Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 19-01-2021 and time 00:38:03 (UTC) in region 6 km N Sperlinga (EN)

A magnitude ML 2.2 earthquake occured in region: 6 km N Sperlinga (EN), on

  • 19-01-2021 00:38:03 (UTC)
  • 19-01-2021 01:38:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8190, 14.3520 at 7 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
Sperlinga EN 6 805 805
Castel di Lucio ME 9 1294 2099
Nicosia EN 9 13899 15998
Capizzi ME 12 3176 19174
Mistretta ME 13 4791 23965
Gangi PA 13 6811 30776
Cerami EN 14 2006 32782
Reitano ME 17 806 33588
Pettineo ME 17 1350 34938
San Mauro Castelverde PA 18 1701 36639
Geraci Siculo PA 18 1945 38584
Motta d'Affermo ME 19 739 39323
Nissoria EN 20 3000 42323

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Caltanissetta (63360 inhabitants)
74 Km NW of Catania (314555 inhabitants)
75 Km W of Acireale (52622 inhabitants)
79 Km E of Bagheria (55387 inhabitants)
84 Km N of Gela (75827 inhabitants)
88 Km NE of Agrigento (59770 inhabitants)
93 Km E of Palermo (674435 inhabitants)
98 Km N of Vittoria (63339 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 2021-01-19
00:38:03		 37.8192 14.3517 7 2021-07-12
16:55:06		 Bollettino Sismico Italiano INGV 89253291
Reviewed
Rev100 		ML 2.2 2021-01-19
00:38:03		 37.8178 14.3407 10 2021-01-19
00:52:43		 Sala Sismica INGV-Roma 86364081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-19 00:38:03 ± 0.1
Latitude 37.8192 ± 0.0072
Longitude 14.3517 ± 0.0068
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89253291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 691
Semi-minor axis of confidence ellipse (meter) 594
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.18706
Epicentral distance of station farthest from the epicenter (degree) 0.76532
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 89253291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-19 11:02:21

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 86364081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-19 00:52:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SCIAR.HHZ. 2021-01-19T00:38:21.59 1.0 undecidable manual S 285 54.4011 50 0.51 21
IV.MUCR.HHZ. 2021-01-19T00:38:20.95 0.6 undecidable manual S 61 52.0035 50 0.51 43
IV.IFIL.HHZ. 2021-01-19T00:38:18.70 1.0 undecidable manual P 13 84.9483 50 0.51 20
IV.IVPL.HHZ. 2021-01-19T00:38:17.23 0.6 undecidable manual P 41 82.6506 50 -0.61 39
IV.IACL.HHZ. 2021-01-19T00:38:17.60 0.6 undecidable manual P 0 79.1652 50 0.29 43
IV.GIB.HHZ. 2021-01-19T00:38:16.04 1.0 undecidable manual S 304 34.2435 101 0.8 20
IV.SOLUN.HHZ. 2021-01-19T00:38:16.73 1.0 undecidable manual P 293 77.7666 50 -0.36 21
IV.NOV.HHZ. 2021-01-19T00:38:16.15 0.6 undecidable manual P 71 72.4719 50 -0.13 45
IV.HLNI.HHZ. 2021-01-19T00:38:15.58 0.6 undecidable manual P 139 69.375 50 -0.23 44
IV.RAFF.HHE. 2021-01-19T00:38:15.30 0.6 undecidable manual P 179 66.1893 50 -0.01 47
IV.SCIAR.HHZ. 2021-01-19T00:38:13.06 0.3 undecidable manual P 285 54.4011 50 -0.44 65
IV.PLLN.EHZ. 2021-01-19T00:38:13.49 0.6 undecidable manual S 317 26.5512 104 0.86 39
IV.CSLB.HHZ. 2021-01-19T00:38:13.68 0.6 undecidable manual S 297 28.8489 103 0.26 47
IV.CPTP.HHZ. 2021-01-19T00:38:13.47 1.0 undecidable manual P 200 48.618 50 0.87 19
IV.MUCR.HHZ. 2021-01-19T00:38:12.73 0.3 undecidable manual P 61 52.0035 50 -0.39 66
IV.EPZF.HHZ. 2021-01-19T00:38:12.62 0.3 undecidable manual P 89 44.3223 50 0.69 61
IV.PETRA.HHZ. 2021-01-19T00:38:11.26 0.3 undecidable manual S 274 20.7681 108 0.54 67
IV.GALF.HHZ. 2021-01-19T00:38:11.76 0.6 undecidable manual S 122 22.3554 107 0.52 45
IV.RESU.HHZ. 2021-01-19T00:38:09.82 0.3 undecidable manual P 234 32.1456 102 0.1 73
IV.GIB.HHZ. 2021-01-19T00:38:09.68 0.3 undecidable manual P 304 34.2435 101 -0.44 68
IV.MSFR.HHZ. 2021-01-19T00:38:09.59 0.1 undecidable manual P 41 31.746 102 -0.05 98
IV.CSLB.HHZ. 2021-01-19T00:38:08.43 0.1 undecidable manual P 297 28.8489 103 -0.64 85
IV.CAGR.HHZ. 2021-01-19T00:38:08.43 0.1 undecidable manual P 149 25.4523 105 0.02 100
IV.PLLN.EHZ. 2021-01-19T00:38:08.53 0.3 undecidable manual P 317 26.5512 104 -0.09 74
IV.PETRA.HHZ. 2021-01-19T00:38:07.14 0.3 undecidable manual P 274 20.7681 108 -0.38 70
IV.GALF.HHZ. 2021-01-19T00:38:07.53 0.3 undecidable manual P 122 22.3554 107 -0.28 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:2.8 0.0039609445 0.3 AML other m 2021-01-19T00:38:14.93
IV.GALF.HNN. ML:1.9 0.0005895 0.44 AML other m 2021-01-19T00:38:15.24
IV.PETRA.HHN. ML:2.0 0.0007863493500000001 0.28 AML other m 2021-01-19T00:38:13.10
IV.CAGR.HHN. ML:2.6 0.002407927 0.52 AML other m 2021-01-19T00:38:17.06
IV.GALF.HNE. ML:1.6 0.0003172799 0.42 AML other m 2021-01-19T00:38:13.98
IV.GALF.HHE. ML:2.6 0.0026817495 0.46 AML other m 2021-01-19T00:38:14.19
IV.PETRA.HHE. ML:2.0 0.0008731942 0.26 AML other m 2021-01-19T00:38:13.64
IV.CSLB.HHE. ML:1.6 0.00022018795 0.4 AML other m 2021-01-19T00:38:18.68
IV.CAGR.HHE. ML:2.7 0.0029043874999999998 0.42 AML other m 2021-01-19T00:38:18.69
IV.MSFR.HHN. ML:1.7 0.000229 0.48 AML other m 2021-01-19T00:38:18.76
IV.PLLN.EHE. ML:2.2 0.00094806715 0.48 AML other m 2021-01-19T00:38:19.33
IV.RESU.HHE. ML:2.3 0.00095078685 1.5 AML other m 2021-01-19T00:38:21.85
IV.GIB.HHE. ML:2.3 0.0008165 1.6 AML other m 2021-01-19T00:38:22.06
IV.MSFR.HHE. ML:1.5 0.0001350156 0.3 AML other m 2021-01-19T00:38:22.40
IV.PLLN.EHN. ML:2.3 0.00104889675 0.54 AML other m 2021-01-19T00:38:19.78
IV.MUCR.HHN. ML:2.1 0.000297 0.38 AML other m 2021-01-19T00:38:22.86
IV.CSLB.HHN. ML:1.6 0.0001994583 0.36 AML other m 2021-01-19T00:38:17.16
IV.RESU.HHN. ML:2.4 0.0011149999999999999 0.42 AML other m 2021-01-19T00:38:23.16
IV.GIB.HHN. ML:2.2 0.0007244999999999999 0.4 AML other m 2021-01-19T00:38:23.36
IV.MUCR.HHE. ML:2.1 0.000315 0.36 AML other m 2021-01-19T00:38:23.68
IV.SCIAR.HNN. ML:2.2 0.00035594355 0.39 AML other m 2021-01-19T00:38:27.96
IV.SCIAR.HHE. ML:2.2 0.000364 0.4 AML other m 2021-01-19T00:38:27.74
IV.SCIAR.HHN. ML:2.2 0.00035561049999999997 1.48 AML other m 2021-01-19T00:38:29.79
IV.SCIAR.HNE. ML:2.1 0.00028845825000000004 1.63 AML other m 2021-01-19T00:38:29.90
IV.EPZF.HHE. ML:2.2 0.00059 0.64 AML other m 2021-01-19T00:38:30.48
IV.SOLUN.HHN. ML:2.1 0.00016498443 0.36 AML other m 2021-01-19T00:38:32.01
IV.HLNI.HHN. ML:1.8 0.00009845938 0.7 AML other m 2021-01-19T00:38:31.60
IV.EPZF.HHN. ML:2.3 0.0006125000000000001 1.6 AML other m 2021-01-19T00:38:32.04
IV.SOLUN.HHE. ML:2.2 0.00025089545 0.54 AML other m 2021-01-19T00:38:32.83
IV.HLNI.HHE. ML:1.6 0.000071419545 0.28 AML other m 2021-01-19T00:38:30.10
IV.IACL.HHE. ML:2.4 0.0003293376 1.42 AML other m 2021-01-19T00:38:34.85
IV.NOV.HHN. ML:2.4 0.00039443965 0.38 AML other m 2021-01-19T00:38:34.67
IV.IACL.HHN. ML:2.4 0.00032218015 0.4 AML other m 2021-01-19T00:38:36.86
IV.NOV.HHE. ML:2.6 0.0006702979 0.54 AML other m 2021-01-19T00:38:38.65
IV.IFIL.HHN. ML:2.5 0.00041000000000000005 0.58 AML other m 2021-01-19T00:38:38.92
IV.IFIL.HHE. ML:2.8 0.0009079450500000001 0.5 AML other m 2021-01-19T00:38:39.83
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