Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-10-2013 and time 08:35:41 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 2.3 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 07-10-2013 06:35:41 (UTC)
  • 07-10-2013 08:35:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0120, 16.2530 at 60 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
Africo RC 12 3075 3075
Bianco RC 13 4273 7348
Brancaleone RC 14 3584 10932
Ferruzzano RC 15 772 11704
Bruzzano Zeffirio RC 15 1111 12815
Bovalino RC 17 8905 21720
Caraffa del Bianco RC 17 539 22259
Casignana RC 17 759 23018
Sant'Agata del Bianco RC 17 592 23610
Samo RC 19 809 24419
Staiti RC 19 248 24667

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km E of Reggio di Calabria (183035 inhabitants)
64 Km E of Messina (238439 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 2.3 2013-10-07
06:35:41		 38.0123 16.2533 60 2015-01-20
11:29:22		 Bollettino Sismico Italiano INGV 4902701
Reviewed
Rev100 		ML 2.1 2013-10-07
06:35:42		 38.0205 16.2457 54 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4623441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-10-07 06:35:41 ± 0.31
Latitude 38.0123 ± 0.0162
Longitude 16.2533 ± 0.0251
Depth (km) 60 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4902701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2134
Semi-minor axis of confidence ellipse (meter) 1150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 2130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 199
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.62238
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 4902701
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:26:38

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 4623441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-10-07 06:57:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2013-10-07T06:37:31.58 3.0 positive manual Pg 20.120001 0
IV.NARO.HHZ. 2013-10-07T06:37:10.03 3.0 undecidable manual Pn -3.24 0
IV.PE3.EHZ. 2013-10-07T06:37:08.51 3.0 undecidable manual Pn -6.2 0
IV.T0721.HNZ. 2013-10-07T06:36:38.99 3.0 undecidable manual Sg -0.08 0
IV.IFIL.HHZ. 2013-10-07T06:36:37.99 3.0 undecidable manual Sg 11.98 0
IV.MCRV.HHZ. 2013-10-07T06:36:28.17 3.0 positive manual Pn 0.99 0
IV.CMPR.HHZ. 2013-10-07T06:36:16.15 3.0 undecidable manual Pn -4.54 0
IV.T0721.EHZ. 2013-10-07T06:36:15.53 3.0 positive manual Pg 1.44 0
IV.MPNC.HHZ. 2013-10-07T06:36:07.02 0.6 undecidable manual S 281 80.0643 116 -0.21 49
IV.HPAC.HHE. 2013-10-07T06:36:07.81 0.6 undecidable manual P 217 180.0864 99 -0.57 33
IV.ATN.BHZ. 2013-10-07T06:36:06.02 0.6 undecidable manual S 284 70.7736 120 0.55 42
IV.JOPP.HHZ. 2013-10-07T06:36:05.38 0.3 undecidable manual S 334 73.2711 119 -0.56 63
IV.HAVL.HHZ. 2013-10-07T06:36:04.32 0.6 undecidable manual P 221 153.4353 101 -0.8 34
IV.SSY.HHZ. 2013-10-07T06:36:02.55 0.6 undecidable manual P 228 140.4483 102 -0.99 33
IV.MUCR.HHZ. 2013-10-07T06:36:01.67 0.3 undecidable manual P 272 120.5904 105 0.54 60
IV.IST3.HHZ. 2013-10-07T06:36:00.95 0.6 undecidable manual P 315 124.5864 105 -0.67 37
IV.NOV.HHZ. 2013-10-07T06:35:58.77 0.3 undecidable manual P 271 97.6245 110 0.37 66
IV.AIO.HHZ. 2013-10-07T06:35:57.88 0.3 undecidable manual P 267 89.3439 113 0.44 66
IV.SOI.EHZ. 2013-10-07T06:35:57.49 0.6 undecidable manual S 291 18.6702 159 -0.46 51
IV.MPNC.HHZ. 2013-10-07T06:35:56.40 0.6 undecidable manual P 281 80.0643 116 0.01 49
IV.MSRU.HHZ. 2013-10-07T06:35:55.51 0.3 undecidable manual P 293 70.7736 120 0.14 73
IV.JOPP.HHZ. 2013-10-07T06:35:55.70 0.3 undecidable manual P 334 73.2711 119 0.05 73
IV.ATN.BHZ. 2013-10-07T06:35:55.76 0.6 undecidable manual P 284 70.7736 120 0.39 46
IV.PLAC.HHE. 2013-10-07T06:35:53.74 0.1 undecidable manual P 18 51.1155 131 0.37 100
IV.MSCL.HHZ. 2013-10-07T06:35:53.05 0.3 undecidable manual P 301 47.2194 134 0.04 78
IV.SOI.EHZ. 2013-10-07T06:35:51.08 0.3 undecidable manual P 291 18.6702 159 0.05 82
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATN.BHN. ML:2.4 0.0002575 0.24 AML other m 2013-10-07T06:36:06.49
IV.ATN.BHE. ML:2.3 0.00023199999999999997 0.88 AML other m 2013-10-07T06:36:06.95
IV.IST3.HHE. ML:2.8 0.0004005 1.14 AML other m 2013-10-07T06:36:49.59
IV.IST3.HHN. ML:3.3 0.0010734999999999998 0.88 AML other m 2013-10-07T06:36:51.43
IV.MPNC.HHN. ML:2.4 0.000235 0.34 AML other m 2013-10-07T06:36:08.44
IV.MPNC.HHE. ML:2.0 0.00011149999999999999 0.34 AML other m 2013-10-07T06:36:08.73
IV.MSCL.HHE. ML:2.1 0.0001855 0.6 AML other m 2013-10-07T06:36:01.75
IV.MSCL.HHN. ML:2.1 0.000185 0.46 AML other m 2013-10-07T06:36:03.14
IV.MSRU.HHN. ML:2.1 0.0001305 1.36 AML other m 2013-10-07T06:36:06.33
IV.MSRU.HHE. ML:2.1 0.0001555 0.42 AML other m 2013-10-07T06:36:07.72
IV.NOV.HHN. ML:1.8 0.00005385 0.62 AML other m 2013-10-07T06:36:13.30
IV.NOV.HHE. ML:2.0 0.0000892 1 AML other m 2013-10-07T06:36:14.89
IV.SSY.HHE. ML:2.4 0.0001381 1.44 AML other m 2013-10-07T06:36:20.44
IV.SSY.HHN. ML:2.7 0.00023349999999999998 1.16 AML other m 2013-10-07T06:36:22.36
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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