Earthquake with magnitude of ML 1.8 on date 02-02-2023 and time 03:00:03 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 02-02-2023 03:00:03 (UTC)
  • 02-02-2023 04:00:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.2570, 15.7500 at 28 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Siracusa (122291 inhabitants)
65 Km E of Catania (314555 inhabitants)
65 Km SE of Acireale (52622 inhabitants)
95 Km S of Reggio di Calabria (183035 inhabitants)
98 Km E of Ragusa (73313 inhabitants)
98 Km E of Modica (54633 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 2023-02-02
03:00:03
37.2568 15.7497 28 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117749821
Reviewed
Rev100
ML 1.6 2023-02-02
03:00:03
37.2337 15.7268 4 2023-02-02
03:22:47
Sala Sismica INGV-Roma 113971771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-02 03:00:03 ± 0.13
Latitude 37.2568 ± 0.0090
Longitude 15.7497 ± 0.0079
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117749821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 934
Semi-minor axis of confidence ellipse (meter) 710
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 280
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.41549
Epicentral distance of station farthest from the epicenter (degree) 1.04771
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:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 117749821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-24 13:22:39

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 113971771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-02 03:22:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHE. 2023-02-02T03:00:37.86 0.6 undecidable manual S 319 116.2947 99 0.18 44
IV.HLNI.HHZ. 2023-02-02T03:00:27.31 0.6 undecidable manual S 278 78.0663 104 -0.38 46
IV.HCRL.HHE. 2023-02-02T03:00:24.27 0.6 undecidable manual S 273 63.3921 108 0.35 48
IV.HAVL.HHZ. 2023-02-02T03:00:24.34 0.6 undecidable manual S 239 64.5909 108 0.12 51
IV.SSY.HHZ. 2023-02-02T03:00:23.27 0.6 undecidable manual S 260 60.6948 109 0.03 52
IV.MUCR.HHE. 2023-02-02T03:00:23.35 0.3 undecidable manual P 319 116.2947 99 -0.02 69
IV.HAGA.HHE. 2023-02-02T03:00:21.21 0.6 undecidable manual S 274 52.6029 112 0 52
IV.HSRS.HHE. 2023-02-02T03:00:20.62 0.6 undecidable manual S 249 50.1165 113 0.03 53
IV.AGST.EHZ. 2023-02-02T03:00:19.71 0.6 undecidable manual S 270 46.1205 115 0.08 53
IV.HVZN.HHZ. 2023-02-02T03:00:19.93 1.0 undecidable manual P 265 91.7415 102 0.27 23
IV.HLNI.HHZ. 2023-02-02T03:00:17.27 0.1 undecidable manual P 278 78.0663 104 -0.33 94
IV.HCRL.HHE. 2023-02-02T03:00:15.61 0.3 undecidable manual P 273 63.3921 108 0.19 74
IV.SSY.HHZ. 2023-02-02T03:00:15.15 0.3 undecidable manual P 260 60.6948 109 0.12 76
IV.HAVL.HHZ. 2023-02-02T03:00:15.48 0.1 undecidable manual P 239 64.5909 108 -0.12 100
IV.HAGA.HHE. 2023-02-02T03:00:13.76 0.3 undecidable manual P 274 52.6029 112 -0.1 77
IV.AGST.EHZ. 2023-02-02T03:00:13.04 0.3 undecidable manual P 270 46.1205 115 0.09 78
IV.HSRS.HHE. 2023-02-02T03:00:13.46 0.3 undecidable manual P 249 50.1165 113 -0.04 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHN. ML:1.6 0.00008358415 0.36 AML other m 2023-02-02T03:00:22.09
IV.AGST.EHE. ML:1.4 0.00006361185 0.1616 AML other m 2023-02-02T03:00:22.63
IV.HAVL.HHN. ML:1.5 0.000052579375 0.6192 AML other m 2023-02-02T03:00:23.87
IV.HVZN.HHN. ML:1.9 0.00008892147999999999 0.9392 AML other m 2023-02-02T03:00:25.82
IV.HAVL.HHE. ML:1.5 0.000052487315 0.36 AML other m 2023-02-02T03:00:27.51
IV.SSY.HHN. ML:2.1 0.00020301350000000002 0.24 AML other m 2023-02-02T03:00:28.02
IV.SSY.HNN. ML:1.6 0.00006363357999999999 0.2208 AML other m 2023-02-02T03:00:28.03
IV.HLNI.HHN. ML:1.4 0.000032846075 0.1008 AML other m 2023-02-02T03:00:28.49
IV.SSY.HNE. ML:1.5 0.0000526492 0.2192 AML other m 2023-02-02T03:00:30.86
IV.SSY.HHE. ML:1.6 0.00007529644000000001 0.3008 AML other m 2023-02-02T03:00:34.53
IV.IVPL.HHN. ML:2.1 0.00006825457 0.92 AML other m 2023-02-02T03:00:36.60
IV.HVZN.HNN. ML:2.4 0.00025689640000000003 1.4112 AML other m 2023-02-02T03:00:47.72
IV.IVPL.HHE. ML:2.1 0.00006855647500000001 1.1008 AML other m 2023-02-02T03:00:49.88
IV.HVZN.HHE. ML:1.8 0.000069996575 0.72 AML other m 2023-02-02T03:00:51.48
IV.IVPL.HNN. ML:2.2 0.00009202763 0.0096 AML other m 2023-02-02T03:00:52.50
IV.IVPL.HNE. ML:2.2 0.00007961569 0.0096 AML other m 2023-02-02T03:00:52.51
IV.HVZN.HNE. ML:1.7 0.000057066035 0.8096 AML other m 2023-02-02T03:00:52.00
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