Earthquake Costa Occidentale Peloponneso (GRECIA), Magnitude M 3.8, 23 April 2012 time 03:51:22 (Timezone UTC)

A magnitude M 3.8 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

23-04-2012 03:51:22 (UTC)
23-04-2012 05:51:22 (UTC +02:00) Italian time
23-04-2012 06:51:22 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.6600, 20.9300 at 2 km depth.

The earthquake was located by: CSEM.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Display location by

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	M 3.8	2012-04-23 03:51:22	37.66	20.93	2	2013-01-06 03:14:17	CSEM	1362459

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2012-04-23 03:51:22
Latitude	37.6600
Longitude	20.9300
Depth (km)	2 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> CSEM
Event type	earthquake
Origin ID	1362459

Uncertainty

Field	Value
Preferred uncertainty description
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter)
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
Number of associated phases, regardless of their use for origin computation	28
Number of defining phases	21
RMS of the travel time residuals of the arrivals used for the origin computation (sec)
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.00000
Number of stations at which the event was observed	20
Number of stations from which data was used for origin computation	13

Magnitude information

M:3.8

Field	Value
Value	3.8
Uncertainty
Num. used stations
Type of magnitude	M
Reference to an origin	1362459
Agency	INGV
Autore	CSEM
Time of creation (UTC)	2014-03-24 10:52:30

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase
IV.HVZN.HHZ.	2012-04-23T03:53:21.25	1.0	undecidable	manual	Sg
IV.MEU.SHZ.	2012-04-23T03:53:18.74	1.0	undecidable	manual	Sg
IV.HLNI.HHZ.	2012-04-23T03:53:16.04	1.0	undecidable	manual	Sg
IV.HAVL.HHN.	2012-04-23T03:53:14.85	0.6	undecidable	manual	Sg
IV.MCSR.HHN.	2012-04-23T03:53:14.19	1.0	undecidable	manual	Sg
IV.HCRL.HHZ.	2012-04-23T03:53:14.81	0.3	undecidable	manual	Sg
IV.MSRU.HHZ.	2012-04-23T03:53:08.53	1.0	undecidable	manual	Sg
IV.MSCL.HHZ.	2012-04-23T03:53:03.18	0.6	undecidable	manual	Sg
IV.SLCN.HHZ.	2012-04-23T03:52:35.22	10.0	undecidable	manual	Pg
IV.SSY.HHN.	2012-04-23T03:52:32.72	10.0	undecidable	manual	Pg
MN.PDG.HHN.	2012-04-23T03:52:32.16	10.0	undecidable	manual	Pg
IV.IVPL.HHZ.	2012-04-23T03:52:31.64	10.0	undecidable	manual	Pg
IV.HVZN.HHZ.	2012-04-23T03:52:28.60	0.6	undecidable	manual	Pn
IV.MUCR.HHZ.	2012-04-23T03:52:28.81	0.3	undecidable	manual	Pn
IV.HMDC.HHZ.	2012-04-23T03:52:28.37	0.1	undecidable	manual	Pn
IV.MEU.SHZ.	2012-04-23T03:52:27.19	0.1	undecidable	manual	Pn
IV.HLNI.HHZ.	2012-04-23T03:52:26.14	0.1	undecidable	manual	Pn
IV.MPNC.HHE.	2012-04-23T03:52:25.50	0.3	undecidable	manual	Pn
IV.RAVA.EHN.	2012-04-23T03:52:25.26	10.0	undecidable	manual	Pg
IV.MCSR.HHN.	2012-04-23T03:52:24.47	0.1	undecidable	manual	Pn
IV.HCRL.HHZ.	2012-04-23T03:52:24.65	0.1	undecidable	manual	Pn
IV.HAVL.HHN.	2012-04-23T03:52:24.71	0.1	undecidable	manual	Pn
IV.AGST.EHZ.	2012-04-23T03:52:22.50	0.3	undecidable	manual	Pn
IV.MSRU.HHZ.	2012-04-23T03:52:22.40	0.6	undecidable	manual	Pn
IV.GMB.BHN.	2012-04-23T03:52:22.45	10.0	undecidable	manual	Pg
IV.CAR1.HHZ.	2012-04-23T03:52:19.54	0.3	undecidable	manual	Pn
IV.MSCL.HHZ.	2012-04-23T03:52:18.66	0.3	undecidable	manual	Pn
IV.PIPA.HHE.	2012-04-23T03:52:17.14	10.0	undecidable	manual	Pg

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.MSCL.HHN.	ML:0.0	0.00035	0.58	AML	other	m	2012-04-23T03:52:18.66
IV.MSCL.HHE.	ML:0.0	0.000345	0.72	AML	other	m	2012-04-23T03:52:18.66
IV.CAR1.HHN.	ML:0.0	0.000415	0.82	AML	other	m	2012-04-23T03:52:19.54
IV.MSRU.HHN.	ML:0.0	0.000175	1.32	AML	other	m	2012-04-23T03:52:22.40
IV.MSRU.HHE.	ML:0.0	0.000285	1.56	AML	other	m	2012-04-23T03:52:22.40
IV.GMB.BHN.	Md:0.0	134		END	duration	s
IV.GMB.BHE.	ML:0.0	0.004175	0.08	AML	other	m	2012-04-23T03:52:22.45
IV.MCSR.HHN.	Md:0.0	142		END	duration	s
IV.MCSR.HHE.	ML:0.0	0.00010499999999999999	0.32	AML	other	m	2012-04-23T03:52:24.47
IV.HCRL.HHN.	ML:0.0	0.00078	0.68	AML	other	m	2012-04-23T03:52:24.65
IV.HCRL.HHE.	ML:0.0	0.000725	0.7	AML	other	m	2012-04-23T03:52:24.65
IV.HAVL.HHN.	Md:0.0	121		END	duration	s
IV.HAVL.HHE.	ML:0.0	0.0003	0.24	AML	other	m	2012-04-23T03:52:24.71
IV.MPNC.HHN.	ML:0.0	0.000285	0.62	AML	other	m	2012-04-23T03:52:25.50
IV.MPNC.HHE.	Md:0.0	114		END	duration	s
IV.HLNI.HHN.	ML:0.0	0.00023	0.44	AML	other	m	2012-04-23T03:52:26.14
IV.HLNI.HHE.	ML:0.0	0.0004	0.68	AML	other	m	2012-04-23T03:52:26.14
IV.MEU.SHZ.	Md:0.0	112		END	duration	s
IV.HMDC.HHN.	ML:0.0	0.00031	0.72	AML	other	m	2012-04-23T03:52:28.37
IV.HMDC.HHE.	ML:0.0	0.00035999999999999997	0.94	AML	other	m	2012-04-23T03:52:28.37
IV.HVZN.HHN.	ML:0.0	0.0008900000000000001	0.8	AML	other	m	2012-04-23T03:52:28.60
IV.HVZN.HHE.	ML:0.0	0.00088	0.66	AML	other	m	2012-04-23T03:52:28.60
IV.MUCR.HHN.	ML:0.0	0.0002	0.7	AML	other	m	2012-04-23T03:52:28.81
IV.MUCR.HHE.	ML:0.0	0.000115	1.38	AML	other	m	2012-04-23T03:52:28.81
IV.IVPL.HHN.	ML:0.0	0.00068	0.62	AML	other	m	2012-04-23T03:52:31.64
IV.IVPL.HHE.	ML:0.0	0.000475	0.5	AML	other	m	2012-04-23T03:52:31.64
IV.PIPA.HHE.	Md:0.0	116		END	duration	s
IV.MSCL.HHZ.	Md:0.0	108		END	duration	s
IV.CAR1.HHZ.	Md:0.0	123		END	duration	s
IV.MSRU.HHZ.	Md:0.0	129		END	duration	s
IV.AGST.EHZ.	Md:0.0	19.9		END	duration	s
IV.HCRL.HHZ.	Md:0.0	27.3		END	duration	s
IV.RAVA.EHN.	Md:0.0	11		END	duration	s
IV.HLNI.HHZ.	Md:0.0	125		END	duration	s
IV.HMDC.HHZ.	Md:0.0	110		END	duration	s
IV.HVZN.HHZ.	Md:0.0	142		END	duration	s
IV.MUCR.HHZ.	Md:0.0	107		END	duration	s
IV.IVPL.HHZ.	Md:0.0	106		END	duration	s
MN.PDG.HHN.	Md:0.0	7		END	duration	s
IV.SSY.HHN.	Md:0.0	103		END	duration	s
IV.SLCN.HHZ.	Md:0.0	42		END	duration	s

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of M 3.8 on date 23-04-2012 and time 03:51:22 (UTC) in region Costa Occidentale Peloponneso (GRECIA)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

M:3.8