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Light earthquake: M4.2 quake strikes near Keelung in Taiwan

Earthquake location 25.3427S, 122.3556WA light earthquake magnitude 4.2 (mg/mb) has striked on Monday, 66 kilometers (41 miles) from Keelung in Taiwan. The temblor was reported at 09:30:28 / 9:30 am (local time epicenter) at a depth of 222.63 km (138 miles). Global time of event 13/04/15 / 2015-04-13 01:30:28 / April 13, 2015 @ 1:30 am UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 122.3556 East, latitude 25.3427 North, depth 222.63 km, unique identifier, us20002821.

Close countries, Taiwan (c. 22 894 000 pop). The epicenter was 89 km (55 miles) from Taipei (c. 7 871 900 pop), 66 km (41 miles) from Keelung (c. 397 500 pop), 89 km (55 miles) from Yilan (c. 94 200 pop). Nearest city, towns to epicentrum/hypocenter was Taipei, Yilan, Keelung.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 66 km ENE of Keelung, Taiwan.

More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 122.3556° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 25.3427° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 222.63 km Depth of the event in kilometers.
Place 66km ENE 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 2015-04-13 01:30:28 Time when the event occurred. UTC/GMT
Updated 2015-04-27 02:08:58 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 0.86 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 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 us20002821 Id of event.
Event Code 20002821 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002821, A comma-separated list of event ids that are associated to an event.

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