Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 07-10-2017 and time 23:23:01 (Italy) in region 3 km S Alessandria del Carretto (CS)

A magnitude ML 2.2 earthquake occured in region: 3 km S Alessandria del Carretto (CS), on

  • 07-10-2017 21:23:01 (UTC)
  • 07-10-2017 23:23:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.9290, 16.3780 at 21 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
Alessandria del Carretto CS 3 462 462
Plataci CS 6 739 1201
San Lorenzo Bellizzi CS 6 644 1845
Cerchiara di Calabria CS 8 2385 4230
Albidona CS 8 1352 5582
Terranova di Pollino PZ 9 1208 6790
Villapiana CS 11 5387 12177
Castroregio CS 11 303 12480
Francavilla Marittima CS 12 2910 15390
Civita CS 12 902 16292
San Paolo Albanese PZ 13 294 16586
Cersosimo PZ 13 656 17242
San Costantino Albanese PZ 14 729 17971
Frascineto CS 14 2154 20125
Trebisacce CS 15 9055 29180
Oriolo CS 15 2223 31403
Cassano all'Ionio CS 17 18495 49898
Amendolara CS 18 2952 52850
Noepoli PZ 18 878 53728
Montegiordano CS 19 1857 55585
Castrovillari CS 20 22240 77825

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km N of Cosenza (67546 inhabitants)
84 Km S of Matera (60436 inhabitants)
93 Km SE of Potenza (67122 inhabitants)
95 Km SW of Taranto (201100 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 2.2 2017-10-07
21:23:01		 39.9288 16.3778 21 2018-09-04
09:07:57		 Bollettino Sismico Italiano INGV 52074001
Reviewed
Rev100 		ML 2.0 2017-10-07
21:23:01		 39.9283 16.3845 22 2017-10-07
21:41:59		 Sala Sismica INGV-Roma 50774091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-10-07 21:23:01 ± 0.11
Latitude 39.9288 ± 0.0045
Longitude 16.3778 ± 0.0082
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52074001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 1.13944
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 52074001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-11-23 09:00:45

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 50774091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-10-07 21:41:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2017-10-07T21:23:34.75 0.6 undecidable manual S 31 111.6993 96 0.55 39
OT.TAR1.HHZ. 2017-10-07T21:23:31.59 0.6 undecidable manual S 49 101.4207 96 0.12 44
IV.MRVN.HHZ. 2017-10-07T21:23:22.70 0.6 undecidable manual P 353 126.4734 95 -0.09 42
IV.MCEL.HHZ. 2017-10-07T21:23:22.42 0.6 undecidable manual S 312 65.6898 100 0.38 45
IV.NOCI.HHZ. 2017-10-07T21:23:20.40 0.6 undecidable manual P 31 111.6993 96 -0.11 43
IV.AMUR.HHN. 2017-10-07T21:23:20.69 0.6 undecidable manual P 10 110.2119 96 0.4 41
OT.TAR1.HHZ. 2017-10-07T21:23:19.37 0.6 undecidable manual P 49 101.4207 96 0.43 41
IV.ACER.HHZ. 2017-10-07T21:23:18.54 0.6 undecidable manual P 339 102.0201 96 -0.5 41
IV.CMPR.HHZ. 2017-10-07T21:23:18.89 0.6 undecidable manual P 296 100.9212 96 0.03 45
IV.CRAC.EHZ. 2017-10-07T21:23:18.45 0.6 undecidable manual S 5 50.4162 104 0.4 46
IV.SERS.HNN. 2017-10-07T21:23:18.72 0.6 undecidable manual P 165 102.5196 96 -0.4 42
IV.SIRI.HHZ. 2017-10-07T21:23:18.73 0.6 undecidable manual S 303 51.6039 104 0.36 46
IV.LTRZ.EHZ. 2017-10-07T21:23:17.06 0.6 undecidable manual P 26 83.6496 98 0.85 36
IV.BULG.HHN. 2017-10-07T21:23:17.10 0.6 undecidable manual P 281 86.6466 97 0.43 42
IV.CAR1.HHN. 2017-10-07T21:23:15.39 0.6 undecidable manual P 191 76.2681 99 0.29 44
GE.MATE.HHN. 2017-10-07T21:23:15.86 0.6 undecidable manual P 19 84.5487 98 -0.5 42
IV.PTRP.HHN. 2017-10-07T21:23:14.52 0.6 undecidable manual P 338 70.9734 99 0.23 46
IV.MGR.HHZ. 2017-10-07T21:23:14.29 0.6 undecidable manual P 289 73.7706 99 -0.42 44
IV.TDS.HHZ. 2017-10-07T21:23:13.31 0.6 undecidable manual S 187 30.0477 116 0.41 47
IV.MTSN.HHZ. 2017-10-07T21:23:12.92 0.6 undecidable manual P 305 64.9905 100 -0.46 44
IV.CELI.HHZ. 2017-10-07T21:23:12.47 0.3 undecidable manual P 169 59.3961 102 -0.07 73
IV.MCEL.HHZ. 2017-10-07T21:23:12.89 0.3 undecidable manual P 312 65.6898 100 -0.6 63
MN.CUC.HHE. 2017-10-07T21:23:11.16 0.6 undecidable manual P 279 48.3183 105 0.28 47
IV.CRAC.EHZ. 2017-10-07T21:23:10.70 0.3 undecidable manual P 5 50.4162 104 -0.49 68
IV.SIRI.HHZ. 2017-10-07T21:23:10.96 0.6 undecidable manual P 303 51.6039 104 -0.41 46
IV.MMN.HHZ. 2017-10-07T21:23:09.08 0.6 undecidable manual P 263 33.2445 113 0.41 47
IV.ORI.HHZ. 2017-10-07T21:23:09.57 0.3 undecidable manual S 24 14.874 139 -0.09 77
IV.TDS.HHZ. 2017-10-07T21:23:08.02 0.1 positive manual P 187 30.0477 116 -0.19 100
IV.SALB.HHZ. 2017-10-07T21:23:08.81 0.6 undecidable manual S 205 6.3936 160 0.32 51
IV.ORI.HHZ. 2017-10-07T21:23:06.08 0.1 positive manual P 24 14.874 139 -0.27 100
IV.SALB.HHZ. 2017-10-07T21:23:05.57 0.3 undecidable manual P 205 6.3936 160 -0.1 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SALB.HHN. ML:2.2 0.0012064307000000001 0.2048 AML other m 2017-10-07T21:23:08.95
IV.SALB.HHE. ML:2.7 0.0035093209999999997 0.2816 AML other m 2017-10-07T21:23:09.15
IV.SIRI.HNE. ML:2.0 0.0002586011 0.2944 AML other m 2017-10-07T21:23:21.50
IV.SIRI.HNN. ML:2.1 0.0003123243 0.2176 AML other m 2017-10-07T21:23:22.14
IV.SIRI.HHN. ML:2.2 0.00032696229999999997 0.2176 AML other m 2017-10-07T21:23:22.14
IV.SIRI.HHE. ML:2.0 0.0002595078 0.2944 AML other m 2017-10-07T21:23:21.50
IV.MCEL.HNE. ML:2.0 0.000166619285 0.256 AML other m 2017-10-07T21:23:25.04
IV.MCEL.HNN. ML:2.2 0.00025354690000000004 0.256 AML other m 2017-10-07T21:23:22.64
IV.MCEL.HHE. ML:2.0 0.00016559501499999998 0.256 AML other m 2017-10-07T21:23:25.04
IV.MCEL.HHN. ML:2.2 0.000270028 0.2816 AML other m 2017-10-07T21:23:22.63
IV.MTSN.HHN. ML:1.8 0.00012134518499999999 0.32 AML other m 2017-10-07T21:23:24.56
IV.LTRZ.EHE. ML:2.1 0.000157171 0.384 AML other m 2017-10-07T21:23:28.11
OT.TAR1.HHN. ML:2.2 0.0001607681 0.2688 AML other m 2017-10-07T21:23:32.69
OT.TAR1.HHE. ML:2.5 0.00027264415 0.3584 AML other m 2017-10-07T21:23:33.51
IV.NOCI.HHE. ML:2.6 0.00032207315000000003 0.4096 AML other m 2017-10-07T21:23:36.12
IV.NOCI.HHN. ML:2.3 0.00017663954500000002 0.2816 AML other m 2017-10-07T21:23:36.12
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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