Earthquake with magnitude of ML 1.3 on date 30-07-2020 and time 22:06:20 (Italy) in region 9 km W Vittoria (RG)

A magnitude ML 1.3 earthquake occured in region: 9 km W Vittoria (RG), on

  • 30-07-2020 20:06:20 (UTC)
  • 30-07-2020 22:06:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.9360, 14.4370 at 11 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
Vittoria RG 9 63339 63339
Acate RG 11 10954 74293
Santa Croce Camerina RG 14 10823 85116
Comiso RG 15 30156 115272
Mazzarrone CT 20 4078 119350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Vittoria (63339 inhabitants)
22 Km SE of Gela (75827 inhabitants)
26 Km W of Ragusa (73313 inhabitants)
30 Km W of Modica (54633 inhabitants)
70 Km SE of Caltanissetta (63360 inhabitants)
77 Km W of Siracusa (122291 inhabitants)
85 Km SW of Catania (314555 inhabitants)
86 Km SE of Agrigento (59770 inhabitants)
99 Km SW 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 1.3 2020-07-30
20:06:20
36.9363 14.4373 11 2020-11-19
12:37:01
Bollettino Sismico Italiano INGV 82959341
Reviewed
Rev100
ML 1.3 2020-07-30
20:06:20
36.9472 14.4457 9 2020-07-30
20:13:03
Sala Sismica INGV-Roma 81497201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-30 20:06:20 ± 0.14
Latitude 36.9363 ± 0.0072
Longitude 14.4373 ± 0.0090
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82959341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 856
Semi-minor axis of confidence ellipse (meter) 718
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 223
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.66999
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 82959341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-16 17:48:57

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 81497201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-30 20:13:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2020-07-30T20:06:43.04 0.6 undecidable manual S 58 74.37 50 0.2 44
IV.SSY.HHZ. 2020-07-30T20:06:40.05 0.6 undecidable manual S 66 61.494 50 0.65 40
IV.HPAC.HHE. 2020-07-30T20:06:39.30 0.6 undecidable manual S 115 58.9965 50 0.56 41
IV.HLNI.HHZ. 2020-07-30T20:06:38.77 0.1 undecidable manual S 40 59.6958 50 -0.17 90
IV.CLTA.HHE. 2020-07-30T20:06:36.55 0.6 undecidable manual S 300 48.7179 50 0.54 42
IV.MEU.EHZ. 2020-07-30T20:06:34.13 0.6 undecidable manual S 61 39.8268 50 0.51 43
IV.HAGA.HHZ. 2020-07-30T20:06:32.95 0.1 undecidable manual P 58 74.37 50 -0.41 83
IV.HVZN.HHE. 2020-07-30T20:06:32.33 0.6 undecidable manual S 42 36.4413 50 -0.39 45
IV.HPAC.HHE. 2020-07-30T20:06:31.11 0.3 undecidable manual P 115 58.9965 50 0.11 68
IV.SSY.HHZ. 2020-07-30T20:06:31.10 0.3 undecidable manual P 66 61.494 50 -0.28 66
IV.HLNI.HHZ. 2020-07-30T20:06:30.63 0.1 undecidable manual P 40 59.6958 50 -0.48 84
IV.CLTA.HHE. 2020-07-30T20:06:29.61 0.3 undecidable manual P 300 48.7179 50 0.18 69
IV.HVZN.HHE. 2020-07-30T20:06:28.07 0.3 undecidable manual P 42 36.4413 50 0.55 65
IV.MEU.EHZ. 2020-07-30T20:06:27.86 0.1 undecidable manual P 61 39.8268 50 -0.19 93
IV.RAFF.HHZ. 2020-07-30T20:06:26.65 0.1 undecidable manual P 348 32.4453 50 -0.26 93
IV.ACATE.HNZ. 2020-07-30T20:06:26.09 0.3 undecidable manual S 30 11.1777 133 0.31 71
IV.CROCE.HHZ. 2020-07-30T20:06:26.68 0.1 undecidable manual S 143 14.3745 126 0.06 100
IV.CROCE.HHZ. 2020-07-30T20:06:23.73 0.1 undecidable manual P 143 14.3745 126 -0.28 95
IV.ACATE.HNZ. 2020-07-30T20:06:23.69 0.3 undecidable manual P 30 11.1777 133 0.17 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HHN. ML:1.3 0.00017299999999999998 0.2 AML other m 2020-07-30T20:06:26.88
IV.CROCE.HHE. ML:1.2 0.00015125 0.22 AML other m 2020-07-30T20:06:26.84
IV.RAFF.HHE. ML:1.0 0.0000446 0.84 AML other m 2020-07-30T20:06:33.61
IV.RAFF.HHN. ML:1.0 0.00003945 0.74 AML other m 2020-07-30T20:06:33.64
IV.MEU.EHN. ML:1.4 0.00009029999999999999 0.44 AML other m 2020-07-30T20:06:34.43
IV.MEU.EHE. ML:1.2 0.00006195 0.72 AML other m 2020-07-30T20:06:36.26
IV.HLNI.HHN. ML:1.6 0.00008905000000000001 0.14 AML other m 2020-07-30T20:06:38.92
IV.HLNI.HHE. ML:1.8 0.000142 0.3 AML other m 2020-07-30T20:06:39.04
IV.HAGA.HHN. ML:1.3 0.00003225 1.3 AML other m 2020-07-30T20:06:45.07
IV.HAGA.HHE. ML:1.3 0.000030600000000000005 1.38 AML other m 2020-07-30T20:06:45.98
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