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Minor earthquake 2.8 mag, 11 km WSW of Esperanza, Puerto Rico

Earthquake location 18.0478S, -65.568WA minor earthquake with magnitude 2.8 (ml/mb) was reported 11 kilometers (7 miles) from Esperanza in Puerto Rico on Wednesday. Exact location, longitude -65.568° West, latitude 18.0478° North, depth = 20 km. Event ids that are associated to the earthquake: pr15364002. Id of event: pr15364002. Exact time and date of event in UTC/GMT: 30/12/15 / 2015-12-30 04:35:51 / December 30, 2015 @ 4:35 am. The 2.8-magnitude earthquake has occurred at 00:35:51 / 12:35 am (local time epicenter). The epicenter was at a depth of 20 km (12 miles).

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). The epicenter was 73 km (46 miles) from San Juan (c. 418 100 pop), 73 km (46 miles) from Bayamón (c. 203 500 pop), 55 km (34 miles) from Carolina (c. 170 400 pop), 55 km (34 miles) from Caguas (c. 86 800 pop), 67 km (42 miles) from Guaynabo (c. 81 400 pop). Nearest cities/city/villages to epicentrum/hypocenter was Pájaros, Naranjito, Charlotte Amalie (min 5000 pop).

In the past 24 hours, there have been 0, in the last 10 days two, in the past 30 days eight and in the last 365 days one hundred and nineteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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: 11 km WSW of Esperanza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -65.568° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0478° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 11km WSW 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 2015-12-30 04:35:51 Time when the event occurred. UTC/GMT
Updated 2015-12-30 06:46:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 5 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.05030566 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226.8 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 pr15364002 Id of event.
Event Code 15364002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15364002, A comma-separated list of event ids that are associated to an event.

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