Earthquake with magnitude of ML 2.1 on date 19-04-2023 and time 23:31:59 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 19-04-2023 23:31:59 (UTC)
  • 20-04-2023 01:31:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.0170, 16.0620 at 5 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
68 Km E 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 2.1 2023-04-19
23:31:59
37.0172 16.0622 5 2024-03-01
17:18:12
Bollettino Sismico Italiano INGV 118939631
Reviewed
Rev100
ML 2.1 2023-04-19
23:31:59
36.992 16.0688 30 2023-04-19
23:44:49
Sala Sismica INGV-Roma 116534171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 23:31:59 ± 0.26
Latitude 37.0172 ± 0.0171
Longitude 16.0622 ± 0.0259
Depth (km) 5 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118939631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2714
Semi-minor axis of confidence ellipse (meter) 892
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 2710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 253
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
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) 0.67449
Epicentral distance of station farthest from the epicenter (degree) 1.60529
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 118939631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-17 17:15:31

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 21
Type of magnitude ML
Reference to an origin 116534171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 23:44:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVIT.HHZ. 2023-04-19T23:32:38.58 0.6 undecidable manual S 269 136.4634 50 -0.84 36
IV.HVZN.HHZ. 2023-04-19T23:32:35.12 0.6 undecidable manual S 279 120.4905 50 -0.03 47
IY.CNDF.HHN.00 2023-04-19T23:32:32.16 0.6 undecidable manual S 351 110.9001 50 -0.42 44
IV.HMDC.HHZ. 2023-04-19T23:32:32.92 0.3 undecidable manual S 267 113.4975 50 -0.36 67
IV.HLNI.HHZ. 2023-04-19T23:32:32.01 0.3 undecidable manual S 290 111.3996 50 -0.72 60
IV.MPAZ.HHE. 2023-04-19T23:32:31.02 0.6 undecidable manual S 357 103.9182 50 0.3 46
1J.FX14.HHE.00 2023-04-19T23:32:30.77 0.6 undecidable manual S 352 102.0201 50 0.56 43
IV.HPAC.HHZ. 2023-04-19T23:32:28.94 0.6 undecidable manual S 250 97.2249 50 0.01 50
IV.HCRL.HHE. 2023-04-19T23:32:28.40 0.6 undecidable manual S 288 95.7264 50 -0.13 49
IV.CPTP.HHZ. 2023-04-19T23:32:28.69 0.3 undecidable manual P 285 173.2932 50 0.58 52
IV.IVPL.HHZ. 2023-04-19T23:32:27.89 0.6 undecidable manual P 328 178.1883 50 -0.96 29
IV.SSY.HHZ. 2023-04-19T23:32:27.30 0.6 undecidable manual S 280 88.8444 50 0.6 44
IV.HAVL.HHZ. 2023-04-19T23:32:26.04 0.6 undecidable manual S 266 83.5497 50 0.75 42
IV.HAGA.HHE. 2023-04-19T23:32:25.66 0.6 undecidable manual S 291 85.5477 50 -0.16 49
IV.GALF.HHZ. 2023-04-19T23:32:25.18 0.3 undecidable manual P 301 152.6361 50 0.26 62
IV.RAFF.HHZ. 2023-04-19T23:32:24.27 0.3 undecidable manual P 279 152.0367 50 -0.55 58
IV.AGST.EHZ. 2023-04-19T23:32:24.08 0.6 undecidable manual S 290 78.4659 50 0.15 50
IV.EPZF.HHZ. 2023-04-19T23:32:23.36 0.6 undecidable manual P 310 138.861 50 0.57 40
IV.MSRU.HHZ. 2023-04-19T23:32:23.89 0.3 undecidable manual P 341 146.6421 50 -0.09 66
IV.HSRS.HHZ. 2023-04-19T23:32:23.59 0.6 undecidable manual S 277 74.8695 50 0.63 44
IV.ESCV.HHZ. 2023-04-19T23:32:23.18 0.3 undecidable manual P 307 136.5633 50 0.75 56
IV.MRCB.HHZ. 2023-04-19T23:32:21.01 0.3 undecidable manual P 346 130.869 50 -0.55 61
IV.HVIT.HHZ. 2023-04-19T23:32:21.96 0.3 undecidable manual P 269 136.4634 50 -0.47 62
IV.AIO.HHZ. 2023-04-19T23:32:20.81 0.3 undecidable manual P 326 128.5713 50 -0.39 65
IV.ESML.HHZ. 2023-04-19T23:32:20.47 0.3 undecidable manual P 303 123.7872 50 0 71
IV.HVZN.HHZ. 2023-04-19T23:32:19.63 0.3 undecidable manual P 279 120.4905 50 -0.33 67
IV.EPMN.HHE. 2023-04-19T23:32:19.66 0.6 undecidable manual P 319 118.3926 50 0.02 47
IV.MPAZ.HHE. 2023-04-19T23:32:18.15 0.6 undecidable manual P 357 103.9182 50 0.74 40
IV.HLNI.HHZ. 2023-04-19T23:32:18.14 0.1 negative manual P 290 111.3996 50 -0.42 89
IY.CNDF.HHN.00 2023-04-19T23:32:18.34 0.3 undecidable manual P 351 110.9001 50 -0.13 71
IV.HMDC.HHZ. 2023-04-19T23:32:18.60 0.1 undecidable manual P 267 113.4975 50 -0.28 91
IV.EPOZ.HHE. 2023-04-19T23:32:17.81 0.6 undecidable manual P 314 105.9162 50 0.1 48
1J.FX14.HHE.00 2023-04-19T23:32:16.92 0.3 undecidable manual P 352 102.0201 50 -0.19 71
IV.HCRL.HHE. 2023-04-19T23:32:16.16 0.1 undecidable manual P 288 95.7264 50 0.01 99
IV.HPAC.HHZ. 2023-04-19T23:32:16.33 0.3 undecidable manual P 250 97.2249 50 -0.04 74
IV.SSY.HHZ. 2023-04-19T23:32:15.18 0.3 undecidable manual P 280 88.8444 50 0.09 74
IV.HAVL.HHZ. 2023-04-19T23:32:14.61 0.1 undecidable manual P 266 83.5497 50 0.34 95
IV.HAGA.HHE. 2023-04-19T23:32:14.66 0.1 undecidable manual P 291 85.5477 50 0.08 100
IV.HSRS.HHZ. 2023-04-19T23:32:13.40 0.1 undecidable manual P 277 74.8695 50 0.47 94
IV.AGST.EHZ. 2023-04-19T23:32:13.73 0.1 undecidable manual P 290 78.4659 50 0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HSRS.HHN. ML:1.5 0.000045575375 1.68 AML other m 2023-04-19T23:32:24.84
IV.HSRS.HHE. ML:1.4 0.000036404875000000006 0.384 AML other m 2023-04-19T23:32:25.83
IV.HAVL.HHE. ML:2.0 0.0001399399 0.2304 AML other m 2023-04-19T23:32:27.18
IV.HPAC.HHN. ML:2.3 0.0002220818 0.1536 AML other m 2023-04-19T23:32:29.36
IV.HPAC.HHE. ML:2.4 0.000277 0.14 AML other m 2023-04-19T23:32:29.50
IV.HAVL.HHN. ML:2.3 0.00027449999999999995 0.26 AML other m 2023-04-19T23:32:30.14
IV.SSY.HHN. ML:2.0 0.00013351088999999998 0.0768 AML other m 2023-04-19T23:32:30.30
IV.SSY.HNN. ML:2.0 0.0001317932 0.6272 AML other m 2023-04-19T23:32:30.84
IV.SSY.HHE. ML:1.6 0.00004510825 0.1408 AML other m 2023-04-19T23:32:30.53
IV.HLNI.HNN. ML:2.0 0.00008285379 0.192 AML other m 2023-04-19T23:32:32.56
IV.HLNI.HHN. ML:2.0 0.00007833021500000001 0.2048 AML other m 2023-04-19T23:32:32.56
IV.HMDC.HNN. ML:2.4 0.00018506145000000003 0.7168 AML other m 2023-04-19T23:32:32.95
IV.HLNI.HHE. ML:2.1 0.00009859941499999999 0.1024 AML other m 2023-04-19T23:32:32.88
IV.HLNI.HNE. ML:2.2 0.00011846308 0.2944 AML other m 2023-04-19T23:32:33.04
IV.HMDC.HNE. ML:2.3 0.0001617913 1.0496 AML other m 2023-04-19T23:32:34.08
IV.HMDC.HHE. ML:1.9 0.00006858411 0.064 AML other m 2023-04-19T23:32:34.68
IV.HMDC.HHN. ML:2.0 0.00009205713499999999 0.1792 AML other m 2023-04-19T23:32:36.06
IV.HVZN.HNN. ML:2.3 0.00016124255 0.8576 AML other m 2023-04-19T23:32:36.68
IV.HVZN.HHN. ML:2.2 0.0001135 0.36 AML other m 2023-04-19T23:32:36.47
IV.MRCB.HHE. ML:1.6 0.000025529949999999998 0.256 AML other m 2023-04-19T23:32:37.50
IV.HVZN.HHE. ML:2.1 0.00009858118 0.2816 AML other m 2023-04-19T23:32:38.05
IV.MRCB.HHN. ML:1.5 0.000020556895 0.2176 AML other m 2023-04-19T23:32:38.25
IV.SSY.HNE. ML:2.0 0.00013091845 0.2816 AML other m 2023-04-19T23:32:40.36
IV.HVIT.HHE. ML:2.2 0.00010630000000000001 0.18 AML other m 2023-04-19T23:32:41.14
IV.HVIT.HHN. ML:2.2 0.000087112465 0.1536 AML other m 2023-04-19T23:32:42.96
IV.IVPL.HHN. ML:2.4 0.00008371105500000001 0.5632 AML other m 2023-04-19T23:32:53.84
IV.IVPL.HHE. ML:2.3 0.000074428675 0.4992 AML other m 2023-04-19T23:32:55.22
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
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