Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 30-04-2020 and time 15:57:19 (Italy) in region 3 km N Campobello di Licata (AG)

A magnitude ML 1.8 earthquake occured in region: 3 km N Campobello di Licata (AG), on

  • 30-04-2020 13:57:19 (UTC)
  • 30-04-2020 15:57:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.2900, 13.9260 at 32 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
Campobello di Licata AG 3 10092 10092
Ravanusa AG 5 11766 21858
Delia CL 7 4277 26135
Sommatino CL 8 7038 33173
Canicattì AG 10 35698 68871
Naro AG 12 7817 76688
Camastra AG 12 2083 78771
Riesi CL 14 11586 90357
Castrofilippo AG 17 2940 93297
Palma di Montechiaro AG 18 23302 116599
Serradifalco CL 19 6091 122690

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Caltanissetta (63360 inhabitants)
30 Km E of Agrigento (59770 inhabitants)
38 Km NW of Gela (75827 inhabitants)
66 Km NW of Vittoria (63339 inhabitants)
82 Km NW of Ragusa (73313 inhabitants)
88 Km NW of Modica (54633 inhabitants)
95 Km SE of Bagheria (55387 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 2020-04-30
13:57:19		 37.2905 13.926 32 2020-07-18
21:08:40		 Bollettino Sismico Italiano INGV 80200281
Reviewed
Rev100 		ML 1.9 2020-04-30
13:57:18		 37.2213 13.8622 34 2020-04-30
14:05:11		 Sala Sismica INGV-Roma 78697761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-30 13:57:19 ± 0.29
Latitude 37.2905 ± 0.0171
Longitude 13.9260 ± 0.0170
Depth (km) 32 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80200281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1887
Semi-minor axis of confidence ellipse (meter) 984
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 1890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.13580
Epicentral distance of station farthest from the epicenter (degree) 0.92270
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 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 80200281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-23 18:12:42

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 78697761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-30 14:05:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2020-04-30T13:57:45.64 0.6 undecidable manual S 85 83.6496 106 0.4 42
IV.HVZN.HNZ. 2020-04-30T13:57:43.01 0.6 undecidable manual S 100 70.8735 109 1.04 34
IV.SSY.HHZ. 2020-04-30T13:57:37.13 0.1 undecidable manual P 98 102.4197 54 -0.05 87
IV.MEU.EHN. 2020-04-30T13:57:34.48 0.6 undecidable manual P 104 82.3509 106 0.25 43
IV.RAFF.HHZ. 2020-04-30T13:57:34.60 0.3 undecidable manual S 101 39.2274 124 0.22 71
IV.HLNI.HHZ. 2020-04-30T13:57:33.96 0.1 undecidable manual P 85 83.6496 106 -0.48 83
MN.CLTB.HHN. 2020-04-30T13:57:33.56 0.6 undecidable manual P 297 70.1742 109 1.11 32
IV.HVZN.HNZ. 2020-04-30T13:57:32.50 0.3 undecidable manual P 100 70.8735 109 -0.05 69
IV.PETRA.HHZ. 2020-04-30T13:57:31.25 0.1 undecidable manual P 15 62.493 112 -0.09 93
IV.CLTA.HHZ. 2020-04-30T13:57:29.88 0.6 undecidable manual S 168 15.0738 152 -0.09 50
IV.RESU.HHE. 2020-04-30T13:57:28.89 0.3 undecidable manual P 16 41.1255 123 0.48 67
IV.RAFF.HHZ. 2020-04-30T13:57:27.59 0.1 positive manual P 101 39.2274 124 -0.57 86
IV.CMDO.HHZ. 2020-04-30T13:57:26.06 0.1 undecidable manual P 335 21.2676 143 -0.08 100
IV.CPTP.HHZ. 2020-04-30T13:57:25.96 0.1 undecidable manual P 58 24.5532 139 -0.5 91
IV.CLTA.HHZ. 2020-04-30T13:57:25.80 0.1 undecidable manual P 168 15.0738 152 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHE. ML:1.9 0.00022999999999999998 0.24 AML other m 2020-04-30T13:57:34.93
IV.RAFF.HHN. ML:1.7 0.000128 0.74 AML other m 2020-04-30T13:57:35.05
IV.CPTP.HHE. ML:1.8 0.00019800000000000002 0.64 AML other m 2020-04-30T13:57:37.33
IV.CMDO.HHN. ML:1.9 0.0002875 1.34 AML other m 2020-04-30T13:57:38.78
IV.CMDO.HHE. ML:1.6 0.000163 0.7 AML other m 2020-04-30T13:57:38.15
IV.CPTP.HHN. ML:1.8 0.00020600000000000002 0.6 AML other m 2020-04-30T13:57:38.95
IV.HLNI.HHN. ML:1.9 0.0000955 0.42 AML other m 2020-04-30T13:57:47.30
IV.HLNI.HHE. ML:1.7 0.00005685 0.9 AML other m 2020-04-30T13:57:49.74
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