Earthquake with magnitude of ML 1.1 on date 29-10-2020 and time 09:28:54 (UTC) in region 6 km S San Vito Lo Capo (TP)

A magnitude ML 1.1 earthquake occured in region: 6 km S San Vito Lo Capo (TP), on

  • 29-10-2020 09:28:54 (UTC)
  • 29-10-2020 10:28:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.1210, 12.7280 at 9 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
San Vito Lo Capo TP 6 4654 4654
Custonaci TP 7 5566 10220
Buseto Palizzolo TP 12 2957 13177
Valderice TP 13 12151 25328
Erice TP 15 28291 53619
Castellammare del Golfo TP 17 15394 69013

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Trapani (68759 inhabitants)
44 Km NE of Marsala (83194 inhabitants)
54 Km N of Mazara del Vallo (51718 inhabitants)
56 Km W of Palermo (674435 inhabitants)
69 Km W of Bagheria (55387 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 1.1 2020-10-29
09:28:54
38.1212 12.7277 9 2021-02-26
14:56:05
Bollettino Sismico Italiano INGV 84693721
Reviewed
Rev100
ML 1.5 2020-10-29
09:28:54
38.1303 12.7317 9 2020-10-29
09:40:28
Sala Sismica INGV-Roma 84234541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-29 09:28:54 ± 0.22
Latitude 38.1212 ± 0.0108
Longitude 12.7277 ± 0.0080
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84693721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1215
Semi-minor axis of confidence ellipse (meter) 455
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84693721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 11:37:18

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 84234541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-29 09:40:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LEVAN.EHZ. 2020-10-29T09:29:07.16 0.6 undecidable manual S 247 36.3414 50 -0.21 48
IV.MBFT.HNZ. 2020-10-29T09:29:05.02 0.6 undecidable manual S 134 27.6501 108 0.09 51
X3.T1581.EHZ. 2020-10-29T09:29:05.76 0.6 undecidable manual S 187 29.9478 50 0.11 50
IV.MTGR.HHZ. 2020-10-29T09:29:04.05 0.3 undecidable manual S 174 25.4523 110 -0.14 75
X3.T1581.EHZ. 2020-10-29T09:29:01.21 0.1 undecidable manual P 187 29.9478 50 0.14 100
IV.LEVAN.EHZ. 2020-10-29T09:29:01.98 0.1 undecidable manual P 247 36.3414 50 -0.08 100
IV.ERC.EHZ. 2020-10-29T09:29:00.84 0.6 undecidable manual S 233 15.3735 121 -0.19 50
IV.MTGR.HHZ. 2020-10-29T09:29:00.40 0.1 undecidable manual P 174 25.4523 110 0.17 100
IV.MBFT.HNZ. 2020-10-29T09:29:00.31 0.3 undecidable manual P 134 27.6501 108 -0.34 72
IV.ERC.EHZ. 2020-10-29T09:28:58.64 0.1 undecidable manual P 233 15.3735 121 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ERC.EHN. ML:1.3 0.0001939556 0.48 AML other m 2020-10-29T09:29:00.93
IV.ERC.EHE. ML:1.2 0.00014685215000000002 0.1792 AML other m 2020-10-29T09:29:01.62
IV.MTGR.HHN. ML:1.1 0.00006796345500000001 0.4992 AML other m 2020-10-29T09:29:04.56
IV.MTGR.HHE. ML:0.6 0.000027188070000000003 0.3392 AML other m 2020-10-29T09:29:04.56
IV.LEVAN.EHE. ML:1.0 0.000034585755 1.1968 AML other m 2020-10-29T09:29:08.08
IV.LEVAN.EHN. ML:1.4 0.00009268093 1.4976 AML other m 2020-10-29T09:29:08.39
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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