Earthquake with magnitude of ML 1.9 on date 27-09-2022 and time 19:36:59 (Italy) in region 8 km E Mazzarrone (CT)

A magnitude ML 1.9 earthquake occured in region: 8 km E Mazzarrone (CT), on

  • 27-09-2022 17:36:59 (UTC)
  • 27-09-2022 19:36:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.1020, 14.6440 at 22 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
Mazzarrone CT 8 4078 4078
Licodia Eubea CT 8 3081 7159
Chiaramonte Gulfi RG 9 8238 15397
Monterosso Almo RG 11 3032 18429
Vizzini CT 12 6241 24670
Grammichele CT 13 13418 38088
Giarratana RG 15 3048 41136
Acate RG 16 10954 52090
Comiso RG 18 30156 82246
Buccheri SR 19 1999 84245
Mineo CT 19 5159 89404
Caltagirone CT 19 38686 128090
Vittoria RG 19 63339 191429

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Vittoria (63339 inhabitants)
21 Km NW of Ragusa (73313 inhabitants)
29 Km NW of Modica (54633 inhabitants)
35 Km E of Gela (75827 inhabitants)
58 Km W of Siracusa (122291 inhabitants)
60 Km SW of Catania (314555 inhabitants)
67 Km SE of Caltanissetta (63360 inhabitants)
73 Km SW of Acireale (52622 inhabitants)
97 Km E of Agrigento (59770 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 2022-09-27
17:36:59
37.1018 14.6443 22 2024-03-01
15:27:57
Bollettino Sismico Italiano INGV 110973231
Reviewed
Rev100
ML 1.9 2022-09-27
17:36:59
37.1145 14.6355 22 2022-09-27
17:42:19
Sala Sismica INGV-Roma 110225721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 17:36:59 ± 0.24
Latitude 37.1018 ± 0.0081
Longitude 14.6443 ± 0.0101
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110973231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 865
Semi-minor axis of confidence ellipse (meter) 622
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
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) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.38221
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:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 110973231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 15:51:32

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 110225721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 17:42:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISPIC.EHZ. 2022-09-27T17:37:14.00 0.6 undecidable manual S 147 42.4242 110 0.53 43
IV.HCRL.HHZ. 2022-09-27T17:37:13.22 0.6 undecidable manual S 60 39.7269 111 0.41 45
IV.HLNI.HHZ. 2022-09-27T17:37:11.09 0.3 undecidable manual S 36 33.9438 115 -0.29 70
IV.RAFF.HHZ. 2022-09-27T17:37:11.11 0.3 undecidable manual S 298 28.2495 121 1.07 53
IV.CROCE.HHZ. 2022-09-27T17:37:10.66 0.3 undecidable manual S 198 31.4463 117 -0.11 72
IV.HMDC.HHZ. 2022-09-27T17:37:08.78 0.6 undecidable manual S 142 20.0688 132 0.52 46
IV.HVIT.HHZ. 2022-09-27T17:37:07.64 0.6 undecidable manual S 222 16.2726 138 0.09 50
IV.ISPIC.EHZ. 2022-09-27T17:37:07.54 0.1 undecidable manual P 147 42.4242 110 0.11 95
IV.SSY.HHZ. 2022-09-27T17:37:07.12 0.3 undecidable manual P 81 38.4282 112 0.26 69
IV.HCRL.HHZ. 2022-09-27T17:37:07.00 0.1 undecidable manual P 60 39.7269 111 -0.04 97
IV.ACATE.HNZ. 2022-09-27T17:37:07.61 0.6 undecidable manual S 236 15.3735 140 0.22 49
IV.HVZN.HHZ. 2022-09-27T17:37:06.27 0.6 undecidable manual S 37 10.5783 151 -0.39 47
IV.CROCE.HHZ. 2022-09-27T17:37:05.66 0.1 undecidable manual P 198 31.4463 117 -0.21 95
IV.HLNI.HHZ. 2022-09-27T17:37:05.91 0.1 undecidable manual P 36 33.9438 115 -0.31 93
IV.RAFF.HHZ. 2022-09-27T17:37:05.47 0.1 undecidable manual P 298 28.2495 121 0.02 99
IV.HMDC.HHZ. 2022-09-27T17:37:04.48 0.1 undecidable manual P 142 20.0688 132 0.06 100
IV.HVIT.HHZ. 2022-09-27T17:37:03.60 0.1 undecidable manual P 222 16.2726 138 -0.41 93
IV.ACATE.HNZ. 2022-09-27T17:37:03.67 0.1 undecidable manual P 236 15.3735 140 -0.25 97
IV.HVZN.HHZ. 2022-09-27T17:37:03.36 0.1 undecidable manual P 37 10.5783 151 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVIT.HHE. ML:1.6 0.000243 0.24 AML other m 2022-09-27T17:37:07.80
IV.HVIT.HHN. ML:1.6 0.0002195 1.16 AML other m 2022-09-27T17:37:08.85
IV.HVZN.HHN. ML:1.9 0.000576 0.56 AML other m 2022-09-27T17:37:08.36
IV.HMDC.HHN. ML:2.1 0.000646 1.34 AML other m 2022-09-27T17:37:08.91
IV.HVZN.HHE. ML:1.6 0.000288 1.08 AML other m 2022-09-27T17:37:09.59
IV.HMDC.HHE. ML:1.4 0.000133 0.54 AML other m 2022-09-27T17:37:09.96
IV.CROCE.HHE. ML:1.6 0.000141 0.48 AML other m 2022-09-27T17:37:11.28
IV.CROCE.HHN. ML:1.7 0.00019600000000000002 0.8 AML other m 2022-09-27T17:37:11.46
IV.RAFF.HHE. ML:2.0 0.00041900000000000005 0.4 AML other m 2022-09-27T17:37:11.52
IV.RAFF.HHN. ML:2.0 0.0004465 0.34 AML other m 2022-09-27T17:37:11.50
IV.HLNI.HHE. ML:2.2 0.0006095 0.22 AML other m 2022-09-27T17:37:11.49
IV.HLNI.HHN. ML:2.4 0.0008545 0.12 AML other m 2022-09-27T17:37:11.43
IV.ISPIC.EHE. ML:1.8 0.0001725 0.52 AML other m 2022-09-27T17:37:14.20
IV.ISPIC.EHN. ML:2.1 0.00034199999999999996 0.26 AML other m 2022-09-27T17:37:14.30
IV.SSY.HNN. ML:1.9 0.00026900000000000003 1.36 AML other m 2022-09-27T17:37:15.10
IV.HCRL.HHN. ML:2.1 0.00041500000000000006 0.16 AML other m 2022-09-27T17:37:16.24
IV.HCRL.HHE. ML:2.0 0.0003075 0.54 AML other m 2022-09-27T17:37:16.47
IV.SSY.HHE. ML:2.2 0.0004685 0.56 AML other m 2022-09-27T17:37:16.59
IV.SSY.HHN. ML:2.4 0.0008205 0.74 AML other m 2022-09-27T17:37:16.62
IV.SSY.HNE. ML:1.9 0.00023899999999999998 1.08 AML other m 2022-09-27T17:37:19.95
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