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Minor earthquake 2.8 mag, 10 km N of Villalba, Puerto Rico


Earthquake location 18.2226S, -66.4858WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Tuesday, 10 kilometers (6 miles) from Villalba in Puerto Rico. The earthquake was roughly at a depth of 36 km (22 miles). The 2.8-magnitude earthquake has occurred at 16:25:58 / 4:25 pm (local time epicenter). Exact time and date of event in UTC/GMT: 08/09/15 / 2015-09-08 20:25:58 / September 8, 2015 @ 8:25 pm. Event id: pr15251008. Ids that are associated to the earthquake: pr15251008. Exact location of earthquake, longitude -66.4858 West, latitude 18.2226 North, depth = 36 km.

Earthquake epicenter was 48 km (30 miles) from San Juan (c. 418 100 pop), 40 km (25 miles) from Bayamón (c. 203 500 pop), 58 km (36 miles) from Carolina (c. 170 400 pop), 27 km (17 miles) from Ponce (c. 152 600 pop), 46 km (29 miles) from Caguas (c. 86 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Aguada, Puerto Real, Aguadilla (min 5000 pop). Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days ten and in the last 365 days one hundred and seventeen earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1,300,000 minor earthquakes in the world each year.

Did you feel the quake?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 10 km N of Villalba, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.4858° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2226° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36 km Depth of the event in kilometers.
Place 10km N of Villalba, 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 2015-09-08 20:25:58 Time when the event occurred. UTC/GMT
Updated 2015-09-08 21:11:10 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 15 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.17157822 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 86.4 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 pr15251008 Id of event.
Event Code 15251008 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15251008, A comma-separated list of event ids that are associated to an event.

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