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Minor earthquake 2.93 mag, 6 km WSW of Guánica, Puerto Rico


Earthquake location 17.9483S, -66.9631WA minor earthquake with magnitude 2.93 (ml/mb) was detected on Wednesday, 6 kilometers (4 miles) from Guánica in Puerto Rico. The earthquake occurred at a depth of 6 km (4 miles) below the earth’s surface. Event ids that are associated to the earthquake: pr2020197007. Id of event: pr2020197007. Exact location of event, depth 6 km, -66.9631° West, 17.9483° North. The 2.93-magnitude earthquake was detected at 02:59:19 / 2:59 am (local time epicenter). Exact time and date of event in UTC/GMT: 15/07/20 / 2020-07-15 02:59:19 / July 15, 2020 @ 2:59 am.

Nearby country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Earthquake epicenter was 38 km (23 miles) from Ponce (c. 152 600 pop), 34 km (21 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 72 km (45 miles) from Barceloneta (c. 22 300 pop), 15 km (10 miles) from Yauco (c. 20 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Aibonito, Coco, Barranquitas (min 5000 pop).

Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage. In the past 24 hours, there have been fourty-five, in the last 10 days one hundred, in the past 30 days three hundred and nine and in the last 365 days two thousand, five hundred and twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 6 km WSW of Guánica, Puerto Rico. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.93 mb The magnitude for the event.
Longitude -66.9631° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9483° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6 km Depth of the event in kilometers.
Place 6 km WSW of Guánica, 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 2020-07-15 02:59:19 Time when the event occurred. UTC/GMT
Updated 2020-07-28 09:56:57 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 132 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 22 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.0838 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 198 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 pr2020197007 Id of event.
Event Code 2020197007 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2020197007, A comma-separated list of event ids that are associated to an event.

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