Earthquake with magnitude of ML 1.4 on date 31-07-2020 and time 04:03:38 (UTC) in region 3 km S Mistretta (ME)

A magnitude ML 1.4 earthquake occured in region: 3 km S Mistretta (ME), on

  • 31-07-2020 04:03:38 (UTC)
  • 31-07-2020 06:03:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9030, 14.3560 at 8 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
Mistretta ME 3 4791 4791
Castel di Lucio ME 4 1294 6085
Reitano ME 8 806 6891
Pettineo ME 9 1350 8241
Motta d'Affermo ME 10 739 8980
Capizzi ME 12 3176 12156
Santo Stefano di Camastra ME 13 4694 16850
Tusa ME 14 2925 19775
San Mauro Castelverde PA 15 1701 21476
Sperlinga EN 15 805 22281
Caronia ME 16 3364 25645
Cerami EN 17 2006 27651
Gangi PA 18 6811 34462
Nicosia EN 18 13899 48361
Geraci Siculo PA 18 1945 50306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km NE of Caltanissetta (63360 inhabitants)
77 Km E of Bagheria (55387 inhabitants)
78 Km NW of Catania (314555 inhabitants)
78 Km W of Acireale (52622 inhabitants)
90 Km E of Palermo (674435 inhabitants)
94 Km N of Gela (75827 inhabitants)
95 Km NE of Agrigento (59770 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 1.4 2020-07-31
04:03:38
37.9032 14.3558 8 2020-11-19
12:36:59
Bollettino Sismico Italiano INGV 82558541
Reviewed
Rev100
ML 1.4 2020-07-31
04:03:38
37.9075 14.3458 11 2020-07-31
04:09:19
Sala Sismica INGV-Roma 81501741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-31 04:03:38 ± 0.06
Latitude 37.9032 ± 0.0045
Longitude 14.3558 ± 0.0034
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82558541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71496
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 81501741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-31 04:09:19

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 82558541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-02 09:44:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2020-07-31T04:04:03.17 3.0 negative manual P 0.44 0
IV.MUCR.HHZ. 2020-07-31T04:03:54.09 0.3 undecidable manual S 71 47.9187 50 -0.24 76
IV.ILOS.HHZ. 2020-07-31T04:03:52.74 0.6 undecidable manual P 40 79.365 50 0.3 47
IV.IFIL.HHZ. 2020-07-31T04:03:52.23 0.3 undecidable manual P 15 75.7686 50 0.34 71
IV.AIO.HHZ. 2020-07-31T04:03:52.35 0.3 undecidable manual P 84 77.0673 50 0.25 72
IV.IVPL.HHZ. 2020-07-31T04:03:51.95 0.1 undecidable manual P 46 75.6687 50 0.08 100
IV.IACL.HHZ. 2020-07-31T04:03:51.38 0.3 undecidable manual P 360 69.8745 50 0.4 71
IV.IVUG.HHZ. 2020-07-31T04:03:51.91 0.6 undecidable manual P 45 77.5668 50 -0.25 48
IV.NOV.HHZ. 2020-07-31T04:03:50.78 0.1 undecidable manual P 78 69.6747 50 -0.17 99
IV.GIB.HHZ. 2020-07-31T04:03:49.52 0.3 undecidable manual S 289 30.4473 105 0.22 79
IV.SCIAR.HNZ. 2020-07-31T04:03:48.32 0.3 undecidable manual P 275 53.2023 50 -0.1 78
IV.GALF.HHZ. 2020-07-31T04:03:48.49 0.3 undecidable manual S 139 28.2495 106 -0.07 82
IV.EPZF.HHZ. 2020-07-31T04:03:47.09 0.6 undecidable manual P 101 44.7219 50 -0.02 54
IV.CSLB.HHZ. 2020-07-31T04:03:47.83 0.3 undecidable manual S 278 26.3514 107 -0.11 82
IV.MSFR.HHZ. 2020-07-31T04:03:47.52 0.3 undecidable manual S 55 25.2525 107 -0.04 83
IV.MUCR.HHZ. 2020-07-31T04:03:47.31 0.3 undecidable manual P 71 47.9187 50 -0.28 76
IV.PLLN.EHZ. 2020-07-31T04:03:46.37 0.3 undecidable manual S 298 21.0678 111 0.16 81
IV.PETRA.HHZ. 2020-07-31T04:03:46.84 0.3 undecidable manual S 250 22.4553 109 0.18 81
IV.CAGR.HHZ. 2020-07-31T04:03:45.79 0.3 undecidable manual P 158 33.6441 103 0.47 75
IV.GIB.HHZ. 2020-07-31T04:03:44.32 0.3 undecidable manual P 289 30.4473 105 -0.37 77
IV.GALF.HHZ. 2020-07-31T04:03:44.30 0.3 undecidable manual P 139 28.2495 106 0.04 83
IV.PETRA.HHZ. 2020-07-31T04:03:43.00 0.3 undecidable manual P 250 22.4553 109 -0.17 81
IV.CSLB.HHZ. 2020-07-31T04:03:43.42 0.3 undecidable manual P 278 26.3514 107 -0.48 75
IV.MSFR.HHZ. 2020-07-31T04:03:43.68 0.3 undecidable manual P 55 25.2525 107 0 83
IV.PLLN.EHZ. 2020-07-31T04:03:42.88 0.3 undecidable manual P 298 21.0678 111 -0.02 84
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHE. ML:1.5 0.000199 0.2 AML other m 2020-07-31T04:03:47.73
IV.MSFR.HHN. ML:1.2 0.0000866 0.34 AML other m 2020-07-31T04:03:48.46
IV.MSFR.HHE. ML:1.3 0.00010945 0.76 AML other m 2020-07-31T04:03:48.49
IV.PLLN.EHN. ML:1.5 0.00021250000000000002 1.22 AML other m 2020-07-31T04:03:48.17
IV.GALF.HHN. ML:1.8 0.000307 1.36 AML other m 2020-07-31T04:03:49.21
IV.GALF.HHE. ML:1.7 0.00027350000000000003 0.68 AML other m 2020-07-31T04:03:50.19
IV.PETRA.HHN. ML:1.5 0.0002055 0.74 AML other m 2020-07-31T04:03:50.65
IV.PLLN.EHE. ML:1.3 0.000143 0.36 AML other m 2020-07-31T04:03:50.94
IV.GIB.HHE. ML:1.2 0.0000839 0.62 AML other m 2020-07-31T04:03:55.43
IV.MUCR.HHE. ML:1.3 0.00006135 1.2 AML other m 2020-07-31T04:03:57.19
IV.MUCR.HHN. ML:1.2 0.000047550000000000004 0.42 AML other m 2020-07-31T04:04:00.34
IV.GIB.HHN. ML:1.2 0.0000774 1.48 AML other m 2020-07-31T04:04:01.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download