Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 30-08-2021 and time 22:56:53 (Italy) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude ML 2.5 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 30-08-2021 20:56:53 (UTC)
  • 30-08-2021 22:56:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0970, 13.8760 at 8 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
Campofelice di Roccella PA 12 7537 7537
Lascari PA 12 3588 11125
Cefalù PA 14 14393 25518
Gratteri PA 17 963 26481
Termini Imerese PA 20 26263 52744

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Bagheria (55387 inhabitants)
45 Km E of Palermo (674435 inhabitants)
69 Km N of Caltanissetta (63360 inhabitants)
91 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 2.5 2021-08-30
20:56:53		 38.0972 13.8758 8 2021-12-29
11:12:31		 Bollettino Sismico Italiano INGV 95657001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-30 20:56:53 ± 0.06
Latitude 38.0972 ± 0.0063
Longitude 13.8758 ± 0.0034
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95657001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 751
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.15918
Epicentral distance of station farthest from the epicenter (degree) 4.71964
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 52
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 94
Type of magnitude ML
Reference to an origin 95657001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 14:40:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2021-08-30T20:58:04.16 0.1 undecidable manual P 311 523.8756 38 -1.29 0
IV.BULT.EHZ. 2021-08-30T20:58:00.10 0.3 undecidable manual P 304 493.8279 38 -1.61 0
IV.SENA.HHZ. 2021-08-30T20:57:55.39 0.3 undecidable manual P 306 460.2948 38 -2.13 0
IV.SIRI.HHZ. 2021-08-30T20:57:35.75 0.3 undecidable manual P 36 287.7897 38 -0.32 0
IV.GRIS.EHZ. 2021-08-30T20:57:29.87 0.3 undecidable manual P 42 249.6612 38 -1.46 0
IV.HAVL.HHZ. 2021-08-30T20:57:20.10 0.3 undecidable manual P 139 167.1105 50 -0.61 0
IV.MUCR.HHZ. 2021-08-30T20:57:20.41 1.0 undecidable manual S 94 87.3459 50 0.79 0
IV.HSRS.HHZ. 2021-08-30T20:57:19.69 0.3 undecidable manual P 133 162.5151 50 -0.31 0
IV.HMDC.HHZ. 2021-08-30T20:57:18.63 0.3 undecidable manual P 147 149.3394 50 0.66 0
IV.SSY.HHZ. 2021-08-30T20:57:18.22 0.3 undecidable manual P 134 148.1406 50 0.44 0
IV.HAGA.HHZ. 2021-08-30T20:57:17.06 0.3 undecidable manual P 128 143.9448 50 -0.08 0
IV.MCPD.HHZ. 2021-08-30T20:57:16.24 1.0 undecidable manual S 88 74.6697 50 0.02 0
IV.ACATE.EHZ. 2021-08-30T20:57:16.58 0.3 undecidable manual P 155 131.0688 50 1.42 0
IV.HCRL.HHZ. 2021-08-30T20:57:16.33 0.1 undecidable manual P 131 135.864 50 0.43 0
IV.HVIT.HHZ. 2021-08-30T20:57:16.92 0.1 undecidable manual P 155 135.0648 50 1.15 0
IV.MSRU.HHZ. 2021-08-30T20:57:15.59 0.3 undecidable manual P 82 143.5452 50 -1.48 0
IV.LEVAN.EHZ. 2021-08-30T20:57:15.91 0.3 undecidable manual P 265 134.1657 50 0.27 0
IV.MARS.HHZ. 2021-08-30T20:57:15.81 0.3 undecidable manual P 252 120.8901 50 2.22 0
IV.HVZN.HHZ. 2021-08-30T20:57:15.50 0.1 undecidable manual P 144 125.7741 50 1.16 0
IV.IACL.HHZ. 2021-08-30T20:57:14.48 0.6 undecidable manual S 41 63.8916 50 1.14 0
IV.HLNI.HHZ. 2021-08-30T20:57:14.46 0.1 undecidable manual P 133 120.5904 50 0.93 0
IV.MPNC.HHZ. 2021-08-30T20:57:14.06 0.3 undecidable manual P 87 128.9709 50 -0.77 0
IV.EPIT.HHZ. 2021-08-30T20:57:13.43 0.3 undecidable manual P 107 108.0141 50 1.83 0
IV.RAFF.HHZ. 2021-08-30T20:57:13.59 0.1 undecidable manual P 156 106.0161 50 2.3 0
IV.CLTA.HHZ. 2021-08-30T20:57:13.76 0.3 undecidable manual P 176 104.4177 50 2.7 0
IV.EMPL.HHZ. 2021-08-30T20:57:13.67 0.3 undecidable manual P 116 106.4157 50 2.31 0
IV.MSFR.HHZ. 2021-08-30T20:57:13.49 0.6 undecidable manual S 96 62.8926 50 0.41 0
IV.MILZ.HHZ. 2021-08-30T20:57:12.49 0.3 undecidable manual P 80 119.7912 50 -0.92 0
IV.ERC.EHZ. 2021-08-30T20:57:12.72 0.6 undecidable manual P 267 112.6983 50 0.39 0
IV.MTGR.HHZ. 2021-08-30T20:57:11.11 0.3 undecidable manual P 257 100.2219 50 0.71 0
IV.CPTP.HHZ. 2021-08-30T20:57:11.24 0.3 undecidable manual P 162 80.5638 50 3.88 0
IV.EMSG.HHZ. 2021-08-30T20:57:11.80 0.3 undecidable manual P 108 98.8233 50 1.62 0
IV.ILOS.HHZ. 2021-08-30T20:57:10.57 0.3 undecidable manual P 67 101.121 50 0.04 0
MN.CLTB.HHN. 2021-08-30T20:57:10.24 0.3 undecidable manual P 225 81.6516 50 2.71 0
IV.SCIAC.HHZ. 2021-08-30T20:57:10.98 0.3 undecidable manual P 227 93.5397 50 1.6 0
IV.EPZF.HHZ. 2021-08-30T20:57:10.66 0.3 undecidable manual P 109 91.0422 50 1.68 0
IV.MMGO.HHZ. 2021-08-30T20:57:10.04 0.3 undecidable manual P 239 92.3409 50 0.85 0
IV.IVPL.HHZ. 2021-08-30T20:57:10.25 0.3 undecidable manual P 72 101.0211 50 -0.28 0
IV.CAGR.HHE. 2021-08-30T20:57:09.13 0.3 undecidable manual P 134 75.9684 50 2.48 0
IV.CMDO.HHZ. 2021-08-30T20:57:09.31 0.3 undecidable manual P 184 70.374 50 3.51 0
IV.CRJA.HHZ. 2021-08-30T20:57:08.66 0.3 undecidable manual P 247 82.9503 50 0.91 0
IV.MBFT.HHZ. 2021-08-30T20:57:08.16 0.3 undecidable manual P 259 82.3509 50 0.51 0
IV.USI.HHZ. 2021-08-30T20:57:08.80 0.1 undecidable manual P 318 90.8424 50 -0.16 0
IV.MUCR.HHZ. 2021-08-30T20:57:08.35 0.1 undecidable manual P 94 87.3459 50 -0.07 0
IV.MPG.HHZ. 2021-08-30T20:57:08.25 0.6 undecidable manual S 279 45.621 50 -0.21 23
IV.IFIL.HHZ. 2021-08-30T20:57:07.58 0.3 undecidable manual P 49 79.9644 50 0.31 0
IV.GALF.HHZ. 2021-08-30T20:57:07.41 0.3 undecidable manual P 125 74.0703 50 1.03 0
IV.MCPD.HHZ. 2021-08-30T20:57:06.46 0.1 undecidable manual P 88 74.6697 50 0 0
IV.IACL.HHZ. 2021-08-30T20:57:05.54 0.3 undecidable manual P 41 63.8916 50 0.75 0
IV.MCT.HHN. 2021-08-30T20:57:05.88 0.6 undecidable manual P 204 58.0974 50 1.98 0
IV.MSFR.HHZ. 2021-08-30T20:57:04.77 0.1 undecidable manual P 96 62.8926 50 0.13 0
IV.RESU.HHZ. 2021-08-30T20:57:04.04 0.1 undecidable manual P 162 52.4031 50 1.01 11
IV.SOLUN.HHZ. 2021-08-30T20:57:03.83 0.6 undecidable manual S 269 29.9478 105 -0.05 51
IV.PLLN.EHZ. 2021-08-30T20:57:02.72 0.6 undecidable manual S 116 26.0517 107 0.15 50
IV.MPG.HHZ. 2021-08-30T20:57:01.97 0.1 undecidable manual P 279 45.621 50 -0.01 47
IV.CSLB.HHZ. 2021-08-30T20:57:01.62 0.6 undecidable manual S 138 23.754 108 -0.21 49
IV.GIB.HHZ. 2021-08-30T20:56:59.96 0.3 undecidable manual S 132 17.6712 114 0.12 75
IV.SOLUN.HHZ. 2021-08-30T20:56:59.44 0.1 negative manual P 269 29.9478 105 0.1 100
IV.PLLN.EHZ. 2021-08-30T20:56:58.46 0.1 negative manual P 116 26.0517 107 -0.12 100
IV.CSLB.HHZ. 2021-08-30T20:56:57.91 0.1 negative manual P 138 23.754 108 -0.24 97
IV.GIB.HHZ. 2021-08-30T20:56:57.19 0.1 negative manual P 132 17.6712 114 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIB.HHN. ML:2.8 0.005535 0.54 AML other m 2021-08-30T20:57:01.79
IV.GIB.HHE. ML:2.8 0.0050999999999999995 0.48 AML other m 2021-08-30T20:57:01.71
IV.CSLB.HHN. ML:2.4 0.001655 0.18 AML other m 2021-08-30T20:57:02.94
IV.CSLB.HHE. ML:2.4 0.001595 1.02 AML other m 2021-08-30T20:57:03.65
IV.PLLN.EHN. ML:2.6 0.002485208 0.6144 AML other m 2021-08-30T20:57:03.58
IV.PLLN.EHE. ML:2.6 0.0024449999999999997 1.04 AML other m 2021-08-30T20:57:04.00
IV.SOLUN.HHE. ML:2.7 0.002375 0.42 AML other m 2021-08-30T20:57:05.35
IV.SOLUN.HHN. ML:2.6 0.0022 0.48 AML other m 2021-08-30T20:57:05.51
IV.MPG.HHE. ML:2.2 0.000502 0.2 AML other m 2021-08-30T20:57:11.37
IV.MPG.HHN. ML:2.4 0.000778 0.4 AML other m 2021-08-30T20:57:11.50
IV.RESU.HHN. ML:2.3 0.0005084900999999999 0.6784 AML other m 2021-08-30T20:57:14.12
IV.RESU.HHE. ML:2.7 0.0011749999999999998 0.42 AML other m 2021-08-30T20:57:16.35
IV.IACL.HHN. ML:2.9 0.0014049999999999998 1.2 AML other m 2021-08-30T20:57:17.73
IV.IACL.HHE. ML:2.8 0.001245 0.5 AML other m 2021-08-30T20:57:18.18
IV.MSFR.HHN. ML:2.1 0.00027249999999999996 0.42 AML other m 2021-08-30T20:57:18.66
IV.MSFR.HHE. ML:2.2 0.00032450000000000003 1.08 AML other m 2021-08-30T20:57:19.60
IV.MCPD.HHN. ML:2.4 0.000356 1.18 AML other m 2021-08-30T20:57:20.18
IV.GALF.HHE. ML:3.0 0.00177 0.52 AML other m 2021-08-30T20:57:21.93
IV.GALF.HHN. ML:2.9 0.0012000000000000001 1.36 AML other m 2021-08-30T20:57:21.95
IV.IFIL.HHN. ML:2.9 0.0011899999999999999 0.28 AML other m 2021-08-30T20:57:22.70
IV.CRJA.HHN. ML:2.4 0.000352 0.72 AML other m 2021-08-30T20:57:22.90
IV.MBFT.HHE. ML:2.2 0.0001945 1.04 AML other m 2021-08-30T20:57:22.97
IV.IFIL.HHE. ML:3.2 0.00209 0.76 AML other m 2021-08-30T20:57:24.88
IV.MCPD.HHE. ML:2.3 0.00032199999999999997 1.4 AML other m 2021-08-30T20:57:24.25
IV.MTGR.HHN. ML:2.1 0.000125 1.48 AML other m 2021-08-30T20:57:25.01
IV.MBFT.HHN. ML:2.0 0.00013900000000000002 0.84 AML other m 2021-08-30T20:57:25.81
IV.MMGO.HHN. ML:2.1 0.0001431 0.6 AML other m 2021-08-30T20:57:25.66
IV.MMGO.HNN. ML:2.1 0.00013855 0.6 AML other m 2021-08-30T20:57:25.66
IV.USI.HHN. ML:3.0 0.001085 1.14 AML other m 2021-08-30T20:57:26.62
IV.MUCR.HHE. ML:2.6 0.000461 0.44 AML other m 2021-08-30T20:57:26.34
IV.CRJA.HHE. ML:2.5 0.00041000000000000005 1.22 AML other m 2021-08-30T20:57:26.75
IV.SCIAC.HHN. ML:2.4 0.0002465 0.5 AML other m 2021-08-30T20:57:27.15
IV.MUCR.HHN. ML:2.6 0.0005445 0.3 AML other m 2021-08-30T20:57:27.57
IV.ILOS.HNN. ML:3.2 0.00176 0.3 AML other m 2021-08-30T20:57:27.63
IV.ILOS.HHN. ML:3.3 0.00187 0.3 AML other m 2021-08-30T20:57:27.64
IV.SCIAC.HHE. ML:2.3 0.000205 0.42 AML other m 2021-08-30T20:57:28.23
IV.USI.HHE. ML:2.5 0.00035099999999999997 0.82 AML other m 2021-08-30T20:57:28.21
IV.IVPL.HHN. ML:2.6 0.00038700000000000003 0.68 AML other m 2021-08-30T20:57:29.17
IV.IVPL.HHE. ML:2.6 0.00034599999999999995 0.6 AML other m 2021-08-30T20:57:29.35
IV.MILZ.HHE. ML:3.2 0.00113 0.42 AML other m 2021-08-30T20:57:29.62
IV.MMGO.HHE. ML:2.0 0.00011460000000000001 1.56 AML other m 2021-08-30T20:57:29.92
IV.MMGO.HNE. ML:2.1 0.00013000000000000002 1.56 AML other m 2021-08-30T20:57:29.92
IV.MTGR.HHE. ML:1.8 0.00006585 1.34 AML other m 2021-08-30T20:57:30.74
IV.MILZ.HHN. ML:2.7 0.0003805 1.08 AML other m 2021-08-30T20:57:30.87
IV.EPZF.HHE. ML:2.6 0.00042100000000000004 1.18 AML other m 2021-08-30T20:57:31.78
IV.ERC.EHE. ML:2.2 0.000121 0.58 AML other m 2021-08-30T20:57:31.01
IV.EPZF.HHN. ML:2.7 0.000617 0.54 AML other m 2021-08-30T20:57:31.12
IV.ERC.EHN. ML:2.2 0.0001325 1.32 AML other m 2021-08-30T20:57:33.87
IV.RAFF.HHN. ML:2.2 0.0001575 0.66 AML other m 2021-08-30T20:57:33.07
IV.ILOS.HNE. ML:3.0 0.0011375 0.4 AML other m 2021-08-30T20:57:33.69
IV.ILOS.HHE. ML:3.1 0.001202 0.4 AML other m 2021-08-30T20:57:33.71
IV.HLNI.HHE. ML:2.2 0.00011949999999999999 0.84 AML other m 2021-08-30T20:57:34.37
IV.MARS.HHE. ML:2.5 0.0002475 0.86 AML other m 2021-08-30T20:57:34.55
IV.MARS.HNE. ML:2.5 0.0002445 0.84 AML other m 2021-08-30T20:57:34.56
IV.HLNI.HHN. ML:2.2 0.00012240000000000002 0.9 AML other m 2021-08-30T20:57:34.64
IV.CLTA.HHE. ML:2.1 0.0001085 1 AML other m 2021-08-30T20:57:34.96
IV.CLTA.HHN. ML:2.0 0.0001059 0.98 AML other m 2021-08-30T20:57:35.39
IV.HCRL.HHN. ML:2.5 0.00017449999999999999 0.96 AML other m 2021-08-30T20:57:36.74
IV.MSRU.HHN. ML:2.4 0.0001235 0.52 AML other m 2021-08-30T20:57:36.64
IV.ACATE.EHE. ML:2.7 0.000316 0.3 AML other m 2021-08-30T20:57:37.29
IV.LEVAN.EHN. ML:2.0 0.00007225000000000001 0.7 AML other m 2021-08-30T20:57:37.68
IV.EMSG.HHN. ML:2.7 0.000502 0.8 AML other m 2021-08-30T20:57:37.81
IV.CPTP.HHE. ML:2.5 0.00045650000000000004 0.58 AML other m 2021-08-30T20:57:37.71
IV.HVIT.HHN. ML:2.6 0.000266 0.26 AML other m 2021-08-30T20:57:37.66
IV.HVIT.HHE. ML:2.7 0.00030800000000000006 0.3 AML other m 2021-08-30T20:57:37.61
IV.EPIT.HHN. ML:2.9 0.0007255 0.52 AML other m 2021-08-30T20:57:38.16
IV.CPTP.HHN. ML:2.4 0.000328 0.56 AML other m 2021-08-30T20:57:38.63
IV.EMPL.HHN. ML:2.8 0.0006245000000000001 0.56 AML other m 2021-08-30T20:57:38.43
IV.HVZN.HNN. ML:2.7 0.00035950000000000006 0.66 AML other m 2021-08-30T20:57:38.68
IV.HVZN.HHN. ML:2.8 0.0004235 0.66 AML other m 2021-08-30T20:57:38.68
IV.HCRL.HHE. ML:2.4 0.00014350000000000002 0.7 AML other m 2021-08-30T20:57:39.52
IV.EMSG.HHE. ML:2.7 0.0005245 0.86 AML other m 2021-08-30T20:57:39.35
IV.HAGA.HHN. ML:2.5 0.00019 1.18 AML other m 2021-08-30T20:57:39.26
IV.ACATE.EHN. ML:2.7 0.0002935 0.84 AML other m 2021-08-30T20:57:39.92
IV.MPNC.HHN. ML:2.6 0.000257 0.66 AML other m 2021-08-30T20:57:39.99
IV.LEVAN.EHE. ML:2.1 0.00008015 1.16 AML other m 2021-08-30T20:57:40.60
IV.EPIT.HHE. ML:2.7 0.000449 0.56 AML other m 2021-08-30T20:57:40.99
IV.HVZN.HNE. ML:2.8 0.0004815 0.72 AML other m 2021-08-30T20:57:41.38
IV.HVZN.HHE. ML:2.9 0.0005155000000000001 0.72 AML other m 2021-08-30T20:57:41.38
IV.HAGA.HHE. ML:2.4 0.000125 0.58 AML other m 2021-08-30T20:57:41.35
IV.MSRU.HHE. ML:2.5 0.00016700000000000002 0.36 AML other m 2021-08-30T20:57:41.45
IV.RAFF.HHE. ML:2.4 0.0002215 0.56 AML other m 2021-08-30T20:57:42.73
IV.HMDC.HHE. ML:2.5 0.000174 1.32 AML other m 2021-08-30T20:57:42.23
IV.MPNC.HHE. ML:2.8 0.00040649999999999996 0.54 AML other m 2021-08-30T20:57:42.71
IV.SSY.HHE. ML:3.1 0.0006910000000000001 0.98 AML other m 2021-08-30T20:57:44.10
IV.SSY.HHN. ML:3.3 0.0010554999999999998 0.76 AML other m 2021-08-30T20:57:44.62
IV.MARS.HHN. ML:2.4 0.0001865 0.54 AML other m 2021-08-30T20:57:44.83
IV.MARS.HNN. ML:2.4 0.0001905 0.54 AML other m 2021-08-30T20:57:44.83
IV.HMDC.HHN. ML:2.5 0.00015949999999999997 0.44 AML other m 2021-08-30T20:57:45.32
IV.HSRS.HHE. ML:2.3 0.000096 0.42 AML other m 2021-08-30T20:57:47.98
IV.HAVL.HHN. ML:2.6 0.000177 0.54 AML other m 2021-08-30T20:57:49.65
IV.EMPL.HHE. ML:2.7 0.00048499999999999997 0.44 AML other m 2021-08-30T20:57:50.75
IV.HAVL.HHE. ML:2.6 0.0001515 0.94 AML other m 2021-08-30T20:57:58.93
IV.HSRS.HHN. ML:2.4 0.00009945 1.08 AML other m 2021-08-30T20:57:59.30
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