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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 105 km WNW of Ribeira Grande, Portugal

Posted by admin on March 14, 2017 0 Comments

Earthquake location 38.91S, -29.8083WA light earthquake with magnitude 4.5 (ml/mb) was reported 105 km WNW of Ribeira Grande, Portugal (65 miles) on Wednesday. Exact location, longitude -29.8083° West, latitude 38.91° North, depth = 12.98 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.5-magnitude earthquake was detected at 15:10:51 / 3:10 pm (local time epicenter). Global date and time of event UTC/GMT: 01/03/17 / 2017-03-01 17:10:51 / March 1, 2017 @ 5:10 pm. The epicenter of the earthquake was roughly 12.98 km (8 miles) below the earth’s surface. Event id: us1000884g. Ids that are associated to the earthquake: us1000884g.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 105 km WNW of Ribeira Grande, Portugal.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -29.8083° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.91° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.98 km Depth of the event in kilometers.
Place 105km WNW of Ribeira Grande, Portugal Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-01 17:10:51 Time when the event occurred. UTC/GMT
Updated 2017-03-14 14:37:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -120 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 312 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 ,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 1.234 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us1000884g Id of event.
Event Code 1000884g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000884g, A comma-separated list of event ids that are associated to an event.

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