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Minor earthquake, 2.8 mag has occurred near San Juan in Puerto Rico


Earthquake location 19.1016S, -66.146WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Tuesday, 70 kilometers (43 miles) from San Juan in Puerto Rico. Date and time of earthquake in UTC/GMT: 18/01/17 / 2017-01-18 03:37:21 / January 18, 2017 @ 3:37 am. The earthquake occurred at a depth of 26 km (16 miles) below the earth’s surface. Exact location of earthquake, longitude -66.146 West, latitude 19.1016 North, depth = 26 km. The temblor was picked up at 23:37:21 / 11:37 pm (local time epicenter). All ids that are associated to the event: pr17018001. Unique identifier: pr17018001.

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 71 km (44 miles) from San Juan (c. 418 100 pop), 73 km (45 miles) from Levittown (c. 29 800 pop), 73 km (46 miles) from Cataño (c. 28 100 pop), 73 km (45 miles) from Dorado (c. 13 100 pop), 76 km (47 miles) from Campanilla (c. 7 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Candelaria Arenas, Campanilla, Ceiba (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days eleven, in the past 30 days fourteen and in the last 365 days one hundred and ninety-two earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 70 km N of San Juan, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.146° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.1016° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26 km Depth of the event in kilometers.
Place 70km N of San Juan, Puerto Rico Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-01-18 03:37:21 Time when the event occurred. UTC/GMT
Updated 2017-01-18 07:43:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status REVIEWED Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 121 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network pr The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pr, A comma-separated list of network contributors.
Number of Stations Used 8 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.79051745 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.23 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 284.4 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Md The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID pr17018001 Id of event.
Event Code 17018001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr17018001, A comma-separated list of event ids that are associated to an event.

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