Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 24-04-2023 and time 01:28:53 (Italy) in region Isole Eolie (Messina)

A magnitude ML 1.2 earthquake occured in region: Isole Eolie (Messina), on

  • 23-04-2023 23:28:53 (UTC)
  • 24-04-2023 01:28:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4480, 14.5570 at 10 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
92 Km W of Messina (238439 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 2023-04-23
23:28:53		 38.4483 14.5568 10 2024-03-01
17:18:11		 Bollettino Sismico Italiano INGV 118350451
Reviewed
Rev100 		ML 1.3 2023-04-23
23:28:53		 38.4493 14.5363 13 2023-04-23
23:39:16		 Sala Sismica INGV-Roma 116671411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-23 23:28:53 ± 0.12
Latitude 38.4483 ± 0.0153
Longitude 14.5568 ± 0.0149
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118350451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1991
Semi-minor axis of confidence ellipse (meter) 731
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 1990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.76802
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 118350451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-12 10:02:35

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 116671411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-23 23:39:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILZ.HHN. 2023-04-23T23:29:12.67 0.6 undecidable manual S 108 61.8936 50 -0.42 46
IV.MUCR.HHZ. 2023-04-23T23:29:11.09 0.6 undecidable manual S 148 52.8027 50 0.43 46
IV.AIO.HHE. 2023-04-23T23:29:08.28 0.6 undecidable manual P 132 79.1652 50 0.6 42
IV.MSRU.HHZ. 2023-04-23T23:29:08.65 0.3 undecidable manual P 104 85.248 50 0.03 71
IV.MCPD.HHZ. 2023-04-23T23:29:07.43 0.6 undecidable manual S 157 39.4272 50 0.32 48
3D.OEM9.HNE. 2023-04-23T23:29:07.00 0.6 undecidable manual S 100 38.3283 50 0.2 50
IV.MPNC.HHN. 2023-04-23T23:29:07.33 0.3 undecidable manual P 116 76.9674 50 -0.01 72
IV.GIB.HHE. 2023-04-23T23:29:06.80 0.3 undecidable manual P 222 68.7756 50 0.73 61
IV.CSLB.HHZ. 2023-04-23T23:29:06.64 0.3 undecidable manual P 218 71.4729 50 0.15 71
IV.IVPL.HHZ. 2023-04-23T23:29:06.41 0.6 undecidable manual S 102 37.629 50 -0.22 50
IV.ILOS.HHN. 2023-04-23T23:29:06.06 0.6 undecidable manual S 90 34.0437 50 0.41 48
IV.IVUG.HHZ. 2023-04-23T23:29:06.41 0.6 undecidable manual S 99 37.7289 50 -0.24 49
IV.IVCR.HHZ. 2023-04-23T23:29:05.44 0.6 undecidable manual S 97 35.3424 50 -0.58 46
IV.MILZ.HHN. 2023-04-23T23:29:05.10 0.3 undecidable manual P 108 61.8936 50 0.09 73
IV.IVGP.HHN. 2023-04-23T23:29:05.40 0.6 undecidable manual S 99 35.5422 50 -0.67 44
IV.IVLT.HHN. 2023-04-23T23:29:05.07 0.6 undecidable manual S 100 34.5432 50 -0.71 43
3D.OEM8.HHN. 2023-04-23T23:29:04.59 0.6 undecidable manual S 86 31.3464 50 -0.35 49
IV.LIBRI.HHE. 2023-04-23T23:29:03.57 0.3 undecidable manual P 141 51.8037 50 0.11 74
IV.MUCR.HHZ. 2023-04-23T23:29:03.13 0.3 undecidable manual P 148 52.8027 50 -0.48 69
3D.OEM9.HNE. 2023-04-23T23:29:02.34 0.3 undecidable manual P 100 38.3283 50 0.96 58
IV.MSFR.HHZ. 2023-04-23T23:29:02.06 0.3 undecidable manual P 176 46.0206 50 -0.51 69
IV.ILOS.HHN. 2023-04-23T23:29:01.16 0.3 undecidable manual P 90 34.0437 50 0.44 72
IV.IVUG.HHZ. 2023-04-23T23:29:01.74 0.3 undecidable manual P 99 37.7289 50 0.45 71
IV.IVCR.HHZ. 2023-04-23T23:29:01.08 0.3 undecidable manual P 97 35.3424 50 0.15 76
IV.IACL.HHZ. 2023-04-23T23:29:01.40 0.6 undecidable manual S 298 19.869 118 -0.37 50
IV.IVPL.HHZ. 2023-04-23T23:29:01.47 0.1 undecidable manual P 102 37.629 50 0.19 100
IV.IVGP.HHN. 2023-04-23T23:29:00.74 0.3 undecidable manual P 99 35.5422 50 -0.22 75
3D.OEM8.HHN. 2023-04-23T23:29:00.28 0.3 undecidable manual P 86 31.3464 50 -0.03 78
IV.IVLT.HHN. 2023-04-23T23:29:00.87 0.3 undecidable manual P 100 34.5432 50 0.07 77
IV.MCPD.HHZ. 2023-04-23T23:29:00.86 0.1 undecidable manual P 157 39.4272 50 -0.7 86
3D.OEM4.HHN. 2023-04-23T23:29:00.83 0.3 undecidable manual P 97 33.744 50 0.15 76
IV.IFIL.HHZ. 2023-04-23T23:28:59.79 0.6 undecidable manual S 7 12.9759 129 0.04 54
IV.IACL.HHZ. 2023-04-23T23:28:58.12 0.1 undecidable manual P 298 19.869 118 -0.36 100
IV.IFIL.HHZ. 2023-04-23T23:28:57.56 0.3 undecidable manual P 7 12.9759 129 0.25 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHN. ML:1.6 0.0004345436 0.0768 AML other m 2023-04-23T23:29:00.78
IV.IACL.HHE. ML:1.4 0.0001855 0.18 AML other m 2023-04-23T23:29:01.58
IV.IFIL.HHE. ML:2.0 0.0010522597499999999 0.2304 AML other m 2023-04-23T23:29:02.36
IV.IACL.HHN. ML:1.3 0.00014000000000000001 0.28 AML other m 2023-04-23T23:29:06.37
IV.MCPD.HHE. ML:0.6 0.0000144 0.7 AML other m 2023-04-23T23:29:09.98
IV.MCPD.HHN. ML:0.9 0.0000242 0.3 AML other m 2023-04-23T23:29:09.87
IV.IVPL.HHE. ML:1.2 0.00005555 0.72 AML other m 2023-04-23T23:29:11.53
IV.IVPL.HHN. ML:1.1 0.000046127424999999997 0.2816 AML other m 2023-04-23T23:29:12.65
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