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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Muroran in Japan


Earthquake location 42.0491S, 141.521WA light earthquake magnitude 4.5 (ml/mb) has struck on Friday, 53 kilometers (33 miles) from Muroran in Japan. Exact location of event, longitude 141.521 East, latitude 42.0491 North, depth = 99.53 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 03/07/15 / 2015-07-03 03:33:27 / July 3, 2015 @ 3:33 am. All ids that are associated to the event: us10002n5z. Unique identifier: us10002n5z. The 4.5-magnitude earthquake has occurred at 12:33:27 / 12:33 pm (local time epicenter). The earthquake occurred at a depth of 99.53 km (62 miles).

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 72 km (45 miles) from Hakodate (c. 275 700 pop), 66 km (41 miles) from Tomakomai (c. 174 800 pop), 53 km (33 miles) from Muroran (c. 96 200 pop), 86 km (54 miles) from Chitose (c. 92 900 pop), 88 km (55 miles) from Mutsu (c. 49 200 pop), 77 km (48 miles) from Kamiiso (c. 38 100 pop), 71 km (44 miles) from Date (c. 35 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Mutsu, Chitose, Kamiiso.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days eight and in the last 365 days twenty-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

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: 53 km SE of Muroran, Japan. 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 141.521° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.0491° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 99.53 km Depth of the event in kilometers.
Place 53km SE of Muroran, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-03 03:33:27 Time when the event occurred. UTC/GMT
Updated 2015-07-25 02:31:04 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 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 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 0.795 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 77 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 us10002n5z Id of event.
Event Code 10002n5z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002n5z, A comma-separated list of event ids that are associated to an event.

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