Pretty dramatic video of the ground swaying in japan

[bngenoh]

http://www.youtube.com/watch?v=Hc8SjDLjdTU&feature=player_embedded#at=113

p.s. Watching this I kind of understand how humanity could have achieved a highly advanced technological level at one point, but then was utterly reset.

 

[Cosmos]

it reminds me of that video: http://www.youtube.com/watch?v=d6jLHjcRwDU

Edit: when I see those videos it's kind of surreal

 

[bngenoh]

when I see those videos it's kind of surreal

Definitely

 

[Ca.]

when I see those videos it's kind of surreal

Definitely

Like a dream that staggers the sense's.

The Marina district was at one time wet lands, With the gold rush era of the 1800's brought with it a boom in population growth, with construction of homes and business, that back then were probably subpar building practices, with little in any thoughts of the consequences. But many would see the destruction of this activity of building on the wetland with back filling the land with what ever, to fill the void.

The result was again seen in 1989 (with building codes having improved) with the San Francisco earthquake, with isolated pockets of the city being destroyed, with he ensuing fires after. Liquefaction was major contributor (in the 1906 quake) as with the one in 1989 in the Marina distract. It is a beautiful city, but living there, can come at a price.

The recent quake in Japan, as to the 1989 tremor are not even comparable do to the magnitude other than the term "Liquefaction"

Aim still quite stunned by all, due to the tremendous loss of so much life.

Marina District wiki
http://en.wikipedia.org/wiki/1989_Loma_Prieta_earthquake

The Marina district was built on filled land made of a mixture of sand, dirt, rubble, waste, and other materials containing a high percentage of groundwater. Some of the fill was rubble discarded after the 1906 San Francisco earthquake but most was sand and debris laid down in preparation for the 1915 Panama-Pacific International Exposition, a celebration of San Francisco's ability to rebound after its terrible catastrophe in 1906.[15] After the Exposition, apartment buildings were erected on the filled land. In the 1989 earthquake, the water-saturated unconsolidated mud and sand suffered liquefaction, and the earthquake's vertical shock waves rippled the ground more severely.[8]