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Minor earthquake 3.17 mag, 58 km SSW of Pole Ojea, Puerto Rico

Earthquake location 17.5236S, -67.4641WA minor earthquake magnitude 3.17 (ml/mb) strikes 58 kilometers (36 miles) from Pole Ojea in Puerto Rico on Saturday. The temblor was detected at 05:10:16 / 5:10 am (local time epicenter). The earthquake was roughly at a depth of 10 km (6 miles). Global date and time of event UTC/GMT: 16/01/21 / 2021-01-16 05:10:16 / January 16, 2021 @ 5:10 am. Event id: pr2021016005. Ids that are associated to the earthquake: pr2021016005. Exact location of event, depth 10 km, -67.4641° West, 17.5236° North.

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Event epicenter was 76 km (47 miles) from San Germán (c. 12 100 pop), 77 km (48 miles) from Hormigueros (c. 11 900 pop), 71 km (44 miles) from Cabo Rojo (c. 10 800 pop), 77 km (48 miles) from Guánica (c. 9 200 pop), 68 km (42 miles) from Puerto Real (c. 6 200 pop). Nearest cities/city/towns to hypocenter/epicentrum was Hormigueros, Guánica, San Germán (min 5000 pop).

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 twenty-one, in the past 30 days one hundred and eleven and in the last 365 days two thousand, two hundred and fourty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.2 are often felt, but only causes minor damage.

Did you feel the quake?

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: 58 km SSW of Pole Ojea, Puerto Rico.

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More information

Parameter Value Description
Magnitude 3.17 mb The magnitude for the event.
Longitude -67.4641° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 17.5236° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 58 km SSW of Pole Ojea, 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 2021-01-16 05:10:16 Time when the event occurred. UTC/GMT
Updated 2021-01-16 07:11:39 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 155 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 17 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.599 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 227 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 pr2021016005 Id of event.
Event Code 2021016005 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2021016005, A comma-separated list of event ids that are associated to an event.

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