2021/04/03 10:34 Weathernews
There was an overseas earthquake around 10:17 on Saturday, April 3, Japan time. The epicenter is the South Atlantic Ocean (east of the South Sandwich Islands), and the magnitude of the earthquake is estimated at 6.5.
* The epicenter is the Pacific Tsunami Warning Center (PTWC).
There is no need to worry about tsunami damage from this earthquake.
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Due to this earthquake, sea level fluctuations of up to 0.04 m were observed near the epicenter.
Observed Tsunami Height (announced at 3:28 PM PTWC)
0.78 m from Vanuatu Tanna Island
0.75m Great Barrier Island, New Zealand
0.48m Kingston, Norfolk Island
0.29 m French New Caledonia Uwanne
Tsunami Time to Get There From the US National Oceanic and Atmospheric Administration website.
According to the Pacific Tsunami Warning Center (PTWC), there is a risk of a 0.3 m to 1 m tsunami in the following countries and regions.
According to the Japan Meteorological Agency, the coasts where slight fluctuations in sea level are expected in the country are as follows.
According to the United States Geological Survey’s National Earthquake Information Center (USGS, NEIC), there was a revised Mercalli Intensity Class V tremor peak near the epicenter.
Although a strict comparison is not possible, it appears that the shaking equates to a seismic intensity of 3 to 4 when converted to the Japan Meteorological Agency seismic intensity class.
Since there is no land around the epicenter, it is considered that there is no shock damage.
