Earthquake with magnitude of ML 1.0 on date 21-04-2023 and time 00:26:41 (Italy) in region Isole Eolie (Messina)

A magnitude ML 1.0 earthquake occured in region: Isole Eolie (Messina), on

  • 20-04-2023 22:26:41 (UTC)
  • 21-04-2023 00:26:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3550, 14.9090 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lipari ME 13 12753 12753

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of Messina (238439 inhabitants)
70 Km W of Reggio di Calabria (183035 inhabitants)
86 Km N of Acireale (52622 inhabitants)
96 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 1.0 2023-04-20
22:26:41
38.3553 14.909 10 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124871701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-20 22:26:41 ± 0.08
Latitude 38.3553 ± 0.0072
Longitude 14.9090 ± 0.0092
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124871701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 969
Semi-minor axis of confidence ellipse (meter) 640
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.05126
Epicentral distance of station farthest from the epicenter (degree) 0.33455
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 124871701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-26 14:30:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFIL.HHZ. 2023-04-20T22:26:54.08 0.6 undecidable manual S 309 37.1295 50 -0.19 46
IV.MILZ.HHE. 2023-04-20T22:26:52.12 0.6 undecidable manual S 108 29.5482 50 -0.13 47
IV.MCPD.HHZ. 2023-04-20T22:26:52.01 0.6 undecidable manual S 211 30.3474 50 -0.46 44
IV.IFIL.HHZ. 2023-04-20T22:26:49.03 0.3 undecidable manual P 309 37.1295 50 0.1 70
IV.MCPD.HHZ. 2023-04-20T22:26:48.04 0.3 undecidable manual P 211 30.3474 50 0.14 70
IV.MILZ.HHE. 2023-04-20T22:26:47.86 0.3 undecidable manual P 108 29.5482 50 0.09 71
IV.ILOS.HHZ. 2023-04-20T22:26:47.23 0.6 undecidable manual S 19 10.5783 133 0.54 44
IV.LIBRI.HNZ. 2023-04-20T22:26:47.78 0.6 undecidable manual P 177 30.1476 50 -0.09 47
3D.OEM8.HHZ. 2023-04-20T22:26:46.70 0.6 undecidable manual S 3 12.5763 128 -0.52 44
IV.IVPL.HHZ. 2023-04-20T22:26:46.16 0.3 undecidable manual S 69 6.5934 146 0.37 70
3D.OEM4.HHZ. 2023-04-20T22:26:45.99 0.6 undecidable manual S 26 6.6933 146 0.19 48
IV.IVLT.HHZ. 2023-04-20T22:26:45.51 0.6 undecidable manual S 37 5.6943 150 -0.11 49
IV.IVUG.HHZ. 2023-04-20T22:26:45.79 0.3 undecidable manual S 56 8.0808 141 -0.3 70
IV.IVCR.HHZ. 2023-04-20T22:26:45.77 0.6 undecidable manual S 37 7.4814 143 -0.2 48
3D.OEM9.HNZ. 2023-04-20T22:26:45.64 0.6 undecidable manual S 63 7.9809 141 -0.43 46
IV.IVLT.HHZ. 2023-04-20T22:26:44.02 0.1 undecidable manual P 37 5.6943 150 0.08 99
IV.IVUG.HHZ. 2023-04-20T22:26:44.29 0.1 positive manual P 56 8.0808 141 0.08 98
IV.IVCR.HHZ. 2023-04-20T22:26:44.07 0.3 undecidable manual P 37 7.4814 143 -0.08 74
3D.OEM9.HNZ. 2023-04-20T22:26:44.29 0.1 undecidable manual P 63 7.9809 141 0.09 98
IV.IVGP.HHZ. 2023-04-20T22:26:44.99 0.3 undecidable manual S 44 6.3936 147 -0.76 61
3D.OEM4.HHZ. 2023-04-20T22:26:44.17 0.1 undecidable manual P 26 6.6933 146 0.13 98
3D.OEM8.HHZ. 2023-04-20T22:26:44.79 0.1 undecidable manual P 3 12.5763 128 -0.08 98
IV.IVGP.HHZ. 2023-04-20T22:26:44.03 0.1 positive manual P 44 6.3936 147 0.01 100
IV.IVPL.HHZ. 2023-04-20T22:26:44.26 0.1 undecidable manual P 69 6.5934 146 0.22 96
IV.ILOS.HHZ. 2023-04-20T22:26:44.92 0.1 undecidable manual P 19 10.5783 133 0.37 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IVUG.HHN. ML:0.4 0.000041737369999999996 0.1024 AML other m 2023-04-20T22:26:45.89
IV.IVGP.HHE. ML:1.1 0.0001958415 1.936 AML other m 2023-04-20T22:26:46.00
IV.IVGP.HHN. ML:1.0 0.00016734458499999998 0.064 AML other m 2023-04-20T22:26:46.00
IV.IVPL.HNE. ML:0.9 0.000115545685 0.1152 AML other m 2023-04-20T22:26:46.14
IV.IVPL.HHE. ML:1.0 0.0001653217 0.2176 AML other m 2023-04-20T22:26:46.26
IV.IVUG.HHE. ML:0.7 0.00007101994 0.2816 AML other m 2023-04-20T22:26:47.44
IV.ILOS.HNN. ML:1.7 0.00064072535 0.896 AML other m 2023-04-20T22:26:47.17
IV.IVPL.HNN. ML:0.7 0.00008245474999999999 0.1408 AML other m 2023-04-20T22:26:47.63
IV.IVPL.HHN. ML:0.7 0.00008586861999999999 0.128 AML other m 2023-04-20T22:26:47.65
IV.ILOS.HHN. ML:1.4 0.0002844799 0.192 AML other m 2023-04-20T22:26:47.90
IV.ILOS.HHE. ML:1.3 0.0002630215 0.1536 AML other m 2023-04-20T22:26:48.11
IV.ILOS.HNE. ML:0.6 0.0000486217265 0.9888 AML other m 2023-04-20T22:26:49.95
IV.IFIL.HHE. ML:1.7 0.00018950485 0.1664 AML other m 2023-04-20T22:26:55.08
IV.IFIL.HHN. ML:1.4 0.00008552064 0.2432 AML other m 2023-04-20T22:26:56.45
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