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Minor earthquake, 2.98 mag was detected near Loiza in Puerto Rico

Posted by admin on April 21, 2018 0 Comments

Earthquake location 18.615S, -65.8863WA minor earthquake with magnitude 2.98 (ml/mb) was reported 20 kilometers (12 miles) from Loiza in Puerto Rico on Saturday. Global date and time of event UTC/GMT: 21/04/18 / 2018-04-21 04:59:08 / April 21, 2018 @ 4:59 am. Exact location of earthquake, -65.8863° West, 18.615° North, depth 64 km. The temblor was detected at 00:59:08 / 12:59 am (local time epicenter). The earthquake was roughly at a depth of 64 km (40 miles). Id of earthquake: pr2018111001. Event ids that are associated: pr2018111001.

Epicenter of the earthquake was 28 km (18 miles) from San Juan (c. 418 100 pop), 37 km (23 miles) from Bayamón (c. 203 500 pop), 27 km (17 miles) from Carolina (c. 170 400 pop), 46 km (28 miles) from Caguas (c. 86 800 pop), 37 km (23 miles) from Guaynabo (c. 81 400 pop). Nearest cities/city/towns to hypocenter/epicentrum was Coco, Coamo, Estancias de Florida (min 5000 pop). Close country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 20 km N of Loiza, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.98 mb The magnitude for the event.
Longitude -65.8863° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.615° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64 km Depth of the event in kilometers.
Place 20km N of Loiza, 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 2018-04-21 04:59:08 Time when the event occurred. UTC/GMT
Updated 2018-04-21 08:33:42 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 137 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.3641 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 271 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 pr2018111001 Id of event.
Event Code 2018111001 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018111001, A comma-separated list of event ids that are associated to an event.

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