Earthquake with magnitude of ML 2.0 on date 19-01-2021 and time 21:17:35 (UTC) in region Costa Siciliana nord occidentale (Trapani)

A magnitude ML 2.0 earthquake occured in region: Costa Siciliana nord occidentale (Trapani), on

  • 19-01-2021 21:17:35 (UTC)
  • 19-01-2021 22:17:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.2830, 12.9190 at 5 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
43 Km W of Palermo (674435 inhabitants)
46 Km NE of Trapani (68759 inhabitants)
57 Km W of Bagheria (55387 inhabitants)
68 Km NE of Marsala (83194 inhabitants)
76 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 2.0 2021-01-19
21:17:35
38.2833 12.9187 5 2021-07-12
16:55:08
Bollettino Sismico Italiano INGV 89367941
Reviewed
Rev100
ML 2.1 2021-01-19
21:17:35
38.2925 12.9153 4 2021-01-19
21:31:24
Sala Sismica INGV-Roma 86384431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-19 21:17:35 ± 0.27
Latitude 38.2833 ± 0.0126
Longitude 12.9187 ± 0.0103
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89367941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1318
Semi-minor axis of confidence ellipse (meter) 763
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 158
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.33815
Epicentral distance of station farthest from the epicenter (degree) 1.00544
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:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 89367941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 18:16:08

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 86384431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-19 21:31:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LEVAN.EHE. 2021-01-19T21:17:55.52 0.3 undecidable manual S 237 59.5959 50 0.07 97
IV.PLLN.EHN. 2021-01-19T21:17:55.81 1.0 undecidable manual P 106 111.5994 50 0.65 25
IV.GIB.HHE. 2021-01-19T21:17:54.06 1.0 undecidable manual P 108 101.9202 50 0.39 28
IV.USI.HHZ. 2021-01-19T21:17:53.84 0.6 undecidable manual S 26 52.2033 50 0.34 62
IV.MTGR.HHZ. 2021-01-19T21:17:51.34 0.3 undecidable manual S 198 45.4212 96 -0.31 95
IV.ERC.EHE. 2021-01-19T21:17:50.06 0.3 undecidable manual S 227 39.7269 97 0.38 94
IV.MPG.HHZ. 2021-01-19T21:17:50.39 0.6 undecidable manual S 109 40.7259 97 0.35 63
IV.MBFT.HHZ. 2021-01-19T21:17:49.78 0.3 undecidable manual S 175 37.5291 98 0.86 80
IV.SOLUN.HHZ. 2021-01-19T21:17:46.34 0.6 undecidable manual P 111 57.5979 50 -0.49 60
IV.USI.HHZ. 2021-01-19T21:17:46.52 0.6 undecidable manual P 26 52.2033 50 0.51 60
IV.LEVAN.EHE. 2021-01-19T21:17:46.98 0.3 undecidable manual P 237 59.5959 50 -0.17 95
IV.CORL.HHZ. 2021-01-19T21:17:45.91 0.3 undecidable manual P 142 54.7008 50 -0.49 90
IV.MTGR.HHZ. 2021-01-19T21:17:44.56 0.6 undecidable manual P 198 45.4212 96 -0.38 62
IV.MBFT.HHZ. 2021-01-19T21:17:43.50 0.3 undecidable manual P 175 37.5291 98 0.13 100
IV.ERC.EHE. 2021-01-19T21:17:43.48 0.3 undecidable manual P 227 39.7269 97 -0.33 96
IV.MPG.HHZ. 2021-01-19T21:17:43.39 0.3 undecidable manual P 109 40.7259 97 -0.62 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MBFT.HHE. ML:2.0 0.00033891255 0.3456 AML other m 2021-01-19T21:17:50.32
IV.MPG.HHN. ML:1.9 0.00027 0.28 AML other m 2021-01-19T21:17:50.83
IV.MBFT.HHN. ML:1.9 0.0002911615 0.448 AML other m 2021-01-19T21:17:50.98
IV.MTGR.HHE. ML:1.6 0.00012181199500000001 0.4608 AML other m 2021-01-19T21:17:51.83
IV.MPG.HHE. ML:1.8 0.000237 0.64 AML other m 2021-01-19T21:17:52.37
IV.MTGR.HHN. ML:1.9 0.00022899999999999998 0.32 AML other m 2021-01-19T21:17:54.81
IV.CORL.HHN. ML:2.1 0.00027 1.16 AML other m 2021-01-19T21:17:57.16
IV.USI.HHE. ML:2.1 0.000287 0.26 AML other m 2021-01-19T21:17:57.92
IV.USI.HHN. ML:2.6 0.0010601072 0.2944 AML other m 2021-01-19T21:17:57.98
IV.SOLUN.HHE. ML:2.2 0.000383 1.22 AML other m 2021-01-19T21:17:58.30
IV.CORL.HHE. ML:2.2 0.00041749999999999996 0.34 AML other m 2021-01-19T21:17:59.21
IV.SOLUN.HHN. ML:2.2 0.00039150000000000003 0.34 AML other m 2021-01-19T21:18:00.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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