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Minor earthquake, 2.81 mag was detected near Esperanza in Puerto Rico


Earthquake location 17.929S, -65.5075WA minor earthquake with magnitude 2.81 (ml/mb) was reported 19 kilometers (12 miles) from Esperanza in Puerto Rico on Saturday. The 2.81-magnitude earthquake was detected at 22:27:06 / 10:27 pm (local time epicenter). Unique identifier: pr2018035000. Ids that are associated to the event: pr2018035000. Exact location of event, longitude -65.5075 West, latitude 17.929 North, depth = 12 km. The epicenter of the earthquake was roughly 12 km (7 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 04/02/18 / 2018-02-04 02:27:06 / February 4, 2018 @ 2:27 am.

Epicenter of the earthquake was 69 km (43 miles) from Carolina (c. 170 400 pop), 66 km (41 miles) from Caguas (c. 86 800 pop), 71 km (44 miles) from Trujillo Alto (c. 54 200 pop), 47 km (29 miles) from Fajardo (c. 34 100 pop), 64 km (40 miles) from Guayama (c. 21 600 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Charlotte Amalie, Cidra, Aguas Buenas. Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days thirteen and in the last 365 days ninety-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 19 km SSW of Esperanza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.81 mb The magnitude for the event.
Longitude -65.5075° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.929° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12 km Depth of the event in kilometers.
Place 19km SSW of Esperanza, 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 2018-02-04 02:27:06 Time when the event occurred. UTC/GMT
Updated 2018-02-04 03:11:51 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 11 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4024 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 327 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 pr2018035000 Id of event.
Event Code 2018035000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018035000, A comma-separated list of event ids that are associated to an event.

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