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The destruction of ancient Rome - The barbarians were not responsible


Malaga Bay
Sun, 01 Apr 2018 01:04 UTC
Destruction of Rome
© Malaga Bay
Rodolfo Lanciani was an archaeologist who produced "unsurpassed" plans of Ancient Rome.
Rodolfo Amedeo Lanciani (1845 - 1929) was an Italian archaeologist, a pioneering student of ancient Roman topography, and among his many excavations was that of the House of the Vestals in the Roman Forum.

Ancient Rome
© Malaga Bay
Lanciani's great work was the production of a map of the ancient city of Rome.

The work was realized as a set of 46 very detailed maps of ancient Rome issued in 1893-1901, which remains unsurpassed to this day, even if there have been many new discoveries since.

https://en.wikipedia.org/wiki/Rodolfo_Lanciani
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Seismograph

Magnitude 6.8 earthquake hits Bolivia

Carlos Valdez
abcnews.go.com
Mon, 02 Apr 2018 19:09 UTC
quake
A powerful 6.8-magnitude earthquake struck Bolivia on Monday, but it was so deep that there were no reports of injuries or damage.

The U.S. Geological Survey said the quake struck at 10:40 a.m. local time (9:40 a.m. EDT; 1340 GMT) and it was centered 205 miles (127 kilometers) southeast of Tarija, Bolivia. The epicenter was 346 miles (557 kilometers) below the surface.

The San Calixto Observatory in La Paz said that it is one of the most powerful quakes on record in Bolivia, but that there was no damage because it was so deep.
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Seismograph

Magnitude 6.1 earthquake hits south of the Fiji Islands

Mohammad Ali
Urdupoint
Mon, 02 Apr 2018 12:54 UTC
quake
An earthquake measuring 6.1 on the Richter scale jolted South of the Fiji Islands on Monday, the US Geological Survey (USGS) said.

An earthquake measuring 6.1 on the Richter scale jolted South of the Fiji Islands on Monday, the US Geological Survey (USGS) said.

The epicenter, with a depth of 83.52 km, was initially determined to be at 24.8965 degrees south latitude and 176.6055 degrees west longitude.
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Seismograph

Massive 6.9 magnitude earthquake strikes off the coast of Papua New Guinea

Hannah Moore
Daily Mail
Fri, 30 Mar 2018 11:43 UTC
A 6.9 magnitude earthquake hit off the coast of Papua New Guinea on Friday morning, sending people running out of buildings and triggering a tsunami warning

A 6.9 magnitude earthquake hit off the coast of Papua New Guinea on Friday morning, sending people running out of buildings and triggering a tsunami warning
A 6.9 magnitude earthquake has struck off the coast of Papua New Guinea, triggering a tsunami warning for nearby coastlines.

The quake struck at a depth of 10km, about 162 kilometres from the town of Rabaul on New Britain Island, about 7.25am on Friday.

There have been no immediate reports of damage or casualties, though one hotel worker told Reuters her guests ran out of the building in fright.

The tsunami warning was later called off.

Little more than a month ago, the country suffered a lethal 7.5 magnitude earthquake.
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Scientists: The bigger the earthquake, the longer it takes to issue an alert

Matt Warren
Science
Fri, 23 Mar 2018 13:00 UTC
Bigger earthquake alerts
© Science
Earthquake early warning systems can give people crucial seconds to move to safety-but only if they send the message in time. Now, scientists working on such systems have discovered that the bigger the tremor, the longer it takes to issue an alert-giving people little time to prepare for the big one, but lots of time to brace for a ho-hum event.

All earthquakes start with P waves, which are fast moving and cause little damage. S waves come next, moving more slowly but causing more destruction. Early warning systems measure ground movement during the fast P waves to predict how much shaking the S waves will cause, and then send out an alert.
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Seismograph

Earthquake swarm hits North Iceland


Iceland Monitor
Tue, 27 Mar 2018 14:15 UTC
Iceland earthquake swarm
© Skjáskot/Veðurstofa Íslands
The earthquakes this morning with the largest shown as a green star on the map.
Almost thirty earthquakes occurred in North Iceland and the ocean north of Iceland last night. The largest earthquake of the swarm occured at 2.30 AM at a magnitude of 3.0. Its origins were around 20 km North East of Siglufjörður.

The swarm began at around 00.30 last night and most of them were at a magnitude of between 1.0 and 2.0. An earthquake of 2.8 occurred North East of Grímsey.

The Iceland Met Office sees no cause for concern but is carefully monitoring events.

Comment: Some other seismic activity from around the world this week includes: See also: Scientists predict upsurge in major earthquakes for 2018 due to slowdown in Earth's rotation

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Seismograph

Powerful shallow earthquake of magnitude 6.6 hits off Papua New Guinea


The Straits Times
Mon, 26 Mar 2018 11:39 UTC
The earthquake struck 180 km west of the town of Rabaul, on New Britain island, at a shallow depth of 10 km, the USGS said.
© USGS
The earthquake struck 180 km west of the town of Rabaul, on New Britain island, at a shallow depth of 10 km, the USGS said.
A shallow 6.6 magnitude earthquake struck off Papua New Guinea on Monday (March 26), the US Geological Survey said, the latest in a series to hit the region in recent days, but there were no immediate reports of casualties or damage.

The quake struck 180km west of the town of Rabaul, on New Britain island, at a depth of 10 km, the USGS said. The quake was initially recorded with a magnitude of 7.0 but was later downgraded. There was no immediate tsunami warning.

"We are okay. No one is injured," said Sylvia Ombul, night desk supervisor at the Kimbe Bay Hotel in the port town of Kimbe, about 140 km to the west of the quake.

Comment: Just 2 days ago: 6.3-magnitude earthquake strikes Papua New Guinea region

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Seismograph

Powerful 6.5 earthquake in the Banda Sea


Volcano Discovery
Sun, 25 Mar 2018 10:43 UTC
LOCATION
Date & time: Sun, 25 Mar 20:14:48 UTC

Magnitude: 6.5

Depth: 181.0 km

Epicenter latitude / longitude: 6.7°S / 129.72°E [Map]

Nearest volcano: Nila (31 km)

Primary data source: GFZ
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Seismograph

Shallow 6.3-magnitude quake strikes Southeast Indian Ridge

huaxia
Xinhua
Sun, 25 Mar 2018 11:51 UTC
graph
An earthquake measuring 6.3 on the Richter scale jolted Southeast Indian Ridge at 19:58:33 GMT on Saturday, the U.S. Geological Survey said.

The epicenter, with a depth of 10.0 km, was initially determined to be at 45.8299 degrees south latitude and 96.099 degrees east longitude.
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Seismograph

6.3-magnitude earthquake strikes Papua New Guinea region


The Straits Times
Sat, 24 Mar 2018 13:18 UTC
The epicentre of the quake was located 180km south-west of Rabaul on New Britain island, some 900km north-east of the capital Port Moresby, at a depth of 68km.
© USGS
The epicentre of the quake was located 180km south-west of Rabaul on New Britain island, some 900km north-east of the capital Port Moresby, at a depth of 68km
A 6.3-magnitude earthquake struck off the north-east coast of an island of the Pacific Ocean nation of Papua New Guinea on Saturday (March 24), officials said, but the tremor posed no tsunami threat to the region.

There were no immediate reports of damage or casualties from the quake, which was centred in a much more remote region than a magnitude-7.5 tremor that rocked the country's mountainous mainland highlands on Feb 26, killing 100 people.

The epicentre of Saturday's quake was located 180km south-west of Rabaul on New Britain island, some 900km north-east of the capital Port Moresby, at a depth of 68km, the US Geological Survey (USGS) said.

The quake was revised down from an initial reading of magnitude 6.8 and a depth of 60km.
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