News tagged with richter scale

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Experts urge Jamaica to prepare for big quake

A U.S. seismic expert on Wednesday urged authorities in Jamaica to start long-term efforts to prepare for another major earthquake on the island, where the seaside capital was mostly destroyed by a big temblor just over a ...

Mar 28, 2013
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Study warns of more great quakes in the Himalayas

A research team led by scientists from Nanyang Technological University (NTU) has discovered that massive earthquakes in the range of 8 to 8.5 magnitudes on the Richter scale have left clear ground scars in the central Himalayas.

Dec 28, 2012
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Aftershock rocks Iran quake zone

A sharp aftershock registering 5.3 on the Richter scale rocked rural areas around Iran's third city Tabriz on Tuesday just days after twin temblors caused deadly devastation, Iranian scientists said.

Aug 14, 2012
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Report to UK government backs fracking

(AP) -- Exploratory work to extract gas by hydraulic fracturing in England should be allowed to resume even though the technique has caused earth tremors, a report commissioned by the government said Tuesday.

Apr 17, 2012
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English tremors blamed on shale 'fracking'

(AP) -- The only company in Britain using hydraulic fracturing to release natural gas from shale rock said Wednesday that the controversial technique probably did trigger earth tremors in April and May.

Nov 02, 2011
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Dark fireworks on the sun

On June 7, 2011, Earth-orbiting satellites detected a flash of X-rays coming from the western edge of the solar disk. Registering only "M" (for medium) on the Richter scale of solar flares, the blast at first appeared to ...

Jul 12, 2011
4.8 / 5 (9) 12 | with audio podcast