Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 31-10-2014 and time 10:28:46 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.8 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 31-10-2014 10:28:46 (UTC)
  • 31-10-2014 11:28:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4260, 15.8180 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gioia Tauro RC 7 19864 19864
Palmi RC 8 18930 38794
San Ferdinando RC 11 4490 43284
Seminara RC 11 2811 46095
Rizziconi RC 12 7829 53924
Melicuccà RC 15 930 54854
Bagnara Calabra RC 16 10255 65109
Rosarno RC 16 14841 79950
Nicotera VV 17 6290 86240
San Procopio RC 17 534 86774
Sant'Eufemia d'Aspromonte RC 18 4120 90894
Sinopoli RC 19 2089 92983
Taurianova RC 19 15636 108619
Joppolo VV 19 1926 110545
Varapodio RC 19 2160 112705
Cosoleto RC 19 859 113564
Limbadi VV 20 3695 117259

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Messina (238439 inhabitants)
38 Km NE of Reggio di Calabria (183035 inhabitants)
75 Km SW of Lamezia Terme (70714 inhabitants)
86 Km SW of Catanzaro (90612 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
Bulletin
Rev1000 		ML 1.8 2014-10-31
10:28:46		 38.4262 15.818 10 2015-09-21
09:40:11		 Bollettino Sismico Italiano INGV 17082891
Reviewed
Rev100 		ML 1.9 2014-10-31
10:28:46		 38.4252 15.832 14 2014-10-31
10:35:40		 Sala Sismica INGV-Roma 9157271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-10-31 10:28:46 ± 0.09
Latitude 38.4262 ± 0.0045
Longitude 15.8180 ± 0.0069
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17082891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 498
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 327
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65830
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 17082891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-02-17 12:43:46

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 9157271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-10-31 10:35:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2014-10-31T10:29:13.97 3.0 positive manual Pn 0.1 0
IV.AIO.HHZ. 2014-10-31T10:29:08.98 0.1 undecidable manual S 225 71.7726 50 0.56 80
IV.MCSR.HHZ. 2014-10-31T10:29:06.76 0.1 undecidable manual S 232 65.0904 50 0.13 90
IV.MPAZ.HHZ. 2014-10-31T10:29:04.17 0.1 undecidable manual S 163 55.0005 50 0.22 90
IV.PLAC.HHZ. 2014-10-31T10:29:04.36 0.1 undecidable manual S 87 54.0015 50 0.69 79
IV.MPNC.HHZ. 2014-10-31T10:29:03.04 0.1 undecidable manual S 233 51.0156 50 0.15 92
IV.MTTG.HHZ. 2014-10-31T10:29:02.37 0.1 undecidable manual S 192 48.0186 50 0.28 90
IV.ATN.BHZ. 2014-10-31T10:29:00.54 0.3 undecidable manual S 226 42.7239 50 -0.12 70
IV.SOI.EHZ. 2014-10-31T10:29:00.84 0.1 undecidable manual S 152 44.2224 50 -0.23 91
IV.IVPL.HHZ. 2014-10-31T10:28:59.14 0.1 undecidable manual P 266 73.0713 50 -0.27 86
IV.AIO.HHZ. 2014-10-31T10:28:59.49 0.1 undecidable manual P 225 71.7726 50 0.28 86
IV.MCSR.HHZ. 2014-10-31T10:28:58.19 0.1 undecidable manual P 232 65.0904 50 0.02 92
IV.IST3.HHZ. 2014-10-31T10:28:58.87 0.1 undecidable manual P 309 65.5899 50 0.61 80
IV.MSRU.HHZ. 2014-10-31T10:28:57.54 0.1 undecidable manual S 236 32.4453 50 -0.38 90
IV.PLAC.HHZ. 2014-10-31T10:28:56.12 0.1 undecidable manual P 87 54.0015 50 -0.34 88
IV.MPAZ.HHZ. 2014-10-31T10:28:56.11 0.1 undecidable manual P 163 55.0005 50 -0.51 84
IV.MTTG.HHZ. 2014-10-31T10:28:55.23 0.1 undecidable manual P 192 48.0186 50 -0.32 89
IV.MPNC.HHZ. 2014-10-31T10:28:55.63 0.1 undecidable manual P 233 51.0156 50 -0.38 87
IV.MSCL.HHZ. 2014-10-31T10:28:55.11 0.3 undecidable manual S 186 21.6672 115 0.18 72
IV.SOI.EHZ. 2014-10-31T10:28:54.49 0.1 positive manual P 152 44.2224 50 -0.48 87
MN.CEL.HHZ. 2014-10-31T10:28:54.26 0.1 undecidable manual S 160 19.5693 118 0 100
IV.JOPP.HHZ. 2014-10-31T10:28:54.65 0.1 undecidable manual S 16 20.868 116 -0.03 99
IV.ATN.BHZ. 2014-10-31T10:28:54.45 0.3 undecidable manual P 226 42.7239 50 -0.28 68
IV.MSRU.HHZ. 2014-10-31T10:28:53.09 0.1 undecidable manual P 236 32.4453 50 -0.05 97
IV.JOPP.HHZ. 2014-10-31T10:28:51.24 0.1 positive manual P 16 20.868 116 -0.04 99
IV.MSCL.HHZ. 2014-10-31T10:28:51.64 0.1 undecidable manual P 186 21.6672 115 0.22 95
MN.CEL.HHZ. 2014-10-31T10:28:51.20 0.1 positive manual P 160 19.5693 118 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATN.BHN. ML:2.0 0.00034399999999999996 0.2 AML other m 2014-10-31T10:29:02.12
IV.ATN.BHE. ML:0.8 0.000020649999999999997 0.76 AML other m 2014-10-31T10:29:38.16
MN.CEL.HNE. ML:1.6 0.00028300000000000005 0.6 AML other m 2014-10-31T10:28:54.53
MN.CEL.HHE. ML:1.7 0.0003535 0.6 AML other m 2014-10-31T10:28:54.53
MN.CEL.HHN. ML:1.9 0.0006739999999999999 0.2 AML other m 2014-10-31T10:28:54.53
MN.CEL.HNN. ML:1.8 0.00054 0.18 AML other m 2014-10-31T10:28:54.54
IV.IST3.HHE. ML:2.1 0.000235 0.94 AML other m 2014-10-31T10:29:12.90
IV.IST3.HHN. ML:2.2 0.0002915 0.32 AML other m 2014-10-31T10:29:11.74
IV.JOPP.HHN. ML:1.6 0.000311 0.24 AML other m 2014-10-31T10:28:54.88
IV.JOPP.HHE. ML:1.4 0.000182 0.14 AML other m 2014-10-31T10:28:57.30
IV.MCSR.HHN. ML:2.1 0.0002485 0.8 AML other m 2014-10-31T10:29:10.14
IV.MCSR.HHE. ML:2.2 0.000258 0.28 AML other m 2014-10-31T10:29:09.37
IV.MPAZ.HHN. ML:1.8 0.00015949999999999997 0.24 AML other m 2014-10-31T10:29:06.70
IV.MPAZ.HHE. ML:1.6 0.0000959 0.98 AML other m 2014-10-31T10:29:04.94
IV.MPNC.HHN. ML:2.0 0.00027649999999999994 1.58 AML other m 2014-10-31T10:29:04.26
IV.MPNC.HHE. ML:2.1 0.000337 0.44 AML other m 2014-10-31T10:29:04.28
IV.MSCL.HHE. ML:2.3 0.0014399999999999999 0.12 AML other m 2014-10-31T10:28:56.15
IV.MSCL.HHN. ML:2.4 0.001585 0.64 AML other m 2014-10-31T10:28:55.19
IV.MSRU.HHE. ML:1.8 0.000284 1.58 AML other m 2014-10-31T10:28:59.11
IV.MSRU.HHN. ML:1.8 0.000275 1.5 AML other m 2014-10-31T10:28:59.00
IV.PLAC.HHE. ML:1.5 0.00007805 0.32 AML other m 2014-10-31T10:29:07.54
IV.PLAC.HHN. ML:1.6 0.00008615000000000001 0.28 AML other m 2014-10-31T10:29:04.82
IV.SOI.EHN. ML:1.6 0.0001203 0.82 AML other m 2014-10-31T10:29:02.75
IV.SOI.EHE. ML:1.7 0.00013800000000000002 0.46 AML other m 2014-10-31T10:29:02.02
TDMT - Time Domain Moment Tensor
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