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U.S. National Science Foundation

Directorate for Mathematical and Physical Sciences
     Division of Astronomical Sciences
     Division of Chemistry
     Division of Materials Research
     Division of Mathematical Sciences
     Division of Physics

Full Proposal Deadline(s) (due by 5 p.m. submitting organization’s local time):

     April 17, 2025

     January 22, 2026

     Fourth Thursday in January, Annually Thereafter

Important Information And Revision Notes

Given the February 2025 release of the first phase of the Carnegie Classification, the eligibility criterion for institutions applying to the NSF solicitation 25-535 is “Institutions not currently classified in the category Research 1: Very High Spending and Doctorate Production”. Please see the program webpage for additional information.

Annual submission deadlines have been changed.

The program synopsis, project description, additional solicitation-specific criteria have been modified.

Any proposal submitted in response to this solicitation should be submitted in accordance with the NSF Proposal & Award Policies & Procedures Guide (PAPPG) that

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Synopsis

Infrastructure systems comprise complex connections between physical components, organizational structures and operational methods that support the needs of people and communities at the local, regional, national, and global scales.  Such systems form the backbone of society, providing essential services as well as ensuring public health and welfare, economic prosperity and national security, and are expected to function under all operational conditions. 

Meanwhile, infrastructure systems are capital intensive and vulnerable to disruptions from extreme events, including natural disasters, social crises, and malicious attacks. Disruptions in one system can have cascading impacts on others in space and over time. Moreover, short- versus long-term trade-offs, unintended consequences, and maladaptation are not often accounted for. How systems function at the “extreme,” which can be due to disruptors from the introduction of innovation, the convergence of technologies, sudden changes to their utilization and access, dramatic changes in operating

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Sun, 10 Aug 2025, 21:00 1754859608 | BY: SEVERAL CONTRIBUTORS

Map of today’s active volcanoes

Satellite image of Kirishima volcano on 10 Aug 2025

Satellite image of Ibu volcano on 10 Aug 2025

Satellite image of Lewotolo volcano on 10 Aug 2025

Satellite image of Semeru volcano on 10 Aug 2025

Krasheninnikov (Kamchatka, Russia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 15 kts in E direction.
The full report is as follows: VA AT 20250810/1140Z FL100 EXTD E OBS VA DTG:10/1140Z to 10000 ft (3000 m)

Klyuchevskoy (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 36000 ft (11000 m) altitude or flight level 360 and is moving at 15 kts in E direction.
The

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