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Big quake off New Zealand with tsunami

William Parcher

Show me the monkey!
William Parcher
Joined
Jul 26, 2005
Messages
27,471
CNN said:
A magnitude-7.1 earthquake struck early Friday off the northeastern coast of New Zealand, prompting officials to warn residents to stay off beaches and out of the water...

"The first tsunami activity has arrived. Tsunami activity will continue for several hours and the threat must be regarded as real until this warning is canceled," the ministry said. It warned against boating and sightseeing in the area...
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http://www.cnn.com/2016/09/01/asia/new-zealand-earthquake/index.html
 
bump... 7.5 off Christchurch with first tsunami waves hitting
 
jimbob said:
bump... 7.5 off Christchurch with first tsunami waves hitting
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German weekly Der Spiegel said two hours ago that it was
  • 7.8 according to the German Geo Research Center
  • 7.4 according to USGS
  • 6.6 according to New Zealand sources (not specified)

Let's hope for the least.

ETA: They run some photos of light damage in Wellington (broken glass and stucko, retail wares having fallen out of shelves...). Wellington is really quite far away from the epicenter!
 
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  • Casualties reported, but no confirmed deaths yet
  • Train services halted throughout NZ
  • Interisland Ferries stay off the harbours until damages to terminals can be assessed in daylight
  • Tsunamies possible around both islands, even the far side, but highest waves (3-5) expected between Christchurch and the NE corner of the South Island.

I look with worries at Kaikoura, the place in the world that has fascinated me with its natural beauty like no other on this planet. It sits on an peninsula that sticks out sharply not so far north of the epicenter.
 
Oystein, they seem to have uprated the magnitude at least once. I phoned Dad and he phoned his girlfriend who's on a North facing coast on the East Coast of the North Island, Mt Manganui.

#eqnz is the official hashtag on twitter and Facebook.
 
I think Cullennz is in Wellington, so I hope he's OK, a couple who moved from our village to Christchurch have posted that they've OK.
 
http://www.geonet.org.nz/quakes/felt/strong

This is scary: 8 shocks in the past 8 hours that were felt "severely", 13 more "strongly".

According to Newshub, GeoNet is working out details on a report that the big shake of magnitude 7.5 may have actually been two quakes. I am not sure what that's supposed to mean - quakes in two separate locations at the same time? That would explain why so much of it has been felt up north, if one epicenter was more towards the Blenheim area.
 
Oystein said:
http://www.geonet.org.nz/quakes/felt/strong

This is scary: 8 shocks in the past 8 hours that were felt "severely", 13 more "strongly".

According to Newshub, GeoNet is working out details on a report that the big shake of magnitude 7.5 may have actually been two quakes. I am not sure what that's supposed to mean - quakes in two separate locations at the same time? That would explain why so much of it has been felt up north, if one epicenter was more towards the Blenheim area.
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That's what it felt like to us. I had just gone to bed but was still awake when I felt the swaying motion; like someone gently pushing the bed back and forth. Then it stopped, and I had enough time to think "small tremor" before it started up again, this time really shaking. I got straight out of bed, it was difficult to stand up. The floor was swaying back and forth at a frequency of about 1 second (½ sec in each direction) and it went on for about a minute. It was very frightening, the house was creaking and rattling and a few books fell out of book shelves but no damage to the house..
 
20 minutes ago on the Newshub ticker:
Newshub said:
9:15am: Things going from bad to worse in Wellington. After a number of hefty aftershocks in the capital, the council has revealed that a lot of structural damage has been done to buildings, and that 140km/h are expected today
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High winds might blow glass and other materials into the streets that shook loose from the quake.
 
The annoying thing was Im a woos of a dog owner.

So I let my mini fox terrier sleep in bed with us last night.

All good except I was trying to sleep and the thing kept licking me in the face every 5 minutes to tell me there was another earthquake
 
cullennz said:
The annoying thing was Im a woos of a dog owner.

So I let my mini fox terrier sleep in bed with us last night.

All good except I was trying to sleep and the thing kept licking me in the face every 5 minutes to tell me there was another earthquake
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I'd sleep under the bed in those circumstances...
 
Oystein said:
I'd sleep under the bed in those circumstances...
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You get used to it Wellington.

Though usually not on that scale.

You have to stay on top in the unlikely event the house starts falling apart.

You have to be able to run
 
My in-laws are accounted for except for one, but they're sure he'll show up in a week or two.

Ranb
 
Oystein said:
20 minutes ago on the Newshub ticker:


High winds might blow glass and other materials into the streets that shook loose from the quake.
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I'm in Wellington and none of the streets seem to have shook loose, although the quakes were really scary.

On a more serious note, does anyone think that the present proximity of the moon might have been a factor in the quake?
 
acementhead said:
I'm in Wellington and none of the streets seem to have shook loose, although the quakes were really scary.

On a more serious note, does anyone think that the present proximity of the moon might have been a factor in the quake?
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I was waiting for that.

It's at its closest tonight so RUN!

No I don't

The tides are about as big as it gets gravitationally
 
cullennz said:
I was waiting for that.

It's at its closest tonight so RUN!

No I don't

The tides are about as big as it gets gravitationally
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There is evidence of a weak correlation between quakes and tidal pull, but it is the Sun, not the Moon, that seems to have the most effect.

Recent studies have suggested a link between oceanic tides and some earthquake activity, but proof the gravitational tug of the moon and sun can set off temblors remains elusive
The results reveal that the number of earthquakes with magnitudes between 2.5 and 6.0 on the Richter scale was strongly correlated with two of the four gravitational factors that cause Earth’s tides—one due to the gravitational attraction of the sun, called S2, and the other caused by the combined attraction of the sun and moon, or K1. (These, along with two other effects of lunar gravity, O1 and M2, are largely responsible for ocean tides.)
The team found that earthquakes were around 15 percent more likely to strike at times of the day when the pull of the sun (S2) was strongest, compared with when it was at its weakest.
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