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Minor earthquake 2.94 mag, 53 km WSW of Pole Ojea, Puerto Rico


Earthquake location 17.8548S, -67.6785WA minor earthquake with magnitude 2.94 (ml/mb) was detected on Sunday, 53 kilometers (33 miles) from Pole Ojea in Puerto Rico. The temblor was reported at 04:06:25 / 4:06 am (local time epicenter). Global date and time of event UTC/GMT: 03/09/17 / 2017-09-03 09:06:25 / September 3, 2017 @ 9:06 am. Unique identifier: pr2017246002. Ids that are associated to the event: pr2017246002. The earthquake occurred at a depth of 4 km (2 miles) below the earth’s surface. Exact location of event, depth 4 km, -67.6785° West, 17.8548° North.

Event epicenter was 69 km (43 miles) from Mayagüez (c. 78 600 pop), 72 km (44 miles) from San Germán (c. 12 100 pop), 66 km (41 miles) from Hormigueros (c. 11 900 pop), 62 km (39 miles) from Cabo Rojo (c. 10 800 pop), 57 km (36 miles) from Puerto Real (c. 6 200 pop). Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Aguada, Añasco, San Germán (min 5000 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days seventeen and in the last 365 days one hundred and fifty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Questions or comments?

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: 53 km WSW of Pole Ojea, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.94 mb The magnitude for the event.
Longitude -67.6785° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.8548° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4 km Depth of the event in kilometers.
Place 53km WSW of Pole Ojea, 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 2017-09-03 09:06:25 Time when the event occurred. UTC/GMT
Updated 2017-09-03 12:30:45 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 133 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 9 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.5659 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 299 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 pr2017246002 Id of event.
Event Code 2017246002 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2017246002, A comma-separated list of event ids that are associated to an event.

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