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Light earthquake: M4.5 quake has struck near Brookings in Oregon


Earthquake location 41.894S, -125.78WA light earthquake magnitude 4.5 (ml/mb) has occurred on Thursday, 125 km W of Brookings, Oregon (78 miles). The 4.5-magnitude earthquake has occurred at 10:59:29 / 10:59 am (local time epicenter). The earthquake occurred at a depth of 1 km (1 miles). Date and time of earthquake in UTC/GMT: 10/08/17 / 2017-08-10 18:59:29 / August 10, 2017 @ 6:59 pm. Unique identifier: at00ouhgr5. Ids that are associated to the event: at00ouhgr5. Exact location of event, longitude -125.78 West, latitude 41.894 North, depth = 1 km. A tsunami warning has been issued near Brookings in Oregon (Does not indicate if a tsunami actually did or will exist).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that has occurred 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.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 125 km W of Brookings, Oregon.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -125.78° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.894° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1 km Depth of the event in kilometers.
Place 125km W of Brookings, Oregon Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-10 18:59:29 Time when the event occurred. UTC/GMT
Updated 2017-08-10 19:11:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 1 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 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 312 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 79 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.198353 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 5.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 187.199985024 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00ouhgr5 Id of event.
Event Code 00ouhgr5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00ouhgr5, A comma-separated list of event ids that are associated to an event.

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