Moderate earthquake, 5.1 mag strikes near Ishinomaki in Japan

A moderate earthquake with magnitude 5.1 (ml/mb) was detected on Tuesday, 76 kilometers (47 miles) from Ishinomaki in Japan. Exact location of earthquake, 141.7633° East, 37.8374° North, depth 58.47 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us20002yv0. Id of event: us20002yv0. The earthquake occurred at a depth of 58.47 km (36 miles) below the earth’s surface. The temblor was detected at 18:16:49 / 6:16 pm (local time epicenter). Global date and time of event UTC/GMT: 21/07/15 / 2015-07-21 09:16:49 / July 21, 2015 @ 9:16 am.

Earthquake epicenter was 91 km (57 miles) from Sendai (c. 1 063 100 pop), 92 km (57 miles) from Sendai-shi (c. 1 063 100 pop), 76 km (47 miles) from Ishinomaki (c. 117 200 pop), 83 km (52 miles) from Shiogama (c. 59 500 pop), 99 km (61 miles) from Tomiya (c. 42 500 pop), 85 km (53 miles) from Iwanuma (c. 42 400 pop), 102 km (63 miles) from Shiroishi (c. 39 500 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Yanagawamachi-saiwaichō, Shiroishi, Kogota. Close country/countries that might be effected, Japan (c. 127 288 000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days five and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Every year there are an estimated 1320 moderate earthquakes in the world.

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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: 76 km SSE of Ishinomaki, Japan.

More information

Parameter	Value	Description
Magnitude	5.1 mb	The magnitude for the event.
Longitude	141.7633° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	37.8374° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	58.47 km	Depth of the event in kilometers.
Place	76km SSE of Ishinomaki, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-07-21 09:16:49	Time when the event occurred. UTC/GMT
Updated	2015-07-21 09:42:47	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	Timezone offset from UTC in minutes at the event epicenter.
Felt	10	The total number of felt reports
CDI	3.4	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	404	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	0.771	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.04 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	121	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	us20002yv0	Id of event.
Event Code	20002yv0	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20002yv0,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

5.1 mb

The magnitude for the event.

Longitude

141.7633° East

Decimal degrees longitude. Negative values for western longitudes.

Latitude

37.8374° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

58.47 km

Depth of the event in kilometers.

Place

76km SSE of Ishinomaki, Japan

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2015-07-21 09:16:49

Time when the event occurred. UTC/GMT

Updated

2015-07-21 09:42:47

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

3.4

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

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

404

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

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

0.771

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

1.04 sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

121

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

us20002yv0

Id of event.

Event Code

20002yv0

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,us20002yv0,

A comma-separated list of event ids that are associated to an event.

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Moderate earthquake, 5.1 mag strikes near Ishinomaki in Japan

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