The earthquakes in these scenarios would occur in the areas near where aftershocks are happening now. If Yes, tell us by using the I FELT IT form behind the earthquake or at the bottom of this page. Our results do not imply a change in the risk of earthquakes in other parts of Puerto Rico. The rate of aftershocks will decline over time, but a large aftershock can increase the numbers again, temporarily. Based on our aftershock forecasts, USGS has modeled three possible scenarios for this earthquake sequence as it evolves over the next month. Video titulado “Puerto Rico Earthquake Swarm: December 2019 – January 2020” producido por el Pacific Tsunami Warning Center (PacificTWC) y publicado en su canal de YouTube el 2 de febrero de 2020. Based on our aftershock forecasts, USGS has modeled three possible scenarios for this earthquake sequence as it evolves over the next month. 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. 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. [76][77][78], On January 10, USGS and Puerto Rico Seismic Network (PRSN) scientists were working to install six sets of temporary seismometers near the southern coast to augment the existing PRSN instruments. [14], The May 2 M 5.5 earthquake caused further damage to buildings in Ponce. Aftershocks will continue near the mainshock. Terremotos detectados entre diciembre 28, 2019 hasta enero 16, 2020. About sharing. Smaller magnitude earthquakes (M 3.0+), when at shallow depth, may be felt by people close to the epicenters. Marina. 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. Puerto Rico has had: (M1.5 or greater) 20 earthquakes in the past 24 hours 117 earthquakes in the past 7 days; 674 earthquakes in the past 30 days; 7,861 earthquakes in the past 365 days This is the strongest earthquake so far in an Earthquake Swarm that started with a M4.7 5km SE of Guanica on December 28, 2019 at 22:35:37 UTC. Based on our aftershock forecasts, USGS has modeled three possible scenarios for this earthquake sequence as it evolves over the next month. Starting on December 28, 2019,[4] and progressing into 2021, the southwestern part of the island of Puerto Rico was struck by an earthquake swarm,[5] including 11 that were of magnitude 5 or greater. Scenario Two (less likely): 18 percent chance [same as yesterday]. Have you felt the shaking? A large aftershock or new mainshock would, once again, increase the frequency and magnitude of aftershocks. Field Assessment Structural Team (FAST) Lead: Eduardo Miranda, Stanford University. The proximity of these events to Puerto Rico, and their shallow depth, mean that dozens of these events have been felt on land, though with the exception of the latest two earthquakes, the M 6.4 and the M 5.8, none are likely to have caused significant damage. It is very unlikely the aftershocks will cease completely within the next month. Puerto Rico lies at the highly oblique convergent boundary between the Caribbean Plate and the North American Plate. 30-Day Aftershock Scenarios (Revised: Jan 12; English | Spanish). Using our EQ Report iOS or Android app would even be easier and very informative (links in banner above this text). It is very unlikely the aftershocks will cease completely within the next month. The January 6 earthquake, and other recent nearby events, are occurring in the offshore deformation zone bound by the Punta Montalva Fault on land and the Guayanilla Canyon offshore. Visit the USGS event page for more information. The figure above shows the distribution of seismicity southwest of Puerto Rico in December 2019 and January 2020. The Reality Not Covered in the Media. If Yes, tell us by using the I FELT IT form behind the earthquake or at the bottom of this page. [16] Late January 7, FEMA confirmed that US president Donald Trump had issued a (non-disaster[17]) emergency declaration with a $5 million cap. The US Geological Survey said the recent earthquake was an aftershock of a 6.4-magnitude tremor that struck Puerto Rico in January. On Jan. 7, a magnitude 6.4 earthquake struck the region at 4:24 am local time (08:24:26 UTC). Regardless of scenario, earthquakes will continue to occur for days, months, or potentially years to come. The aftershocks discussed in this report would be located in the same general area as the aftershocks that have already occurred. Travel Alert January 2020: Earthquakes in Puerto Rico. These scenarios represent what could happen from January 18 to February 18, 2020. It is very unlikely the aftershocks will cease completely within the next month. [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. The earthquakes in these scenarios would occur in the areas near where aftershocks are happening now. [31] By January 13 the number of refugees was estimated at around 3,000 Island-wide, but the municipal officials of some local governments believed that figure was probably about right for refugees in just their own single municipalities. 30-day aftershock scenarios [English | Spanish], 2020 Southwest Puerto Rico Earthquake Sequence. Dr. Elizabeth Vanacore talks about the installation of temporary seismic stations in southwest Puerto Rico. Since the M 4.7 event on December 28, 2019, over 500 M 2+ earthquakes have occurred in this region (as of 2PM EST, 01/07/20), 32 of which were M 4+, including the January 6th M 5.8 and the M 6.4 event on January 7th and its aftershocks. “El USGS y nuestros colaboradores en la Red Sísmica de Puerto Rico comenzaron a instalar estaciones sísmicas adicionales poco después del terremoto principal. About 7,500 people have left their homes for other kinds of shelter, including, in some cases, cars and tents. 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. 9 January 2020. [30] "More than 250,000" residents island-wide were left without water and another half a million had no power. – Most important Earthquake … Esta secuencia es muy activa, y las probabilidades de réplicas de magnitud 5 y 6 o mayores permanecen altas ahora y en el futuro. In the past week alone, the Puerto Rico Seismic Network registered 43 “significant” quakes, leaving many people fearful of going home. January 7, 2020 Acting FEMA Administrator Pete Gaynor has been in constant communication and coordination with Puerto Rico Governor Wanda Vazquez. The agency received her request for an emergency declaration from the 6.5 magnitude earthquake that occurred earlier today, and that request is under consideration. Esta animación muestra dos […] [30] There were also rock and landslides. Earthquake symbols are sized by magnitude and colored according to the time of the earthquake relative to December 28, 2019. USGS scientists Thomas L. Pratt and Alena L. Leads, along with Dr. Elizabeth Vanacore, associate research professor at University of Puerto Rico, analyze data in earthquake monitoring and recording equipment amid aftershocks across the island's southern coast. Using our EQ Report iOS or Android … Changes in the behavior of the aftershock sequence, including the occurrence of a new large aftershock, could require new estimates. [23], The sequence began on December 28, 2019 with a Mw 4.7 earthquake, followed closely by a Mw 5.0 event in the early hours of December 29. [32], On January 7, the Puerto Rican government made available $130 million in aid. It is very unlikely the aftershocks will cease completely within the next month. These scenarios represent what could happen from January 12 to February 12, 2020. 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. Historical seismicity in the region can be searched here. Staying at the El San Juan. A much less likely scenario than the previous two scenarios is that recent earthquakes could trigger an earthquake significantly larger than the M 6.4 that occurred Jan. 7, 2020 (i.e., M 7.0 and above). All red stars with a date before the 20th century show the intensity center (MI) for that earthquake. "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. These scenarios represent what could happen from January 14 to February 14, 2020. 30-Day Aftershock Scenarios (Revised: Jan 11; Spanish-language version). The preliminary location of today's 6.4 earthquake is within about 7.5 miles (12 km) of the January 6, 2020, M 5.8 earthquake. [25] As of May 2, after a further two M>4 shocks in the same area, the total number of earthquakes in the sequence of M>3 exceeded 1,000 and there had been 95 of M>4. It is highly likely that there will be many smaller earthquakes (M>3) over the next 1 Week. Scenario Two (less likely): 16 percent chance [-5% from yesterday], Scenario Three (least likely):  3 percent chance [0% from yesterday]. Within the next year, there is a 20-30 percent chance of an aftershock as large as the mainshock or larger. These scenarios represent what could happen from January 9 to February 9, 2020. There were more than 3,000 quakes within about 20 miles of the epicenter of Puerto Rico’s quake in January alone, according to the Puerto Rico Seismic Network. The rate of aftershocks will decline over time, but a large aftershock can increase the numbers again, temporarily. Using our EQ Report iOS or Android app would even be easier and very informative (links in banner above this text). Estimates for other magnitude ranges and time periods can be found in the forecast. The earthquakes in these scenarios would occur in the areas near where aftershocks are happening now. This sequence is very active, and the probabilities of magnitude 5 and 6 or greater aftershocks remain high now and into the future. Puerto Rico, Guayanilla offshore, 13 km south of Indios: 6.4 9.0 VIII As a result of the main shock of the 2019–20 Puerto Rico earthquakes, electricity was cut in most of the island and many buildings, including churches, collapsed in the southern part. Los hallazgos más importantes del informe incluyen: New Top Story: As Aftershocks Continue in Puerto Rico, USGS Supports Quake Recovery. [39] By January 10, two additional people had died of medical conditions attributed to the effects of the earthquakes. The earthquakes in these scenarios would occur in the areas near where aftershocks are happening now. Januar 2020 08:24 UTC Magnitude: 6.3 Tiefe: 10.0 km Epizentrum … January 12, 2020 by Armand Vervaeck. 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. These scenarios represent what could happen from January 13 to February 13, 2020. Los pronósticos que se encuentran en este informe se pueden usar como guía para lo toma de decisiones de política pública u otras acciones. “USGS and our partners at the Puerto Rico Seismic Network began deploying additional seismic stations shortly after the mainshock. [16] The White House also approved $5 million in federal emergency relief. Scenario One (most likely): 79 percent chance [-2% from yesterday], Scenario Two (less likely): 18 percent chance [+1% from yesterday], Scenario Three (least likely):  3 percent chance [+1% from yesterday], 30-Day Aftershock Scenarios (Revised: Jan 13; English | Spanish). Print this page. 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. A house in southern Puerto Rico in the municipality of Guánica that was built upon stilts. January 7, 2020: Acting FEMA Administrator Pete Gaynor has been in constant communication and coordination with Puerto Rico Governor Wanda Vazquez. Wondering whether it’s too soon to visit Puerto Rico in light of recent events? The magnitude 6.4 earthquake was widely felt. These scenarios represent what could happen from January 16 to February 16, 2020. [7][6] A Mw 5.9 event was then logged on January 11 at 12:54 UTC. 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. It is very unlikely the aftershocks will cease completely within the next month. Puerto Rico Earthquake Sequence December 2019 to January 2020: Field Assessment Structural Team Early Access Reconnaissance Report. Jul, 2020 By H. Kit Miyamoto, Ph.D., S.E. The map above shows seismicity (orange circles) and seismic monitoring stations (triangles). 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.”. Moderate earthquake - Tallaboa, Puerto Rico - January 7, 2020. image copyright AFP. Office of Communications and Publishing12201 Sunrise Valley DriveReston, VA 20192United StatesPhone: 703-648-4460. , USGS has modeled three possible scenarios for this earthquake sequence as it evolves over the next month. Damage to homes was extensive and, by 14 January, more than 8,000 people were homeless and camping outdoors in various types of shelters, with 40,000 others camping outside their homes, just in the city of Ponce alone. Regardless of scenario, earthquakes will continue to occur for days, months, or potentially years to come. At the location of … [34], By January 14, over 600 soldiers of the Puerto Rico National Guard had set up five tent cities for the homeless, with at least some tents outfitted with air conditioning for the bed-ridden and the elderly, in the towns of Guánica, Yauco, Guayanilla, Peñuelas and Ponce, with facilities for over 3,200 refugees. Scenario Three (least likely):  3 percent chance [same as yesterday]. [51][52] Also severely damaged by the January 7 quake were the La Guancha Recreational and Cultural Complex, which was made inoperable and where 24 establishments had to shut down their operations,[53] and Auditorio Juan Pachín Vicéns. For example, according to its mayor, in the town of Yauco alone, there were 3,200 homes with some degree of damage. This sequence began 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? A sequence of earthquakes occurred.. Search Clearinghouse Resources. "After the devastating Hurricane Maria occurred in Puerto Rico, the federal government invested in rebuilding damaged seismic stations in the region," said USGS Director Jim Reilly. [46], Numerous authorities pointed to the emotional toll on the people, particularly on entire families who had been left homeless. 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. USGS and Puerto Rico Seismic Network (PRSN) experts are on the ground today near the south coast of Puerto Rico, working quickly to install six sets of seismometers that will help seismologists better monitor earthquakes, document the strength of ground shaking, estimate potential earthquake damage, and forecast aftershocks. The location and style of faulting for the event is consistent with an intraplate tectonic setting within the upper crust of the Caribbean plate, rather than on the plate boundary between the two plates. Here is the latest aftershock forecast for the M 6.4 that occurred January 7, 2020. Each symbol represents an earthquake sized by magnitude. Full Title: Communications Status Report for Areas Impacted by Puerto Rico Earthquakes January 10, 2020 Bureau(s): Public Safety and Homeland Security, Media Relations Description: Communications status report for areas impacted by earthquakes in Puerto Rico – Jan. 10, 2020. Only one of these scenarios will occur. Years in boxes next to red outlines are reoccurrence rates. Las personas en el área afectada por las réplicas pueden sentir diariamente temblores de magnitud 3 durante los próximos 2 a 6 meses. The report forecasts aftershock duration potential for up to ten years after the magnitude 6.4 mainshock in southwestern Puerto Rico. A separate Puerto Rico–Virgin Islands microplate has been identified based on GPS observations. Applies for tickets issued on or before January 7, 2020. The current forecast, issued at 15:24 eastern on Jan 7, 2020, estimates that over the next 1 Week there is a 7 percent chance of one or more aftershocks that are larger than magnitude 6.4. This earthquake sequence is consistent with expectations of seismicity in the region. Related Document(s): The USGS aftershock forecast indicates there is a 3% chance of a magnitude 6.4 or larger aftershock over the next 7 days. Es probable que las réplicas futuras se ubiquen donde ya se han producido réplicas, dentro de unos 30 kilómetros (aproximadamente 20 millas) del epicentro del terremoto principal de magnitud 6.4. This photo was taken in Ridgecrest, CA. 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