Earthquake with magnitude of ML 2.3 on date 11-11-2021 and time 14:44:11 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 11-11-2021 14:44:11 (UTC)
  • 11-11-2021 15:44:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.5310, 12.8190 at 28 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
63 Km NE of Trapani (68759 inhabitants)
66 Km NW of Palermo (674435 inhabitants)
79 Km NW of Bagheria (55387 inhabitants)
88 Km NE of Marsala (83194 inhabitants)
100 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 2.3 2021-11-11
14:44:11
38.5313 12.8188 28 2022-03-30
13:04:36
Bollettino Sismico Italiano INGV 100766941
Reviewed
Rev100
ML 2.3 2021-11-11
14:44:12
38.5118 12.8235 10 2021-11-11
14:57:44
Sala Sismica INGV-Roma 97398151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-11 14:44:11 ± 0.27
Latitude 38.5313 ± 0.0153
Longitude 12.8188 ± 0.0149
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100766941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1753
Semi-minor axis of confidence ellipse (meter) 355
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 1750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.33185
Epicentral distance of station farthest from the epicenter (degree) 1.13944
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 100766941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-17 16:15:38

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 97398151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-11 14:57:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOLUN.HHZ. 2021-11-11T14:44:35.87 0.3 undecidable manual S 128 78.9654 104 -0.11 95
IV.LEVAN.EHZ. 2021-11-11T14:44:34.50 0.3 undecidable manual S 215 72.6717 105 0.14 94
IV.MTGR.HHZ. 2021-11-11T14:44:34.40 0.3 undecidable manual S 184 70.9734 106 0.49 87
IV.MBFT.HHZ. 2021-11-11T14:44:33.13 0.3 undecidable manual S 170 65.9895 107 0.5 87
IV.CSLB.HHZ. 2021-11-11T14:44:32.51 0.3 undecidable manual P 121 126.4734 54 -0.26 83
IV.MPG.HHZ. 2021-11-11T14:44:31.06 0.3 undecidable manual S 131 62.3931 108 -0.68 85
IV.SCIAC.HHZ. 2021-11-11T14:44:31.60 0.3 undecidable manual P 168 115.2957 99 0.31 83
IV.SCIAR.HNE. 2021-11-11T14:44:30.60 0.6 undecidable manual P 129 104.2179 100 0.99 44
IV.ERC.EHN. 2021-11-11T14:44:30.17 0.3 undecidable manual S 200 58.3971 109 -0.53 90
IV.SOLUN.HHZ. 2021-11-11T14:44:26.08 0.3 undecidable manual P 128 78.9654 104 0.27 90
IV.USI.HHZ. 2021-11-11T14:44:25.93 0.3 undecidable manual S 58 36.8298 121 0.44 96
IV.LEVAN.EHZ. 2021-11-11T14:44:24.98 0.3 undecidable manual P 215 72.6717 105 0.11 95
IV.MTGR.HHZ. 2021-11-11T14:44:24.08 0.3 undecidable manual P 184 70.9734 106 -0.53 87
IV.MBFT.HHZ. 2021-11-11T14:44:23.97 0.3 undecidable manual P 170 65.9895 107 0.1 96
IV.MPG.HHZ. 2021-11-11T14:44:22.57 0.3 undecidable manual P 131 62.3931 108 -0.78 80
IV.ERC.EHN. 2021-11-11T14:44:22.58 0.3 undecidable manual P 200 58.3971 109 -0.18 96
IV.USI.HHZ. 2021-11-11T14:44:19.62 0.3 undecidable manual P 58 36.8298 121 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.6 0.0012990979999999998 0.3456 AML other m 2021-11-11T14:44:27.30
IV.USI.HHN. ML:2.9 0.0024103379999999997 0.2752 AML other m 2021-11-11T14:44:27.72
IV.MPG.HHN. ML:2.2 0.0002700028 0.32 AML other m 2021-11-11T14:44:33.52
IV.MBFT.HHE. ML:2.3 0.00032314575000000004 0.3776 AML other m 2021-11-11T14:44:34.25
IV.MBFT.HHN. ML:2.4 0.0003705482 0.3392 AML other m 2021-11-11T14:44:34.55
IV.MPG.HHE. ML:2.2 0.0002806477 0.1984 AML other m 2021-11-11T14:44:34.70
IV.LEVAN.EHE. ML:2.3 0.00027249515000000004 0.5376 AML other m 2021-11-11T14:44:35.56
IV.MTGR.HHE. ML:2.4 0.000367 1.7 AML other m 2021-11-11T14:44:35.90
IV.MTGR.HHN. ML:2.2 0.00024546405 0.2048 AML other m 2021-11-11T14:44:36.61
IV.LEVAN.EHN. ML:2.1 0.00017232495 0.1792 AML other m 2021-11-11T14:44:37.40
IV.SOLUN.HHE. ML:2.4 0.00029151910000000005 0.5248 AML other m 2021-11-11T14:44:39.44
IV.SOLUN.HHN. ML:2.2 0.00020550395 0.2048 AML other m 2021-11-11T14:44:40.47
IV.SCIAC.HNE. ML:2.3 0.00013906158 0.6464 AML other m 2021-11-11T14:44:55.65
IV.SCIAC.HHE. ML:2.2 0.00013164581 0.64 AML other m 2021-11-11T14:44:55.65
IV.CSLB.HHE. ML:1.8 0.0000379081 0.5248 AML other m 2021-11-11T14:44:58.28
IV.SCIAC.HNN. ML:2.3 0.00016082200000000003 0.832 AML other m 2021-11-11T14:44:58.36
IV.SCIAC.HHN. ML:2.4 0.00016892589999999998 0.8384 AML other m 2021-11-11T14:44:58.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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