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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Kitaibaraki in Japan


Earthquake location 36.571S, 141.7039WA light earthquake with magnitude 4.5 (ml/mb) was detected on Tuesday, 88 kilometers (55 miles) from Kitaibaraki in Japan. Id of earthquake: us100035ca. Event ids that are associated: us100035ca. Exact location of event, depth 39.61 km, 141.7039° East, 36.571° North. Global time and date of event 11/08/15 / 2015-08-11 00:05:58 / August 11, 2015 @ 12:05 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 39.61 km (25 miles). The temblor was reported at 09:05:58 / 9:05 am (local time epicenter).

Epicenter of the event was 90 km (56 miles) from Iwaki (c. 357 300 pop), 94 km (59 miles) from Hitachi (c. 186 300 pop), 88 km (55 miles) from Kitaibaraki (c. 50 800 pop), 90 km (56 miles) from Takahagi (c. 33 600 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Hitachi, Iwaki, Takahagi (min 5000 pop).

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been six, in the last 10 days nine, in the past 30 days eleven and in the last 365 days fifty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 88 km ESE of Kitaibaraki, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 141.7039° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.571° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.61 km Depth of the event in kilometers.
Place 88km ESE of Kitaibaraki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-11 00:05:58 Time when the event occurred. UTC/GMT
Updated 2015-09-04 21:41:23 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 1.267 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us100035ca Id of event.
Event Code 100035ca An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100035ca, A comma-separated list of event ids that are associated to an event.

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