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Major earthquake: M7.5 quake has struck near the Loyalty Islands

Earthquake location -23.2787S, 171.4888WA major earthquake magnitude 7.5 (ml/mb) has occurred on Wednesday, southeast of the Loyalty Islands (0 miles). A tsunami warning has been issued near the Loyalty Islands (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: at00qobedd, pt21041004, us6000dg77. Unique identifier: us6000dg77. The earthquake occurred at a depth of 10 km (6 miles). Exact location of earthquake, longitude 171.4888 East, latitude -23.2787 South, depth = 10 km. The temblor was reported at 13:20:00 / 1:20 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 10/02/21 / 2021-02-10 13:20:00 / February 10, 2021 @ 1:20 pm.

In the past 24 hours, there have been five, in the last 10 days seventeen, in the past 30 days twenty-one and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 15 major quakes in the world. Earthquakes 7.0 to 7.9 may cause serious damage.

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. 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: southeast of the Loyalty Islands.

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More information

Parameter Value Description
Magnitude 7.5 mb The magnitude for the event.
Longitude 171.4888° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.2787° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place southeast of the Loyalty Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-10 13:20:00 Time when the event occurred. UTC/GMT
Updated 2021-02-10 13:45:20 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 4.074 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 1 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 865 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 ,at,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 8.253 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.87 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 29 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000dg77 Id of event.
Event Code 6000dg77 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qobedd,pt21041004,us6000dg77, A comma-separated list of event ids that are associated to an event.

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