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UPR-Ponce

4:24 a.m. Shakedown: Puerto Rico's M6.4 Quake Forces UPR Ponce to Inspect and Close Multiple Buildings

PRearthquakeemergency notificationmedium confidence

A magnitude-6.4 earthquake struck Puerto Rico at 4:24 a.m. AST on January 7, 2020, centered near Indios in Ponce municipality -- directly beneath the region where UPR Ponce's campus is located. The university, which sits roughly three miles from the epicenter, suspended all classes and operations while engineers conducted structural inspections. Buildings including the Adelina Coppin Alvarado Library, the Ruth Fortuno de Calzada academic building, and the Student Affairs Deanship sustained damage requiring FEMA-funded repairs. Students participated in visual inspection brigades alongside faculty engineers.

Alerts
3
Response
Killed
Injured
Institution
University of Puerto Rico, Ponce
Territory · PR
~3,000 studentsUPR Ponce Emergency System
Confirmed Timeline

Alert Sequence

3 messages in sequence

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTEmail
Approximate reconstruction476 chars
UPR Ponce Emergency: A major earthquake of magnitude 6.4 struck Puerto Rico at 4:24 AM today. The campus is closed until further notice for structural safety inspections. All classes and activities are cancelled. Students, faculty, and staff are advised not to enter campus buildings until clearance is issued by structural engineers. Residents in low-lying coastal areas should be alert for tsunami advisories. We will communicate updates through official UPR Ponce channels.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

Atlantic Standard Time (UTC-4) applies year-round to Puerto Rico, which does not observe daylight saving time; the mainshock occurred at 4:24 a.m. AST on January 7, 2020.
The UPR Ponce campus is located approximately 4-5 km from the epicenter near Indios, making it one of the closest academic institutions to the 2020 Puerto Rico mainshock.
A tsunami advisory was issued by NOAA following the 6.4 earthquake but was subsequently cancelled after no significant wave activity was detected.
UPDATEEmail
Approximate reconstruction484 chars
UPR Ponce Update: Structural engineers and faculty are conducting visual inspections of all campus buildings. Several buildings, including the library and academic building, have sustained damage and are closed pending repair assessment. Students are participating in inspection brigades alongside qualified engineers to document building conditions. Academic operations remain suspended. The university will communicate the timeline for phased reopening as inspections are completed.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The FEMA funding documentation identifies the Adelina Coppin Alvarado Library, the Ruth Fortuno de Calzada academic building, and the Student Affairs Deanship building as among the structures requiring repair at UPR Ponce.
FEMA ultimately obligated approximately $716,700 to UPR Ponce for earthquake repairs -- a fraction of the systemwide $130.6 million allocated across all UPR campuses.
Student participation in inspection brigades is documented in reporting about UPR campus responses to the earthquake sequence, reflecting the educational value of real-world damage assessment for engineering students.
ALL CLEAREmail
Approximate reconstruction488 chars
UPR Ponce: Following structural inspections and initial stabilization work, the University of Puerto Rico at Ponce will resume limited academic operations. Buildings that have been cleared by structural engineers may be accessed by faculty and students. Certain buildings remain closed pending repair. The revised academic calendar for the Spring 2020 semester will be communicated to all students and faculty. We thank you for your patience during this period of assessment and recovery.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The phased reopening is consistent with the documented approach at other UPR campuses, where buildings were cleared individually rather than in a single institutional reopening.
Puerto Rico's ongoing seismic sequence -- which began December 28, 2019 and continued through 2020 with thousands of aftershocks -- meant campus conditions remained uncertain throughout the reopening period.
The spring 2020 semester was subsequently further disrupted by the COVID-19 pandemic beginning in March 2020, creating a compounding emergency for all UPR campuses.
Context

Background

The University of Puerto Rico at Ponce, with approximately 3,000 students, sits in the municipality of Ponce in Puerto Rico's southern coastal region -- the area most severely affected by the 2019-2020 earthquake sequence. The mainshock of M6.4 struck at 4:24 a.m. on January 7, 2020, centered near Indios approximately 4-5 km from the UPR Ponce campus. Ponce experienced ground acceleration exceeding 50 percent of gravity, and over 25 percent of damaged schools in the affected region required closure. The earthquake sequence began December 28, 2019 and produced over 9,400 events through mid-January 2020. UPR Ponce campus sustained damage to multiple buildings, including the library and academic structures, requiring FEMA-funded repairs totaling approximately $716,700. Students at the campus participated in visual inspection brigades alongside faculty and professional engineers -- a civic-academic collaboration that documented building damage across the region. The 2020 earthquake impact was compounded by Hurricane Maria's 2017 damage, leaving UPR Ponce in the midst of a third successive major disruption when the COVID-19 pandemic arrived in March 2020.
Analysis

Key Findings

The UPR Ponce campus sits approximately 4-5 km from the January 7, 2020 M6.4 mainshock epicenter, making it one of the UPR campuses closest to the disaster's origin
FEMA documented specific buildings damaged at UPR Ponce: the library, an academic building, and the Student Affairs Deanship, with repairs funded at approximately $716,700
Students participated in formal structural inspection brigades alongside faculty engineers, turning the disaster into a documented engineering education exercise
UPR Ponce faced three successive major disruptions from 2017-2020: Hurricane Maria, the earthquake sequence, and then COVID-19 beginning just weeks after campus reopened
Provenance

Sources

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  4. News
Tags
earthquakepuerto-ricoterritorybuilding-damagecampus-closurefemaponce2020-earthquake-sequencestructural-inspectionhsi
Added May 2026Updated May 2026Via ingestion