Tag Archives: earthquakes

Tonga Shakes. Again.

Posted on January 12, 2015 by

Tonga. It’s an archipelago for the seismic history books. Tonga is in the news again, this time the submarine volcano Hunga Tonga-Hunga Ha’apai was spotted by NASA satellites because the eruptions discoloured the Pacific waters amidst the island kingdom’s 176 … Continue reading →

Posted in Geology, History, How Geophysics Works, Oceans, Plate Tectonics | Tagged , , , , , , , | Leave a comment

Chile Shaking. . . it will happen again, of course

Posted on August 19, 2014 by

Earlier this week, geophysicists reported an analysis of the April 1, 2014, Chilean earthquake which killed six and displaced tens of thousands close to the epicenter near the Peru border. They said the new study is yielding information which may … Continue reading →

Posted in How Geophysics Works, Plate Tectonics | Tagged , , , , | Leave a comment

Who’s Got Mantle?

Posted on August 16, 2014 by

NASA has reprocessed the Apollo missions’ old lunar seismic data. The data is from 1969 through 1977, the latter being recorded by equipment still active long after the last astronaut went home. This is old seismic data. Reprocessed, it tells … Continue reading →

Posted in History, How Geophysics Works, Space | Tagged , , , , , | 1 Comment

Seismic Saves the World

Posted on August 5, 2014 by

Remarkable that we haven’t blown the planet to bits with an atomic bomb.  Not yet, anyway. An atmospheric nuclear test ban went in effect August 5, 1963. Exactly 51 years ago today. And almost 20 years after Hiroshima and Nagasaki … Continue reading →

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Earthquake Prophets

Posted on July 31, 2014 by

South Carolina. Earthquake.  Yes, according to the US Geological Survey, you need to link these two together in your mind. The government has issued a warning to folks in that southeast American state that it’s time to anchor the foundation. … Continue reading →

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Alaska knows something

Posted on July 19, 2014 by

  Alaska is taking credit for proving plate tectonics.  OK, that’s an exaggeration. 50 years ago, in March 1964, an incredibly powerful 9.2 Magnitude earthquake shook Alaska.  We are being told that “the quake proved a theory that was just … Continue reading →

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Goddess Pele is stirring

Posted on July 3, 2014 by

The goddess Pele may be restless again.  It seems that the legendary fire-woman, believed by early Hawaiian islanders to live under the sea and breathe lava into the throats of mountains, may be stirring. According to the ancient legends, the … Continue reading →

Posted in History, How Geophysics Works | Tagged , , , , , | Leave a comment