Earthquake with magnitude of ML 1.9 on date 18-05-2018 and time 07:45:09 (Italy) in region 2 km NE Rosolini (SR)

A magnitude ML 1.9 earthquake occured in region: 2 km NE Rosolini (SR), on

  • 18-05-2018 05:45:09 (UTC)
  • 18-05-2018 07:45:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 36.8310, 14.9720 at 26 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
Rosolini SR 2 21427 21427
Ispica RG 8 16061 37488
Noto SR 11 23913 61401
Pozzallo RG 16 19552 80953
Pachino SR 17 22205 103158
Avola SR 17 31708 134866
Modica RG 19 54633 189499

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Modica (54633 inhabitants)
24 Km E of Ragusa (73313 inhabitants)
38 Km SW of Siracusa (122291 inhabitants)
41 Km E of Vittoria (63339 inhabitants)
69 Km E of Gela (75827 inhabitants)
76 Km S of Catania (314555 inhabitants)
89 Km S 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 1.9 2018-05-18
05:45:09
36.8308 14.9718 26 2019-04-24
14:50:50
Bollettino Sismico Italiano INGV 59301281
Reviewed
Rev100
ML 2.0 2018-05-18
05:45:09
36.8282 14.9492 25 2018-05-18
05:51:37
Sala Sismica INGV-Roma 56973661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-18 05:45:09 ± 0.16
Latitude 36.8308 ± 0.0054
Longitude 14.9718 ± 0.0079
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59301281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.13310
Epicentral distance of station farthest from the epicenter (degree) 0.62413
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 59301281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-05 17:03:11

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 56973661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-18 05:51:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2018-05-18T05:45:31.03 0.6 undecidable manual S 309 69.2751 104 0.24 46
IV.HLNI.HHZ. 2018-05-18T05:45:27.65 0.6 undecidable manual S 351 58.0974 108 -0.27 47
IV.HAGA.HHZ. 2018-05-18T05:45:26.55 0.6 undecidable manual S 18 52.9026 110 -0.06 49
IV.AGST.EHZ. 2018-05-18T05:45:26.69 0.6 undecidable manual S 26 52.3032 110 0.22 49
IV.HVZN.HHE. 2018-05-18T05:45:24.66 0.6 undecidable manual S 330 44.7219 114 0.08 50
IV.SSY.HHZ. 2018-05-18T05:45:23.09 0.6 undecidable manual S 14 37.3293 118 0.28 50
IV.RAFF.HHZ. 2018-05-18T05:45:21.91 0.6 undecidable manual P 309 69.2751 104 0.19 47
IV.MEU.SHZ. 2018-05-18T05:45:21.99 1.0 undecidable manual S 338 33.5442 122 0.07 26
IV.HMDC.HHZ. 2018-05-18T05:45:19.11 0.6 undecidable manual S 310 21.9669 135 -0.37 49
IV.HAGA.HHZ. 2018-05-18T05:45:19.13 0.6 undecidable manual P 18 52.9026 110 -0.18 48
IV.AGST.EHZ. 2018-05-18T05:45:19.20 1.0 undecidable manual P 26 52.3032 110 -0.03 25
IV.HLNI.HHZ. 2018-05-18T05:45:19.85 0.6 undecidable manual P 351 58.0974 108 -0.22 47
IV.HPAC.HHZ. 2018-05-18T05:45:18.34 0.6 undecidable manual S 157 14.7741 147 0.08 53
IV.HVZN.HHE. 2018-05-18T05:45:18.25 0.1 undecidable manual P 330 44.7219 114 0.12 100
IV.SSY.HHZ. 2018-05-18T05:45:17.34 0.6 undecidable manual P 14 37.3293 118 0.23 50
IV.MEU.SHZ. 2018-05-18T05:45:16.48 0.6 undecidable manual P 338 33.5442 122 -0.12 51
IV.HPAC.HHZ. 2018-05-18T05:45:14.42 0.6 undecidable manual P 157 14.7741 147 -0.07 53
IV.HMDC.HHZ. 2018-05-18T05:45:14.99 0.6 undecidable manual P 310 21.9669 135 -0.2 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HPAC.HHE. ML:1.6 0.00021811070799999997 0.1024 AML other m 2018-05-18T05:45:18.78
IV.HPAC.HHN. ML:1.6 0.00020258125 0.2208 AML other m 2018-05-18T05:45:19.21
IV.HMDC.HHE. ML:1.8 0.0002901256 0.1792 AML other m 2018-05-18T05:45:19.43
IV.HMDC.HHN. ML:1.9 0.0003454317 0.0992 AML other m 2018-05-18T05:45:19.53
IV.MEU.SHE. ML:0.0 0.0003562175 0.24 AML other m 2018-05-18T05:45:22.23
IV.MEU.SHN. ML:0.0 0.0006070976 0.16 AML other m 2018-05-18T05:45:22.17
IV.SSY.HHN. ML:2.1 0.0004130459 0.1824 AML other m 2018-05-18T05:45:23.68
IV.SSY.HHE. ML:2.3 0.0005796278500000001 0.2208 AML other m 2018-05-18T05:45:24.42
IV.HAGA.HHE. ML:1.6 0.000094739205 0.1792 AML other m 2018-05-18T05:45:26.72
IV.HAGA.HHN. ML:1.8 0.000134535685 1.3184 AML other m 2018-05-18T05:45:27.89
IV.HLNI.HHE. ML:2.1 0.0002391325 0.1376 AML other m 2018-05-18T05:45:28.51
IV.HLNI.HHN. ML:2.0 0.00018970655000000001 0.08 AML other m 2018-05-18T05:45:29.40
IV.RAFF.HHE. ML:1.9 0.000128160595 1.2992 AML other m 2018-05-18T05:45:32.00
IV.RAFF.HHN. ML:1.6 0.000067153085 0.3008 AML other m 2018-05-18T05:45:33.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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