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Minor earthquake: M2.9 quake has struck near Esperanza in Puerto Rico


Earthquake location 18.0296S, -65.3759WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Sunday, 12 kilometers (7 miles) from Esperanza in Puerto Rico. All ids that are associated to the event: pr15270021. Unique identifier: pr15270021. Exact location of earthquake, -65.3759° West, 18.0296° North, depth 14 km. The epicenter of the earthquake was roughly 14 km (9 miles) below the earth’s surface. The temblor was detected at 06:59:57 / 6:59 am (local time epicenter). Date and time of earthquake in UTC/GMT: 27/09/15 / 2015-09-27 10:59:57 / September 27, 2015 @ 10:59 am.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), U.S. Virgin Islands (c. 109 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Trujillo Alto, Saint Croix, Caguas (min 5000 pop). Earthquake epicenter was 73 km (45 miles) from Carolina (c. 170 400 pop), 75 km (46 miles) from Caguas (c. 86 800 pop), 76 km (47 miles) from Trujillo Alto (c. 54 200 pop), 75 km (46 miles) from Saint Croix (c. 50 600 pop), 44 km (27 miles) from Fajardo (c. 34 100 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days eight, in the past 30 days fifteen and in the last 365 days one hundred and twenty-two earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km SE of Esperanza, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -65.3759° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0296° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14 km Depth of the event in kilometers.
Place 12km SE 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 2015-09-27 10:59:57 Time when the event occurred. UTC/GMT
Updated 2015-09-27 11:35:19 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 129 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.18056137 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 219.6 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 pr15270021 Id of event.
Event Code 15270021 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15270021, A comma-separated list of event ids that are associated to an event.

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