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Light earthquake, 4.5 mag was detected near Culebra in Puerto Rico

Posted by admin on March 9, 2021 0 Comments

Earthquake location 18.7647S, -65.2962WA light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 51 kilometers (32 miles) from Culebra in Puerto Rico. Date and time of earthquake in UTC/GMT: 09/03/21 / 2021-03-09 04:44:02 / March 9, 2021 @ 4:44 am. The epicenter was at a depth of 55.3 km (34 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -65.2962° West, 18.7647° North, depth 55.3 km. Event id: us7000dhb7. Ids that are associated to the earthquake: pt21068000, us7000dhb7. The 4.5-magnitude earthquake was detected at 04:44:02 / 4:44 am (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was San Lorenzo, Cataño, San Juan (min 5000 pop). Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop), British Virgin Islands (c. 22 000 pop). Earthquake epicenter was 92 km (57 miles) from San Juan (c. 418 100 pop), 82 km (51 miles) from Carolina (c. 170 400 pop), 88 km (55 miles) from Trujillo Alto (c. 54 200 pop), 62 km (38 miles) from Fajardo (c. 34 100 pop), 94 km (58 miles) from Cataño (c. 28 100 pop), 81 km (51 miles) from Tortola (c. 23 900 pop), 88 km (55 miles) from Humacao (c. 20 400 pop).

In the past 24 hours, there have been two, in the last 10 days eight, in the past 30 days sixty-five and in the last 365 days three hundred and fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 51 km N of Culebra, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -65.2962° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.7647° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 55.3 km Depth of the event in kilometers.
Place 51 km N of Culebra, 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 2021-03-09 04:44:02 Time when the event occurred. UTC/GMT
Updated 2021-03-09 04:59:40 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 101 The total number of felt reports
CDI 3.8 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 350 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,pt,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.811 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 45 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000dhb7 Id of event.
Event Code 7000dhb7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pt21068000,us7000dhb7, A comma-separated list of event ids that are associated to an event.

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