A strong 8.2-magnitude earthquake has hit the northwest coast of Chile, killing at least six people and setting off a small tsunami.
智利西北海岸发生里氏8.2级强烈地震，造成至少6人死亡，并引发小海啸。
Before the moderately strong earthquakes in the region there are frequent seismic activity with magnitude of 4 or so and small earthquake swarms.
华南地区在中强震发生前有4级左右地震频繁活动和小震群频发的特点。
1993 - A magnitude 7.8 earthquake off the shore of Hokkaido, Japan launches a devastating tsunami, killing 202 on the small island of Okushiri.
1993年的今天， 日本北海道海岸发生里氏7.8级的地震，引发了一场毁灭性的海啸，造成202人丧生。
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