Earthquake with magnitude of ML 2.2 on date 18-04-2023 and time 03:17:06 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 18-04-2023 01:17:06 (UTC)
  • 18-04-2023 03:17:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6360, 14.1400 at 6 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
83 Km NE of Bagheria (55387 inhabitants)
89 Km NE of Palermo (674435 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 2.2 2023-04-18
01:17:06
38.6362 14.1398 6 2024-03-01
17:18:13
Bollettino Sismico Italiano INGV 119767951
Reviewed
Rev100
ML 2.1 2023-04-18
01:17:06
38.6668 14.1517 8 2023-04-18
01:37:07
Sala Sismica INGV-Roma 116474371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 01:17:06 ± 0.17
Latitude 38.6362 ± 0.0099
Longitude 14.1398 ± 0.0058
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119767951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1116
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.19695
Epicentral distance of station farthest from the epicenter (degree) 1.41014
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 116474371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-18 01:37:07

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 119767951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-07 10:01:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHE. 2023-04-18T01:17:34.18 0.6 undecidable manual S 136 91.6416 50 -0.74 38
IV.HLNI.HHZ. 2023-04-18T01:17:32.51 0.3 undecidable manual P 156 156.5211 50 -0.54 53
3D.OEM9.HNZ. 2023-04-18T01:17:31.70 0.6 undecidable manual S 110 78.8655 50 0.22 46
IV.IVGP.HHZ. 2023-04-18T01:17:31.20 0.6 undecidable manual S 110 76.0683 50 0.46 44
IV.IVLT.HHZ. 2023-04-18T01:17:30.70 0.6 undecidable manual S 111 75.0693 50 0.22 46
IV.CSLB.HHZ. 2023-04-18T01:17:30.70 0.6 undecidable manual S 185 77.8665 50 -0.52 43
IV.MCPD.HHZ. 2023-04-18T01:17:30.60 0.6 undecidable manual S 138 76.9674 50 -0.38 44
3D.OEM4.HHZ. 2023-04-18T01:17:30.70 0.6 undecidable manual S 110 74.0703 50 0.5 43
IV.PLLN.EHZ. 2023-04-18T01:17:29.90 0.6 undecidable manual S 180 71.373 50 0.4 45
3D.OEM8.HHZ. 2023-04-18T01:17:28.80 0.6 undecidable manual S 105 69.8745 50 -0.3 46
IV.AIO.HHZ. 2023-04-18T01:17:26.89 0.3 undecidable manual P 127 120.3906 50 -0.59 57
IV.CORL.HHZ. 2023-04-18T01:17:25.26 0.3 undecidable manual P 222 109.9122 50 -0.6 58
IV.ALJA.HHZ. 2023-04-18T01:17:25.70 0.3 undecidable manual P 199 104.0181 50 0.75 56
IV.MARIO.HHN. 2023-04-18T01:17:24.05 0.3 undecidable manual P 219 97.5246 50 0.1 68
IV.CIMI.HNE. 2023-04-18T01:17:24.36 0.3 undecidable manual P 211 97.2249 50 0.46 63
IV.ISTR.HHZ. 2023-04-18T01:17:23.34 1.0 undecidable manual P 79 92.5407 50 0.15 23
IV.MPG.HHE. 2023-04-18T01:17:22.01 0.3 undecidable manual P 232 85.8474 50 -0.14 69
IV.MUCR.HHE. 2023-04-18T01:17:22.87 0.1 undecidable manual P 136 91.6416 50 -0.18 90
3D.OEM9.HNZ. 2023-04-18T01:17:21.31 0.3 undecidable manual P 110 78.8655 50 0.24 68
3D.OEM5.HHZ. 2023-04-18T01:17:21.06 0.6 undecidable manual P 108 75.4689 50 0.5 43
IV.CSLB.HHZ. 2023-04-18T01:17:21.11 0.1 undecidable manual P 185 77.8665 50 0.19 92
IV.SOLUN.HHE. 2023-04-18T01:17:21.08 0.6 undecidable manual P 221 80.2641 50 -0.21 46
IV.USI.HHZ. 2023-04-18T01:17:21.38 0.6 undecidable manual P 276 83.5497 50 -0.43 43
IV.IVPL.HNZ. 2023-04-18T01:17:20.25 0.6 undecidable manual P 111 78.4659 50 -0.76 39
IV.MSFR.HHZ. 2023-04-18T01:17:20.81 0.3 undecidable manual P 149 77.4669 50 -0.06 71
3D.OEM4.HHZ. 2023-04-18T01:17:20.63 0.3 undecidable manual P 110 74.0703 50 0.3 68
IV.PLLN.EHZ. 2023-04-18T01:17:20.18 0.1 undecidable manual P 180 71.373 50 0.25 92
IV.IVLT.HHZ. 2023-04-18T01:17:20.70 0.3 undecidable manual P 111 75.0693 50 0.21 69
IV.IVUG.HHZ. 2023-04-18T01:17:20.98 0.6 undecidable manual P 110 78.1662 50 0.02 48
3D.OEM7.HHZ. 2023-04-18T01:17:20.18 0.3 undecidable manual P 103 74.0703 50 -0.16 70
IV.MCPD.HHZ. 2023-04-18T01:17:20.81 0.3 undecidable manual P 138 76.9674 50 0.03 72
IV.IVGP.HHZ. 2023-04-18T01:17:20.68 0.3 undecidable manual P 110 76.0683 50 0.04 71
IV.IVCR.HHZ. 2023-04-18T01:17:20.75 0.3 undecidable manual P 109 75.5688 50 0.18 69
IV.IFIL.HHZ. 2023-04-18T01:17:19.80 0.6 undecidable manual S 102 38.5281 99 -0.59 45
3D.OEM8.HHZ. 2023-04-18T01:17:19.52 0.3 undecidable manual P 105 69.8745 50 -0.18 70
IV.IACL.HHZ. 2023-04-18T01:17:14.70 0.6 undecidable manual S 121 21.867 105 -0.01 53
IV.IFIL.HHZ. 2023-04-18T01:17:14.52 0.1 undecidable manual P 102 38.5281 99 -0.14 100
IV.IACL.HHZ. 2023-04-18T01:17:11.78 0.1 undecidable manual P 121 21.867 105 0.4 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IACL.HHE. ML:2.6 0.003059566 0.18 AML other m 2023-04-18T01:17:16.06
IV.IFIL.HHE. ML:3.0 0.003875 0.18 AML other m 2023-04-18T01:17:20.48
IV.IFIL.HHN. ML:2.6 0.0014849999999999998 0.5 AML other m 2023-04-18T01:17:23.81
IV.CSLB.HNE. ML:1.8 0.00008945 1.06 AML other m 2023-04-18T01:17:32.68
IV.MCPD.HHN. ML:1.6 0.00006110000000000001 0.24 AML other m 2023-04-18T01:17:32.32
IV.CSLB.HHE. ML:1.8 0.00008695 1.34 AML other m 2023-04-18T01:17:33.69
IV.PLLN.EHN. ML:2.4 0.0004435 1.26 AML other m 2023-04-18T01:17:33.76
IV.CSLB.HNN. ML:1.9 0.0001175 0.86 AML other m 2023-04-18T01:17:33.76
IV.CSLB.HHN. ML:1.9 0.00011 0.86 AML other m 2023-04-18T01:17:33.77
IV.MCPD.HHE. ML:1.5 0.0000451 1.52 AML other m 2023-04-18T01:17:34.16
IV.PLLN.EHE. ML:2.3 0.00030649999999999997 0.82 AML other m 2023-04-18T01:17:36.53
IV.CET2.HHN. ML:2.3 0.00007035 1 AML other m 2023-04-18T01:17:39.96
IV.ALJA.HHE. ML:2.3 0.0001985 0.58 AML other m 2023-04-18T01:17:43.18
IV.ALJA.HHN. ML:2.4 0.00021500000000000002 0.4 AML other m 2023-04-18T01:17:44.41
IV.CET2.HHE. ML:2.2 0.00004945 0.84 AML other m 2023-04-18T01:17:57.22
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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