Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 11-05-2020 and time 14:41:52 (UTC) in region 5 km N Gangi (PA)

A magnitude ML 1.3 earthquake occured in region: 5 km N Gangi (PA), on

  • 11-05-2020 14:41:52 (UTC)
  • 11-05-2020 16:41:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8420, 14.2150 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 6811 6811
Geraci Siculo PA 6 1945 8756
San Mauro Castelverde PA 9 1701 10457
Castel di Lucio ME 10 1294 11751
Petralia Soprana PA 11 3360 15111
Petralia Sottana PA 11 2821 17932
Bompietro PA 15 1401 19333
Sperlinga EN 15 805 20138
Castelbuono PA 15 8943 29081
Pettineo ME 16 1350 30431
Blufi PA 16 1029 31460
Tusa ME 16 2925 34385
Castellana Sicula PA 16 3411 37796
Mistretta ME 16 4791 42587
Motta d'Affermo ME 17 739 43326
Pollina PA 18 2974 46300
Reitano ME 19 806 47106
Alimena PA 19 2032 49138
Polizzi Generosa PA 19 3407 52545
Nicosia EN 19 13899 66444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Caltanissetta (63360 inhabitants)
67 Km E of Bagheria (55387 inhabitants)
81 Km E of Palermo (674435 inhabitants)
81 Km NE of Agrigento (59770 inhabitants)
86 Km W of Catania (314555 inhabitants)
86 Km N of Gela (75827 inhabitants)
88 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
Reviewed
Rev100 		ML 1.3 2020-05-11
14:41:52		 37.8417 14.215 10 2020-05-11
14:50:02		 Sala Sismica INGV-Roma 79049401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-11 14:41:52 ± 0.17
Latitude 37.8417 ± 0.0108
Longitude 14.2150 ± 0.0307
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79049401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2721
Semi-minor axis of confidence ellipse (meter) 1181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 2720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 79049401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-11 14:50:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHE. 2020-05-11T14:42:05.21 0.3 undecidable manual S 57 39.2274 50 0.01 74
IV.GIB.HHZ. 2020-05-11T14:42:01.49 0.3 undecidable manual S 315 23.3544 50 0.54 67
IV.CSLB.HHZ. 2020-05-11T14:41:59.12 0.3 undecidable manual S 308 17.3715 121 0 76
IV.GALF.HHE. 2020-05-11T14:41:59.23 0.3 undecidable manual P 115 34.0437 50 0.37 70
IV.PLLN.EHZ. 2020-05-11T14:41:59.43 0.3 undecidable manual S 339 17.871 120 0.16 73
IV.MSFR.HHE. 2020-05-11T14:41:59.68 0.1 undecidable manual P 57 39.2274 50 0.02 98
IV.PETRA.HHZ. 2020-05-11T14:41:57.33 0.3 undecidable manual S 264 8.7801 140 0.51 69
IV.GIB.HHZ. 2020-05-11T14:41:57.02 0.1 undecidable manual P 315 23.3544 50 -0.19 97
IV.PLLN.EHZ. 2020-05-11T14:41:56.08 0.1 undecidable manual P 339 17.871 120 -0.16 100
IV.CSLB.HHZ. 2020-05-11T14:41:55.72 0.1 undecidable manual P 308 17.3715 121 -0.44 94
IV.PETRA.HHZ. 2020-05-11T14:41:54.47 0.1 negative manual P 264 8.7801 140 -0.36 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHE. ML:1.4 0.0003485 1.66 AML other m 2020-05-11T14:41:58.88
IV.PETRA.HHN. ML:1.4 0.0003685 1.7 AML other m 2020-05-11T14:41:59.05
IV.CSLB.HHN. ML:1.0 0.00008044999999999999 0.42 AML other m 2020-05-11T14:42:01.58
IV.CSLB.HHE. ML:0.9 0.0000679 0.86 AML other m 2020-05-11T14:42:02.43
IV.PLLN.EHE. ML:1.4 0.00022755085 0.5056 AML other m 2020-05-11T14:42:02.07
IV.PLLN.EHN. ML:1.5 0.00027161285000000003 0.4224 AML other m 2020-05-11T14:42:02.02
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