Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 01-11-2013 and time 01:54:30 (UTC) in region 4 km E Valledolmo (PA)

A magnitude ML 2.2 earthquake occured in region: 4 km E Valledolmo (PA), on

  • 01-11-2013 01:54:30 (UTC)
  • 01-11-2013 02:54:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7400, 13.8770 at 5 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
Valledolmo PA 4 3594 3594
Vallelunga Pratameno CL 8 3461 7055
Caltavuturo PA 9 4017 11072
Sclafani Bagni PA 9 426 11498
Villalba CL 10 1633 13131
Scillato PA 13 613 13744
Polizzi Generosa PA 14 3407 17151
Alia PA 15 3623 20774
Resuttano CL 15 2038 22812
Castellana Sicula PA 16 3411 26223
Montemaggiore Belsito PA 16 3365 29588
Marianopoli CL 16 1906 31494
Aliminusa PA 16 1236 32730
Blufi PA 18 1029 33759
Cerda PA 19 5330 39089
Bompietro PA 20 1401 40490

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Caltanissetta (63360 inhabitants)
50 Km SE of Bagheria (55387 inhabitants)
54 Km NE of Agrigento (59770 inhabitants)
62 Km SE of Palermo (674435 inhabitants)
82 Km NW of Gela (75827 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 2013-11-01
01:54:30		 37.7397 13.8768 5 2015-01-20
11:29:33		 Bollettino Sismico Italiano INGV 4803781
Reviewed
Rev100 		ML 2.2 2013-11-01
01:54:31		 37.7173 13.8558 6 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4774321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-11-01 01:54:30 ± 0.17
Latitude 37.7397 ± 0.0108
Longitude 13.8768 ± 0.0102
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4803781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1085
Semi-minor axis of confidence ellipse (meter) 543
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 175
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.53
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 1.25905
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 4803781
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:05:30

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 4774321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-11-01 02:05:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2013-11-01T01:54:53.55 0.3 undecidable manual P 128 139.7601 50 -1.03 44
IV.AIO.HHZ. 2013-11-01T01:54:52.08 1.0 undecidable manual P 77 121.4895 50 0.32 20
IV.NOV.HHZ. 2013-11-01T01:54:50.56 1.0 undecidable manual P 73 114.7962 50 -0.17 21
IV.IFIL.HHZ. 2013-11-01T01:54:49.31 0.6 undecidable manual P 33 109.9122 50 -0.66 37
IV.MUCR.HHZ. 2013-11-01T01:54:47.18 0.3 undecidable manual P 69 93.5397 50 -0.27 64
IV.HLNI.HHZ. 2013-11-01T01:54:47.90 0.3 undecidable manual P 116 97.7244 50 -0.19 65
IV.IACL.HHZ. 2013-11-01T01:54:47.67 0.3 undecidable manual P 25 97.4247 50 -0.37 62
IV.MCPD.HHZ. 2013-11-01T01:54:46.19 0.3 undecidable manual P 60 85.8474 50 -0.07 68
IV.CRJA.SHZ. 2013-11-01T01:54:45.00 0.6 undecidable manual P 275 76.8675 50 0.13 45
MN.CLTB.HHZ. 2013-11-01T01:54:43.89 0.1 undecidable manual P 253 60.7947 50 1.49 54
IV.FAVR.HHE. 2013-11-01T01:54:43.55 0.3 undecidable manual P 199 55.5999 1.95 30
IV.MSFR.HHZ. 2013-11-01T01:54:43.82 0.1 undecidable manual P 62 70.5738 50 -0.09 93
IV.GALF.HHZ. 2013-11-01T01:54:43.10 0.3 undecidable manual P 93 60.5949 50 0.73 59
IV.MPG.SHZ. 2013-11-01T01:54:43.34 0.3 undecidable manual P 316 65.0904 50 0.28 68
IV.CLTA.HHE. 2013-11-01T01:54:43.62 0.3 undecidable manual P 173 64.9905 50 0.57 63
IV.GIB.HHZ. 2013-11-01T01:54:42.07 0.1 undecidable manual S 25 30.6471 100 0.41 93
IV.SOLUN.HHZ. 2013-11-01T01:54:40.15 0.3 undecidable manual P 322 49.3173 50 -0.49 66
IV.CORL.HHZ. 2013-11-01T01:54:40.18 0.1 undecidable manual P 289 53.1024 50 -1.03 70
IV.PETRA.HHZ. 2013-11-01T01:54:39.66 0.6 undecidable manual S 63 23.2545 103 0.52 46
IV.RESU.HHZ. 2013-11-01T01:54:37.70 0.6 undecidable manual S 123 18.87 105 0.05 51
IV.GIB.HHZ. 2013-11-01T01:54:37.17 0.1 undecidable manual P 25 30.6471 100 0.07 100
IV.ALJA.HHZ. 2013-11-01T01:54:35.40 0.3 undecidable manual S 275 10.878 116 0.37 73
IV.PETRA.HHZ. 2013-11-01T01:54:35.99 0.1 undecidable manual P 63 23.2545 103 0.35 96
IV.RESU.HHZ. 2013-11-01T01:54:33.86 0.1 undecidable manual P 123 18.87 105 -0.92 79
IV.ALJA.HHZ. 2013-11-01T01:54:32.52 0.1 undecidable manual P 275 10.878 116 -0.75 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.0 0.00007384999999999999 1.46 AML other m 2013-11-01T01:55:20.29
IV.AIO.HHN. ML:2.0 0.00007694999999999999 0.98 AML other m 2013-11-01T01:55:24.47
IV.ALJA.HHE. ML:2.2 0.002545 1.22 AML other m 2013-11-01T01:54:37.74
IV.ALJA.HHN. ML:2.4 0.003405 0.42 AML other m 2013-11-01T01:54:42.14
IV.CORL.HHE. ML:2.4 0.0005995 0.56 AML other m 2013-11-01T01:54:59.72
IV.CORL.HHN. ML:2.3 0.0005024999999999999 0.96 AML other m 2013-11-01T01:55:09.74
IV.GIB.HHE. ML:2.5 0.001635 0.78 AML other m 2013-11-01T01:54:47.12
IV.GIB.HHN. ML:2.4 0.0011 0.44 AML other m 2013-11-01T01:54:48.52
IV.HLNI.HHN. ML:2.0 0.00009655 0.8 AML other m 2013-11-01T01:55:09.18
IV.HLNI.HHE. ML:1.9 0.0000771 1.56 AML other m 2013-11-01T01:55:05.95
IV.IACL.HHN. ML:2.4 0.00023199999999999997 0.44 AML other m 2013-11-01T01:55:20.16
IV.IACL.HHE. ML:2.3 0.000193 1.36 AML other m 2013-11-01T01:55:20.14
IV.IFIL.HHE. ML:2.9 0.0007109999999999999 0.48 AML other m 2013-11-01T01:55:11.84
IV.IFIL.HHN. ML:2.4 0.0002295 0.4 AML other m 2013-11-01T01:55:12.16
IV.MCPD.HHN. ML:1.9 0.00009425 0.66 AML other m 2013-11-01T01:55:04.96
IV.MCPD.HHE. ML:1.8 0.00008774999999999999 1.32 AML other m 2013-11-01T01:55:18.63
IV.MCT.BHN. ML:2.6 0.00237 0.4 AML other m 2013-11-01T01:54:41.77
IV.MCT.BHE. ML:2.4 0.0015249999999999999 1.2 AML other m 2013-11-01T01:54:49.57
IV.MPG.SHE. ML:1.8 0.0001295 0.6 AML other m 2013-11-01T01:55:05.45
IV.MPG.SHN. ML:2.0 0.0001855 1.08 AML other m 2013-11-01T01:54:57.61
IV.MSFR.HHE. ML:1.7 0.0000885 1.54 AML other m 2013-11-01T01:55:10.73
IV.MSFR.HHN. ML:1.8 0.00010950000000000002 0.78 AML other m 2013-11-01T01:55:00.18
IV.MUCR.HHN. ML:2.2 0.000167 1.58 AML other m 2013-11-01T01:55:12.34
IV.MUCR.HHE. ML:2.0 0.0000996 0.78 AML other m 2013-11-01T01:55:10.25
IV.NOV.HHN. ML:2.1 0.000104 1.24 AML other m 2013-11-01T01:55:16.51
IV.NOV.HHE. ML:2.2 0.00012565 0.72 AML other m 2013-11-01T01:55:16.38
IV.PETRA.HHN. ML:2.3 0.001355 1.3 AML other m 2013-11-01T01:54:45.85
IV.PETRA.HHE. ML:2.3 0.0013050000000000002 0.68 AML other m 2013-11-01T01:54:47.81
IV.RESU.HHN. ML:2.6 0.003705 0.46 AML other m 2013-11-01T01:54:43.10
IV.RESU.HHE. ML:2.5 0.002845 0.48 AML other m 2013-11-01T01:54:42.81
IV.SOLUN.HHN. ML:1.6 0.00012209999999999999 1.06 AML other m 2013-11-01T01:54:53.55
IV.SOLUN.HHE. ML:1.8 0.000156 0.46 AML other m 2013-11-01T01:54:57.35
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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