[24] In the first month of the sequence there were a total of 11 M ≥5 earthquakes and a further 82 in the range M 4–4.9. Puerto Rico Earthquake Knocks Out Power and Collapses Homes For the second day in a row, a strong earthquake hit Puerto Rico before dawn. Here is the latest aftershock forecast for the M 6.4 that occurred January 7, 2020. (Public domain.). The rate of aftershocks will decline over time, but a large aftershock can increase the numbers again, temporarily. Marina. Los hallazgos más importantes del informe incluyen: New Top Story: As Aftershocks Continue in Puerto Rico, USGS Supports Quake Recovery. Photo: Arduengo/Getty Images San Juan was plunged in darkness after a 6.4 magnitude earthquake rattled Puerto Rico early on 7 January, 2020, leaving the island largely without power. On the upper slope and shelf the current style of faulting is extensional with a series of WSW-ENE trending normal faults, such as the Ponce Fault and the Bajo Tasmanian Fault. Magnitude 3 and above events are large enough to be felt near the epicenter. January 13, 2020 by Armand Vervaeck. 30-Day Aftershock Scenarios (Revised: Jan 12; English | Spanish). These stations can be quickly deployed and send real-time data back to the USGS via cellular telemetry immediately after they are installed. Some of these moderately sized aftershocks (M 5.0+) may cause localized damage, particularly in weak structures. Over the next 7 days there is now only a 3 percent chance of one or more aftershocks larger than M 6.4. Fault traces are shown as lines with the following descriptions: barbed=thrust fault; solid=strike-slip fault with arrows showing relative direction of motion; black and white=normal fault. January 12, 2020 by Armand Vervaeck. It is very unlikely the aftershocks will cease completely within the next month. Before this sequence, within the last 50 years and within 31 miles of the M 6.4 quake’s epicenter, there have been 10 earthquakes M 4.0+. Copy link . Public domain.). Wondering whether it’s too soon to visit Puerto Rico in light of recent events? Smaller magnitude earthquakes (M 3.0+), when at shallow depth, may be felt by people close to the epicenters. Only one of these scenarios will occur. To the south of the island, and south of today’s earthquake, Caribbean plate upper crust subducts beneath Puerto Rico at the Muertos Trough. Scenario Three (least likely):  3 percent chance [same as yesterday]. [18] The $5 million emergency declaration monies were to be spent on emergency services only. Dentro del próximo año, hay una probabilidad del 20-30 por ciento de una réplica tan grande como la principal o mayor. Future aftershocks are likely to be located where aftershocks have already been occurring -- within about 30 kilometers (about 20 miles) of the epicenter of the magnitude 6.4 mainshock. However, there is still a high likelihood of M 3.0+ aftershocks in the coming week; these M 3.0+ quakes may be felt near the epicenters. [5] By 14 January 2020, the vice-mayor of Ponce estimated the cost of the damages so far in her town, one of the towns most severely hit, at $1 billion. Faults outlined in red have a potential to generate a large earthquake. These scenarios represent what could happen from January 11 to February 11, 2020. Geographic Names Information System (GNIS), Mapping, Remote Sensing, and Geospatial Data, As Aftershocks Continue in Puerto Rico, USGS Supports Quake Recovery, USGS Prompt Assessment of Global Earthquakes for Response (PAGER) website. The USGS National Earthquake Information Center is preparing to deploy six portable seismometers to Puerto Rico to supplement the seismometers already part of the Puerto Rico Seismic Network. A series of small earthquakes began hitting Puerto Rico on December 28, with the first major quake, at 5.8 magnitude, coming Monday, January 6. Puerto Rico Earthquake 3rd Update January 7, 2020 - YouTube Puerto Rico has been beset by temblors throughout the week, including a 6.4 magnitude quake Tuesday that killed at least one man, destroyed homes and left most of the island without power. These scenarios represent what could happen from January 11 to February 11, 2020. [11], Power was lost Island-wide immediately after the quake, and was increasingly restored over a period of a week. [41] At least three residential high-rise buildings in Ponce were rendered unusable, leaving the residents homeless. [7] At least one person was killed and several others were injured. Map of the 2020 southwestern Puerto Rico earthquake sequence. Print this page. It also became a collection center for items for the earthquake homeless. The Puerto Rican Government contracted the services of nearly 50 structural engineers to evaluate each public school in the Island for structural stability post-earthquake and to certify them as safe enough to open. Preliminary focal mechanism solutions for the earthquake indicate faulting occurred as the result of slip on either a moderately dipping plane striking just north of west, or on a moderately dipping plane striking just west of south. [28] The parking lot at Auditorio Juan Pachin Vicens was also used as a meeting site. This sequence began with a M 4.7 earthquake late on December 28 and a M 5.0 event a few hours later. Minor earthquake - Puerto Rico - January 13, 2020. We will continue to work diligently to provide timely earthquake information -- such as this aftershock duration report -- to help support and protect the local communities of our nation.”. The damages forced the closing of several downtown streets. Its magnificent houses and historic buildings, often exceeding 10,000 square feet, survived for centuries but were damaged by the January 2020 … At the location of … More detailed findings are in bullets below. The USGS aftershock forecast, updated on Jan. 13, indicates the likelihood of a M 6.0 or larger aftershock over the next 7 days is 8 percent [down 3% from yesterday]. NBC News' Nicole Acevedo has details. The Guanica lighthouse was among the buildings in that town with particular damage. Earthquake forecasts are created using a statistical analysis based on past earthquakes and are presented in terms of probabilities of earthquakes of a given size occurring. If Yes, tell us by using the I FELT IT form behind the earthquake or at the bottom of this page. The January 11, 2020, M 5.9 earthquake southwest of Puerto Rico is the latest in a series of strong earthquakes in the same region over the past 2 weeks. The earthquake, Puerto Rico’s strongest since 1918 leveled buildings and killed at least one man. About sharing. The January 6, 2020, M 5.8 earthquake offshore of southwest Puerto Rico occurred as the result of oblique strike slip faulting at shallow depth. January 24, 2020 by Armand Vervaeck. You can view the aftershock forecast here. Only one of these scenarios will occur. Two portable sensors: a strong motion sensor (to record strong shaking that can be felt) and a broadband sensor (to record weak motion for detecting small earthquakes) buried into the ground to detect earthquakes. Based on our aftershock forecasts, USGS has modeled three possible scenarios for this earthquake sequence as it evolves over the next month. [17][18] On January 12, the day after the January 11 5.9 aftershock, the governor distributed $12 million to six municipalities most affected by the quake. [6] A Mw 5.4 earthquake occurred on May 2 at 11:13 UTC in the same area as the M 6.4 event and with a similar focal mechanism. Puerto Rico se encuentra en una región tectónicamente activa donde los terremotos han ocurrido durante siglos, pero debido a que Puerto Rico no ha experimentado un terremoto de este nivel de impacto desde el 1918, los terremotos recientes, sus réplicas y el daño resultante tomaron por sorpresa a muchos isleños. Scenario One (most likely):  84 percent within the next 30 days, Scenario Two (less likely): 14 percent within the next 30 days, Scenario Three (least likely):  2 percent within the next 30 days. Over the past several weeks, hundreds of small earthquakes have occurred in the Puerto Rico region, beginning in earnest with a M 4.7 earthquake late on December 28 and a M 5.0 event a few hours. [Video] Scientists map the ground failure that occurred due to the Puerto Rico. [34] There was also damage to Logia Aurora, also on C. [40], There were refugees in 28 government-sponsored refugee centers in the southern and central Puerto Rico municipalities of Yauco, Guánica, Ponce, Peñuelas, Guayanilla, Utuado, Maricao, Juana Díaz, Adjuntas, Sabana Grande, San Germán, Lajas, Jayuya and Mayagüez. Puerto Rico earthquake triggers blackout, reports of injuries and at least one dead A powerful 6.4-magnitude earthquake off Puerto Rico’s southwestern coast early Jan. 7 triggered a … There is also a high likelihood of M 3.0+ aftershocks in the coming week; these M 3.0+ quakes may be felt near the epicenters. News Puerto Rico rocked by 5.4 magnitude earthquake. Since the M 4.7 event, over 400 M 2+ earthquakes have occurred in this region, ten of which were M 4+, including today’s M 6.4 event and yesterday's 5.8 quake. [30] "More than 250,000" residents island-wide were left without water and another half a million had no power. The January 6 and 7, 2020, M 5.8 and M 6.4 earthquakes offshore of southwest Puerto Rico occurred as the result of oblique strike slip faulting at shallow depth. Tectonics in Puerto Rico are dominated by the convergence between the North America and Caribbean plates, with the island being squeezed between the two. Published Jan. 7, 2020 Updated Aug. 7, 2020; Minor earthquake - Guanica, Puerto Rico - January 24, 2020. On Jan. 7, a magnitude 6.4 earthquake struck the region at 4:24 am local time (08:24:26 UTC). [10] A 5.9 Mw aftershock on Saturday, January 11, damaged many structures, including several historical buildings as well as modern high-rises in the city of Ponce. Several earthquakes of M <5 occurred over the next few days, followed by a Mw 5.8 event at 10:32 UTC on January 6. image caption The earthquake was the worst to hit the island in more than 100 years. On January 8, the day after the main quake, the Ponce municipal government registered 1,111 residents in city shelters, "not including hundreds more" who drove to government-designated meeting sites, such as Estadio Paquito Montaner, to sleep in their cars. The Reality Not Covered in the Media. Among the structures damaged by this aftershock were the Ponce Servicios municipal government building,[56] Museo de la Masacre de Ponce,[57] Residencia Armstrong-Poventud,[57] and Casa Vives. In InSights Comments 0. A Puerto Rican flag waves on top of a pile of rubble as debris is removed from a main road in Guanica, Puerto Rico on January 8, 2020, one day after an earthquake. El video muestra gráficamente el enjambre de sobre 3,000 terremotos que han afectado a al isla desde diciembre 2019. [33] On January 12, 2020, Puerto Rico governor Wanda Vázquez Garced made a disbursement of $2 million to each of six municipalities most affected by the quake;[19] the monies came from the Puerto Rico State Emergency Reserve Fund. Field Assessment Structural Team (FAST) Lead: Eduardo Miranda, Stanford University. The earthquakes in these scenarios would occur in the areas near where aftershocks are happening now. [8][9], A 5.8 Mw earthquake the previous day caused the destruction of a natural arch, a tourist attraction at Punta Ventana in Guayanilla. It is very unlikely the aftershocks will cease completely within the next month. People in the area affected by the aftershocks may feel shaking from magnitude 3 aftershocks on a daily basis for the next 2 to 6 months. Estimates for other magnitude ranges and time periods can be found in the forecast. Scenario One (most likely): 81 percent chance [+5% from yesterday], Scenario Two (less likely): 17 percent chance [-4% from yesterday], Scenario Three (least likely):  2 percent chance [-1% from yesterday]. Based on our aftershock forecasts, USGS has modeled three possible scenarios for this earthquake sequence as it evolves over the next month. Links to forecasts and scenerios (below) will continue to be updated, however, text in this story will not be updated unless there is significant change to the aftershock behavior or to the USGS response to the earthquake. Rank Magnitude Death toll Location MMI Depth (km) Date Event 1 7.8 0 United States, Alaska … La probabilidad anual de una réplica de magnitud 6 o mayor se mantendrá por encima del 25 por ciento durante 3 meses a 3 años. "El reciente gran terremoto de Puerto Rico y sus réplicas fueron destructivas e inquietantes para la gente en la isla", dijo el director del USGS Jim Reilly. While this is a small probability, if such an earthquake were to occur, it would have serious impacts on communities nearby. Datum & Zeit: Dienstag, 7. Sujeto a actualizaciones. [19][20] Tent cities were set up in five of the hardest-hit towns with space for some 3,200 refugees. Over the past several weeks, hundreds of small earthquakes have occurred in this same region, beginning in earnest with a M 4.7 earthquake late on December 28 and a M 5.0 event a few hours later. Have you felt the shaking? Significant damage is possible. VII (Very strong) 10.0 February 23 2020 Iran–Turkey earthquakes: Listed are earthquakes with at least 10 dead. Using our EQ Report iOS or Android app would even be easier and very informative (links in banner above this text). The January 7, 2020, M 6.4 earthquake offshore of southwest Puerto Rico occurred as the result of oblique normal faulting at shallow depth.

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