Earthquake with magnitude of ML 1.7 on date 28-08-2019 and time 04:12:15 (Italy) in region 2 km SW Aidone (EN)

A magnitude ML 1.7 earthquake occured in region: 2 km SW Aidone (EN), on

  • 28-08-2019 02:12:15 (UTC)
  • 28-08-2019 04:12:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4090, 14.4290 at 34 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
Aidone EN 2 4889 4889
Piazza Armerina EN 6 21886 26775
Mirabella Imbaccari CT 9 4912 31687
Valguarnera Caropepe EN 11 7866 39553
Raddusa CT 12 3178 42731
San Michele di Ganzaria CT 14 3245 45976
San Cono CT 14 2697 48673

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Caltanissetta (63360 inhabitants)
41 Km NE of Gela (75827 inhabitants)
52 Km N of Vittoria (63339 inhabitants)
59 Km W of Catania (314555 inhabitants)
60 Km NW of Ragusa (73313 inhabitants)
68 Km NW of Modica (54633 inhabitants)
69 Km W of Acireale (52622 inhabitants)
75 Km E of Agrigento (59770 inhabitants)
86 Km W of Siracusa (122291 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 1.7 2019-08-28
02:12:15
37.4087 14.4287 35 2019-11-13
14:31:04
Bollettino Sismico Italiano INGV 73017691
Reviewed
Rev100
ML 1.6 2019-08-28
02:12:15
37.4043 14.4228 35 2019-08-28
02:48:09
Sala Sismica INGV-Roma 71864101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-28 02:12:15 ± 0.15
Latitude 37.4087 ± 0.0081
Longitude 14.4287 ± 0.0102
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73017691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1080
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.19335
Epicentral distance of station farthest from the epicenter (degree) 0.85166
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 71864101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-28 02:48:09

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 73017691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-07 14:33:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2019-08-28T02:12:44.76 1.0 undecidable manual S 145 94.5387 54 1.02 18
IV.ISPIC.EHZ. 2019-08-28T02:12:41.20 0.3 undecidable manual S 149 81.3519 109 0.43 68
IV.AGST.EHZ. 2019-08-28T02:12:38.80 0.3 undecidable manual S 103 72.4719 111 0.27 72
IV.HAGA.HHZ. 2019-08-28T02:12:37.00 0.1 undecidable manual S 102 65.49 113 0.18 99
IV.SSY.HHZ. 2019-08-28T02:12:36.90 0.3 undecidable manual S 116 63.3921 114 0.61 67
IV.HPAC.HHZ. 2019-08-28T02:12:31.86 0.1 undecidable manual P 145 94.5387 54 0.03 96
IV.HLNI.HHZ. 2019-08-28T02:12:30.60 0.6 undecidable manual S 100 39.627 127 -0.21 51
IV.ISPIC.EHZ. 2019-08-28T02:12:29.79 0.3 undecidable manual P 149 81.3519 109 -0.33 69
IV.AGST.EHZ. 2019-08-28T02:12:28.35 0.1 undecidable manual P 103 72.4719 111 -0.47 91
IV.FAVR.HHN. 2019-08-28T02:12:28.72 1.0 undecidable manual P 257 68.9754 112 0.39 23
IV.SSY.HHZ. 2019-08-28T02:12:27.52 0.6 undecidable manual P 116 63.3921 114 -0.01 51
IV.RAFF.HHZ. 2019-08-28T02:12:27.70 0.6 undecidable manual S 196 21.4674 145 0.29 51
IV.HAGA.HHZ. 2019-08-28T02:12:27.41 0.1 undecidable manual P 102 65.49 113 -0.43 93
IV.MNO.SHE. 2019-08-28T02:12:27.82 0.3 undecidable manual P 22 62.493 114 0.41 71
IV.PETRA.HHE. 2019-08-28T02:12:26.13 0.3 undecidable manual P 330 54.6009 118 -0.19 75
IV.CLTA.HHE. 2019-08-28T02:12:25.54 0.3 undecidable manual P 236 49.7169 120 -0.12 77
IV.RESU.HHZ. 2019-08-28T02:12:25.73 0.6 undecidable manual P 309 42.0246 125 1.07 37
IV.GALF.HHZ. 2019-08-28T02:12:24.11 0.3 undecidable manual P 20 35.6421 130 0.23 77
IV.HVZN.HHE. 2019-08-28T02:12:23.69 0.3 undecidable manual P 135 35.9418 130 -0.23 77
IV.HLNI.HHZ. 2019-08-28T02:12:23.89 0.1 negative manual P 100 39.627 127 -0.48 96
IV.CPTP.HHZ. 2019-08-28T02:12:22.72 0.3 undecidable manual P 270 23.4543 143 0.14 80
IV.RAFF.HHZ. 2019-08-28T02:12:21.91 0.1 negative manual P 196 21.4674 145 -0.5 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RAFF.HHE. ML:1.2 0.000052904985 0.28 AML other m 2019-08-28T02:12:28.06
IV.RAFF.HHN. ML:1.2 0.00006202655 0.28 AML other m 2019-08-28T02:12:28.22
IV.HLNI.HHE. ML:1.5 0.0000746 1.16 AML other m 2019-08-28T02:12:30.76
IV.HLNI.HHN. ML:1.7 0.00011435 0.2 AML other m 2019-08-28T02:12:30.77
IV.GALF.HHE. ML:1.5 0.00008015 0.54 AML other m 2019-08-28T02:12:32.02
IV.GALF.HHN. ML:1.6 0.00009820000000000002 0.56 AML other m 2019-08-28T02:12:34.86
IV.HAGA.HHE. ML:1.8 0.00009275 0.66 AML other m 2019-08-28T02:12:37.36
IV.HAGA.HHN. ML:1.6 0.000065310495 0.16 AML other m 2019-08-28T02:12:37.38
IV.SSY.HHN. ML:2.5 0.0005420000000000001 0.18 AML other m 2019-08-28T02:12:38.81
IV.AGST.EHN. ML:2.1 0.000165 0.62 AML other m 2019-08-28T02:12:39.13
IV.AGST.EHE. ML:2.0 0.00014155 1.32 AML other m 2019-08-28T02:12:39.15
IV.SSY.HHE. ML:2.2 0.0002315 0.14 AML other m 2019-08-28T02:12:40.17
IV.ISPIC.EHE. ML:1.5 0.000042130635 0.16 AML other m 2019-08-28T02:12:41.41
IV.ISPIC.EHN. ML:1.6 0.00004605256 0.12 AML other m 2019-08-28T02:12:41.33
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