Earthquake with magnitude of ML 2.4 on date 16-10-2020 and time 11:28:30 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 16-10-2020 11:28:30 (UTC)
  • 16-10-2020 13:28:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5340, 12.4980 at 16 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
57 Km N of Trapani (68759 inhabitants)
82 Km N of Marsala (83194 inhabitants)
89 Km NW of Palermo (674435 inhabitants)
98 Km N of Mazara del Vallo (51718 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 2.4 2020-10-16
11:28:30
38.5338 12.4975 16 2021-02-26
14:56:11
Bollettino Sismico Italiano INGV 85492681
Reviewed
Rev100
ML 2.6 2020-10-16
11:28:31
38.5457 12.4948 10 2020-10-16
11:54:44
Sala Sismica INGV-Roma 83822051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-16 11:28:30 ± 0.31
Latitude 38.5338 ± 0.0135
Longitude 12.4975 ± 0.0276
Depth (km) 16 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85492681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1872
Semi-minor axis of confidence ellipse (meter) 1758
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 1870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.60623
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 83822051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-16 11:54:44

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 85492681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 01:49:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.CSG3.HNZ.01 2020-10-16T11:30:14.11 3.0 undecidable manual Sg 17.9 0
IV.ARRO.EHZ. 2020-10-16T11:30:12.49 3.0 undecidable manual Sn -4.69 0
IV.PTRJ.HNZ. 2020-10-16T11:30:01.30 3.0 undecidable manual Sn 4.79 0
IV.MTMR.HNZ. 2020-10-16T11:29:52.94 3.0 undecidable manual Sn 0.65 0
IV.PE3.EHZ. 2020-10-16T11:29:51.12 3.0 undecidable manual Pn 4.78 0
IV.FOSV.EHZ. 2020-10-16T11:29:41.22 3.0 undecidable manual Pn 0.37 0
IV.ARCI.HHZ. 2020-10-16T11:29:39.30 3.0 undecidable manual Pn 3.41 0
MN.VSL.HHZ. 2020-10-16T11:29:12.75 0.3 undecidable manual P 293 289.2882 54 -0.37 23
IV.CRJA.HHZ. 2020-10-16T11:28:58.77 0.6 undecidable manual S 151 92.4408 93 0.65 42
X3.T1574.HHE. 2020-10-16T11:28:56.18 0.6 undecidable manual S 160 81.7515 94 0.91 39
X3.T1581.EHE. 2020-10-16T11:28:54.64 0.6 undecidable manual S 168 77.2671 94 0.56 45
IV.MPG.HHE. 2020-10-16T11:28:54.84 0.6 undecidable manual S 119 85.6476 94 -1.46 29
IV.MTGR.HHE. 2020-10-16T11:28:53.00 0.6 undecidable manual S 162 74.6697 94 -0.37 46
IV.MBFT.HHZ. 2020-10-16T11:28:52.69 0.6 undecidable manual S 149 76.368 94 -1.13 34
MN.CLTB.HHE. 2020-10-16T11:28:51.34 0.3 undecidable manual P 149 123.1878 92 -0.02 67
IV.LEVAN.EHZ. 2020-10-16T11:28:49.41 0.6 undecidable manual S 192 61.5939 96 -0.5 45
IV.USI.HHZ. 2020-10-16T11:28:49.98 0.6 undecidable manual S 72 62.1933 96 -0.07 50
IV.CORL.HHZ. 2020-10-16T11:28:48.01 0.3 undecidable manual P 135 99.8223 93 0.24 67
X3.T1582.EHE. 2020-10-16T11:28:47.18 0.3 undecidable manual P 164 90.7425 94 0.81 56
IV.ERC.EHZ. 2020-10-16T11:28:47.91 0.6 undecidable manual S 172 55.5999 96 -0.4 47
IV.CRJA.HHZ. 2020-10-16T11:28:46.70 0.3 undecidable manual P 151 92.4408 93 0.07 70
IV.MARS.EHE. 2020-10-16T11:28:46.74 0.6 undecidable manual P 176 86.8464 94 0.98 35
X3.T1574.HHE. 2020-10-16T11:28:45.64 0.3 undecidable manual P 160 81.7515 94 0.65 61
IV.MBFT.HHZ. 2020-10-16T11:28:44.07 0.1 undecidable manual P 149 76.368 94 -0.08 100
X3.T1581.EHE. 2020-10-16T11:28:44.76 0.3 undecidable manual P 168 77.2671 94 0.47 66
IV.MPG.HHE. 2020-10-16T11:28:44.83 0.3 undecidable manual P 119 85.6476 94 -0.75 64
IV.MTGR.HHE. 2020-10-16T11:28:43.57 0.3 undecidable manual P 162 74.6697 94 -0.32 72
IV.LEVAN.EHZ. 2020-10-16T11:28:41.24 0.1 undecidable manual P 192 61.5939 96 -0.65 89
IV.USI.HHZ. 2020-10-16T11:28:41.92 0.1 undecidable manual P 72 62.1933 96 -0.05 99
IV.ERC.EHZ. 2020-10-16T11:28:39.84 0.3 undecidable manual P 172 55.5999 96 -1.13 55
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LEVAN.EHN. ML:2.2 0.0002701227 0.32 AML other m 2020-10-16T11:28:50.74
IV.USI.HHE. ML:2.8 0.00128813 0.2944 AML other m 2020-10-16T11:28:50.96
IV.LEVAN.EHE. ML:2.2 0.0002678729 0.3584 AML other m 2020-10-16T11:28:50.83
IV.USI.HHN. ML:3.0 0.0019591075 0.2752 AML other m 2020-10-16T11:28:51.04
IV.MBFT.HHE. ML:2.7 0.00073479665 0.5184 AML other m 2020-10-16T11:28:53.25
IV.MBFT.HNE. ML:2.0 0.00014907 0.5376 AML other m 2020-10-16T11:28:53.24
IV.MBFT.HHN. ML:2.4 0.00038064985 0.3776 AML other m 2020-10-16T11:28:53.56
IV.MBFT.HNN. ML:2.0 0.00012897975 1.12 AML other m 2020-10-16T11:28:55.07
IV.CRJA.HHE. ML:2.3 0.00022287305 0.4416 AML other m 2020-10-16T11:28:59.06
IV.CRJA.HHN. ML:2.6 0.00046102264999999996 0.6592 AML other m 2020-10-16T11:28:59.30
IV.CORL.HHE. ML:2.5 0.00028227875000000005 0.3392 AML other m 2020-10-16T11:29:00.67
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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