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Minor earthquake, 3.09 mag has occurred near Punta Santiago in Puerto Rico


Earthquake location 18.0781S, -65.6718WA minor earthquake with magnitude 3.09 (ml/mb) was reported 12 kilometers (7 miles) from Punta Santiago in Puerto Rico on Thursday. All ids that are associated to the event: pr2018011010. Unique identifier: pr2018011010. Exact location of earthquake, -65.6718° West, 18.0781° North, depth 62 km. Exact time and date of event in UTC/GMT: 11/01/18 / 2018-01-11 14:45:23 / January 11, 2018 @ 2:45 pm. The temblor was picked up at 10:45:23 / 10:45 am (local time epicenter). The earthquake occurred at a depth of 62 km (39 miles) below the earth’s surface.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Vega Alta, Santa Isabel, San Antonio. Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 63 km (39 miles) from San Juan (c. 418 100 pop), 62 km (39 miles) from Bayamón (c. 203 500 pop), 45 km (28 miles) from Carolina (c. 170 400 pop), 43 km (27 miles) from Caguas (c. 86 800 pop), 56 km (35 miles) from Guaynabo (c. 81 400 pop).

In the past 24 hours, there have been two, in the last 10 days nine, in the past 30 days twenty and in the last 365 days one hundred and thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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 Punta Santiago, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.09 mb The magnitude for the event.
Longitude -65.6718° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0781° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62 km Depth of the event in kilometers.
Place 12km SE of Punta Santiago, 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 2018-01-11 14:45:23 Time when the event occurred. UTC/GMT
Updated 2018-01-11 17:01:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 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 147 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 0.4494 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 314 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 pr2018011010 Id of event.
Event Code 2018011010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018011010, A comma-separated list of event ids that are associated to an event.

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