Earthquake with magnitude of ML 1.4 on date 30-09-2020 and time 01:53:46 (UTC) in region Costa Siciliana nord occidentale (Trapani)

A magnitude ML 1.4 earthquake occured in region: Costa Siciliana nord occidentale (Trapani), on

  • 30-09-2020 01:53:46 (UTC)
  • 30-09-2020 03:53:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.3010, 12.8990 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Palermo (674435 inhabitants)
46 Km NE of Trapani (68759 inhabitants)
59 Km W of Bagheria (55387 inhabitants)
69 Km NE of Marsala (83194 inhabitants)
77 Km NE 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 1.4 2020-09-30
01:53:46
38.3012 12.8992 10 2021-02-26
14:55:57
Bollettino Sismico Italiano INGV 83435211
Reviewed
Rev100
ML 1.4 2020-09-30
01:53:46
38.2875 12.9098 3 2020-09-30
02:05:21
Sala Sismica INGV-Roma 83374271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-30 01:53:46 ± 0.22
Latitude 38.3012 ± 0.0117
Longitude 12.8992 ± 0.0149
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83435211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1570
Semi-minor axis of confidence ellipse (meter) 960
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.35703
Epicentral distance of station farthest from the epicenter (degree) 0.98116
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 83435211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 11:27:01

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 83374271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-30 02:05:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRJA.HHE. 2020-09-30T01:54:05.99 0.6 undecidable manual S 171 56.1993 50 1.33 41
IV.CSLB.HHZ. 2020-09-30T01:54:05.16 0.3 undecidable manual P 111 108.9132 50 -0.15 87
IV.USI.HHZ. 2020-09-30T01:54:04.22 0.6 undecidable manual S 28 51.2154 50 0.87 51
X3.T1581.EHE. 2020-09-30T01:54:04.52 0.6 undecidable manual S 200 53.0025 50 0.7 55
IV.GIB.HHE. 2020-09-30T01:54:04.64 0.6 undecidable manual P 109 104.2179 50 0.05 59
X3.T1573.HHZ. 2020-09-30T01:54:03.36 0.6 undecidable manual S 177 48.7179 50 0.69 56
IV.MTGR.HHZ. 2020-09-30T01:54:02.08 0.6 undecidable manual S 195 46.8198 50 -0.1 66
IV.MMGO.HHZ. 2020-09-30T01:54:00.14 0.3 undecidable manual P 175 71.2731 50 0.63 82
IV.MPG.HHE. 2020-09-30T01:54:00.96 0.3 undecidable manual S 111 43.0236 50 -0.2 97
IV.SCIAR.HNE. 2020-09-30T01:54:00.95 0.3 undecidable manual P 118 84.249 50 -0.57 82
IV.MBFT.HHZ. 2020-09-30T01:54:00.09 0.6 undecidable manual S 173 39.627 50 -0.17 66
IV.MARS.EHE. 2020-09-30T01:53:59.22 0.3 undecidable manual P 206 67.4769 50 0.3 91
IV.ERC.EHE. 2020-09-30T01:53:59.70 0.6 undecidable manual S 223 39.9267 50 -0.63 58
X3.T1574.HHE. 2020-09-30T01:53:57.03 0.3 undecidable manual P 188 51.4152 50 0.58 87
IV.USI.HHZ. 2020-09-30T01:53:57.11 0.6 undecidable manual P 28 51.2154 50 0.68 56
IV.CRJA.HHE. 2020-09-30T01:53:57.57 0.3 undecidable manual P 171 56.1993 50 0.38 91
IV.CORL.HHE. 2020-09-30T01:53:56.73 0.6 undecidable manual P 142 57.2982 50 -0.63 56
IV.LEVAN.EHE. 2020-09-30T01:53:56.90 0.6 undecidable manual P 235 59.2962 50 -0.76 53
X3.T1581.EHE. 2020-09-30T01:53:56.14 0.6 undecidable manual P 200 53.0025 50 -0.56 58
X3.T1573.HHZ. 2020-09-30T01:53:56.03 0.3 undecidable manual P 177 48.7179 50 0 100
IV.MTGR.HHZ. 2020-09-30T01:53:55.43 0.3 undecidable manual P 195 46.8198 50 -0.32 94
IV.MPG.HHE. 2020-09-30T01:53:54.31 0.3 undecidable manual P 111 43.0236 50 -0.85 79
IV.MBFT.HHZ. 2020-09-30T01:53:54.62 0.6 undecidable manual P 173 39.627 50 -0.02 68
IV.ERC.EHE. 2020-09-30T01:53:53.96 0.6 undecidable manual P 223 39.9267 50 -0.72 56
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:1.5 0.000079033595 0.7808 AML other m 2020-09-30T01:53:59.94
IV.MBFT.HHE. ML:1.3 0.00006950000000000001 1.42 AML other m 2020-09-30T01:54:01.89
IV.MBFT.HHN. ML:1.2 0.000051000000000000006 0.54 AML other m 2020-09-30T01:54:01.01
IV.MTGR.HHE. ML:1.2 0.00003835 1.1 AML other m 2020-09-30T01:54:02.14
X3.T1573.HNE. ML:1.6 0.00012167639500000001 1.0208 AML other m 2020-09-30T01:54:03.26
IV.MTGR.HHN. ML:1.4 0.0000627 0.5 AML other m 2020-09-30T01:54:04.49
X3.T1573.HHE. ML:1.6 0.00011343167 0.4 AML other m 2020-09-30T01:54:06.26
X3.T1573.HHN. ML:1.5 0.00008638113 1.3392 AML other m 2020-09-30T01:54:11.02
IV.USI.HHN. ML:1.9 0.00020106785 0.1184 AML other m 2020-09-30T01:54:22.54
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