Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 21-09-2013 and time 15:17:47 (UTC) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 2.5 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 21-09-2013 15:17:47 (UTC)
  • 21-09-2013 17:17:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7940, 16.3600 at 35 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km SE of Reggio di Calabria (183035 inhabitants)
83 Km SE 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 2.5 2013-09-21
15:17:47		 37.7943 16.36 35 2015-01-20
11:29:03		 Bollettino Sismico Italiano INGV 8872191
Reviewed
Rev100 		ML 2.4 2013-09-21
15:17:47		 37.7923 16.3562 35 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4532281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-21 15:17:47 ± 0.19
Latitude 37.7943 ± 0.0090
Longitude 16.3600 ± 0.0148
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8872191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1126
Semi-minor axis of confidence ellipse (meter) 1003
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.03971
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 8872191
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:10:50

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 4532281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-21 15:34:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PESA.HHZ. 2013-09-21T15:19:27.92 3.0 undecidable manual Pn 3.83 0
IV.VAGA.HHZ. 2013-09-21T15:19:26.99 3.0 undecidable manual Sn -4.8 0
IV.ARRO.EHZ. 2013-09-21T15:19:22.19 3.0 undecidable manual Pg 14.39 0
AC.SRN.HHZ. 2013-09-21T15:19:18.99 3.0 undecidable manual Sn -4.42 0
HL.KEK.HHZ. 2013-09-21T15:19:13.99 3.0 undecidable manual Sn -4.34 0
IV.NOCI.HHZ. 2013-09-21T15:19:04.99 3.0 undecidable manual Sn 337.4067 -5.74 0
MN.TIR.HHZ. 2013-09-21T15:18:57.75 3.0 negative manual Pn 3.25 0
IV.MRVN.HHZ. 2013-09-21T15:18:36.59 3.0 positive manual Pn -0.76 0
IV.NOCI.HHZ. 2013-09-21T15:18:32.24 3.0 negative manual Pn 337.4067 -2.26 0
IV.HMDC.HHZ. 2013-09-21T15:18:30.49 0.3 undecidable manual S 237 167.1105 54 -0.77 47
IV.NOV.HHZ. 2013-09-21T15:18:19.53 0.3 undecidable manual S 284 110.112 54 0.54 61
IV.AIO.HHZ. 2013-09-21T15:18:17.43 0.3 undecidable manual S 282 100.6215 54 0.49 63
IV.MPNC.HHZ. 2013-09-21T15:18:16.26 0.3 undecidable manual S 294 96.3258 54 0.24 67
IV.PIPA.HHZ. 2013-09-21T15:18:16.78 3.0 undecidable manual Pn 0.28 0
IV.MSRU.HHZ. 2013-09-21T15:18:14.39 0.3 undecidable manual S 305 90.8424 54 -0.44 65
IV.ATN.BHZ. 2013-09-21T15:18:14.00 0.3 undecidable manual S 298 88.1451 54 -0.25 68
IV.HBSP.HHZ. 2013-09-21T15:18:14.45 0.1 undecidable manual P 246 180.3861 54 0.01 72
IV.HPAC.HHZ. 2013-09-21T15:18:13.58 0.1 undecidable manual P 225 167.8098 54 0.71 63
IV.HMDC.HHZ. 2013-09-21T15:18:12.93 0.1 undecidable manual P 237 167.1105 54 0.15 75
IV.MSFR.HHZ. 2013-09-21T15:18:12.49 0.3 negative manual P 280 157.0206 54 0.96 45
IV.CAR1.HHZ. 2013-09-21T15:18:12.08 0.1 undecidable manual P 355 162.3153 54 -0.12 78
IV.HVZN.HHZ. 2013-09-21T15:18:11.88 0.1 undecidable manual P 245 160.1175 54 -0.03 80
MN.TIP.HHZ. 2013-09-21T15:18:11.69 0.1 undecidable manual P 13 157.5201 54 0.1 79
IV.PLAC.HHZ. 2013-09-21T15:18:10.44 0.3 undecidable manual S 5 72.9714 111 -0.23 70
IV.MUCR.HHZ. 2013-09-21T15:18:09.18 0.3 negative manual P 282 132.9669 54 0.65 56
IV.MSCL.HHZ. 2013-09-21T15:18:09.63 0.3 undecidable manual S 314 69.5748 112 -0.19 71
IV.HAVL.HHZ. 2013-09-21T15:18:09.83 0.1 undecidable manual P 230 143.1456 54 0.03 84
IV.IVPL.HHZ. 2013-09-21T15:18:08.16 0.1 undecidable manual P 299 136.6632 54 -0.84 68
IV.SSY.HHZ. 2013-09-21T15:18:08.33 0.1 positive manual P 238 133.4664 54 -0.27 83
IV.GMB.BHZ. 2013-09-21T15:18:07.54 0.3 undecidable manual S 312 62.2932 115 -0.49 67
IV.NOV.HHZ. 2013-09-21T15:18:06.34 0.1 undecidable manual P 284 110.112 54 0.64 78
IV.HAGA.HHZ. 2013-09-21T15:18:06.40 0.1 undecidable manual P 242 120.0909 54 -0.54 80
IV.MILZ.HHZ. 2013-09-21T15:18:05.31 0.1 undecidable manual P 299 111.8991 54 -0.61 79
IV.AIO.HHZ. 2013-09-21T15:18:05.10 0.1 undecidable manual P 282 100.6215 54 0.59 81
IV.AGST.EHZ. 2013-09-21T15:18:05.92 0.1 undecidable manual P 239 116.1948 54 -0.52 81
IV.JOPP.HHZ. 2013-09-21T15:18:04.11 0.1 negative manual P 335 99.123 54 -0.22 89
IV.MPNC.HHZ. 2013-09-21T15:18:04.04 0.3 positive manual P 294 96.3258 54 0.06 70
IV.MSRU.HHZ. 2013-09-21T15:18:03.00 0.1 undecidable manual P 305 90.8424 54 -0.29 89
IV.SOI.EHZ. 2013-09-21T15:18:03.25 0.3 undecidable manual S 319 40.9257 126 0.14 77
IV.ATN.BHZ. 2013-09-21T15:18:02.95 0.1 undecidable manual P 298 88.1451 54 -0.01 95
IV.PLAC.HHZ. 2013-09-21T15:18:01.25 0.1 positive manual P 5 72.9714 111 0.36 92
IV.MSCL.HHZ. 2013-09-21T15:18:00.32 0.1 negative manual P 314 69.5748 112 -0.08 97
IV.GMB.BHZ. 2013-09-21T15:17:59.37 0.1 undecidable manual P 312 62.2932 115 0 100
IV.SOI.EHZ. 2013-09-21T15:17:57.06 0.1 undecidable manual P 319 40.9257 126 0.53 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.3 0.0001825 0.66 AML other m 2013-09-21T15:18:17.75
IV.AIO.HHN. ML:2.3 0.000176 0.28 AML other m 2013-09-21T15:18:20.35
IV.AMUR.HHN. ML:2.6 0.0000303 1.14 AML other m 2013-09-21T15:19:08.51
IV.AMUR.HHE. ML:2.6 0.0000363 1.08 AML other m 2013-09-21T15:19:10.85
IV.ATN.BHN. ML:2.5 0.000338 0.88 AML other m 2013-09-21T15:18:16.53
IV.ATN.BHE. ML:2.5 0.0003655 0.4 AML other m 2013-09-21T15:18:17.59
IV.CAR1.HHN. ML:2.5 0.0001285 0.34 AML other m 2013-09-21T15:18:29.05
IV.CAR1.HHE. ML:2.5 0.000129 0.56 AML other m 2013-09-21T15:18:29.88
IV.GMB.BHN. ML:3.1 0.0022299999999999998 1.16 AML other m 2013-09-21T15:18:07.77
IV.GMB.BHE. ML:3.2 0.0023099999999999996 1.56 AML other m 2013-09-21T15:18:07.83
IV.HAGA.HHE. ML:2.5 0.00020150000000000002 0.22 AML other m 2013-09-21T15:18:19.64
IV.HAGA.HHN. ML:2.4 0.000187 0.6 AML other m 2013-09-21T15:18:19.38
IV.HAVL.HHN. ML:2.6 0.0002045 0.88 AML other m 2013-09-21T15:18:28.10
IV.HAVL.HHE. ML:2.5 0.0001805 0.22 AML other m 2013-09-21T15:18:28.56
IV.HMDC.HHN. ML:2.8 0.000254 0.72 AML other m 2013-09-21T15:18:30.81
IV.HMDC.HHE. ML:2.8 0.000266 0.72 AML other m 2013-09-21T15:18:31.66
IV.HPAC.HHE. ML:2.7 0.0002115 1.28 AML other m 2013-09-21T15:18:32.79
IV.HPAC.HHN. ML:2.6 0.0001785 1.24 AML other m 2013-09-21T15:18:32.88
IV.HVZN.HHN. ML:3.2 0.000712 0.36 AML other m 2013-09-21T15:18:33.84
IV.HVZN.HHE. ML:3.1 0.000606 1.46 AML other m 2013-09-21T15:18:35.40
IV.IVPL.HHE. ML:2.9 0.00044500000000000003 0.42 AML other m 2013-09-21T15:18:33.50
IV.IVPL.HHN. ML:3.0 0.000575 0.78 AML other m 2013-09-21T15:18:35.70
IV.JOPP.HHN. ML:2.4 0.0002395 0.28 AML other m 2013-09-21T15:18:16.61
IV.JOPP.HHE. ML:2.4 0.00021650000000000003 0.22 AML other m 2013-09-21T15:18:16.32
IV.MILZ.HHN. ML:2.3 0.00016599999999999997 0.78 AML other m 2013-09-21T15:18:18.97
IV.MILZ.HHE. ML:2.3 0.0001705 0.52 AML other m 2013-09-21T15:18:25.42
IV.MPNC.HHN. ML:2.6 0.000374 0.76 AML other m 2013-09-21T15:18:17.06
IV.MPNC.HHE. ML:2.6 0.0003665 1.06 AML other m 2013-09-21T15:18:19.12
IV.MSCL.HHN. ML:3.0 0.001645 0.44 AML other m 2013-09-21T15:18:09.85
IV.MSCL.HHE. ML:2.7 0.000744 0.7 AML other m 2013-09-21T15:18:10.32
IV.MSFR.HHN. ML:1.9 0.0000375 1.36 AML other m 2013-09-21T15:18:32.88
IV.MSFR.HHE. ML:2.0 0.00004514999999999999 0.6 AML other m 2013-09-21T15:18:31.21
IV.MSRU.HHN. ML:2.4 0.000272 0.3 AML other m 2013-09-21T15:18:15.06
IV.MSRU.HHE. ML:2.3 0.00022899999999999998 0.36 AML other m 2013-09-21T15:18:18.57
IV.MUCR.HHE. ML:2.2 0.00010545 1.58 AML other m 2013-09-21T15:18:28.16
IV.MUCR.HHN. ML:2.3 0.000126 0.3 AML other m 2013-09-21T15:18:26.22
IV.NOV.HHE. ML:2.5 0.00027550000000000003 0.3 AML other m 2013-09-21T15:18:20.99
IV.NOV.HHN. ML:2.6 0.0003025 0.62 AML other m 2013-09-21T15:18:21.14
IV.PIPA.HHE. ML:2.3 0.00006415 0.64 AML other m 2013-09-21T15:18:18.96
IV.PIPA.HHN. ML:2.2 0.00004585 0.8 AML other m 2013-09-21T15:18:17.94
IV.PLAC.HHN. ML:2.1 0.000162 0.48 AML other m 2013-09-21T15:18:11.39
IV.PLAC.HHE. ML:2.1 0.000161 0.7 AML other m 2013-09-21T15:18:14.19
IV.SOI.EHE. ML:2.2 0.0004125 0.32 AML other m 2013-09-21T15:18:03.61
IV.SOI.EHN. ML:2.3 0.000468 0.28 AML other m 2013-09-21T15:18:04.04
IV.SSY.HHN. ML:3.2 0.0009570000000000001 0.16 AML other m 2013-09-21T15:18:27.01
IV.SSY.HHE. ML:2.9 0.0004705 0.28 AML other m 2013-09-21T15:18:23.42
MN.TIP.HHE. ML:1.7 0.00002135 0.5 AML other m 2013-09-21T15:18:36.03
MN.TIP.HHN. ML:1.6 0.000019450000000000002 0.98 AML other m 2013-09-21T15:18:35.64
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
Waveforms Seismic signals in miniseed + resp format Download