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Minor earthquake, 2.8 mag strikes near Morovis in Puerto Rico



Earthquake location 18.2555S, -66.411WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 7 kilometers (4 miles) from Morovis in Puerto Rico. All ids that are associated to the event: pr16272000. Unique identifier: pr16272000. Global time and date of event 28/09/16 / 2016-09-28 01:50:56 / September 28, 2016 @ 1:50 am UTC/GMT. The earthquake was roughly at a depth of 28 km (17 miles). Exact location, longitude -66.411° West, latitude 18.2555° North, depth = 28 km. The temblor was detected at 21:50:56 / 9:50 pm (local time epicenter).

Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Mayagüez, Añasco, Hormigueros. Epicenter of the event was 40 km (25 miles) from San Juan (c. 418 100 pop), 31 km (19 miles) from Bayamón (c. 203 500 pop), 50 km (31 miles) from Carolina (c. 170 400 pop), 35 km (22 miles) from Ponce (c. 152 600 pop), 38 km (24 miles) from Caguas (c. 86 800 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days eighteen and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 1,300,000 minor quakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 7 km S of Morovis, Puerto Rico.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -66.411° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2555° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 28 km Depth of the event in kilometers.
Place 7km S of Morovis, 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 2016-09-28 01:50:56 Time when the event occurred. UTC/GMT
Updated 2016-09-28 02:12:51 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 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 18 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.23985018 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 104.4 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 pr16272000 Id of event.
Event Code 16272000 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr16272000, A comma-separated list of event ids that are associated to an event.

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