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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Amahusu in Indonesia


Earthquake location -3.8049S, 128.17WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 9 kilometers (6 miles) from Amahusu in Indonesia. Id of earthquake: us100031y9. Event ids that are associated: us100031y9. Exact time and date of earthquake 25/07/15 / 2015-07-25 03:43:22 / July 25, 2015 @ 3:43 am UTC/GMT. The temblor was reported at 12:43:22 / 12:43 pm (local time epicenter). The earthquake was roughly at a depth of 80.16 km (50 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 128.17 East, latitude -3.8049 South, depth = 80.16 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Ambon. Epicenter of the event was 12 km (8 miles) from Ambon (c. 355 600 pop). Country/countries that might be effected, Indonesia (c. 242 968 000 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days five earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Did you feel it?

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. 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: 9 km SSE of Amahusu, Indonesia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 128.17° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -3.8049° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 80.16 km Depth of the event in kilometers.
Place 9km SSE of Amahusu, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-07-25 03:43:22 Time when the event occurred. UTC/GMT
Updated 2015-08-16 05:37:10 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 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 4.165 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 144 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 us100031y9 Id of event.
Event Code 100031y9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100031y9, A comma-separated list of event ids that are associated to an event.

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