Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mw 4.2 on date 26-01-2014 and time 15:59:26 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude Mw 4.2 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 26-01-2014 14:59:26 (UTC)
  • 26-01-2014 15:59:26 (UTC +01:00) Italian time
  • 26-01-2014 16:59:26 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.3990, 20.3050 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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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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
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 4.4
Mw 4.2 		2014-01-26
14:59:26		 38.3987 20.3047 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5372181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-01-26 14:59:26 ± 0.69
Latitude 38.3987 ± 0.0405
Longitude 20.3047 ± 0.0528
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 5372181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4990
Semi-minor axis of confidence ellipse (meter) 4030
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 4990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 295
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 4.57935
Number of stations at which the event was observed 58
Number of stations from which data was used for origin computation 18
Magnitudes information

Mw:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations
Type of magnitude Mw
Reference to an origin 5372181
Agency INGV
Autore TDMT-INGV Revised
Time of creation (UTC) 2014-01-28 09:32:03

ML:4.4

Field Value
Value 4.4
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 5372181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-01-26 15:33:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.SHZ. 2014-01-26T15:01:46.99 3.0 undecidable manual Sn -6.03 0
IV.STAL.HHZ. 2014-01-26T15:01:46.14 3.0 undecidable manual Pn -3.73 0
IV.ZCCA.HHZ. 2014-01-26T15:01:37.63 3.0 undecidable manual Pn -3.51 0
IV.SFI.EHZ. 2014-01-26T15:01:31.34 3.0 undecidable manual Pn 0.75 0
IV.BADI.EHZ. 2014-01-26T15:01:24.27 3.0 positive manual Pn 0.24 0
IV.HVZN.HHZ. 2014-01-26T15:01:24.51 1.0 undecidable manual S 256 508.3023 38 -3.75 0
IV.ATVO.HHZ. 2014-01-26T15:01:22.02 3.0 positive manual Pn 0.37 0
IV.MEU.SHZ. 2014-01-26T15:01:22.80 1.0 undecidable manual S 255 500.9208 38 -3.87 0
IV.ATFO.HHZ. 2014-01-26T15:01:20.05 3.0 positive manual Pn -0.21 0
IV.HLNI.HHZ. 2014-01-26T15:01:20.35 0.3 undecidable manual S 258 489.7431 38 -3.91 1
IV.SSFR.HHZ. 2014-01-26T15:01:18.36 3.0 positive manual Pn -0.98 0
IV.ARVD.HHZ. 2014-01-26T15:01:18.07 3.0 undecidable manual Pn -0.71 0
IV.ATCC.EHZ. 2014-01-26T15:01:18.90 3.0 undecidable manual Pn 0.8 0
IV.ASSB.HHZ. 2014-01-26T15:01:17.07 3.0 undecidable manual Pn 0.37 0
IV.FOSV.EHZ. 2014-01-26T15:01:16.90 3.0 negative manual Pn -1.28 0
IV.LAV9.HNZ. 2014-01-26T15:01:15.70 3.0 positive manual Pg 9.81 0
IV.EL6.EHZ. 2014-01-26T15:01:14.64 3.0 positive manual Pn -1.37 0
IV.ARRO.EHZ. 2014-01-26T15:01:13.72 3.0 positive manual Pn 1.8 0
IV.FDMO.HHZ. 2014-01-26T15:01:13.28 3.0 positive manual Pn -0.09 0
IV.LNSS.HHZ. 2014-01-26T15:01:11.13 3.0 positive manual Pn 1.24 0
IV.RMP.HHZ. 2014-01-26T15:01:11.08 3.0 negative manual Pn 4.35 0
IV.T0702.EHZ. 2014-01-26T15:01:08.64 0.3 undecidable manual S 293 392.0076 38 5.44 2
IV.SMA1.EHZ. 2014-01-26T15:01:08.13 3.0 positive manual Pn 0.32 0
IV.CAMP.HHZ. 2014-01-26T15:01:06.76 3.0 positive manual Pn 0.36 0
IV.NOCI.HHZ. 2014-01-26T15:01:01.15 0.6 undecidable manual S 315 383.3274 38 -0.19 37
IV.JOPP.HHZ. 2014-01-26T15:01:00.14 0.6 undecidable manual S 275 384.3264 38 -1.4 23
IV.CAR1.HHZ. 2014-01-26T15:00:58.47 0.6 undecidable manual S 286 366.1557 38 0.83 33
IV.INTR.HHZ. 2014-01-26T15:00:58.57 3.0 undecidable manual Pn 0.63 0
IV.CAFR.HHZ. 2014-01-26T15:00:56.12 3.0 negative manual Pn -0.32 0
IV.LPEL.HHZ. 2014-01-26T15:00:56.19 3.0 positive manual Pn 0.15 0
IV.TRIV.HHZ. 2014-01-26T15:00:51.09 3.0 positive manual Pn 0.41 0
IV.BSSO.HHZ. 2014-01-26T15:00:49.28 3.0 negative manual Pn 0.85 0
IV.SACR.HHZ. 2014-01-26T15:00:47.10 3.0 positive manual Pn 0.83 0
IV.SERS.HHZ. 2014-01-26T15:00:47.36 0.6 undecidable manual S 284 320.8344 38 -0.5 44
IV.GATE.HHZ. 2014-01-26T15:00:46.71 3.0 undecidable manual Pn 1.11 0
IV.SNAL.HHZ. 2014-01-26T15:00:38.82 3.0 positive manual Pn 0.56 0
IV.SGTA.HHZ. 2014-01-26T15:00:38.75 3.0 undecidable manual Pn 0.08 0
IV.MSAG.HHZ. 2014-01-26T15:00:38.20 3.0 negative manual Pn -2.2 0
IV.CMPR.HHZ. 2014-01-26T15:00:35.35 3.0 negative manual Pn 2.04 0
IV.MRLC.HHZ. 2014-01-26T15:00:35.74 3.0 positive manual Pn 1.2 0
IV.CDRU.HHZ. 2014-01-26T15:00:35.43 3.0 negative manual Pn 1.11 0
IV.MCPD.HHZ. 2014-01-26T15:00:34.01 3.0 negative manual Pn -5.24 0
IV.HVZN.HHZ. 2014-01-26T15:00:33.68 0.1 undecidable manual P 256 508.3023 38 -3.31 2
IV.SLCN.HHZ. 2014-01-26T15:00:32.49 3.0 negative manual Pn 1.85 0
IV.MCEL.HHZ. 2014-01-26T15:00:31.91 3.0 positive manual Pn 3.25 0
IV.SCTE.HHZ. 2014-01-26T15:00:31.28 1.0 undecidable manual S 320 243.6672 38 0.06 31
IV.PALZ.HHZ. 2014-01-26T15:00:31.72 3.0 negative manual Pn -0.55 0
IV.ACER.HHZ. 2014-01-26T15:00:30.73 3.0 positive manual Pn -0.26 0
IV.MRVN.HHZ. 2014-01-26T15:00:30.42 3.0 positive manual Pn -1.24 0
IV.MGR.HHZ. 2014-01-26T15:00:30.81 3.0 positive manual Pn 0.9 0
IV.HLNI.HHZ. 2014-01-26T15:00:30.83 0.3 undecidable manual P 258 489.7431 38 -3.85 1
IV.SIRI.HHZ. 2014-01-26T15:00:28.17 0.1 undecidable manual P 299 429.1482 38 1.03 44
IV.SCHR.EHZ. 2014-01-26T15:00:26.48 0.1 undecidable manual P 300 414.2742 38 1.19 44
IV.MIGL.HHZ. 2014-01-26T15:00:25.13 0.1 undecidable manual P 308 411.2772 38 0.21 65
IV.AMUR.HHZ. 2014-01-26T15:00:25.45 0.1 undecidable manual P 313 420.9564 38 -0.68 54
IV.T0702.EHZ. 2014-01-26T15:00:24.18 1.0 negative manual P 293 392.0076 38 1.66 9
GE.MATE.HHZ. 2014-01-26T15:00:23.24 0.1 undecidable manual P 310 396.4032 38 0.17 70
IV.SALB.HHZ. 2014-01-26T15:00:21.67 0.1 undecidable manual P 297 377.9328 38 0.9 60
IV.NOCI.HHZ. 2014-01-26T15:00:20.82 0.1 positive manual P 315 383.3274 38 -0.62 66
IV.JOPP.HHZ. 2014-01-26T15:00:20.82 0.1 undecidable manual P 275 384.3264 38 -0.74 63
IV.CAR1.HHZ. 2014-01-26T15:00:19.93 0.1 positive manual P 286 366.1557 38 0.62 71
IV.CELI.HHZ. 2014-01-26T15:00:17.22 0.1 undecidable manual P 290 346.0869 38 0.42 82
IV.PIPA.HNZ. 2014-01-26T15:00:14.06 0.6 undecidable manual P 293 324.231 38 -0.03 48
IV.SERS.HHZ. 2014-01-26T15:00:13.27 0.6 positive manual P 284 320.8344 38 -0.39 45
MN.TIP.HHZ. 2014-01-26T15:00:13.27 0.3 positive manual P 287 318.5367 38 -0.12 73
IV.SCTE.HHZ. 2014-01-26T15:00:03.27 0.1 undecidable manual P 320 243.6672 38 -0.79 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AMUR.HHN. ML:4.6 0.0017900000000000001 1.58 AML other m 2014-01-26T15:01:43.71
IV.AMUR.HHE. ML:4.7 0.0024950000000000003 0.68 AML other m 2014-01-26T15:01:44.55
IV.BSSO.HNN. ML:4.6 0.0005994999999999999 0.86 AML other m 2014-01-26T15:02:40.55
IV.BSSO.HHN. ML:4.2 0.00023150000000000002 0.86 AML other m 2014-01-26T15:02:40.55
IV.BSSO.HNE. ML:4.4 0.000438 1.08 AML other m 2014-01-26T15:02:42.30
IV.BSSO.HHE. ML:4.1 0.0001865 1.04 AML other m 2014-01-26T15:02:42.30
IV.CAR1.HNE. ML:4.4 0.001685 0.84 AML other m 2014-01-26T15:01:12.47
IV.CAR1.HNN. ML:4.3 0.0014199999999999998 0.98 AML other m 2014-01-26T15:01:21.64
IV.CAR1.HHN. ML:4.3 0.0015 0.66 AML other m 2014-01-26T15:01:09.40
IV.CAR1.HHE. ML:4.4 0.0020299999999999997 0.6 AML other m 2014-01-26T15:01:12.46
IV.CELI.HNE. ML:4.1 0.001195 1.08 AML other m 2014-01-26T15:01:41.45
IV.CELI.HHE. ML:4.5 0.0029449999999999997 1.08 AML other m 2014-01-26T15:01:41.45
IV.CELI.HHN. ML:4.4 0.00196 1.58 AML other m 2014-01-26T15:01:26.91
IV.CELI.HNN. ML:3.9 0.0007970000000000001 1.58 AML other m 2014-01-26T15:01:26.91
IV.CMPR.HHN. ML:4.2 0.000515 0.78 AML other m 2014-01-26T15:02:11.83
IV.CMPR.HHE. ML:4.2 0.000482 1.2 AML other m 2014-01-26T15:02:07.68
IV.GATE.HNE. ML:4.6 0.0007185000000000001 0.44 AML other m 2014-01-26T15:00:55.39
IV.GATE.HHE. ML:4.5 0.0005625 0.48 AML other m 2014-01-26T15:00:58.53
IV.GATE.HNN. ML:4.7 0.0010314999999999999 1.08 AML other m 2014-01-26T15:02:37.52
IV.GATE.HHN. ML:4.8 0.001057 1.04 AML other m 2014-01-26T15:02:37.50
IV.JOPP.HHE. ML:4.3 0.0012900000000000001 0.68 AML other m 2014-01-26T15:01:02.85
IV.JOPP.HHN. ML:4.1 0.0008975 0.66 AML other m 2014-01-26T15:01:03.65
GE.MATE.HHE. ML:4.5 0.0019299999999999999 0.64 AML other m 2014-01-26T15:01:35.53
GE.MATE.HHN. ML:4.5 0.0020350000000000004 1.12 AML other m 2014-01-26T15:01:42.86
IV.MCEL.HHN. ML:4.4 0.0012 1.04 AML other m 2014-01-26T15:01:55.00
IV.MCEL.HNN. ML:4.4 0.0011899999999999999 1.04 AML other m 2014-01-26T15:01:55.53
IV.MCEL.HNE. ML:4.4 0.001179 1.52 AML other m 2014-01-26T15:02:02.37
IV.MCEL.HHE. ML:4.4 0.0011695 1.52 AML other m 2014-01-26T15:02:02.37
IV.MGR.HNN. ML:4.4 0.0009915 1.38 AML other m 2014-01-26T15:01:08.09
IV.MGR.HHN. ML:4.2 0.0007424999999999999 0.8 AML other m 2014-01-26T15:02:00.25
IV.MGR.HNE. ML:4.3 0.0008695 1.58 AML other m 2014-01-26T15:02:06.45
IV.MGR.HHE. ML:4.2 0.000712 1.58 AML other m 2014-01-26T15:02:06.45
IV.MIGL.HHE. ML:5.1 0.006585 1.16 AML other m 2014-01-26T15:01:54.72
IV.MIGL.HHN. ML:5.1 0.006965 1.12 AML other m 2014-01-26T15:01:49.86
IV.MRLC.HNE. ML:4.6 0.0011899999999999999 0.94 AML other m 2014-01-26T15:02:10.21
IV.MRLC.HHN. ML:4.3 0.000712 1.44 AML other m 2014-01-26T15:02:10.23
IV.MRLC.HHE. ML:4.6 0.001295 0.96 AML other m 2014-01-26T15:02:10.69
IV.MRLC.HNN. ML:4.4 0.0008049999999999999 1.38 AML other m 2014-01-26T15:02:10.92
IV.MRVN.HHN. ML:4.5 0.0012250000000000002 0.9 AML other m 2014-01-26T15:01:57.68
IV.MRVN.HHE. ML:4.6 0.00148 1.1 AML other m 2014-01-26T15:01:55.84
IV.NOCI.HHN. ML:4.8 0.0036900000000000006 0.62 AML other m 2014-01-26T15:01:30.04
IV.NOCI.HHE. ML:4.7 0.0030800000000000003 0.5 AML other m 2014-01-26T15:01:29.79
IV.PALZ.HHN. ML:5.2 0.00551 0.86 AML other m 2014-01-26T15:02:09.08
IV.PALZ.HHE. ML:5.1 0.0046749999999999995 1.58 AML other m 2014-01-26T15:02:10.39
IV.SACR.HHE. ML:4.2 0.0002755 1.26 AML other m 2014-01-26T15:02:34.32
IV.SACR.HHN. ML:4.3 0.0003765 0.96 AML other m 2014-01-26T15:02:33.62
IV.SALB.HHE. ML:4.2 0.001005 1.38 AML other m 2014-01-26T15:01:46.47
IV.SALB.HHN. ML:4.2 0.0009825 1.04 AML other m 2014-01-26T15:01:43.03
IV.SCHR.EHE. ML:4.2 0.000901 0.86 AML other m 2014-01-26T15:01:55.80
IV.SCHR.EHN. ML:4.2 0.0009055 1.48 AML other m 2014-01-26T15:01:50.16
IV.SERS.HHN. ML:3.8 0.000676 0.54 AML other m 2014-01-26T15:00:48.22
IV.SERS.HNE. ML:3.8 0.0006025000000000001 0.7 AML other m 2014-01-26T15:01:23.79
IV.SERS.HNN. ML:3.9 0.000751 0.6 AML other m 2014-01-26T15:00:51.28
IV.SERS.HHE. ML:3.9 0.000824 0.64 AML other m 2014-01-26T15:00:51.29
IV.SGTA.HNN. ML:4.5 0.0009459999999999999 0.84 AML other m 2014-01-26T15:02:20.27
IV.SGTA.HHE. ML:4.7 0.0012349999999999998 0.9 AML other m 2014-01-26T15:02:17.85
IV.SGTA.HNE. ML:4.7 0.0012835000000000001 0.94 AML other m 2014-01-26T15:02:17.39
IV.SGTA.HHN. ML:4.5 0.000843 0.84 AML other m 2014-01-26T15:02:20.27
IV.SLCN.HHE. ML:4.7 0.0020700000000000002 0.82 AML other m 2014-01-26T15:01:26.97
IV.SLCN.HHN. ML:4.5 0.001345 1.02 AML other m 2014-01-26T15:02:03.45
IV.SNAL.HNE. ML:5.6 0.011005000000000001 1.42 AML other m 2014-01-26T15:01:11.95
IV.SNAL.HNN. ML:5.8 0.01525 1.38 AML other m 2014-01-26T15:01:11.96
IV.SNAL.HHE. ML:4.7 0.001355 0.8 AML other m 2014-01-26T15:02:19.72
IV.SNAL.HHN. ML:4.6 0.001155 1.58 AML other m 2014-01-26T15:02:22.08
IV.T0702.EHN. ML:4.1 0.0008795 1.04 AML other m 2014-01-26T15:01:44.55
IV.T0702.EHE. ML:4.4 0.0015955 0.82 AML other m 2014-01-26T15:01:48.40
MN.TIP.HNE. ML:3.7 0.000499 1.1 AML other m 2014-01-26T15:01:15.62
MN.TIP.HHE. ML:3.7 0.000597 1.08 AML other m 2014-01-26T15:01:15.07
MN.TIP.HHN. ML:4.0 0.0010885 1.24 AML other m 2014-01-26T15:01:27.17
MN.TIP.HNN. ML:3.9 0.000879 1.24 AML other m 2014-01-26T15:01:27.18
HL.VLS.HHE. ML:3.6 0.01505 0.08 AML other m 2014-01-26T15:00:54.86
HL.VLS.HHN. ML:3.3 0.008435 1.46 AML other m 2014-01-26T15:00:54.82
TDMT - Time Domain Moment Tensor

TDMT details

Field Value
MagnitudeMw 4.22
Scalar Moment2.68541E+22 dyne-cm
Computed depth10 km
QualityCa
Variance Reduction65.97%
Double Couple96%
CLVD4%
ISO0%
Model usedCIA
Modemanual
Statusreviewed

Moment Tensor Components

Component Value
Mrr-1.003E+20
Mtt2.64237E+22
Mpp-2.63234E+22
Mrt-4.4186E+21
Mrp-2.4948E+21
Mtp-2.647E+20

Nodal Planes

Name Strike Dip Rake
PN122587170
PN2316803

Fault Plane solution

Focal Mechanism

psmeca (GMT documentation)

20.3047 38.3987 10 225 87 170 316 80 3 2.68541 22 20.8047 38.8987

TDMT references

More info and references

PDF Solution

Download TDMT soution in PDF format
Download TDMT soution in PDF format

Station Distribution

Station Distribution

TDMT station details

Sta Dist Azi V R zcor
LIT 266.9 44.3 72.75% 211
LKD2 53.1 35.3 72.7% 187
ITM 196.8 133 52.54% 202
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download