A huge magnitude-8.8 earthquake struck Chile early on Saturday, killing at least 82 people, knocking down homes and hospitals, and triggering a tsunami that rolled menacingly across the Pacific. TV Chile reported that a 15-story building collapsed in the hardest-hit city of Concepcion, where buildings caught fire, bridges collapsed and cracks opened up in the streets. Cars turned upside down lay scattered on one damaged highway bridge. Residents huddled in streets full of rubble of masonry and glass from destroyed homes. Many were terrified by powerful aftershocks and desperately trying to call friends and family. Tsunami warnings were posted around the Pacific, including the U.S. state of Hawaii, Japan and Russia. Interior Minister Edmundo Perez said 82 people were confirmed dead, and that more deaths were possible, but he didn't expect the toll to rise much higher. Telephone and power lines were down, making it difficult to assess the full extent of the damage close to the epicenter. Chile is the world's No. 1 copper producer, and the quake halted operations at two major mines. "Never in my life have I experienced a quake like this, it's like the end of the world," one man told local television from the city of Temuco, where the quake damaged homes and forced staff to evacuate the regional hospital. The U.S. Geological Survey said the earthquake struck 70 miles (115 km) northeast of Concepcion at a depth of 22 miles (35 km) at 3:34 a.m. (0634 GMT). The capital Santiago, about 200 miles (320 km) north of the epicenter, was also badly hit. The international airport was closed for at least 24 hours as the quake destroyed passenger walkways and shook glass out of doors and windows. Chile's main copper producing region and some of the world's largest copper mines are in the far north of the country near its border with Peru, but there are also major copper deposits near Santiago.
Large earthquakes sometimes cause nearby volcanoes to erupt. Volcanoes within 200 km radius of the earthquake epicenter include: Nevados de Chillan, Resago, Lomas Blancas, Nevado de Longavi, Laguna del Maule, San Pedro-Pellado, Cerro Azul, Descabezado Grande, Calabozos, and Planchon-Peteroa.
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HOW TO READ PROPAGATION NUMBERS
The A index [ LOW is GOOD ]
- 1 to 6 is BEST
- 7 to 9 is OK
- 11 or more is BAD
Represents the overall geomagnetic condition of the ionosphere ("Ap" if averaged from the Kp-Index) (an average of the eight 3-hour K-Indices) ('A' referring to amplitude) over a given 24 hour period, ranging (linearly) typically from 1-100 but theoretically up to 400.
A lower A-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Ap-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.
SFI index [ HIGH is GOOD ]
- 70 NOT GOOD
- 80 GOOD
- 90 BETTER
- 100+ BEST
The measure of total radio emissions from the sun at 10.7cm (2800 MHz), on a scale of 60 (no sunspots) to 300, generally corresponding to the sunspot level, but being too low in energy to cause ionization, not related to the ionization level of the Ionosphere.
Higher Solar Flux generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; Solar Flux rarely affects the 30, 40, 60, 80, & 160 Meter Bands.
K index [ LOW is GOOD ]
- 0 or 1 is BEST
- 2 is OK
- 3 or more is BAD
- 5 is VERY VERY BAD
The overall geomagnetic condition of the ionosphere ("Kp" if averaged over the planet) over the past 3 hours, measured by 13 magnetometers between 46 & 63 degrees of latitude, and ranging quasi-logarithmically from 0-9. Designed to detect solar particle radiation by its magnetic effect. A higher K-index generally means worse HF conditions.
A lower K-Index generally suggests better propagation on the 10, 12, 15, 17, & 20 Meter Bands; a low & steady Kp-Index generally suggest good propagation on the 30, 40, 60, 80, & 160 Meter Bands.
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Do not use this blog site to obtain weather events or disasters information. What I post may not be correct. Always get information from the proper media, weather (NWS)(NOAA)
Pacific Tsunami Warning Center and USGS sites
I am not responsible for any thing that happens to your mental health, computer and all personal property because you visited my site.
This site is a collection of some things sent to me by e-mail, obtained from other blogs and the internet. If there is a picture or quote that is copyrighted to you let me know and I will remove your item .
Thoughts expressed in my blog are just that . I give My Opinion on the many events, products and how too, reported by the media and other web-sites.
Do not use this blog site to obtain weather events or disasters information. What I post may not be correct. Always get information from the proper media, weather (NWS)(NOAA)
Pacific Tsunami Warning Center and USGS sites
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