Earthquake with magnitude of ML 1.6 on date 26-02-2021 and time 05:50:08 (UTC) in region 3 km NE Gangi (PA)

A magnitude ML 1.6 earthquake occured in region: 3 km NE Gangi (PA), on

  • 26-02-2021 05:50:08 (UTC)
  • 26-02-2021 06:50:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8270, 14.2220 at 9 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.

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 7 1945 8756
San Mauro Castelverde PA 10 1701 10457
Petralia Soprana PA 10 3360 13817
Castel di Lucio ME 10 1294 15111
Petralia Sottana PA 12 2821 17932
Sperlinga EN 13 805 18737
Bompietro PA 14 1401 20138
Blufi PA 15 1029 21167
Castellana Sicula PA 16 3411 24578
Pettineo ME 17 1350 25928
Castelbuono PA 17 8943 34871
Mistretta ME 17 4791 39662
Alimena PA 18 2032 41694
Tusa ME 18 2925 44619
Nicosia EN 18 13899 58518
Motta d'Affermo ME 19 739 59257
Polizzi Generosa PA 20 3407 62664
Reitano ME 20 806 63470
Pollina PA 20 2974 66444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Caltanissetta (63360 inhabitants)
68 Km E of Bagheria (55387 inhabitants)
80 Km NE of Agrigento (59770 inhabitants)
82 Km E of Palermo (674435 inhabitants)
84 Km W of Catania (314555 inhabitants)
85 Km N of Gela (75827 inhabitants)
87 Km W of Acireale (52622 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 1.6 2021-02-26
05:50:08
37.8267 14.2217 9 2021-07-12
16:55:00
Bollettino Sismico Italiano INGV 87721751
Reviewed
Rev100
ML 1.7 2021-02-26
05:50:06
37.7102 14.0713 17 2021-02-26
05:56:18
Sala Sismica INGV-Roma 87491381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-26 05:50:08 ± 0.11
Latitude 37.8267 ± 0.0072
Longitude 14.2217 ± 0.0114
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87721751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 918
Semi-minor axis of confidence ellipse (meter) 845
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.60434
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87721751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-16 15:25:35

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 87491381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-26 05:56:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHE. 2021-02-26T05:50:21.04 0.6 undecidable manual S 113 32.8449 50 0.74 40
IV.SOLUN.HHE. 2021-02-26T05:50:20.64 0.6 undecidable manual P 296 67.0773 50 0 46
IV.MUCR.HHE. 2021-02-26T05:50:19.84 0.3 undecidable manual P 67 61.8936 50 0 70
IV.CSLB.HHZ. 2021-02-26T05:50:16.26 0.6 undecidable manual S 311 18.87 116 0.34 47
IV.PLLN.EHZ. 2021-02-26T05:50:16.38 0.6 undecidable manual S 340 19.6692 115 0.22 48
IV.MSFR.HHZ. 2021-02-26T05:50:16.17 0.3 undecidable manual P 55 39.7269 50 -0.25 69
IV.ALJA.HHZ. 2021-02-26T05:50:16.89 0.3 undecidable manual P 258 41.9247 50 0.13 71
IV.GALF.HHE. 2021-02-26T05:50:15.07 0.3 undecidable manual P 113 32.8449 50 -0.3 70
IV.CAGR.HHE. 2021-02-26T05:50:15.71 0.6 undecidable manual P 133 33.3444 50 0.27 47
IV.GIB.HHZ. 2021-02-26T05:50:13.77 0.3 undecidable manual P 317 24.9528 110 -0.19 72
IV.PLLN.EHZ. 2021-02-26T05:50:13.08 0.1 undecidable manual P 340 19.6692 115 0.1 99
IV.PETRA.HHZ. 2021-02-26T05:50:13.79 0.6 undecidable manual S 275 9.3795 134 0.6 45
IV.RESU.HHZ. 2021-02-26T05:50:13.69 0.3 undecidable manual P 216 24.6531 110 -0.22 72
IV.CSLB.HHZ. 2021-02-26T05:50:12.49 0.1 undecidable manual P 311 18.87 116 -0.35 94
IV.PETRA.HHZ. 2021-02-26T05:50:11.13 0.1 undecidable manual P 275 9.3795 134 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.9 0.0011101358000000002 0.3008 AML other m 2021-02-26T05:50:14.25
IV.PETRA.HHE. ML:1.9 0.0010551905 0.2208 AML other m 2021-02-26T05:50:14.25
IV.CSLB.HHE. ML:1.0 0.00008107782499999999 0.3584 AML other m 2021-02-26T05:50:16.41
IV.CSLB.HHN. ML:1.2 0.000136 0.36 AML other m 2021-02-26T05:50:17.18
IV.PLLN.EHN. ML:1.6 0.00026926155 0.3808 AML other m 2021-02-26T05:50:20.32
IV.PLLN.EHE. ML:1.4 0.00017192475000000001 0.48 AML other m 2021-02-26T05:50:20.50
IV.GIB.HHE. ML:1.6 0.0002485 0.48 AML other m 2021-02-26T05:50:20.96
IV.GIB.HHN. ML:1.7 0.000319 0.42 AML other m 2021-02-26T05:50:22.65
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