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Minor earthquake, 2.85 mag strikes near Isabela in Puerto Rico

Posted by admin on April 24, 2018 0 Comments

Earthquake location 18.601S, -66.9803WA minor earthquake magnitude 2.85 (ml/mb) has struck on Tuesday, 12 kilometers (7 miles) from Isabela in Puerto Rico. Exact location of earthquake, -66.9803° West, 18.601° North, depth 82 km. Event id: pr2018114010. Ids that are associated to the earthquake: pr2018114010. The earthquake was roughly at a depth of 82 km (51 miles). Date and time of earthquake in UTC/GMT: 24/04/18 / 2018-04-24 08:44:11 / April 24, 2018 @ 8:44 am. The temblor was reported at 04:44:11 / 4:44 am (local time epicenter).

Close country/countries that might be effected, Puerto Rico (c. 3 917 000 pop). Epicenter of the event was 76 km (47 miles) from Ponce (c. 152 600 pop), 48 km (30 miles) from Mayagüez (c. 78 600 pop), 31 km (19 miles) from Arecibo (c. 49 300 pop), 65 km (40 miles) from Vega Baja (c. 29 300 pop), 49 km (31 miles) from Barceloneta (c. 22 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Dorado, Ponce, Corozal (min 5000 pop).

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days twenty-two and in the last 365 days two hundred and eighty-four earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 12 km NNE of Isabela, Puerto Rico. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.85 mb The magnitude for the event.
Longitude -66.9803° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.601° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 82 km Depth of the event in kilometers.
Place 12km NNE of Isabela, 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 2018-04-24 08:44:11 Time when the event occurred. UTC/GMT
Updated 2018-04-24 11:55:54 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 125 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 7 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.187 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 275 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 pr2018114010 Id of event.
Event Code 2018114010 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,pr2018114010, A comma-separated list of event ids that are associated to an event.

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