Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 26-02-2021 and time 07:30:07 (Italy) in region 3 km NE Gangi (PA)

A magnitude ML 2.2 earthquake occured in region: 3 km NE Gangi (PA), on

  • 26-02-2021 06:30:07 (UTC)
  • 26-02-2021 07:30:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8150, 14.2320 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
Gangi PA 3 6811 6811
Geraci Siculo PA 8 1945 8756
Castel di Lucio ME 11 1294 10050
Petralia Soprana PA 11 3360 13410
San Mauro Castelverde PA 12 1701 15111
Sperlinga EN 12 805 15916
Petralia Sottana PA 12 2821 18737
Bompietro PA 14 1401 20138
Blufi PA 15 1029 21167
Nicosia EN 16 13899 35066
Castellana Sicula PA 17 3411 38477
Alimena PA 17 2032 40509
Mistretta ME 17 4791 45300
Pettineo ME 18 1350 46650
Castelbuono PA 18 8943 55593
Tusa ME 19 2925 58518
Motta d'Affermo ME 20 739 59257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Caltanissetta (63360 inhabitants)
70 Km E of Bagheria (55387 inhabitants)
80 Km NE of Agrigento (59770 inhabitants)
83 Km W of Catania (314555 inhabitants)
83 Km E of Palermo (674435 inhabitants)
83 Km N of Gela (75827 inhabitants)
85 Km W of Acireale (52622 inhabitants)
100 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 2021-02-26
06:30:07		 37.8148 14.2315 7 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 87897731
Reviewed
Rev100 		ML 2.2 2021-02-26
06:30:07		 37.8077 14.2413 8 2021-02-26
06:35:23		 Sala Sismica INGV-Roma 87492341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-26 06:30:07 ± 0.1
Latitude 37.8148 ± 0.0063
Longitude 14.2315 ± 0.0080
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 87897731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 1.16462
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 32
Type of magnitude ML
Reference to an origin 87897731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-16 16:04:20

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 87492341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-26 06:35:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHN. 2021-02-26T06:30:35.28 1.0 undecidable manual S 20 88.3449 50 0.56 19
IV.MTGR.HHZ. 2021-02-26T06:30:30.80 0.6 undecidable manual P 274 129.2706 50 1.17 27
IV.MPNC.HHZ. 2021-02-26T06:30:25.90 0.3 undecidable manual P 69 104.7174 50 0.04 63
IV.IVPL.HHZ. 2021-02-26T06:30:24.33 0.3 undecidable manual P 46 90.243 50 0.7 55
IV.AIO.HHZ. 2021-02-26T06:30:23.64 0.3 undecidable manual P 79 89.3439 50 0.15 64
IV.IFIL.HHN. 2021-02-26T06:30:22.91 0.6 undecidable manual P 20 88.3449 50 -0.43 40
IV.HVZN.HNZ. 2021-02-26T06:30:22.31 0.6 undecidable manual P 149 82.4508 50 -0.12 43
IV.MSFR.HHZ. 2021-02-26T06:30:21.60 0.6 undecidable manual S 52 39.8268 50 -0.15 47
IV.RAFF.HHZ. 2021-02-26T06:30:20.01 0.6 undecidable manual P 170 66.6777 50 0.01 46
IV.SOLUN.HHZ. 2021-02-26T06:30:20.30 0.3 undecidable manual P 297 68.376 50 0.04 68
IV.GALF.HHZ. 2021-02-26T06:30:19.18 0.6 undecidable manual S 111 31.5462 103 0.16 47
IV.EPZF.HHZ. 2021-02-26T06:30:18.91 0.3 undecidable manual P 89 54.8007 50 0.74 57
IV.MUCR.HHZ. 2021-02-26T06:30:18.86 0.3 undecidable manual P 66 61.6938 50 -0.36 64
IV.CPTP.HHZ. 2021-02-26T06:30:17.85 0.6 undecidable manual P 188 45.621 50 1.1 33
IV.GIB.HHZ. 2021-02-26T06:30:17.90 0.6 undecidable manual S 317 26.4513 105 0.6 43
IV.RESU.HHZ. 2021-02-26T06:30:16.40 0.6 undecidable manual S 219 24.1536 106 -0.12 48
IV.SCIAR.HHZ. 2021-02-26T06:30:16.14 0.3 undecidable manual P 288 44.4222 50 -0.43 65
IV.CAGR.HHE. 2021-02-26T06:30:15.53 0.6 undecidable manual P 132 31.8459 103 1.21 32
IV.CSLB.HHZ. 2021-02-26T06:30:15.45 0.6 undecidable manual S 312 20.3685 109 0.17 48
IV.MSFR.HHZ. 2021-02-26T06:30:15.30 0.1 positive manual P 52 39.8268 50 -0.55 85
IV.ALJA.HHZ. 2021-02-26T06:30:15.94 0.3 undecidable manual P 260 42.5241 50 -0.33 67
IV.PLLN.EHZ. 2021-02-26T06:30:15.70 0.6 undecidable manual S 339 21.1677 109 0.16 48
IV.GALF.HHZ. 2021-02-26T06:30:13.75 0.1 undecidable manual P 111 31.5462 103 -0.52 87
IV.PETRA.HHZ. 2021-02-26T06:30:12.69 0.6 undecidable manual S 281 10.3785 124 0.52 45
IV.RESU.HHZ. 2021-02-26T06:30:12.50 0.1 positive manual P 219 24.1536 106 -0.33 92
IV.PLLN.EHZ. 2021-02-26T06:30:12.26 0.3 undecidable manual P 339 21.1677 109 -0.01 74
IV.GIB.HHZ. 2021-02-26T06:30:12.93 0.3 undecidable manual P 317 26.4513 105 -0.35 68
IV.CSLB.HHZ. 2021-02-26T06:30:11.75 0.1 positive manual P 312 20.3685 109 -0.37 92
IV.PETRA.HHZ. 2021-02-26T06:30:10.37 0.1 undecidable manual P 281 10.3785 124 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:2.4 0.0033993215 0.2816 AML other m 2021-02-26T06:30:13.52
IV.PETRA.HHE. ML:2.4 0.0034100000000000003 0.64 AML other m 2021-02-26T06:30:15.66
IV.CSLB.HHN. ML:1.7 0.00037611815000000004 0.4416 AML other m 2021-02-26T06:30:16.68
IV.CSLB.HHE. ML:1.6 0.00031 1.56 AML other m 2021-02-26T06:30:16.88
IV.PLLN.EHE. ML:2.2 0.0011763354999999999 0.5184 AML other m 2021-02-26T06:30:18.37
IV.PLLN.EHN. ML:2.2 0.0011099999999999999 0.36 AML other m 2021-02-26T06:30:18.60
IV.GIB.HHE. ML:2.2 0.0009904999999999998 1.42 AML other m 2021-02-26T06:30:20.26
IV.RESU.HHN. ML:2.4 0.0016899999999999999 1.22 AML other m 2021-02-26T06:30:21.70
IV.GIB.HHN. ML:2.3 0.00125 1.56 AML other m 2021-02-26T06:30:22.16
IV.MSFR.HHE. ML:1.7 0.00019577655 0.4384 AML other m 2021-02-26T06:30:23.15
IV.GALF.HHN. ML:2.6 0.0016750000000000003 0.42 AML other m 2021-02-26T06:30:23.52
IV.GALF.HNN. ML:1.7 0.0002315 0.32 AML other m 2021-02-26T06:30:23.53
IV.RESU.HHE. ML:2.2 0.0010632685 0.6208 AML other m 2021-02-26T06:30:25.11
IV.ALJA.HHE. ML:2.1 0.000375 1.38 AML other m 2021-02-26T06:30:27.01
IV.ALJA.HHN. ML:1.9 0.0002595 1.52 AML other m 2021-02-26T06:30:27.81
IV.GALF.HNE. ML:1.6 0.00019730195 0.7104 AML other m 2021-02-26T06:30:27.44
IV.GALF.HHE. ML:2.6 0.0018309335 0.4 AML other m 2021-02-26T06:30:27.25
IV.MSFR.HHN. ML:1.8 0.00024989845 0.5024 AML other m 2021-02-26T06:30:27.42
IV.SCIAR.HHE. ML:2.1 0.000395 0.46 AML other m 2021-02-26T06:30:28.69
IV.MUCR.HHE. ML:2.1 0.000228 0.38 AML other m 2021-02-26T06:30:30.04
IV.SCIAR.HNE. ML:2.1 0.00039400000000000004 0.5 AML other m 2021-02-26T06:30:31.64
IV.SCIAR.HHN. ML:2.0 0.0002765 1.64 AML other m 2021-02-26T06:30:31.98
IV.SCIAR.HNN. ML:2.0 0.00029516249999999997 0.6112 AML other m 2021-02-26T06:30:33.58
IV.MUCR.HHN. ML:2.2 0.0002925 0.38 AML other m 2021-02-26T06:30:33.47
IV.SOLUN.HHE. ML:2.4 0.00038700000000000003 1.38 AML other m 2021-02-26T06:30:35.03
IV.SOLUN.HHN. ML:2.2 0.000275 1.18 AML other m 2021-02-26T06:30:35.26
IV.AIO.HHN. ML:2.0 0.000129 0.98 AML other m 2021-02-26T06:30:41.74
IV.IVPL.HHN. ML:2.4 0.00027449999999999995 1.44 AML other m 2021-02-26T06:30:43.78
IV.AIO.HHE. ML:2.0 0.0001305 0.46 AML other m 2021-02-26T06:30:46.97
IV.IVPL.HHE. ML:2.3 0.0002421903 0.8416 AML other m 2021-02-26T06:30:48.03
IV.MPNC.HHE. ML:2.5 0.0003145 0.66 AML other m 2021-02-26T06:30:50.26
IV.MPNC.HHN. ML:2.3 0.00019700000000000002 0.66 AML other m 2021-02-26T06:30:54.00
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