Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 24-05-2020 and time 10:38:28 (Italy) in region 4 km SE Santa Croce Camerina (RG)

A magnitude ML 1.8 earthquake occured in region: 4 km SE Santa Croce Camerina (RG), on

  • 24-05-2020 08:38:28 (UTC)
  • 24-05-2020 10:38:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.8100, 14.5700 at 36 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
Santa Croce Camerina RG 4 10823 10823
Scicli RG 12 27077 37900
Comiso RG 16 30156 68056
Vittoria RG 16 63339 131395
Modica RG 18 54633 186028
Ragusa RG 19 73313 259341

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km S of Vittoria (63339 inhabitants)
18 Km W of Modica (54633 inhabitants)
19 Km SW of Ragusa (73313 inhabitants)
40 Km SE of Gela (75827 inhabitants)
70 Km W of Siracusa (122291 inhabitants)
88 Km SE of Caltanissetta (63360 inhabitants)
90 Km SW of Catania (314555 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 2020-05-24
08:38:28		 36.8102 14.5697 36 2020-11-19
12:37:03		 Bollettino Sismico Italiano INGV 83444481
Reviewed
Rev100 		ML 1.8 2020-05-24
08:38:28		 36.7647 14.5697 28 2020-05-24
08:51:00		 Sala Sismica INGV-Roma 79506041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-24 08:38:28 ± 0.17
Latitude 36.8102 ± 0.0117
Longitude 14.5697 ± 0.0124
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83444481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1289
Semi-minor axis of confidence ellipse (meter) 840
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 1290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.71146
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 79506041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-24 08:51:00

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 83444481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-02 14:18:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPDG.HHZ. 2020-05-24T08:39:34.98 3.0 undecidable manual Sg 1.18 0
XK.SELL.HHZ. 2020-05-24T08:39:14.24 3.0 positive manual P 300.9765 3.72 0
IV.LINA.HHE. 2020-05-24T08:38:55.93 0.6 undecidable manual P 236 184.5708 54 -0.11 34
IV.HAGA.HHZ. 2020-05-24T08:38:52.30 1.0 undecidable manual S 44 73.8705 54 0.13 24
IV.HLNI.HHZ. 2020-05-24T08:38:50.20 0.3 undecidable manual S 24 65.49 115 0.04 74
IV.SSY.HHZ. 2020-05-24T08:38:48.90 0.3 undecidable manual S 49 58.9965 117 0.29 71
IV.RAFF.HHZ. 2020-05-24T08:38:46.00 0.6 undecidable manual S 338 49.3173 122 -0.37 47
IV.MEU.EHZ. 2020-05-24T08:38:44.90 0.6 undecidable manual S 35 40.626 128 0.44 47
IV.HVZN.HHE. 2020-05-24T08:38:44.80 0.3 undecidable manual S 18 42.8238 126 -0.14 75
IV.HAGA.HHZ. 2020-05-24T08:38:42.09 0.1 undecidable manual P 44 73.8705 54 -0.17 94
IV.CLTA.HHZ. 2020-05-24T08:38:41.71 0.1 undecidable manual P 306 66.2781 114 0.49 89
IV.HLNI.HHZ. 2020-05-24T08:38:41.00 0.1 positive manual P 24 65.49 115 -0.1 97
IV.SSY.HHZ. 2020-05-24T08:38:40.20 0.1 positive manual P 49 58.9965 117 -0.01 100
IV.ACATE.EHE. 2020-05-24T08:38:40.66 1.0 undecidable manual S 346 24.4533 143 -0.78 21
IV.RESU.HHZ. 2020-05-24T08:38:39.63 3.0 undecidable manual P 0
IV.RAFF.HHZ. 2020-05-24T08:38:39.08 0.1 undecidable manual P 338 49.3173 122 0.17 99
IV.MEU.EHZ. 2020-05-24T08:38:37.89 0.6 negative manual P 35 40.626 128 0.08 51
IV.HVZN.HHE. 2020-05-24T08:38:37.80 0.6 undecidable manual P 18 42.8238 126 -0.29 49
IV.ACATE.EHE. 2020-05-24T08:38:35.58 0.6 undecidable manual P 346 24.4533 143 -0.49 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MEU.EHN. ML:1.7 0.000121984885 0.1984 AML other m 2020-05-24T08:38:45.66
IV.RAFF.HHN. ML:1.4 0.000050484635 0.2176 AML other m 2020-05-24T08:38:48.42
IV.RAFF.HHE. ML:1.5 0.0000703936 0.32 AML other m 2020-05-24T08:38:48.74
IV.SSY.HHE. ML:2.2 0.0003040047 1.7952 AML other m 2020-05-24T08:38:48.10
IV.HLNI.HHE. ML:2.2 0.00021546375 0.1792 AML other m 2020-05-24T08:38:50.53
IV.HLNI.HHN. ML:1.9 0.00013477875000000001 0.16 AML other m 2020-05-24T08:38:51.12
IV.HAGA.HHE. ML:1.8 0.000080097405 0.1792 AML other m 2020-05-24T08:38:53.66
IV.HAGA.HHN. ML:1.8 0.000072562425 1.8976 AML other m 2020-05-24T08:38:54.99
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