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Minor earthquake: M3.07 quake has struck near Hatillo in Puerto Rico


Earthquake location 18.6088S, -66.8771WA minor earthquake magnitude 3.07 (ml/mb) has occurred on Sunday, 14 kilometers (9 miles) from Hatillo in Puerto Rico. Exact location of earthquake, -66.8771° West, 18.6088° North, depth 65 km. Global date and time of event UTC/GMT: 18/02/18 / 2018-02-18 06:46:38 / February 18, 2018 @ 6:46 am. The earthquake occurred at a depth of 65 km (40 miles) below the earth’s surface. Unique identifier: pr2018049004. Ids that are associated to the event: pr2018049004. The 3.07-magnitude earthquake was detected at 02:46:38 / 2:46 am (local time epicenter).

Country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the earthquake was 72 km (45 miles) from Ponce (c. 152 600 pop), 53 km (33 miles) from Mayagüez (c. 78 600 pop), 23 km (14 miles) from Arecibo (c. 49 300 pop), 75 km (47 miles) from Levittown (c. 29 800 pop), 55 km (34 miles) from Vega Baja (c. 29 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Barranquitas, Sabana Seca, Levittown (min 5000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world. In the past 24 hours, there have been two, in the last 10 days eleven, in the past 30 days twenty-nine and in the last 365 days two hundred and eighty-three earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel the quake?

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. 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: 14 km NNW of Hatillo, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.07 mb The magnitude for the event.
Longitude -66.8771° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6088° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 65 km Depth of the event in kilometers.
Place 14km NNW of Hatillo, 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 2018-02-18 06:46:38 Time when the event occurred. UTC/GMT
Updated 2018-02-18 07:45:04 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 145 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 10 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2734 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.42 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 233 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 pr2018049004 Id of event.
Event Code 2018049004 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018049004, A comma-separated list of event ids that are associated to an event.

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