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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 60 km ESE of Keelung, Taiwan

Earthquake location 25.0172S, 122.3324WA light earthquake with magnitude 4.2 (ml/mb) was reported 60 kilometers (37 miles) from Keelung in Taiwan on Friday. Event id: us100034ps. Ids that are associated to the earthquake: us100034ps. The earthquake occurred at a depth of 127.09 km (79 miles). 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: 07/08/15 / 2015-08-07 08:40:57 / August 7, 2015 @ 8:40 am. The temblor was detected at 16:40:57 / 4:40 pm (local time epicenter). Exact location of event, depth 127.09 km, 122.3324° East, 25.0172° North.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Banqiao, Taipei, Yilan. Epicenter of the earthquake was 81 km (50 miles) from Taipei (c. 7 871 900 pop), 87 km (54 miles) from Banqiao (c. 543 300 pop), 61 km (38 miles) from Keelung (c. 397 500 pop), 65 km (41 miles) from Yilan (c. 94 200 pop). Close country/countries, Taiwan (c. 22 894 000 pop) (That might be effected).

Every 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 two, in the last 10 days two, in the past 30 days three and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 60 km ESE of Keelung, Taiwan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 122.3324° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 25.0172° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 127.09 km Depth of the event in kilometers.
Place 60km ESE of Keelung, Taiwan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-07 08:40:57 Time when the event occurred. UTC/GMT
Updated 2015-08-30 12:01:09 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 271 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 0.759 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us100034ps Id of event.
Event Code 100034ps An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100034ps, A comma-separated list of event ids that are associated to an event.

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