Sunday, November 13, 2016

Earthquakes and the Active Ring of Fire

[CNN] New Zealand: 7.8-magnitude quake rocks south, triggers tsunami A powerful 7.8-magnitude earthquake has rocked New Zealand's South Island, triggering a tsunami as people fled buildings in a panic and were told to seek higher ground.
The quake struck around 50 kilometers (around 30 miles) northeast of the city of Christchurch just after midnight local time on Monday, the US Geological Survey reported. Waves of 2.49 meters above usual tide levels were measured near the epicenter by the Pacific Tsunami Warning Center (PTWC).
The country's entire east coast is at threat of dangerous waves, the New Zealand Civil Defense said on Twitter in an advisory, adding that initial waves may not be the largest and that they could continue for several hours. "Move inland or to higher ground immediately," the warning said
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[FOCUS] Magnitude 5.1 Earthquake jolts Eastern Taiwan
A magnitude 5.1 earthquake shook eastern Taiwan at 6:25 a.m. Saturday, according to the Central Weather Bureau (CWB). The quake's epicenter was located at sea about 50 kilometers east of Yilan County Hall at a depth of 21.6 km, the bureau's data showed.
The quake's intensity, which gauges the actual effect of a temblor, was highest in the county's Su'ao Township and Yilan City, where it measured 2 on Taiwan's 7-tiered intensity scale.
It was felt at an intensity of 1 in several areas in eastern, central and northern Taiwan, including Taipei. No injuries were reported.

Strong earthquake strikes off Japan’s east coast
The Washington Post The U.S. Geological Survey is reporting a strong earthquake has struck just off the east coast of Japan. Read the full story