Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-06-2020 and time 05:34:00 (UTC) in region 5 km NE Cerami (EN)

A magnitude ML 1.6 earthquake occured in region: 5 km NE Cerami (EN), on

  • 30-06-2020 05:34:00 (UTC)
  • 30-06-2020 07:34:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8390, 14.5480 at 28 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
Cerami EN 5 2006 2006
Capizzi ME 6 3176 5182
Troina EN 8 9373 14555
San Teodoro ME 13 1403 15958
Gagliano Castelferrato EN 14 3593 19551
Cesarò ME 14 2439 21990
Nicosia EN 17 13899 35889
Sperlinga EN 19 805 36694
Mistretta ME 19 4791 41485
San Fratello ME 20 3707 45192

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km NE of Caltanissetta (63360 inhabitants)
60 Km W of Acireale (52622 inhabitants)
60 Km NW of Catania (314555 inhabitants)
90 Km N of Gela (75827 inhabitants)
95 Km E of Bagheria (55387 inhabitants)
97 Km W of Messina (238439 inhabitants)
99 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 1.6 2020-06-30
05:34:00		 37.8388 14.5485 28 2020-11-19
12:37:04		 Bollettino Sismico Italiano INGV 83770141
Reviewed
Rev100 		ML 1.7 2020-06-30
05:34:00		 37.8285 14.5307 28 2020-06-30
05:43:32		 Sala Sismica INGV-Roma 80638321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-30 05:34:00 ± 0.42
Latitude 37.8388 ± 0.0171
Longitude 14.5485 ± 0.0194
Depth (km) 28 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83770141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1832
Semi-minor axis of confidence ellipse (meter) 1075
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 1830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 9
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55578
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 80638321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-30 05:43:32

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 83770141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-14 07:58:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-06-30T05:35:33.00 3.0 undecidable manual Pn 1.78 0
IV.MCRV.HHZ. 2020-06-30T05:35:31.76 3.0 undecidable manual Sg 0.59 0
IV.ARRO.EHZ. 2020-06-30T05:35:23.71 3.0 undecidable manual Pg 12.46 0
CR.STON.BHZ. 2020-06-30T05:35:18.86 3.0 undecidable manual Pn -2.37 0
IT.LRNO.HNZ. 2020-06-30T05:35:02.87 3.0 undecidable manual Pg 3.5 0
XK.GIZZ.HHZ. 2020-06-30T05:34:59.40 3.0 undecidable manual Sg 1.48 0
IV.ECTS.HHZ. 2020-06-30T05:34:18.07 3.0 undecidable manual P 0
IV.MUCR.HHZ. 2020-06-30T05:34:13.85 0.6 undecidable manual S 51 36.3414 122 -0.46 44
IV.EPZF.HHZ. 2020-06-30T05:34:12.46 0.1 undecidable manual S 93 27.0507 131 0.16 97
IV.AIO.HHE. 2020-06-30T05:34:12.67 0.1 undecidable manual P 76 61.6938 108 0.49 84
IV.MSFR.HHZ. 2020-06-30T05:34:11.57 0.6 undecidable manual S 10 21.9669 137 0.26 47
IV.GALF.HHZ. 2020-06-30T05:34:10.02 0.3 undecidable manual S 174 14.2746 150 -0.07 75
IV.MUCR.HHZ. 2020-06-30T05:34:08.38 0.1 positive manual P 51 36.3414 122 -0.24 93
IV.EPZF.HHZ. 2020-06-30T05:34:07.07 0.1 undecidable manual P 93 27.0507 131 -0.39 92
IV.MSFR.HHZ. 2020-06-30T05:34:07.12 0.1 undecidable manual P 10 21.9669 137 0.23 95
IV.GALF.HHZ. 2020-06-30T05:34:06.09 0.1 positive manual P 174 14.2746 150 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:1.9 0.00040711405 1.5584 AML other m 2020-06-30T05:34:12.79
IV.EPZF.HHE. ML:2.1 0.0004564056 0.3808 AML other m 2020-06-30T05:34:12.76
IV.EPZF.HHN. ML:1.9 0.0003086314 1.68 AML other m 2020-06-30T05:34:13.92
IV.GALF.HHE. ML:1.8 0.00034532549999999996 0.6176 AML other m 2020-06-30T05:34:13.95
IV.MUCR.HHN. ML:1.3 0.000057062905000000006 0.4608 AML other m 2020-06-30T05:34:14.87
IV.MUCR.HHE. ML:1.3 0.000056263060000000004 0.56 AML other m 2020-06-30T05:34:14.65
IV.MSFR.HHE. ML:0.8 0.000027280495 0.4608 AML other m 2020-06-30T05:34:15.20
IV.GALF.HNN. ML:1.4 0.00014242925000000002 0.7488 AML other m 2020-06-30T05:34:17.52
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