Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 14-02-2020 and time 10:01:17 (UTC) in region 10 km SE Gangi (PA)

A magnitude ML 1.8 earthquake occured in region: 10 km SE Gangi (PA), on

  • 14-02-2020 10:01:17 (UTC)
  • 14-02-2020 11:01:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7230, 14.2580 at 53 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 10 6811 6811
Sperlinga EN 10 805 7616
Nicosia EN 13 13899 21515
Alimena PA 13 2032 23547
Bompietro PA 14 1401 24948
Calascibetta EN 15 4528 29476
Leonforte EN 15 13439 42915
Petralia Soprana PA 16 3360 46275
Blufi PA 16 1029 47304
Villarosa EN 17 4937 52241
Enna EN 17 28019 80260
Petralia Sottana PA 17 2821 83081
Geraci Siculo PA 18 1945 85026
Assoro EN 18 5191 90217
Nissoria EN 18 3000 93217
Castel di Lucio ME 19 1294 94511
Castellana Sicula PA 20 3411 97922

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Caltanissetta (63360 inhabitants)
73 Km N of Gela (75827 inhabitants)
75 Km NE of Agrigento (59770 inhabitants)
77 Km SE of Bagheria (55387 inhabitants)
77 Km W of Catania (314555 inhabitants)
81 Km W of Acireale (52622 inhabitants)
90 Km N of Vittoria (63339 inhabitants)
90 Km SE of Palermo (674435 inhabitants)
98 Km NW of Ragusa (73313 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 1.8 2020-02-14
10:01:17		 37.7232 14.2582 53 2020-07-18
21:08:23		 Bollettino Sismico Italiano INGV 77004761
Reviewed
Rev100 		ML 2.0 2020-02-14
10:01:16		 37.7267 14.2488 55 2020-02-14
10:11:13		 Sala Sismica INGV-Roma 76510321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-14 10:01:17 ± 0.24
Latitude 37.7232 ± 0.0099
Longitude 14.2582 ± 0.0136
Depth (km) 53 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77004761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1375
Semi-minor axis of confidence ellipse (meter) 562
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 1370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.15828
Epicentral distance of station farthest from the epicenter (degree) 0.85885
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:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 77004761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-03 11:12:52

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 76510321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-14 10:11:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-02-14T10:01:45.75 0.6 undecidable manual S 131 95.3379 105 0.5 39
IV.HAGA.HHZ. 2020-02-14T10:01:44.71 0.6 undecidable manual S 121 92.7405 106 0.02 44
IV.MSFR.HHZ. 2020-02-14T10:01:35.68 0.6 undecidable manual S 40 45.2214 129 0.17 47
IV.SSY.HHZ. 2020-02-14T10:01:33.36 0.1 positive manual P 131 95.3379 105 0.04 87
IV.HAGA.HHZ. 2020-02-14T10:01:32.72 0.3 undecidable manual P 121 92.7405 106 -0.28 63
IV.GALF.HHZ. 2020-02-14T10:01:32.79 0.3 undecidable manual S 93 27.0507 146 -0.1 74
IV.CSLB.HHZ. 2020-02-14T10:01:32.99 0.6 undecidable manual S 324 29.5482 144 -0.21 47
IV.PETRA.HHZ. 2020-02-14T10:01:31.97 0.3 undecidable manual S 314 17.5713 157 0.05 76
IV.MUCR.HHZ. 2020-02-14T10:01:30.12 0.6 undecidable manual P 56 64.5909 117 0.4 43
IV.HLNI.HHZ. 2020-02-14T10:01:29.40 0.3 undecidable manual P 127 68.1762 115 -0.73 58
IV.RAFF.HHZ. 2020-02-14T10:01:29.07 0.3 undecidable manual P 171 56.2992 121 0.25 68
IV.MSFR.HHZ. 2020-02-14T10:01:27.77 0.1 negative manual P 40 45.2214 129 0.07 95
IV.CSLB.HHZ. 2020-02-14T10:01:26.25 0.1 undecidable manual P 324 29.5482 144 -0.11 97
IV.CAGR.HHE. 2020-02-14T10:01:26.20 0.3 undecidable manual P 118 24.0537 150 0.22 72
IV.RESU.HHZ. 2020-02-14T10:01:26.15 0.6 undecidable manual P 244 19.5693 155 0.42 47
IV.PETRA.HHZ. 2020-02-14T10:01:25.57 0.1 negative manual P 314 17.5713 157 -0.05 100
IV.GALF.HHZ. 2020-02-14T10:01:25.89 0.3 undecidable manual P 93 27.0507 146 -0.29 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHN. ML:1.9 0.0001983337 0.3584 AML other m 2020-02-14T10:01:33.37
IV.PETRA.HHE. ML:1.8 0.00015587959499999997 0.4224 AML other m 2020-02-14T10:01:32.42
IV.GALF.HHN. ML:2.2 0.00036699380000000003 0.5952 AML other m 2020-02-14T10:01:34.76
IV.GALF.HNE. ML:1.7 0.00011446209499999999 0.9088 AML other m 2020-02-14T10:01:38.26
IV.GALF.HHE. ML:2.2 0.00032721975000000005 0.4032 AML other m 2020-02-14T10:01:38.04
IV.CSLB.HHN. ML:1.5 0.00007004015 0.3776 AML other m 2020-02-14T10:01:34.01
IV.CSLB.HHE. ML:1.6 0.00007609746 0.6976 AML other m 2020-02-14T10:01:34.07
IV.MSFR.HHN. ML:1.4 0.000043397844999999996 0.3584 AML other m 2020-02-14T10:01:37.49
IV.MSFR.HHE. ML:1.3 0.000033675629999999995 0.32 AML other m 2020-02-14T10:01:36.91
IV.RAFF.HHE. ML:2.0 0.000149775 0.2752 AML other m 2020-02-14T10:01:40.08
IV.RAFF.HHN. ML:1.9 0.00012226984999999998 0.1408 AML other m 2020-02-14T10:01:39.46
IV.MUCR.HHE. ML:1.7 0.00006677681 0.4416 AML other m 2020-02-14T10:01:45.24
IV.MUCR.HHN. ML:1.9 0.00010532976499999999 0.3008 AML other m 2020-02-14T10:01:44.79
IV.HAGA.HHN. ML:2.0 0.00007836902 0.1792 AML other m 2020-02-14T10:01:45.05
IV.HAGA.HHE. ML:2.0 0.000095688265 0.1408 AML other m 2020-02-14T10:01:45.59
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