Earthquake with magnitude of ML 1.2 on date 26-12-2022 and time 00:27:51 (Italy) in region 9 km E Ragusa (RG)

A magnitude ML 1.2 earthquake occured in region: 9 km E Ragusa (RG), on

  • 25-12-2022 23:27:51 (UTC)
  • 26-12-2022 00:27:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 36.9620, 14.8260 at 11 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
Ragusa RG 9 73313 73313
Giarratana RG 10 3048 76361
Modica RG 13 54633 130994
Palazzolo Acreide SR 13 8808 139802
Chiaramonte Gulfi RG 14 8238 148040
Buscemi SR 15 1051 149091
Monterosso Almo RG 15 3032 152123
Buccheri SR 19 1999 154122
Cassaro SR 19 821 154943
Rosolini SR 19 21427 176370
Comiso RG 20 30156 206526

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km E of Ragusa (73313 inhabitants)
13 Km NE of Modica (54633 inhabitants)
26 Km E of Vittoria (63339 inhabitants)
43 Km W of Siracusa (122291 inhabitants)
52 Km E of Gela (75827 inhabitants)
65 Km SW of Catania (314555 inhabitants)
79 Km SW of Acireale (52622 inhabitants)
90 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 1.2 2022-12-25
23:27:51
36.962 14.8255 11 2024-03-01
15:28:26
Bollettino Sismico Italiano INGV 118333481
Reviewed
Rev100
ML 1.2 2022-12-25
23:27:50
36.9652 14.8252 9 2022-12-25
23:33:06
Sala Sismica INGV-Roma 113083691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-25 23:27:51 ± 0.13
Latitude 36.9620 ± 0.0090
Longitude 14.8255 ± 0.0079
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118333481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1002
Semi-minor axis of confidence ellipse (meter) 543
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45146
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 113083691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-25 23:33:06

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 118333481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-12 10:10:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.EHZ. 2022-12-25T23:28:14.41 3.0 undecidable manual P 0.04 0
IV.HCRL.HHZ. 2022-12-25T23:28:05.14 0.6 undecidable manual S 27 40.0266 50 0.7 40
IV.HLNI.HHZ. 2022-12-25T23:28:05.35 0.3 undecidable manual S 5 43.0236 50 0.1 69
IV.SSY.HHZ. 2022-12-25T23:28:02.44 0.6 undecidable manual S 45 30.8469 50 0.44 44
IV.RAFF.HHZ. 2022-12-25T23:28:01.28 0.3 undecidable manual P 305 50.1165 50 0.87 54
IV.CROCE.HHE. 2022-12-25T23:28:01.83 0.6 undecidable manual S 241 29.5482 50 0.19 47
IV.HVZN.HHZ. 2022-12-25T23:28:00.26 0.3 undecidable manual S 338 25.8519 50 -0.41 67
IV.HAVL.HHZ. 2022-12-25T23:28:00.23 0.6 undecidable manual S 90 26.2515 50 -0.55 43
IV.HVIT.HHZ. 2022-12-25T23:28:00.76 0.3 undecidable manual S 277 27.1506 50 -0.24 69
IV.HCRL.HHZ. 2022-12-25T23:27:58.89 0.3 undecidable manual P 27 40.0266 50 0.04 71
IV.HLNI.HHZ. 2022-12-25T23:27:58.88 0.1 undecidable manual P 5 43.0236 50 -0.44 86
IV.SSY.HHZ. 2022-12-25T23:27:57.56 0.1 undecidable manual P 45 30.8469 50 0.12 94
IV.CROCE.HHE. 2022-12-25T23:27:57.49 0.3 undecidable manual P 241 29.5482 50 0.26 69
IV.HVIT.HHZ. 2022-12-25T23:27:56.73 0.1 negative manual P 277 27.1506 50 -0.14 95
IV.HVZN.HHZ. 2022-12-25T23:27:56.44 0.3 undecidable manual P 338 25.8519 50 -0.23 70
IV.HAVL.HHZ. 2022-12-25T23:27:56.62 0.1 undecidable manual P 90 26.2515 50 -0.11 95
IV.HMDC.HNN. 2022-12-25T23:27:55.04 0.6 undecidable manual S 265 3.7962 161 -0.1 50
IV.HMDC.HNN. 2022-12-25T23:27:53.54 0.1 undecidable manual P 265 3.7962 161 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HVZN.HHN. ML:1.1 0.00006665000000000001 0.52 AML other m 2022-12-25T23:28:00.49
IV.HVIT.HHN. ML:0.9 0.0000435 1.32 AML other m 2022-12-25T23:28:01.08
IV.HVIT.HHE. ML:0.9 0.00003895 0.92 AML other m 2022-12-25T23:28:01.99
IV.HVZN.HHE. ML:1.0 0.00006154999999999999 1.74 AML other m 2022-12-25T23:28:02.91
IV.SSY.HHN. ML:1.8 0.00029800000000000003 1.46 AML other m 2022-12-25T23:28:03.07
IV.SSY.HHE. ML:1.7 0.0002155 0.32 AML other m 2022-12-25T23:28:03.36
IV.HCRL.HHN. ML:1.2 0.00006075 0.4 AML other m 2022-12-25T23:28:05.60
IV.HCRL.HHE. ML:1.6 0.0001225 0.16 AML other m 2022-12-25T23:28:05.48
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