Earthquake with magnitude of ML 2.2 on date 27-04-2023 and time 04:54:35 (Italy) in region Tirreno Meridionale (MARE)

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

  • 27-04-2023 02:54:35 (UTC)
  • 27-04-2023 04:54:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6910, 14.1690 at 21 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
89 Km NE of Bagheria (55387 inhabitants)
95 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 2023-04-27
02:54:35
38.691 14.1687 21 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 116978961
Reviewed
Rev100
ML 2.3 2023-04-27
02:54:35
38.6727 14.1652 21 2023-04-27
03:02:19
Sala Sismica INGV-Roma 116784721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-27 02:54:35 ± 0.16
Latitude 38.6910 ± 0.0108
Longitude 14.1687 ± 0.0104
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116978961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1179
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 1180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
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) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.21494
Epicentral distance of station farthest from the epicenter (degree) 1.78965
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 116978961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 13:57:41

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 116784721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-27 03:02:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-04-27T02:55:10.02 0.6 undecidable manual S 112 125.5743 95 -1.86 20
IV.PLAC.HHZ. 2023-04-27T02:55:06.05 0.1 undecidable manual P 97 198.6567 54 -0.14 66
IV.CAR1.HHZ. 2023-04-27T02:55:04.29 0.3 undecidable manual P 70 186.8685 54 -0.44 50
IV.MUCR.HHZ. 2023-04-27T02:55:03.41 0.6 undecidable manual S 139 94.5387 97 -0.21 46
IV.HVZN.HHZ. 2023-04-27T02:55:03.25 0.3 undecidable manual P 164 174.492 54 0.07 56
IV.CET2.HHZ. 2023-04-27T02:55:03.63 0.3 undecidable manual P 58 179.5869 54 -0.19 54
IV.RAFF.HHZ. 2023-04-27T02:55:02.52 0.3 undecidable manual P 174 163.8138 54 0.67 50
IV.USI.HHZ. 2023-04-27T02:55:01.86 0.6 undecidable manual S 272 85.6476 98 0.56 44
IV.HLNI.HHZ. 2023-04-27T02:55:01.57 0.3 undecidable manual P 157 161.1165 54 0.05 60
IV.CSLB.HHZ. 2023-04-27T02:55:00.36 0.6 undecidable manual S 187 84.1491 98 -0.53 43
IV.PLLN.EHZ. 2023-04-27T02:54:58.89 0.6 undecidable manual S 182 77.4669 99 -0.25 47
IV.MRCB.HHN. 2023-04-27T02:54:58.24 0.3 undecidable manual P 113 145.6431 54 -1.36 41
IV.RESU.HHZ. 2023-04-27T02:54:55.47 0.3 undecidable manual P 185 116.1948 96 0.28 65
IV.MSRU.HHZ. 2023-04-27T02:54:55.80 0.1 undecidable manual P 112 125.5743 95 -0.82 72
IV.MPNC.HHN. 2023-04-27T02:54:55.15 0.3 undecidable manual P 120 119.2917 95 -0.51 62
IV.AIO.HHZ. 2023-04-27T02:54:55.77 0.3 undecidable manual P 130 122.2887 95 -0.34 64
IV.GALF.HHZ. 2023-04-27T02:54:55.49 0.3 undecidable manual P 162 114.0969 96 0.63 60
IV.ALJA.HHZ. 2023-04-27T02:54:54.62 0.3 undecidable manual P 199 110.6004 96 0.3 66
IV.MUCR.HHZ. 2023-04-27T02:54:51.70 0.1 undecidable manual P 139 94.5387 97 -0.15 93
IV.LIBRI.HHN. 2023-04-27T02:54:51.50 0.3 undecidable manual P 135 94.3389 97 -0.34 68
IV.MPG.HHE. 2023-04-27T02:54:51.33 0.3 undecidable manual P 230 91.5417 97 -0.08 71
IV.IVUG.HHZ. 2023-04-27T02:54:50.26 0.3 undecidable manual P 115 78.0663 99 0.91 57
3D.OEM5.HHZ. 2023-04-27T02:54:50.22 0.6 undecidable manual P 113 75.2691 99 1.29 31
IV.CSLB.HHZ. 2023-04-27T02:54:50.03 0.3 undecidable manual P 187 84.1491 98 -0.24 70
IV.USI.HHZ. 2023-04-27T02:54:50.47 0.3 undecidable manual P 272 85.6476 98 -0.04 72
IV.IFIL.HHZ. 2023-04-27T02:54:49.16 0.6 undecidable manual S 112 37.9287 111 0.28 51
IV.MCPD.HHE. 2023-04-27T02:54:49.55 0.3 undecidable manual P 142 80.0643 99 -0.09 73
IV.IVCR.HHZ. 2023-04-27T02:54:49.36 0.3 undecidable manual P 114 75.4689 99 0.41 69
IV.GIB.HHZ. 2023-04-27T02:54:49.43 0.1 undecidable manual P 189 78.7656 99 -0.02 99
IV.MSFR.HHZ. 2023-04-27T02:54:49.74 0.3 undecidable manual P 153 81.6516 98 -0.15 72
IV.PLLN.EHZ. 2023-04-27T02:54:49.16 0.3 undecidable manual P 182 77.4669 99 -0.1 73
IV.IVGP.HHN. 2023-04-27T02:54:49.57 0.3 undecidable manual P 115 76.0683 99 0.52 67
IV.IVLT.HHN. 2023-04-27T02:54:49.39 0.3 undecidable manual P 116 75.1692 99 0.49 68
IV.IVPL.HHZ. 2023-04-27T02:54:49.73 0.3 undecidable manual P 116 78.5658 99 0.3 70
3D.OEM8.HHN. 2023-04-27T02:54:48.50 0.3 undecidable manual P 111 69.375 100 0.47 69
IV.IACL.HHZ. 2023-04-27T02:54:44.92 0.6 undecidable manual S 137 23.8539 125 -0.62 47
IV.IFIL.HHZ. 2023-04-27T02:54:43.92 0.1 undecidable manual P 112 37.9287 111 0.58 94
IV.IACL.HHZ. 2023-04-27T02:54:40.98 0.1 undecidable manual P 137 23.8539 125 -0.43 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHN. ML:2.8 0.00199 0.92 AML other m 2023-04-27T02:54:50.05
IV.IFIL.HHE. ML:3.2 0.005215 0.34 AML other m 2023-04-27T02:54:52.38
IV.RESU.HHE. ML:2.1 0.0000892 0.44 AML other m 2023-04-27T02:54:58.23
IV.CSLB.HHN. ML:2.0 0.0001285 1.56 AML other m 2023-04-27T02:55:00.92
IV.GIB.HHN. ML:2.5 0.00039600000000000003 0.44 AML other m 2023-04-27T02:55:01.12
IV.CSLB.HHE. ML:2.0 0.000117 1.08 AML other m 2023-04-27T02:55:01.96
IV.IVPL.HHN. ML:2.3 0.00029600000000000004 0.92 AML other m 2023-04-27T02:55:02.19
IV.CSLB.HNE. ML:2.0 0.00011599999999999999 0.58 AML other m 2023-04-27T02:55:03.38
IV.IVPL.HNN. ML:2.3 0.0002895 0.42 AML other m 2023-04-27T02:55:03.17
IV.GIB.HHE. ML:2.5 0.000402 0.32 AML other m 2023-04-27T02:55:03.59
IV.USI.HHN. ML:2.6 0.00042449999999999996 0.42 AML other m 2023-04-27T02:55:04.72
IV.CSLB.HNN. ML:2.0 0.0001415 0.84 AML other m 2023-04-27T02:55:04.83
IV.PLLN.EHN. ML:2.6 0.000505 0.4 AML other m 2023-04-27T02:55:05.32
IV.PLLN.EHE. ML:2.4 0.0003645 0.7 AML other m 2023-04-27T02:55:05.06
IV.IVPL.HNE. ML:2.4 0.000382 0.54 AML other m 2023-04-27T02:55:06.46
IV.IVPL.HHE. ML:2.4 0.000368 0.54 AML other m 2023-04-27T02:55:06.48
IV.MUCR.HHE. ML:2.0 0.00009334999999999999 0.5 AML other m 2023-04-27T02:55:09.34
IV.USI.HHE. ML:2.0 0.00011449999999999999 0.82 AML other m 2023-04-27T02:55:10.50
IV.MUCR.HHN. ML:2.0 0.00010664999999999999 0.56 AML other m 2023-04-27T02:55:11.57
IV.ALJA.HHE. ML:2.4 0.0002045 0.7 AML other m 2023-04-27T02:55:12.10
IV.GALF.HHN. ML:2.4 0.000185 0.36 AML other m 2023-04-27T02:55:14.33
IV.AIO.HHN. ML:2.1 0.0000969 0.3 AML other m 2023-04-27T02:55:15.61
IV.RESU.HHN. ML:2.4 0.000183 0.52 AML other m 2023-04-27T02:55:17.50
IV.AIO.HHE. ML:2.1 0.00008885 1.32 AML other m 2023-04-27T02:55:17.20
IV.ALJA.HHN. ML:2.4 0.0002095 0.84 AML other m 2023-04-27T02:55:18.00
IV.GALF.HHE. ML:2.2 0.00014000000000000001 0.86 AML other m 2023-04-27T02:55:22.66
IV.HLNI.HHN. ML:2.1 0.00006065 0.44 AML other m 2023-04-27T02:55:27.31
IV.PLAC.HHN. ML:2.0 0.00002835 1.04 AML other m 2023-04-27T02:55:29.08
IV.PLAC.HHE. ML:2.1 0.0000346 0.94 AML other m 2023-04-27T02:55:30.40
IV.HLNI.HHE. ML:2.0 0.0000422 0.42 AML other m 2023-04-27T02:55:48.55
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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