Earth & Space Weather

Earthquake Report for 10/18/2013

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Submitted by Silver on

By: USGS

www.earthquake.usgs.gov/earthquakes/

27 earthquakes

 

    2.5 16km N of Cabazon, California 2013-10-18 11:29:01 UTC-04:00 12.6 km

    4.5 2km NNE of Al Baqalitah, Tunisia 2013-10-18 11:08:31 UTC-04:00 27.7 km

    2.8 77km NW of San Antonio, Puerto Rico 2013-10-18 10:05:08 UTC-04:00 7.0 km

    5.3 34km SE of Surab, Pakistan 2013-10-18 09:18:22 UTC-04:00 10.0 km

Minor Lunar Eclipse on Friday: How to See It

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Space.com - 10/18/13, Joe Rao

lunar-eclipse-friday-observing-guide

For nearly four hours on Friday, at least some part of the southern portion of the moon will be within Earth's pale penumbra, our planet's faint outer shadow. Penumbral lunar eclipses are rather subtle events that are usually difficult to detect unless at least 70 percent of the moon’s diameter shaded.

So the penumbra may be marginally detectable over the moon’s southernmost limb for just a short period centered on the time of the deepest phase/greatest eclipse (7:50 p.m. EDT, or 2350 GMT, Friday). At that moment, the penumbra will cover 76.5 percent of the lunar disk.

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Three planets, zodiacal light and Milky Way

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Earthsky.org- 10/18/13, Deborah Byrd

Milky Way on left, and faint zodiacal light on right, with planets Venus, Saturn and Mercury in front of the light. Photo taken at Mount Bromo in Indonesia on September 28, 2013 by Justin Ng. Click here to see more photos by Justin Ng.

Milky Way on left, and faint zodiacal light on right, with planets Venus, Saturn and Mercury in front of the light. Photo taken at Mount Bromo in Indonesia on September 28, 2013 by Justin Ng

At one glance, one may think that this image is photoshopped or it’s a composite because it’s simply impossible to see Milky Way galaxy at dusk. But what you’re really seeing here is a single exposure shot of a rare phenomenon, known as zodiacal light (a.k.a. “false dusk”), that I have captured during my recent trip to Mount Bromo in the Southern Hemisphere. Zodiacal light is best seen during spring and autumn, and I chose to visit Mt Bromo a few days after [the Southern Hemisphere's autumnal equinox] as I hoped to capture the zodiacal light along with the 3 planets, 3 volcanoes and a Milky Way galaxy.

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What is a penumbral eclipse of the moon?

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Earthsky.org, 10/18/13, Deborah Bryd

Penumbral lunar eclipse on April 25, 2013

In a penumbral lunar eclipse, only the more diffuse outer shadow of Earth falls on the moon’s face. This third kind of lunar eclipse is much more subtle, and much more difficult to observe, than either a total or partial eclipse of the moon. There is never a dark bite taken out of the moon, as in a partial eclipse. The eclipse never progresses to reach the dramatic minutes of totality. At best, at mid-eclipse, very observant people will notice a dark shading on the moon’s face. Others will look and notice nothing at all.

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Earthquake Report for 10/17/2013

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Submitted by Silver on

By: USGS

www.earthquake.usgs.gov/earthquakes/

21 earthquakes

 

    3.2 26km ESE of Cohoe, Alaska 2013-10-17 15:23:48 UTC-04:00 64.3 km

    3.1 33km N of Fritz Creek, Alaska 2013-10-17 12:32:43 UTC-04:00 87.9 km

    3.6 14km ESE of Hyrum, Utah 2013-10-17 12:19:19 UTC-04:00 11.4 km

    2.7 10km WNW of Shasta Lake, California 2013-10-17 11:41:00 UTC-04:00 22.4 km

    2.6 13km SSE of Volcano, Hawaii 2013-10-17 11:00:33 UTC-04:00 1.8 km

    3.1 19km W of West Bishop, California 2013-10-17 09:45:10 UTC-04:00 13.2 km

    5.4 22km SSE of Lata, Solomon Islands 2013-10-17 07:13:12 UTC-04:00 62.8 km

    4.2 131km S of Puerto El Triunfo, El Salvador 2013-10-17 04:09:20 UTC-04:00 40.0 km

    4.8 84km WSW of Panguna, Papua New Guinea 2013-10-17 02:31:45 UTC-04:00 35.0 km

7.1 magnitude earthquake strikes region of Papua New Guinea

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Submitted by Silver on

By: AP, 10/16/13

Papua New Guinea Earthquake

SYDNEY -- SYDNEY (AP) — A powerful earthquake rocked the South Pacific island nation of Papua New Guinea on Wednesday, officials said. There were no immediate reports of casualties or damage. The U.S. Geological Survey said the earthquake measured magnitude 7.1 and was located 65 kilometers (40 miles) west-southwest of Panguna in Papua New Guinea. It struck at 8:31 p.m. (1031 GMT) at a depth of 58 kilometers (36 miles), it said.

 

For more information visit www.huffingtonpost.com

Earthquake Report for 10/16/2013

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Submitted by Silver on

By: USGS

www.earthquake.usgs.gov/earthquakes/

36 earthquakes

 

    4.7 33km NW of Babana, Indonesia 2013-10-16 12:41:54 UTC-04:00 14.5 km

    4.3 154km NNE of Calama, Chile 2013-10-16 12:28:38 UTC-04:00 139.7 km

    4.4 69km WSW of Akita-shi, Japan 2013-10-16 12:14:49 UTC-04:00 59.6 km

    3.2 77km SSW of Atka, Alaska 2013-10-16 11:43:16 UTC-04:00 13.2 km

    2.9 50km WNW of Nikiski, Alaska 2013-10-16 11:35:04 UTC-04:00 100.0 km

    4.9 1km SW of Duljo, Philippines 2013-10-16 11:32:45 UTC-04:00 20.6 km

    3.4 142km SSE of Cape Yakataga, Alaska 2013-10-16 11:27:19 UTC-04:00 0.5 km

    5.2 12km WNW of Duljo, Philippines 2013-10-16 11:08:27 UTC-04:00 20.3 km

    4.9 248km SSW of `Ohonua, Tonga 2013-10-16 10:59:00 UTC-04:00 10.0 km

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