Earthquake with magnitude of ML 1.6 on date 23-04-2023 and time 22:00:18 (Italy) in region Isole Eolie (Messina)

A magnitude ML 1.6 earthquake occured in region: Isole Eolie (Messina), on

  • 23-04-2023 20:00:18 (UTC)
  • 23-04-2023 22:00:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4350, 14.5660 at 9 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
91 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 1.6 2023-04-23
20:00:18
38.4348 14.5657 9 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117147171
Reviewed
Rev100
ML 1.6 2023-04-23
20:00:19
38.4143 14.5465 4 2023-04-23
20:23:16
Sala Sismica INGV-Roma 116665951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-23 20:00:18 ± 0.09
Latitude 38.4348 ± 0.0081
Longitude 14.5657 ± 0.0057
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117147171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 921
Semi-minor axis of confidence ellipse (meter) 505
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.11246
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116665951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-23 20:23:16

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 117147171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-09 16:11:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRB1.HNZ. 2023-04-23T20:01:38.68 3.0 undecidable manual Sn 1.79 0
IV.MCRV.HHZ. 2023-04-23T20:01:26.74 3.0 undecidable manual Sn -2.57 0
IV.SPS2.HHZ. 2023-04-23T20:00:52.64 3.0 undecidable manual P 4.7 0
IV.AIO.HHZ. 2023-04-23T20:00:43.46 0.3 undecidable manual S 131 77.6667 50 0.82 54
IV.GIB.HHZ. 2023-04-23T20:00:40.97 0.6 undecidable manual S 224 68.1762 50 0.87 36
IV.HLNI.HHZ. 2023-04-23T20:00:39.76 0.3 undecidable manual P 167 123.4875 50 0.1 61
IV.MILZ.HHZ. 2023-04-23T20:00:37.85 0.6 undecidable manual S 107 60.6948 50 -0.25 45
IV.MSFR.HHE. 2023-04-23T20:00:34.06 0.6 undecidable manual S 177 44.5221 50 0.27 46
IV.MSRU.HHZ. 2023-04-23T20:00:33.42 0.3 undecidable manual P 103 84.1491 50 -0.18 65
IV.GALF.HNZ. 2023-04-23T20:00:33.94 0.6 undecidable manual P 180 80.364 50 0.92 34
IV.MPNC.HHN. 2023-04-23T20:00:32.08 0.3 undecidable manual P 115 75.6687 50 -0.21 66
IV.AIO.HHZ. 2023-04-23T20:00:32.78 0.3 undecidable manual P 131 77.6667 50 0.18 66
IV.ILOS.HHZ. 2023-04-23T20:00:31.34 0.6 undecidable manual S 88 33.2445 50 0.55 44
IV.GIB.HHZ. 2023-04-23T20:00:31.55 0.3 undecidable manual P 224 68.1762 50 0.41 64
IV.IVPL.HHZ. 2023-04-23T20:00:31.64 0.6 undecidable manual S 100 36.6411 50 -0.04 49
IV.CSLB.HHZ. 2023-04-23T20:00:31.04 0.3 undecidable manual P 219 70.7736 50 -0.5 62
IV.IVUG.HHE. 2023-04-23T20:00:31.41 0.6 undecidable manual S 97 36.8298 50 -0.32 46
IV.MCPD.HHZ. 2023-04-23T20:00:31.73 0.3 undecidable manual S 158 37.8288 50 -0.27 70
IV.IVLT.HHE. 2023-04-23T20:00:30.06 0.6 undecidable manual S 97 33.5442 50 -0.8 39
IV.IVCR.HHZ. 2023-04-23T20:00:30.55 0.6 undecidable manual S 95 34.4433 50 -0.56 43
IV.IVGP.HHE. 2023-04-23T20:00:30.78 0.6 undecidable manual S 97 34.6431 50 -0.36 46
3D.OEM8.HHE. 2023-04-23T20:00:29.67 0.6 undecidable manual S 83 30.747 106 -0.29 47
IV.MILZ.HHZ. 2023-04-23T20:00:29.70 0.3 undecidable manual P 107 60.6948 50 -0.28 67
IV.MUCR.HHZ. 2023-04-23T20:00:28.29 0.1 undecidable manual P 148 51.1155 50 -0.22 91
IV.MSFR.HHE. 2023-04-23T20:00:26.98 0.1 undecidable manual P 177 44.5221 50 -0.52 86
IV.IVGP.HHE. 2023-04-23T20:00:26.20 0.3 undecidable manual P 97 34.6431 50 0.24 70
3D.OEM9.HHE. 2023-04-23T20:00:26.54 0.3 undecidable manual P 98 37.3293 50 0.15 71
IV.IACL.HHZ. 2023-04-23T20:00:26.56 0.3 undecidable manual S 301 21.2676 112 -0.29 71
IV.IVCR.HHZ. 2023-04-23T20:00:26.13 0.1 undecidable manual P 95 34.4433 50 0.19 95
IV.ILOS.HHZ. 2023-04-23T20:00:26.13 0.3 undecidable manual P 88 33.2445 50 0.37 69
IV.IVPL.HHZ. 2023-04-23T20:00:26.49 0.3 undecidable manual P 100 36.6411 50 0.22 70
IV.IVUG.HHE. 2023-04-23T20:00:26.45 0.3 undecidable manual P 97 36.8298 50 0.15 71
IV.MCPD.HHZ. 2023-04-23T20:00:25.94 0.3 undecidable manual P 158 37.8288 50 -0.52 66
IV.IVLT.HHE. 2023-04-23T20:00:25.89 0.1 undecidable manual P 97 33.5442 50 0.09 97
3D.OEM8.HHE. 2023-04-23T20:00:25.39 0.1 undecidable manual P 83 30.747 106 0.11 97
3D.OEM4.HHE. 2023-04-23T20:00:25.97 0.3 undecidable manual P 95 32.8449 105 0.28 70
IV.IFIL.HHZ. 2023-04-23T20:00:24.88 0.3 undecidable manual S 3 14.3745 121 0.19 74
IV.IACL.HHZ. 2023-04-23T20:00:23.26 0.1 undecidable manual P 301 21.2676 112 -0.23 96
IV.IFIL.HHZ. 2023-04-23T20:00:22.34 0.1 undecidable manual P 3 14.3745 121 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHE. ML:2.5 0.003405 0.26 AML other m 2023-04-23T20:00:26.09
IV.IACL.HHE. ML:2.0 0.000675 0.22 AML other m 2023-04-23T20:00:26.81
IV.IACL.HHN. ML:1.8 0.000526 0.48 AML other m 2023-04-23T20:00:27.60
IV.IFIL.HHN. ML:2.2 0.0015750000000000002 1.42 AML other m 2023-04-23T20:00:28.26
IV.MCPD.HHN. ML:1.4 0.0000842 0.3 AML other m 2023-04-23T20:00:34.93
IV.MCPD.HHE. ML:1.1 0.0000483 0.16 AML other m 2023-04-23T20:00:35.12
IV.IVPL.HHN. ML:1.6 0.00017549999999999998 0.28 AML other m 2023-04-23T20:00:37.73
IV.IVPL.HHE. ML:1.7 0.000186 0.38 AML other m 2023-04-23T20:00:38.23
IV.ILOS.HHE. ML:1.5 0.00012790000000000002 0.74 AML other m 2023-04-23T20:00:38.68
IV.ILOS.HHN. ML:1.8 0.0003115 0.48 AML other m 2023-04-23T20:00:38.85
IV.MUCR.HHN. ML:1.8 0.00014600000000000003 0.42 AML other m 2023-04-23T20:00:38.63
IV.MUCR.HHE. ML:1.5 0.00008365 0.98 AML other m 2023-04-23T20:00:39.68
IV.GIB.HHN. ML:1.8 0.0001215 0.44 AML other m 2023-04-23T20:00:42.18
IV.CSLB.HHN. ML:1.3 0.000029150000000000004 0.44 AML other m 2023-04-23T20:00:42.72
IV.GIB.HHE. ML:1.6 0.00006359999999999999 0.44 AML other m 2023-04-23T20:00:45.24
IV.CSLB.HHE. ML:1.3 0.000028049999999999997 0.42 AML other m 2023-04-23T20:00:45.42
IV.AIO.HHN. ML:1.6 0.00006735 0.22 AML other m 2023-04-23T20:00:46.80
IV.AIO.HHE. ML:1.5 0.000043450000000000006 1.12 AML other m 2023-04-23T20:00:48.77
IV.MSRU.HHE. ML:1.5 0.000043650000000000004 1.08 AML other m 2023-04-23T20:00:48.80
IV.MSRU.HHN. ML:1.6 0.0000523 1.16 AML other m 2023-04-23T20:00:50.73
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