Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-01-2022 and time 05:43:22 (UTC) in region Costa Ragusana (Ragusa)

A magnitude ML 1.8 earthquake occured in region: Costa Ragusana (Ragusa), on

  • 22-01-2022 05:43:22 (UTC)
  • 22-01-2022 06:43:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.7140, 14.4800 at 27 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 14 10823 10823

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km S of Vittoria (63339 inhabitants)
30 Km SW of Modica (54633 inhabitants)
33 Km SW of Ragusa (73313 inhabitants)
44 Km SE of Gela (75827 inhabitants)
82 Km SW of Siracusa (122291 inhabitants)
94 Km SE of Caltanissetta (63360 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 2022-01-22
05:43:22		 36.7142 14.4803 27 2022-07-08
12:33:25		 Bollettino Sismico Italiano INGV 100167301
Reviewed
Rev100 		ML 1.5 2022-01-22
05:43:22		 36.7228 14.4598 28 2022-01-22
05:55:38		 Sala Sismica INGV-Roma 100043521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-22 05:43:22 ± 0.15
Latitude 36.7142 ± 0.0081
Longitude 14.4803 ± 0.0079
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100167301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 775
Semi-minor axis of confidence ellipse (meter) 631
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87684
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 100167301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-25 10:50:03

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 100043521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-22 05:55:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HNZ. 2022-01-22T05:44:03.83 3.0 undecidable manual Pg 2.96 0
IV.IVUG.HHZ. 2022-01-22T05:43:55.60 3.0 undecidable manual Pg 1.1 0
IV.HAGA.HHZ. 2022-01-22T05:43:48.45 0.3 undecidable manual S 43 87.0462 102 -0.23 64
IV.HLNI.HHZ. 2022-01-22T05:43:46.11 0.3 undecidable manual S 26 78.4659 103 -0.32 64
IV.SSY.HHZ. 2022-01-22T05:43:45.03 0.3 undecidable manual S 47 72.0723 105 0.26 66
IV.CLTA.HHE. 2022-01-22T05:43:43.88 0.6 undecidable manual S 317 67.377 106 0.32 44
IV.RAFF.HHZ. 2022-01-22T05:43:41.52 0.3 undecidable manual S 350 57.2982 109 0.51 65
IV.HVZN.HHZ. 2022-01-22T05:43:40.49 0.3 undecidable manual S 22 55.5 110 -0.07 71
MN.WDD.HHE. 2022-01-22T05:43:39.00 1.0 undecidable manual P 178 97.3248 100 -0.19 21
MN.VAE.HHZ. 2022-01-22T05:43:37.58 0.1 undecidable manual P 352 84.4488 102 0.34 85
IV.HAGA.HHZ. 2022-01-22T05:43:37.48 0.1 undecidable manual P 43 87.0462 102 -0.16 87
IV.HLNI.HHZ. 2022-01-22T05:43:36.11 0.1 undecidable manual P 26 78.4659 103 -0.23 87
IV.HMDC.HHZ. 2022-01-22T05:43:36.56 0.3 undecidable manual S 45 38.2284 119 0.23 71
IV.SSY.HHZ. 2022-01-22T05:43:35.49 0.1 undecidable manual P 47 72.0723 105 0.11 91
IV.CLTA.HHE. 2022-01-22T05:43:34.38 0.3 undecidable manual P 317 67.377 106 -0.3 66
IV.HVIT.HHZ. 2022-01-22T05:43:34.27 0.3 undecidable manual S 7 31.1466 125 -0.44 69
IV.RAFF.HHZ. 2022-01-22T05:43:33.30 0.1 negative manual P 350 57.2982 109 0.09 94
IV.HVZN.HHZ. 2022-01-22T05:43:32.90 0.1 undecidable manual P 22 55.5 110 -0.05 95
IV.CROCE.HHZ. 2022-01-22T05:43:31.54 0.3 undecidable manual S 20 13.9749 149 -0.02 77
IV.HMDC.HHZ. 2022-01-22T05:43:30.62 0.1 positive manual P 45 38.2284 119 0.12 97
IV.HVIT.HHZ. 2022-01-22T05:43:29.42 0.1 negative manual P 7 31.1466 125 -0.15 97
IV.CROCE.HHZ. 2022-01-22T05:43:27.90 0.1 positive manual P 20 13.9749 149 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CROCE.HNE. ML:1.4 0.0001437601 0.1696 AML other m 2022-01-22T05:43:31.87
IV.CROCE.HHE. ML:1.3 0.00010252852 0.1792 AML other m 2022-01-22T05:43:31.88
IV.CROCE.HHN. ML:1.1 0.0000688074945 0.08 AML other m 2022-01-22T05:43:31.88
IV.CROCE.HNN. ML:1.3 0.00010995923 0.8608 AML other m 2022-01-22T05:43:32.87
IV.HVIT.HHN. ML:2.3 0.0007197416999999999 0.2016 AML other m 2022-01-22T05:43:34.60
IV.HVIT.HHE. ML:2.2 0.00049610485 0.08 AML other m 2022-01-22T05:43:34.66
IV.HMDC.HNE. ML:1.6 0.00010692327499999999 1.3184 AML other m 2022-01-22T05:43:36.20
IV.HMDC.HNN. ML:1.4 0.00007338638999999999 1.6512 AML other m 2022-01-22T05:43:37.02
IV.HMDC.HHE. ML:1.6 0.00012582189999999998 1.3216 AML other m 2022-01-22T05:43:37.77
IV.HMDC.HHN. ML:1.8 0.00016529630000000002 0.08 AML other m 2022-01-22T05:43:37.31
IV.HVZN.HHE. ML:1.8 0.00013534995 0.32 AML other m 2022-01-22T05:43:42.95
IV.HVZN.HHN. ML:2.0 0.00018259365 0.5792 AML other m 2022-01-22T05:43:41.79
IV.SSY.HHE. ML:2.1 0.00019175601 0.0992 AML other m 2022-01-22T05:43:45.87
IV.HLNI.HHN. ML:2.0 0.00013665885 0.1184 AML other m 2022-01-22T05:43:46.63
IV.HLNI.HHE. ML:2.2 0.0002092068 1.84 AML other m 2022-01-22T05:43:47.00
IV.RAFF.HHN. ML:1.5 0.000060726465 0.5024 AML other m 2022-01-22T05:43:47.12
IV.SSY.HNN. ML:2.0 0.00013321062999999998 0.2496 AML other m 2022-01-22T05:43:48.75
IV.SSY.HHN. ML:2.5 0.00048665789999999997 0.1984 AML other m 2022-01-22T05:43:49.84
IV.SSY.HNE. ML:2.0 0.0001596317 0.1984 AML other m 2022-01-22T05:43:49.75
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