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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 10 km W of Tanahwulan, Indonesia

Earthquake location -8.0312S, 113.6659WA light earthquake with magnitude 4 (ml/mb) was reported 10 kilometers (6 miles) from Tanahwulan in Indonesia on Monday. The earthquake occurred at a depth of 149.41 km (93 miles) below the earth’s surface. Exact time and date of earthquake 16/04/17 / 2017-04-16 19:41:30 / April 16, 2017 @ 7:41 pm UTC/GMT. Exact location, longitude 113.6659° East, latitude -8.0312° South, depth = 149.41 km. Unique identifier: us10008jjn. Ids that are associated to the event: us10008jjn. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 02:41:30 / 2:41 am (local time epicenter).

Nearby country/countries that might be effected, Indonesia (c. 242 968 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Muncar, Wongsorejo, Banyuwangi (min 5000 pop). Epicenter of the event was 52 km (33 miles) from Situbondo (c. 600 000 pop), 16 km (10 miles) from Jember (c. 298 600 pop), 58 km (36 miles) from Probolinggo (c. 181 700 pop), 50 km (31 miles) from Lumajang (c. 123 600 pop), 79 km (49 miles) from Banyuwangi (c. 108 200 pop), 65 km (40 miles) from Genteng (c. 79 700 pop).

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

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. 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: 10 km W of Tanahwulan, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 113.6659° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -8.0312° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 149.41 km Depth of the event in kilometers.
Place 10km W of Tanahwulan, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-16 19:41:30 Time when the event occurred. UTC/GMT
Updated 2017-05-14 15:22:39 Time when the event was most recently updated. UTC/GMT
Timezone offset 420 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 246 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 0.649 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.22 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us10008jjn Id of event.
Event Code 10008jjn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008jjn, A comma-separated list of event ids that are associated to an event.

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