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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near Tobelo in Indonesia


Earthquake location 1.8312S, 127.4227WA light earthquake with magnitude 4.1 (ml/mb) was reported 66 kilometers (41 miles) from Tobelo in Indonesia on Friday. Unique identifier: us10008f7v. Ids that are associated to the event: us10008f7v. The temblor was detected at 15:00:56 / 3:00 pm (local time epicenter). 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: 31/03/17 / 2017-03-31 06:00:56 / March 31, 2017 @ 6:00 am. The epicenter of the earthquake was roughly 136.55 km (85 miles) below the earth’s surface. Exact location of earthquake, longitude 127.4227 East, latitude 1.8312 North, depth = 136.55 km.

Epicenter of the earthquake was 66 km (41 miles) from Tobelo (c. 10 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Tobelo. Nearby country/countries, Indonesia (c. 242 968 000 pop) (That might be effected).

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

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 66 km W of Tobelo, Indonesia.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 127.4227° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.8312° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 136.55 km Depth of the event in kilometers.
Place 66km W of Tobelo, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-31 06:00:56 Time when the event occurred. UTC/GMT
Updated 2017-04-16 08:23:04 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 259 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 1.053 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129 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 us10008f7v Id of event.
Event Code 10008f7v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008f7v, A comma-separated list of event ids that are associated to an event.

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