Earthquake with magnitude of ML 2.1 on date 20-02-2023 and time 03:11:32 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 20-02-2023 02:11:32 (UTC)
  • 20-02-2023 03:11:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6580, 14.1370 at 20 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
84 Km NE of Bagheria (55387 inhabitants)
90 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 2.1 2023-02-20
02:11:32
38.6578 14.1367 20 2024-03-01
17:18:00
Bollettino Sismico Italiano INGV 115839821
Reviewed
Rev100
ML 2.1 2023-02-20
02:11:33
38.5872 14.1747 11 2023-02-20
02:31:52
Sala Sismica INGV-Roma 114612571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-20 02:11:32 ± 0.13
Latitude 38.6578 ± 0.0081
Longitude 14.1367 ± 0.0092
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115839821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.54773
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 115839821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-04 07:53:55

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 114612571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-20 02:31:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2023-02-20T02:12:20.85 3.0 undecidable manual Sn 0.63 0
IV.CAFE.HHZ. 2023-02-20T02:12:05.34 3.0 undecidable manual Sg 4.06 0
IV.HVZN.HHZ. 2023-02-20T02:12:00.12 0.3 undecidable manual P 163 171.7947 54 0.13 54
IV.LIBRI.HHZ. 2023-02-20T02:11:59.99 0.6 undecidable manual S 133 93.8394 96 -0.46 42
IV.HLNI.HHZ. 2023-02-20T02:11:58.28 0.3 undecidable manual P 156 158.8188 54 -0.1 58
IV.USI.HHE. 2023-02-20T02:11:57.36 0.6 undecidable manual S 274 83.0502 97 -0.25 44
IV.CSLB.HHZ. 2023-02-20T02:11:56.26 0.6 undecidable manual S 185 80.1642 98 -0.59 41
IV.MSFR.HHZ. 2023-02-20T02:11:56.07 0.6 undecidable manual S 150 79.7646 98 -0.65 41
IV.PLLN.EHZ. 2023-02-20T02:11:55.65 0.6 undecidable manual S 180 73.7706 98 0.5 43
IV.GIB.HHZ. 2023-02-20T02:11:55.80 0.6 undecidable manual S 187 74.6697 98 0.41 44
IV.CIMI.HHZ. 2023-02-20T02:11:50.11 0.3 undecidable manual P 210 99.123 96 0.52 62
IV.LIBRI.HHZ. 2023-02-20T02:11:48.43 0.1 undecidable manual P 133 93.8394 96 -0.34 87
IV.MUCR.HHZ. 2023-02-20T02:11:48.52 0.1 undecidable manual P 137 93.6396 96 -0.22 89
IV.USI.HHE. 2023-02-20T02:11:47.12 0.1 undecidable manual P 274 83.0502 97 -0.01 93
IV.SOLUN.HHZ. 2023-02-20T02:11:47.10 0.6 undecidable manual P 220 81.8514 98 0.16 46
IV.GIB.HHZ. 2023-02-20T02:11:46.05 0.1 undecidable manual P 187 74.6697 98 0.2 92
IV.MCPD.HHE. 2023-02-20T02:11:46.17 0.3 undecidable manual P 139 78.9654 98 -0.33 67
IV.MPG.HHE. 2023-02-20T02:11:46.98 0.3 undecidable manual P 231 87.1461 97 -0.76 56
IV.PLLN.EHZ. 2023-02-20T02:11:46.18 0.3 undecidable manual P 180 73.7706 98 0.47 65
3D.OEM4.HHN. 2023-02-20T02:11:46.58 0.3 undecidable manual P 111 75.1692 98 0.66 59
IV.CSLB.HHZ. 2023-02-20T02:11:46.58 0.1 undecidable manual P 185 80.1642 98 -0.11 93
IV.IVLT.HHN. 2023-02-20T02:11:46.38 0.3 undecidable manual P 112 76.1682 98 0.3 67
IV.MSFR.HHZ. 2023-02-20T02:11:46.67 0.3 undecidable manual P 150 79.7646 98 0.05 70
IV.IVGP.HHN. 2023-02-20T02:11:46.67 0.3 undecidable manual P 112 77.1672 98 0.44 64
IV.IFIL.HHZ. 2023-02-20T02:11:45.73 0.6 undecidable manual S 105 39.4272 108 -0.47 47
IV.IFIL.HHZ. 2023-02-20T02:11:40.60 0.1 positive manual P 105 39.4272 108 0.06 100
IV.CAFE.HHZ. 2023-02-20T02:11:36.60 3.0 undecidable manual P -0.47 0
IV.GIUL.HHZ. 2023-02-20T02:11:24.78 3.0 undecidable manual P -3.39 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHE. ML:2.9 0.0023799999999999997 0.14 AML other m 2023-02-20T02:11:47.72
IV.IFIL.HHN. ML:2.4 0.0008935 0.24 AML other m 2023-02-20T02:11:48.01
IV.MSFR.HHE. ML:1.4 0.00003365 1.4 AML other m 2023-02-20T02:11:59.92
IV.CSLB.HHE. ML:1.8 0.0000808 0.46 AML other m 2023-02-20T02:11:59.55
IV.CSLB.HHN. ML:1.8 0.00008995 0.6 AML other m 2023-02-20T02:12:00.81
IV.MSFR.HHN. ML:1.6 0.00005715 0.78 AML other m 2023-02-20T02:12:00.35
IV.PLLN.EHE. ML:2.2 0.0002505 0.84 AML other m 2023-02-20T02:12:01.51
IV.LIBRI.HHN. ML:1.8 0.0000626 1 AML other m 2023-02-20T02:12:02.09
IV.PLLN.EHN. ML:2.4 0.000422 0.48 AML other m 2023-02-20T02:12:02.11
IV.LIBRI.HNN. ML:2.1 0.00014000000000000001 0.28 AML other m 2023-02-20T02:12:02.42
IV.GIB.HHN. ML:2.3 0.000315 1.5 AML other m 2023-02-20T02:12:02.89
IV.GIB.HHE. ML:2.3 0.00027100000000000003 1.36 AML other m 2023-02-20T02:12:03.09
IV.LIBRI.HNE. ML:2.1 0.00014649999999999998 1.38 AML other m 2023-02-20T02:12:04.30
IV.LIBRI.HHE. ML:1.9 0.00008895000000000001 1.38 AML other m 2023-02-20T02:12:04.75
IV.MUCR.HHN. ML:2.5 0.00033150000000000003 0.5 AML other m 2023-02-20T02:12:05.76
IV.MUCR.HHE. ML:2.2 0.00016199999999999998 0.8 AML other m 2023-02-20T02:12:06.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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