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Minor earthquake, 2.8 mag strikes near Tallaboa in Puerto Rico



Earthquake location 17.9592S, -66.6997WA minor earthquake magnitude 2.8 (ml/mb) strikes 4 kilometers (2 miles) from Tallaboa in Puerto Rico on Thursday. The earthquake was roughly at a depth of 34 km (21 miles). Exact time and date of earthquake 22/10/15 / 2015-10-22 04:18:00 / October 22, 2015 @ 4:18 am UTC/GMT. The 2.8-magnitude earthquake has occurred at 00:18:00 / 12:18 am (local time epicenter). Id of earthquake: pr15295001. Event ids that are associated: pr15295001. Exact location of earthquake, longitude -66.6997 West, latitude 17.9592 North, depth = 34 km.

Closest city/cities/towns to epicentrum/hypocenter was Levittown, Guaynabo, Bayamón (min 5000 pop). Event epicenter was 75 km (47 miles) from Bayamón (c. 203 500 pop), 11 km (7 miles) from Ponce (c. 152 600 pop), 75 km (47 miles) from Caguas (c. 86 800 pop), 76 km (47 miles) from Guaynabo (c. 81 400 pop), 54 km (33 miles) from Mayagüez (c. 78 600 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days four and in the last 365 days fourty-nine 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.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 4 km SSE of Tallaboa, 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 -66.6997° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9592° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34 km Depth of the event in kilometers.
Place 4km SSE of Tallaboa, 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 2015-10-22 04:18:00 Time when the event occurred. UTC/GMT
Updated 2015-10-22 04:42:16 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 14 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.12127256 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 180 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 pr15295001 Id of event.
Event Code 15295001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr15295001, A comma-separated list of event ids that are associated to an event.

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