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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.37 mag, 5 km SSE of Guánica, Puerto Rico


Earthquake location 17.9246S, -66.89WA minor earthquake with magnitude 3.37 (ml/mb) was detected on Friday, 5 kilometers (3 miles) from Guánica in Puerto Rico. Exact location of event, longitude -66.89 West, latitude 17.9246 North, depth = 11 km. The epicenter of the earthquake was roughly 11 km (7 miles) below the earth’s surface. Id of earthquake: pr2021008003. Event ids that are associated: us6000d6mn, pr2021008003. Global date and time of event UTC/GMT: 08/01/21 / 2021-01-08 03:57:04 / January 8, 2021 @ 3:57 am. The temblor was picked up at 03:57:04 / 3:57 am (local time epicenter).

Nearest cities/city/towns to hypocenter/epicentrum was Cidra, Ceiba, Vega Alta (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the earthquake was 31 km (19 miles) from Ponce (c. 152 600 pop), 41 km (25 miles) from Mayagüez (c. 78 600 pop), 64 km (40 miles) from Arecibo (c. 49 300 pop), 78 km (49 miles) from Vega Baja (c. 29 300 pop), 69 km (43 miles) from Barceloneta (c. 22 300 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days thirty-five, in the past 30 days one hundred and thirteen and in the last 365 days two thousand, six hundred and fourty-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 5 km SSE of Guánica, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.37 mb The magnitude for the event.
Longitude -66.89° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.9246° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11 km Depth of the event in kilometers.
Place 5 km SSE 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 2021-01-08 03:57:04 Time when the event occurred. UTC/GMT
Updated 2021-01-08 04:25:33 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 175 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 ,us,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 0.0516 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.11 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 212 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 pr2021008003 Id of event.
Event Code 2021008003 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000d6mn,pr2021008003, A comma-separated list of event ids that are associated to an event.

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