Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 01-09-2021 and time 22:59:45 (UTC) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 2.4 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 01-09-2021 22:59:45 (UTC)
  • 02-09-2021 00:59:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1340, 13.8840 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
Lascari PA 16 3588 3588
Campofelice di Roccella PA 16 7537 11125
Cefalù PA 16 14393 25518
Gratteri PA 20 963 26481

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Bagheria (55387 inhabitants)
46 Km E of Palermo (674435 inhabitants)
73 Km N of Caltanissetta (63360 inhabitants)
95 Km N of Agrigento (59770 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 2.4 2021-09-01
22:59:45		 38.1343 13.8845 5 2022-03-30
13:04:08		 Bollettino Sismico Italiano INGV 96018531
Reviewed
Rev100 		ML 2.5 2021-09-01
22:59:45		 38.0683 13.8882 21 2021-09-01
23:09:02		 Sala Sismica INGV-Roma 94937021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-01 22:59:45 ± 0.09
Latitude 38.1343 ± 0.0054
Longitude 13.8845 ± 0.0034
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 96018531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 393
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.57651
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 40
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 72
Type of magnitude ML
Reference to an origin 96018531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-18 15:46:28

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 94937021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-01 23:09:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2021-09-01T23:01:39.15 3.0 undecidable manual Sg 8.75 0
IV.FAGN.HHZ. 2021-09-01T23:01:33.45 3.0 undecidable manual Sn -5.49 0
IV.NARO.HHZ. 2021-09-01T23:01:23.58 3.0 undecidable manual Pg 14.76 0
IV.FDMO.HHZ. 2021-09-01T23:01:16.71 3.0 undecidable manual Pg 16.459999 0
IV.FIR.HHZ. 2021-09-01T23:01:13.08 3.0 undecidable manual Pn -1.46 0
OT.OT11.EHZ. 2021-09-01T23:00:51.02 3.0 negative manual Pg 9.67 0
IV.LRP.EHZ. 2021-09-01T23:00:42.41 3.0 undecidable manual Pn 1.63 0
IX.SCL3.EHZ.02 2021-09-01T23:00:41.29 3.0 undecidable manual Pg 9.61 0
IV.PTRJ.HHZ. 2021-09-01T23:00:38.16 3.0 undecidable manual Pn 0.83 0
IV.ISPIC.EHZ. 2021-09-01T23:00:14.36 0.3 undecidable manual P 149 174.9915 50 -0.22 0
IV.HAVL.HHZ. 2021-09-01T23:00:13.10 0.6 undecidable manual P 140 169.7967 50 -0.68 0
IV.HMDC.HHZ. 2021-09-01T23:00:11.05 0.3 undecidable manual P 149 152.4363 50 -0.07 0
IV.SSY.HHZ. 2021-09-01T23:00:10.82 0.3 undecidable manual P 136 150.5382 50 0.01 0
IV.HVIT.HHZ. 2021-09-01T23:00:09.52 0.3 undecidable manual P 156 138.4614 50 0.56 0
IV.HCRL.HHZ. 2021-09-01T23:00:08.82 0.3 undecidable manual P 133 138.0618 50 -0.08 0
IV.MSRU.HHZ. 2021-09-01T23:00:08.16 0.6 undecidable manual P 84 142.2465 50 -1.39 0
IV.HVZN.HHZ. 2021-09-01T23:00:08.16 0.1 undecidable manual P 145 128.7711 50 0.7 0
IV.HLNI.HHZ. 2021-09-01T23:00:07.04 0.1 positive manual P 135 122.8881 50 0.48 0
IV.EMPL.HHZ. 2021-09-01T23:00:06.68 1.0 undecidable manual P 118 107.6145 50 2.48 0
IV.MSFR.HHZ. 2021-09-01T23:00:06.00 0.6 undecidable manual S 100 62.6928 50 0.05 0
IV.CLTA.HHN. 2021-09-01T23:00:06.75 0.3 undecidable manual P 176 108.5136 50 2.41 0
IV.RAFF.HHZ. 2021-09-01T23:00:06.21 0.1 positive manual P 157 109.5126 50 1.72 0
IV.EPIT.HHZ. 2021-09-01T23:00:06.50 0.3 undecidable manual P 109 108.6135 50 2.15 0
IV.MILZ.HHZ. 2021-09-01T23:00:05.25 0.6 undecidable manual P 82 118.3926 50 -0.61 0
IV.EMSG.HHZ. 2021-09-01T23:00:04.73 0.3 undecidable manual P 110 99.4227 50 1.78 0
MN.VAE.HHZ. 2021-09-01T23:00:04.45 0.6 undecidable manual P 151 84.4488 50 3.82 0
IV.EPZF.HHZ. 2021-09-01T23:00:03.45 0.3 undecidable manual P 112 91.7415 50 1.7 0
IV.SCIAC.HHZ. 2021-09-01T23:00:03.57 0.3 undecidable manual P 225 96.9252 50 1.01 0
IV.ESCV.HHZ. 2021-09-01T23:00:03.21 0.6 undecidable manual P 118 92.0412 50 1.4 0
IV.IVUG.HHZ. 2021-09-01T23:00:03.92 0.3 undecidable manual P 73 100.2219 50 0.86 0
IV.MMGO.HHZ. 2021-09-01T23:00:03.41 0.6 undecidable manual P 237 95.238 50 1.12 0
IV.IVPL.HHZ. 2021-09-01T23:00:03.14 0.6 undecidable manual P 74 99.123 50 0.25 0
MN.CLTB.HHN. 2021-09-01T23:00:02.48 0.3 undecidable manual P 224 85.0482 50 1.75 0
IV.CRJA.HHZ. 2021-09-01T23:00:02.01 0.3 undecidable manual P 245 85.3479 50 1.23 0
IV.MBFT.HHZ. 2021-09-01T23:00:01.07 0.1 positive manual P 256 83.9493 50 0.51 0
IV.USI.HHZ. 2021-09-01T23:00:01.22 0.1 negative manual P 316 88.3449 50 -0.01 0
IV.CMDO.HHZ. 2021-09-01T23:00:01.97 0.6 undecidable manual P 184 74.5698 50 2.86 0
IV.MPG.HHZ. 2021-09-01T23:00:01.30 0.6 undecidable manual S 274 45.8208 50 -0.14 27
IV.MUCR.HHZ. 2021-09-01T23:00:00.99 0.3 undecidable manual P 96 86.9463 50 -0.03 0
IV.IFIL.HHZ. 2021-09-01T23:00:00.27 0.3 undecidable manual P 51 76.6677 50 0.83 0
IV.GALF.HHZ. 2021-09-01T22:59:59.82 0.3 undecidable manual P 128 75.9684 50 0.5 0
IV.MCPD.HHZ. 2021-09-01T22:59:59.15 0.3 undecidable manual P 91 73.8705 50 0.14 0
IV.IACL.HHZ. 2021-09-01T22:59:57.90 0.3 undecidable manual P 43 60.2952 50 0.99 2
IV.MSFR.HHZ. 2021-09-01T22:59:57.20 0.3 undecidable manual P 100 62.6928 50 -0.08 0
IV.RESU.HHZ. 2021-09-01T22:59:56.78 0.1 undecidable manual P 164 56.0994 50 0.51 11
IV.SOLUN.HHZ. 2021-09-01T22:59:56.10 0.6 undecidable manual S 261 31.0467 100 -0.29 47
IV.PLLN.EHZ. 2021-09-01T22:59:55.50 0.6 undecidable manual S 125 27.5502 101 0.32 47
IV.SCIAR.HHZ. 2021-09-01T22:59:54.30 0.6 undecidable manual S 209 24.5532 102 0.14 49
IV.MPG.HHZ. 2021-09-01T22:59:54.71 0.1 undecidable manual P 274 45.8208 50 0.03 55
IV.CSLB.HHZ. 2021-09-01T22:59:54.20 0.6 undecidable manual S 145 26.5512 101 -0.65 43
IV.GIB.HHZ. 2021-09-01T22:59:53.00 0.6 undecidable manual S 142 20.2686 105 0.3 47
IV.SOLUN.HHZ. 2021-09-01T22:59:51.87 0.1 negative manual P 261 31.0467 100 0.1 98
IV.PLLN.EHZ. 2021-09-01T22:59:51.03 0.1 negative manual P 125 27.5502 101 -0.04 100
IV.SCIAR.HHZ. 2021-09-01T22:59:50.65 0.1 undecidable manual P 209 24.5532 102 0.17 97
IV.CSLB.HHZ. 2021-09-01T22:59:50.50 0.1 negative manual P 145 26.5512 101 -0.38 93
IV.GIB.HHZ. 2021-09-01T22:59:49.77 0.1 negative manual P 142 20.2686 105 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIB.HHN. ML:2.6 0.003075 0.36 AML other m 2021-09-01T22:59:53.44
IV.SCIAR.HHN. ML:2.7 0.00309 0.54 AML other m 2021-09-01T22:59:54.62
IV.SCIAR.HNN. ML:2.7 0.00298 0.54 AML other m 2021-09-01T22:59:54.62
IV.GIB.HHE. ML:2.7 0.0036500000000000005 0.54 AML other m 2021-09-01T22:59:54.36
IV.CSLB.HHE. ML:2.3 0.001049 0.3 AML other m 2021-09-01T22:59:55.30
IV.SCIAR.HHE. ML:2.6 0.0027 0.56 AML other m 2021-09-01T22:59:55.89
IV.SCIAR.HNE. ML:2.6 0.00246 0.56 AML other m 2021-09-01T22:59:55.89
IV.CSLB.HHN. ML:2.2 0.0010004999999999999 0.46 AML other m 2021-09-01T22:59:56.08
IV.PLLN.EHE. ML:2.4 0.0014 0.32 AML other m 2021-09-01T22:59:56.63
IV.SOLUN.HHE. ML:2.4 0.001355 0.3 AML other m 2021-09-01T22:59:57.52
IV.SOLUN.HHN. ML:2.5 0.0014849999999999998 1.62 AML other m 2021-09-01T22:59:57.89
IV.PLLN.EHN. ML:2.5 0.001865 0.98 AML other m 2021-09-01T22:59:57.92
IV.MPG.HHE. ML:2.1 0.000354 0.26 AML other m 2021-09-01T23:00:03.66
IV.MPG.HHN. ML:2.2 0.00046350000000000004 1.56 AML other m 2021-09-01T23:00:03.94
IV.MSFR.HHN. ML:1.9 0.0001725 0.6 AML other m 2021-09-01T23:00:08.59
IV.RESU.HHE. ML:2.5 0.0007035 0.38 AML other m 2021-09-01T23:00:09.00
IV.RESU.HHN. ML:2.3 0.0005145 1.18 AML other m 2021-09-01T23:00:09.79
IV.IACL.HHE. ML:2.6 0.0009055 1.42 AML other m 2021-09-01T23:00:11.28
IV.IACL.HHN. ML:2.7 0.0009485 0.46 AML other m 2021-09-01T23:00:11.28
IV.MCPD.HHE. ML:2.1 0.0001815 0.46 AML other m 2021-09-01T23:00:11.59
IV.MSFR.HHE. ML:2.0 0.00017749999999999998 1.14 AML other m 2021-09-01T23:00:12.15
IV.MCPD.HHN. ML:2.2 0.000277 1.34 AML other m 2021-09-01T23:00:12.69
IV.GALF.HHE. ML:2.8 0.000959 0.58 AML other m 2021-09-01T23:00:14.60
IV.GALF.HHN. ML:2.6 0.0006185 0.52 AML other m 2021-09-01T23:00:14.61
IV.CRJA.HHE. ML:2.4 0.000284 1.18 AML other m 2021-09-01T23:00:14.88
IV.IFIL.HHE. ML:3.0 0.00138 0.54 AML other m 2021-09-01T23:00:15.40
IV.IFIL.HHN. ML:2.6 0.0006094999999999999 0.48 AML other m 2021-09-01T23:00:15.40
IV.MBFT.HHE. ML:1.9 0.0001075 0.24 AML other m 2021-09-01T23:00:16.25
IV.MBFT.HHN. ML:1.9 0.00009345000000000001 1.14 AML other m 2021-09-01T23:00:17.41
IV.CRJA.HHN. ML:2.3 0.000241 0.46 AML other m 2021-09-01T23:00:17.74
IV.MMGO.HHN. ML:2.0 0.00009755 0.42 AML other m 2021-09-01T23:00:18.20
IV.USI.HHN. ML:2.7 0.0006505 0.96 AML other m 2021-09-01T23:00:18.49
IV.SCIAC.HHE. ML:2.1 0.0001275 0.78 AML other m 2021-09-01T23:00:19.03
IV.MUCR.HHN. ML:2.3 0.000254 0.34 AML other m 2021-09-01T23:00:20.18
IV.SCIAC.HHN. ML:2.2 0.000163 0.78 AML other m 2021-09-01T23:00:20.67
IV.MILZ.HHE. ML:2.9 0.0006590000000000001 0.48 AML other m 2021-09-01T23:00:20.49
IV.USI.HHE. ML:2.1 0.00016499999999999997 0.92 AML other m 2021-09-01T23:00:21.93
IV.IVPL.HHE. ML:2.4 0.000262 0.32 AML other m 2021-09-01T23:00:21.93
IV.EPZF.HHE. ML:2.5 0.000338 1.44 AML other m 2021-09-01T23:00:22.14
IV.IVPL.HHN. ML:2.4 0.00025 0.44 AML other m 2021-09-01T23:00:23.32
IV.MMGO.HHE. ML:1.8 0.00006145 0.88 AML other m 2021-09-01T23:00:23.37
IV.MILZ.HHN. ML:2.5 0.0002205 1.02 AML other m 2021-09-01T23:00:23.95
IV.EPZF.HHN. ML:2.5 0.00035850000000000004 1.56 AML other m 2021-09-01T23:00:24.83
IV.ESCV.HHN. ML:2.4 0.0003005 1.04 AML other m 2021-09-01T23:00:24.55
IV.MUCR.HHE. ML:2.2 0.0002185 1.38 AML other m 2021-09-01T23:00:25.76
IV.EMPL.HHE. ML:2.6 0.00036750000000000004 0.4 AML other m 2021-09-01T23:00:25.70
IV.RAFF.HHN. ML:2.1 0.000104 0.52 AML other m 2021-09-01T23:00:27.71
IV.HCRL.HHE. ML:2.3 0.000115 1.5 AML other m 2021-09-01T23:00:29.87
IV.ESCV.HHE. ML:2.3 0.0002085 0.34 AML other m 2021-09-01T23:00:29.74
IV.EPIT.HHE. ML:2.4 0.00023600000000000002 0.46 AML other m 2021-09-01T23:00:30.25
IV.EMSG.HHN. ML:2.5 0.000309 0.7 AML other m 2021-09-01T23:00:30.42
IV.HVIT.HHE. ML:2.5 0.000201 0.32 AML other m 2021-09-01T23:00:30.26
IV.MSRU.HHN. ML:2.2 0.00009675000000000001 1 AML other m 2021-09-01T23:00:30.41
IV.EMSG.HHE. ML:2.5 0.0003185 1.58 AML other m 2021-09-01T23:00:30.05
IV.HVIT.HHN. ML:2.5 0.00017749999999999998 1.3 AML other m 2021-09-01T23:00:30.33
IV.HCRL.HHN. ML:2.2 0.00010284999999999999 0.7 AML other m 2021-09-01T23:00:31.20
IV.EMPL.HHN. ML:2.6 0.0003725 1.2 AML other m 2021-09-01T23:00:32.68
IV.HMDC.HHN. ML:2.5 0.0001585 0.36 AML other m 2021-09-01T23:00:33.60
IV.HVZN.HHN. ML:2.6 0.0002575 0.96 AML other m 2021-09-01T23:00:34.64
IV.HVZN.HNN. ML:2.6 0.0002695 0.96 AML other m 2021-09-01T23:00:34.64
IV.RAFF.HHE. ML:2.2 0.000145 0.52 AML other m 2021-09-01T23:00:35.08
IV.SSY.HHE. ML:2.9 0.000424 0.96 AML other m 2021-09-01T23:00:37.25
IV.SSY.HHN. ML:3.2 0.0008645 0.44 AML other m 2021-09-01T23:00:37.29
IV.HVZN.HHE. ML:2.6 0.00026450000000000003 0.54 AML other m 2021-09-01T23:00:37.37
IV.HVZN.HNE. ML:2.6 0.0002565 0.56 AML other m 2021-09-01T23:00:37.38
IV.ISPIC.EHN. ML:2.3 0.00008444999999999999 1.64 AML other m 2021-09-01T23:00:38.08
IV.ISPIC.EHE. ML:2.4 0.00009900000000000001 0.5 AML other m 2021-09-01T23:00:38.46
IV.EPIT.HHN. ML:2.6 0.0003795 0.88 AML other m 2021-09-01T23:00:38.48
IV.HMDC.HHE. ML:2.2 0.00008315 0.68 AML other m 2021-09-01T23:00:41.28
IV.HAVL.HHE. ML:2.3 0.00007730000000000001 0.94 AML other m 2021-09-01T23:00:42.55
IV.HAVL.HHN. ML:2.4 0.00010815 0.98 AML other m 2021-09-01T23:00:43.40
IV.MSRU.HHE. ML:2.4 0.0001285 1.42 AML other m 2021-09-01T23:00:46.15
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