8. Japan is home to a number of nuclear power plants, all of which reported that operations have continued as expected without any major signs of damage or disruption. Officials have since lifted all tsunami warnings.
Japan is located on the Pacific Ocean’s Ring of Fire, which is home to many large earthquakes like the one that struck on Aug. 8. Eight earthquakes of Mw 7.0 and larger have occurred within 250 km of the Aug. 8 event in the past 100 years, the largest of which was an Mw 8 event in November of 1941. Other notable, large events in the same area include a Mw 7.5 event in 1961 and most recently, a large earthquake in 2016 that resulted in 40 fatalities.
CoreLogic Hazard HQ Command Central™ will continue to monitor earthquake activity in Japan. As of now, no additional updates are expected.
Contact: Please email [email protected] with questions about the Aug. 8 Mw 7.1 earthquake or any CoreLogic event response notifications. Please visit www.hazardhq.com for updates and information on catastrophes across the globe.
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