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Minor earthquake: M3.09 quake has struck near Las Marias in Puerto Rico

Earthquake location 18.2638S, -67.0483WA minor earthquake magnitude 3.09 (ml/mb) strikes 6 kilometers (4 miles) from Las Marias in Puerto Rico on Monday. The 3.09-magnitude earthquake was detected at 03:22:06 / 3:22 am (local time epicenter). Exact time and date of earthquake 18/05/20 / 2020-05-18 07:22:06 / May 18, 2020 @ 7:22 am UTC/GMT. Exact location of event, longitude -67.0483 West, latitude 18.2638 North, depth = 8 km. The epicenter of the earthquake was roughly 8 km (5 miles) below the earth’s surface. Id of earthquake: pr2020139010. Event ids that are associated: pr2020139010.

Nearest cities/city/villages to epicentrum/hypocenter was Barranquitas, Corozal, Vega Alta (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). The epicenter was 54 km (33 miles) from Ponce (c. 152 600 pop), 12 km (7 miles) from Mayagüez (c. 78 600 pop), 42 km (26 miles) from Arecibo (c. 49 300 pop), 73 km (45 miles) from Vega Baja (c. 29 300 pop), 58 km (36 miles) from Barceloneta (c. 22 300 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 eight, in the last 10 days seventy, in the past 30 days two hundred and sixty-seven and in the last 365 days two thousand, six hundred and fourty-nine earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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. 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: 6 km WNW of Las Marias, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.09 mb The magnitude for the event.
Longitude -67.0483° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2638° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8 km Depth of the event in kilometers.
Place 6km WNW of Las Marias, 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 2020-05-18 07:22:06 Time when the event occurred. UTC/GMT
Updated 2020-05-20 02:48:29 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 21 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.1072 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 pr2020139010 Id of event.
Event Code 2020139010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020139010, A comma-separated list of event ids that are associated to an event.

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