Al Haouz Province, Morocco – 2023

Earthquake – September 8, Al Haouz Province, Morocco, 6.8-magnitude Earthquake
2.8 million people were affected; more than 59,000 houses were damaged, of which more than 30% collapsed. Earthen homes performed worse than masonry homes, but damage was observed in both types.

Kahramanmaraş, Turkiye – 2023

Earthquake – February 6, Kahramanmaraş, Turkiye, 7.8-magnitude Earthquake
Poor quality of concrete and steel reinforcement, poor rebar detailing, insufficient building separation, weak and/or soft stories and deterioration of structural elements were common vulnerbabilities across residential building types that suffered damage or collapse.

Cianjur, Indonesia – 2022

Earthquake November 21st, Cianjur, Indonesia, 5.6 magnitude Earthquake
School infrastructure in Indonesia is substantially vulnerable as demonstrated in Cianjur and many prior earthquakes. Build Change repaired and retrofit SDN Tamansari school in Cianjur after the earthquake, ensuring that 240 children can go back to learn and play in a safer environment.

Sula Valley, Honduras – 2022

FloodSeptember, Sula Valley, Honduras Flooding
The event validated Build Change’s approach to improving houses in the area to be flood resilient. The homes were previously retrofit and vertically expanded; this enabled owners to save their belongings upstairs and quickly resume their normal lives, even while others were still in the process of cleaning the first stories from mud.

Cabanatuan, Philippines – 2022

Super Typhoon Karding/Noru – September 25, Philippines
Over 1 million people affected and over 50,000 houses damaged. Out of 438 houses that was supported by the disaster resilient housing microfinance loan program none reported damage on their structures.

Khotang, Nepal – 2022

July 31, 6.0 magnitude Earthquake
Newly built stone with mud mortar (SMM) houses with earthquake-resistant elements survived the Khotang earthquake with little or no damage, whereas newly built SMM houses without any horizontal bandages or vertical reinforcement were severely damaged.

Abra, Philippines – 2022

Earthquake – July 27, Abra, Philippines, 7.0 magnitude Earthquake
A structural assessment of various residential and commercial structures in the vicinity of the Bangued area found that most houses without ring beams suffered out of plane damage to the walls, resulting in corner separation and walls that were not stable.

Bohol, Philippines – 2022

Super Typhoon Rai/OdetteDecember 12-22, Philippines
Many homes were severely damaged or destroyed, in particular, houses constructed with timber and other light materials were damaged at high rates. Timber homes with masonry skirt walls rebuilt after the 2013 earthquake were destroyed by the storm.

Boulder, USA – 2021

Marshall Fires – December 31 Boulder, Colorado
The fire’s rapid spread was primarily fueled by airborne flaming debris, exacerbated by the forceful winds prevalent in the area that day. Additionally, the proximity of adjacent buildings and the use of combustible building materials, including wood frame structures with wood/composite siding and asphalt shingles also contributed.

Tiburon Peninsula, Haiti – 2021

August 14, Tiburon Peninsula, Haiti, 7.2-magnitude Earthquake
Extensive damage was noted in residential buildings, schools, police stations and healthcare facilities. The observed damages were primarily attributed to irregular building configuration, such as soft story and vertical irregularity, and compounded by the poor quality of materials, design and construction.

Calabarzon, Philippines – 2021

November 8-15, Philippines Category 4 equivalent Typhoon Vamco/Ulysses
A housing sub-sector study in the first phase of implementing a home strengthening loan product with MFI partner ASHI in the Calabarzon region showed that the single-story masonry houses affected by the storm were in need of repair and strengthening, and also feel within the applicability of the loan product.

Sula Valley, Honduras – 2020

The hurricanes led to floods with water levels surpassing three meters, affecting approximately 4.7 million people. In response, Build Change initiated a climate-resilient housing project, with the primary objective of exploring innovative solutions to allow people to remain safely in their homes during seasonal weather events.

Abaco, Bahamas – 2019

Approximately 75% of dwellings were impacted. The quality of self-built houses varied. Construction costs were noted to be high, attributed to competition from the high-end market and challenges such as import delays and associated costs.

Batanes, Philippines – 2019

Many unreinforced limestone masonry houses totally collapsed during the earthquake and a even reinforced concrete houses suffered out of plane failure of gable wall and wall cracks.

Puerto Rico – 2018

September 6, Category 5 Hurricane Irma
In one- and two-story houses, timber-framed roofs and poor quality or deteriorated timber-framed walls suffered the most damage due to the hurricanes. Timber-framed walls and roofs also detached from the foundation or walls below due to inadequate connections.

Port-de-Paix, Haiti – 2018

October 6, 5.9-magnitude Earthquake
The severe damage to many buildings visited was due mostly to the use of poor construction practices, such as the use of poor-quality material. This was especially common in masonry buildings, where low-strength blocks and the use of sea sand was frequently observed.

Cagayan Valley, Philippines – 2018

September 15, Typhoon Ompong/ Mangkhut
Reconnaissance in Cagagyan and Benguet was performed. Timber houses were the most affected by the storm, particularly light-framed roofs. Concrete block walls of masonry homes where wooden posts were used in the walls instead of reinforced concrete columns were also damaged due to the typhoon.

Terrai Region, Nepal – 2018

Floods in 2017 affected Terai districts such as Morang, Sunsari, Saprari, Siraha, Dhanusa. The effect on houses was more prominent in low areas without proper drainage systems. The houses that had mud mortar foundations were the most affected.