# 10 C.F.R. § 53.720 (2026): Response to seismic events

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_720

## Section

- **Citation:** 10 C.F.R. § 53.720 (2026)
- **Heading:** Response to seismic events
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 10 CFR: Energy / Chapter I / Part 53 / Subpart F / § 53.720: § 53.720   Response to seismic events.

## Text

If vibratory ground motion exceeding that of the operating basis earthquake Ground Motion or significant plant damage due to vibratory ground motion occurs, the licensee must shut down the commercial nuclear plant. If structures, systems, or components necessary for the safe shutdown of the commercial nuclear plant are not available after the occurrence of this vibratory ground motion, the licensee must consult with the Commission and must propose a plan for the timely, safe shutdown of the commercial nuclear plant. Prior to resuming operations, the licensee must demonstrate to the Commission that those features necessary for continued operation without undue risk to the health and safety of the public or necessary to maintain the licensing basis of the commercial nuclear plant were either not functionally damaged or have been repaired.

## Nearby sections

- [10 C.F.R. § 53.700 (2026) § 53.700   Operational objectives.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_700.md)
- [10 C.F.R. § 53.710 (2026) § 53.710   Maintaining capabilities and availability of structures, systems, and components.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_710.md)
- [10 C.F.R. § 53.715 (2026) § 53.715   Maintenance, repair, and inspection programs.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_715.md)
- [10 C.F.R. § 53.720 (2026) § 53.720   Response to seismic events.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_720.md)
- [10 C.F.R. § 53.725 (2026) § 53.725   General staffing, training, personnel qualifications, and human factors requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_725.md)
- [10 C.F.R. § 53.726 (2026) § 53.726   Communications.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_726.md)
- [10 C.F.R. § 53.728 (2026) § 53.728   Completeness and accuracy of information.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_728.md)
- [10 C.F.R. § 53.730 (2026) § 53.730   Defining, fulfilling, and maintaining the role of personnel in ensuring safe operations.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_730.md)
- [10 C.F.R. § 53.735 (2026) § 53.735   General exemptions.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_735.md)
- [10 C.F.R. § 53.740 (2026) § 53.740   Facility licensee requirements—general.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_740.md)
- [10 C.F.R. § 53.745 (2026) § 53.745   Operator license requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_745.md)
- [10 C.F.R. § 53.760 (2026) § 53.760   Operator licensing.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_760.md)
- [10 C.F.R. § 53.765 (2026) § 53.765   Medical requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_765.md)
- [10 C.F.R. § 53.770 (2026) § 53.770   Incapacitation because of disability or illness.](https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_770.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T10_P53_S53_720. Check the current official text before relying on it. Not legal advice.