Published by CBS News March 20,2018

MIAMI — Construction of the pedestrian bridge that collapsed and killed six people in the Miami area was behind schedule and millions over budget, in part because of a key change in the design and placement of one of its support towers. Documents obtained by The Associated Press through a public-records request show that the Florida Department of Transportation in October 2016 ordered Florida International University (FIU) and its contractors to move one of the bridge’s main support structures 11 feet north to the edge of a canal, widening the gap between the crossing’s end supports and requiring some new structural design.

Engineer flagged “cracking” in Miami bridge 2 days before deadly collapse

The span’s signature, 109-foot-tall pylon was to be built atop a footing, or base, at the northern end of the span. In addition to basic support, its design was also aimed at contributing to the aesthetics of the bridge, which itself was touted as an architectural marvel that would span a busy road and canal to connect the rapidly growing university to the nearby community of Sweetwater. In their winning 2015 proposal, designers said the bridge provided “spectacular views” for both pedestrians using the bridge and drivers passing beneath it. And they added that the tower could serve as a safety feature because it provided an “eagle-eyed location” for additional lighting and security cameras.

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Moderate mag. 5.0 earthquake - New Britain Region, P.N.G. on Thursday, 29 March 2018

Mar 29 07:49: Magnitude recalculated from 4.9 to 5.0.
Hypocenter depth recalculated from 136.0 to 138.0 km.

Date & time: Thu, 29 Mar 07:30:59 UTC
Magnitude: 5.0
Depth: 138.0 km
Epicenter latitude / longitude: 5.37°S / 150.86°E [Map]
Nearest volcano: Walo (19 km)
Primary data source: GFZ

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Data for same earthquake as reported from other agencies

Time Mag. / Depth Location Map Source
Thu, 29 Mar
Thu, 29 Mar 07:30 UTC M 5.0 / 128 km NEW BRITAIN REGION, P.N.G. [Map] EMSC
Thu, 29 Mar 07:30 UTC M 5.0 / 130.7 km – 77km ENE of Kimbe, Papua New Guinea [Map] USGS
Thu, 29 Mar 07:30 UTC M 5.2 / 100 km New Britain Region, PNG [Map] GeoAu

“I felt it” reports:

Earthquake report world-wide for Tuesday, 27 Mar 2018

Tuesday Mar 27, 2018 23:20 PM | BY: EARTHQUAKEMONITOR

World map showing earthquakes above magnitude 3 during the past 24 hours on 27 Mar 2018

Summary: 36 quakes M3+, 16 quakes M4+, 1 quake M5+ (53 total)
Magnitude 3+: 36 earthquakes
Magnitude 4+: 16 earthquakes
Magnitude 5+: 1 earthquake
Magnitude 6+: none
Magnitude 7+: none
Magnitude 8+: none
Magnitude 9+: none List of 10 largest earthquakes in the world (past 24 hours):
M 5.4 quake: 262km ESE of Kodiak, Alaska on Tue, 27 Mar 22h41
M 4.9 quake: Volcano Islands, Japan Region on Tue, 27 Mar 06h39
M 4.9 quake: South Indian Ocean on Tue, 27 Mar 11h39
M 4.9 quake: Tanimbar Islands Reg., Indonesia on Tue, 27 Mar 18h51
M 4.8 quake: South Indian Ocean on Tue, 27 Mar 11h39
M 4.7 quake: South of Fiji Islands on Tue, 27 Mar 09h06
M 4.6 quake: NEW GUINEA, PAPUA NEW GUINEA on Tue, 27 Mar 03h45
M 4.6 quake: Java, Indonesia on Tue, 27 Mar 20h57
M 4.5 quake: 84km WSW of Puerto Madero, Mexico on Mon, 26 Mar 23h21
M 4.4 quake: 257km ESE of Kodiak, Alaska on Tue, 27 Mar 22h16 Largest 20 quakes past 24 hours Largest 20 quakes on Monday, 26 Mar 2018 Complete earthquake list (latest and archive) Previous news

Tuesday, Mar 27, 2018

Monday, Mar 26,

Hollnagel, Erik., Building Research & Information 42, no. 2 (2014): 221-228.

Resilience engineering and the Built Environment provides a brief overview of resilience engineering concepts and how they may apply in technological systems like infrastructure. Since the field of Resilience engineering is dominated by experts in social and systems sciences, the majority of research focuses attention on people, rather than discussing the characteristics of engineered systems and their relationships to the people that operate them. This paper offers a succinct overview of several concepts critical to resilience engineering theory and acts as a primer for each one.

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