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liquefaction
Liquefaction and lateral spread from M6.4 earthquake in Puerto Rico
Liquefaction and lateral spread from M6.4 earthquake in Puerto Rico
Liquefaction and lateral spread from M6.4 earthquake in Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a stream in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a stream in Ponce, Puerto Rico.

lateral spread
Liquefaction and lateral spread near stream in Ponce, Puerto Rico
Liquefaction and lateral spread near stream in Ponce, Puerto Rico
Liquefaction and lateral spread near stream in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a stream in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a stream in Ponce, Puerto Rico.

land movement
Landslide near Ponce, Puerto Rico
Landslide near Ponce, Puerto Rico
Landslide near Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. This landslide was discovered along a neighborhood road near Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. This landslide was discovered along a neighborhood road near Ponce, Puerto Rico.

land movement
House damaged by rock fall in Puerto Rico
House damaged by rock fall in Puerto Rico
House damaged by rock fall in Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a rockfall damage to a house in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a rockfall damage to a house in Ponce, Puerto Rico.

land movement
Rockfall in Ponce, Puerto Rico
Rockfall in Ponce, Puerto Rico
Rockfall in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of rockfall material in the yard of a house in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of rockfall material in the yard of a house in Ponce, Puerto Rico.

land movement
Lateral spread near creek in Ponce, Puerto Rico
Lateral spread near creek in Ponce, Puerto Rico
Lateral spread near creek in Ponce, Puerto Rico

USGS scientists, like Dr. Alex Grant, were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a creek in Ponce, Puerto Rico.

USGS scientists, like Dr. Alex Grant, were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a creek in Ponce, Puerto Rico.

land movement
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

land movement
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

land movement
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

quake damage
Lateral spread and damage to boardwalk in Ponce, Puerto Rico
Lateral spread and damage to boardwalk in Ponce, Puerto Rico
Lateral spread and damage to boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

land movement
House marking in Puerto Rico
House marking in Puerto Rico
House marking in Puerto Rico

Houses were damaged during the M6.4 earthquake that struck Puerto Rico on January 7, 2020. Houses were tagged by local officials for whether they were safe or not.

Houses were damaged during the M6.4 earthquake that struck Puerto Rico on January 7, 2020. Houses were tagged by local officials for whether they were safe or not.

land movement
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

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2020 Puerto Rico Earthquake Sequence (as of Jan. 16, 2020)
2020 Puerto Rico Earthquake Sequence (as of Jan. 16, 2020)
2020 Puerto Rico Earthquake Sequence (as of Jan. 16, 2020)

Earthquakes detected between December 28, 2019 as of January 16, 2020. Subject to updates.

>300 M3+earthquakes recorded*
since Dec. 28, 2019 (within 40km) strong enough to be felt

10 M5+ earthquakes recorded*
since Dec. 28, 2019 (including M6.4) large enough to do damage

Earthquakes detected between December 28, 2019 as of January 16, 2020. Subject to updates.

>300 M3+earthquakes recorded*
since Dec. 28, 2019 (within 40km) strong enough to be felt

10 M5+ earthquakes recorded*
since Dec. 28, 2019 (including M6.4) large enough to do damage

fissure
Lateral spread along road caused by M6.4 earthquake in Puerto Rico
Lateral spread along road caused by M6.4 earthquake in Puerto Rico
Lateral spread along road caused by M6.4 earthquake in Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread along a residential road in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread along a residential road in Ponce, Puerto Rico.

Damaged curb caused in Ponce, Puerto Rico caused by M6.4 quake
Damaged curb caused in Ponce, Puerto Rico caused by M6.4 quake
Damaged curb caused in Ponce, Puerto Rico caused by M6.4 quake

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

land movement
House marking in Puerto Rico
House marking in Puerto Rico
House marking in Puerto Rico

Houses were damaged during the M6.4 earthquake that struck Puerto Rico on January 7, 2020. Houses were tagged by local officials for whether they were safe or not.

Houses were damaged during the M6.4 earthquake that struck Puerto Rico on January 7, 2020. Houses were tagged by local officials for whether they were safe or not.

landslide
Landslide triggered by M6.4 earthquake in Puerto Rico
Landslide triggered by M6.4 earthquake in Puerto Rico
Landslide triggered by M6.4 earthquake in Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a landslide failure along a residential road in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a landslide failure along a residential road in Ponce, Puerto Rico.

land movement
Landslide along road near Ponce, Puerto Rico
Landslide along road near Ponce, Puerto Rico
Landslide along road near Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. This landslide was discovered along a neighborhood road near Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. This landslide was discovered along a neighborhood road near Ponce, Puerto Rico.

land movement
Lateral Spread in Ponce, Puerto Rico
Lateral Spread in Ponce, Puerto Rico
Lateral Spread in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a stream in Ponce, Puerto Rico.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. Here is an example of a lateral spread near a stream in Ponce, Puerto Rico.

land movement
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

land movement
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico
Inspecting boardwalk in Ponce, Puerto Rico

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

USGS scientists were deployed to assess land deformation and movement after a large M6.4 earthquake struck Puerto Rico on January 7, 2020. The boardwalk in Ponce, Puerto Rico was damaged by the quake.

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