Earthquake with magnitude of ML 1.2 on date 17-04-2023 and time 22:57:15 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 17-04-2023 20:57:15 (UTC)
  • 17-04-2023 22:57:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1980, 15.1580 at 11 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Terme Vigliatore ME 7 7395 7395
Barcellona Pozzo di Gotto ME 8 41583 48978
Milazzo ME 8 31646 80624
Merì ME 8 2338 82962
Rodì Milici ME 10 2056 85018
San Filippo del Mela ME 11 7115 92133
Furnari ME 11 3784 95917
Falcone ME 11 2808 98725
Oliveri ME 12 2181 100906
Castroreale ME 12 2504 103410
Mazzarrà Sant'Andrea ME 12 1531 104941
Santa Lucia del Mela ME 13 4650 109591
Pace del Mela ME 13 6239 115830
Gualtieri Sicaminò ME 14 1807 117637
Condrò ME 15 493 118130
Tripi ME 17 873 119003
Torregrotta ME 17 7431 126434
Basicò ME 17 612 127046
San Pier Niceto ME 18 2837 129883
Patti ME 18 13431 143314
Venetico ME 18 3911 147225
Valdina ME 19 1355 148580
Roccavaldina ME 19 1133 149713
Spadafora ME 19 5021 154734
Montagnareale ME 20 1615 156349

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Messina (238439 inhabitants)
44 Km W of Reggio di Calabria (183035 inhabitants)
65 Km N of Acireale (52622 inhabitants)
77 Km N of Catania (314555 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 2023-04-17
20:57:15
38.1978 15.1578 11 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117291411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 20:57:15 ± 0.04
Latitude 38.1978 ± 0.0018
Longitude 15.1578 ± 0.0011
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117291411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.42988
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117291411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-12 14:23:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRCB.HHZ. 2023-04-17T20:57:31.14 0.6 undecidable manual S 95 47.7189 90 0.25 46
IV.MCPD.HHZ. 2023-04-17T20:57:28.34 0.6 undecidable manual S 257 38.2284 90 -0.01 49
IV.MUCR.HHZ. 2023-04-17T20:57:26.22 0.6 undecidable manual S 235 30.1476 90 0.02 49
IV.MSRU.HHZ. 2023-04-17T20:57:26.23 0.3 undecidable manual S 76 31.4463 90 -0.31 69
IV.IVGP.HHZ. 2023-04-17T20:57:25.19 0.6 undecidable manual S 322 27.9498 90 -0.42 45
IV.IVUG.HHZ. 2023-04-17T20:57:24.85 0.6 undecidable manual S 326 26.5512 90 -0.39 45
3D.OEM9.HNZ. 2023-04-17T20:57:24.87 0.6 undecidable manual S 325 25.5522 90 -0.12 48
IV.LIBRI.HNZ. 2023-04-17T20:57:24.08 0.6 undecidable manual S 238 23.6541 90 -0.39 47
IV.IVPL.HNZ. 2023-04-17T20:57:24.90 0.6 undecidable manual S 322 25.1526 90 0.04 50
IV.MRCB.HHZ. 2023-04-17T20:57:24.21 0.1 undecidable manual P 95 47.7189 90 -0.25 91
IV.MCPD.HHZ. 2023-04-17T20:57:23.00 0.1 undecidable manual P 257 38.2284 90 0 97
IV.MPNC.HHZ. 2023-04-17T20:57:22.68 0.6 undecidable manual S 108 17.9709 90 -0.26 48
IV.MSRU.HHZ. 2023-04-17T20:57:22.03 0.1 positive manual P 76 31.4463 90 0.08 97
IV.AIO.HHZ. 2023-04-17T20:57:21.23 0.1 undecidable manual P 165 25.9518 90 0.11 97
IV.IVGP.HHZ. 2023-04-17T20:57:21.59 0.1 undecidable manual P 322 27.9498 90 0.17 96
IV.IVUG.HHZ. 2023-04-17T20:57:21.19 0.1 undecidable manual P 326 26.5512 90 -0.02 98
3D.OEM9.HNZ. 2023-04-17T20:57:21.21 0.1 undecidable manual P 325 25.5522 90 0.15 97
IV.MUCR.HHZ. 2023-04-17T20:57:21.98 0.1 negative manual P 235 30.1476 90 0.22 94
IV.IVPL.HNZ. 2023-04-17T20:57:21.15 0.1 undecidable manual P 322 25.1526 90 0.16 97
IV.MILZ.HHZ. 2023-04-17T20:57:20.83 0.6 undecidable manual S 38 10.3785 118 -0.13 49
IV.LIBRI.HNZ. 2023-04-17T20:57:20.78 0.1 undecidable manual P 238 23.6541 90 0.02 99
IV.MPNC.HHZ. 2023-04-17T20:57:19.97 0.1 undecidable manual P 108 17.9709 90 0.09 99
IV.MILZ.HHZ. 2023-04-17T20:57:18.88 0.1 undecidable manual P 38 10.3785 118 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:1.5 0.0003715 0.5 AML other m 2023-04-17T20:57:21.01
IV.MILZ.HHE. ML:1.4 0.0003045 0.9 AML other m 2023-04-17T20:57:21.04
IV.AIO.HHE. ML:0.9 0.00004745 1.2 AML other m 2023-04-17T20:57:25.90
IV.AIO.HHN. ML:0.9 0.000045600000000000004 0.48 AML other m 2023-04-17T20:57:26.53
IV.MUCR.HHE. ML:0.9 0.000032501155000000003 0.2816 AML other m 2023-04-17T20:57:26.32
IV.MUCR.HHN. ML:1.4 0.00011325335999999999 0.32 AML other m 2023-04-17T20:57:27.24
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