Earthquake with magnitude of ML 1.4 on date 01-10-2020 and time 06:35:34 (Italy) in region Costa Siciliana nord occidentale (Trapani)

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

  • 01-10-2020 04:35:34 (UTC)
  • 01-10-2020 06:35:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0990, 12.9580 at 3 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
Balestrate PA 7 6436 6436
Trappeto PA 8 3174 9610
Castellammare del Golfo TP 11 15394 25004
Terrasini PA 13 12320 37324
Alcamo TP 13 45307 82631
Cinisi PA 15 12418 95049
Partinico PA 15 32079 127128
Borgetto PA 17 7419 134547
Giardinello PA 17 2337 136884
Montelepre PA 19 6280 143164

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Palermo (674435 inhabitants)
40 Km E of Trapani (68759 inhabitants)
49 Km W of Bagheria (55387 inhabitants)
57 Km NE of Marsala (83194 inhabitants)
59 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 2020-10-01
04:35:34
38.0992 12.9585 3 2021-02-26
14:55:58
Bollettino Sismico Italiano INGV 83651781
Reviewed
Rev100
ML 1.5 2020-10-01
04:35:35
38.0898 12.9767 4 2020-10-01
04:48:37
Sala Sismica INGV-Roma 83407311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-01 04:35:34 ± 0.19
Latitude 38.0992 ± 0.0099
Longitude 12.9585 ± 0.0103
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83651781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1019
Semi-minor axis of confidence ellipse (meter) 803
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
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) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.15288
Epicentral distance of station farthest from the epicenter (degree) 0.63222
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 83651781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-09 15:58:06

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 83407311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 04:48:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.USI.HHE. 2020-10-01T04:35:57.90 1.0 undecidable manual S 16 70.1742 50 -0.04 24
IV.LEVAN.EHE. 2020-10-01T04:35:53.42 1.0 undecidable manual S 258 54.9006 50 -0.42 23
IV.MMGO.HHN. 2020-10-01T04:35:50.89 1.0 undecidable manual S 178 48.5181 93 -0.91 19
IV.USI.HHE. 2020-10-01T04:35:49.01 0.6 undecidable manual P 16 70.1742 50 0.79 38
IV.CORL.HHZ. 2020-10-01T04:35:48.93 1.0 undecidable manual S 127 37.7289 94 0.85 19
IV.MPG.HHE. 2020-10-01T04:35:47.19 1.0 undecidable manual S 79 35.742 95 -0.18 24
IV.CRJA.HHE. 2020-10-01T04:35:46.65 0.6 undecidable manual S 173 33.2445 95 0.14 49
IV.MARS.EHE. 2020-10-01T04:35:45.57 0.6 undecidable manual P 222 51.6039 93 0.29 46
IV.MTGR.HHZ. 2020-10-01T04:35:45.92 0.6 undecidable manual S 217 28.749 96 0.98 38
IV.LEVAN.EHE. 2020-10-01T04:35:45.26 0.3 undecidable manual P 258 54.9006 50 -0.59 65
X3.T1573.HHE. 2020-10-01T04:35:44.12 0.3 undecidable manual S 185 26.3514 96 0 77
IV.MMGO.HHN. 2020-10-01T04:35:44.91 0.6 undecidable manual P 178 48.5181 93 0.24 47
X3.T1582.HNN. 2020-10-01T04:35:43.87 0.6 undecidable manual P 202 42.2244 94 0.46 46
IV.CORL.HHZ. 2020-10-01T04:35:42.76 0.3 undecidable manual P 127 37.7289 94 0.23 72
X3.T1574.HHZ. 2020-10-01T04:35:42.03 0.1 undecidable manual P 203 30.8469 95 0.88 79
IV.MFNL.HHE. 2020-10-01T04:35:42.11 1.0 undecidable manual P 185 34.3434 95 0.27 24
X3.T1581.EHZ. 2020-10-01T04:35:42.58 0.1 undecidable manual P 221 36.1416 95 0.39 94
IV.MPG.HHE. 2020-10-01T04:35:41.87 0.1 undecidable manual P 79 35.742 95 -0.24 96
IV.ERC.EHE. 2020-10-01T04:35:41.27 0.3 undecidable manual P 258 33.1446 95 -0.33 70
IV.CRJA.HHE. 2020-10-01T04:35:41.49 0.1 undecidable manual P 173 33.2445 95 -0.13 99
IV.MBFT.HHE. 2020-10-01T04:35:40.28 0.3 undecidable manual S 181 16.9719 100 -0.63 67
X3.T1573.HHE. 2020-10-01T04:35:40.09 0.1 undecidable manual P 185 26.3514 96 -0.15 100
IV.MTGR.HHZ. 2020-10-01T04:35:40.29 0.1 undecidable manual P 217 28.749 96 -0.43 93
IV.MBFT.HHE. 2020-10-01T04:35:37.98 0.1 undecidable manual P 181 16.9719 100 -0.4 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTGR.HHE. ML:1.1 0.0000626925 0.1792 AML other m 2020-10-01T04:35:47.13
IV.MTGR.HHN. ML:1.3 0.00011184595 0.2208 AML other m 2020-10-01T04:35:49.22
X3.T1574.HHE. ML:1.5 0.00014450790000000003 0.2592 AML other m 2020-10-01T04:35:50.22
X3.T1574.HNE. ML:1.5 0.00015255115 0.4704 AML other m 2020-10-01T04:35:52.10
X3.T1574.HHN. ML:1.4 0.00011251099000000001 0.24 AML other m 2020-10-01T04:35:53.68
X3.T1574.HNN. ML:1.5 0.000159489235 0.7104 AML other m 2020-10-01T04:35:49.58
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download