Earthquake with magnitude of ML 1.4 on date 14-03-2018 and time 00:38:45 (Italy) in region 6 km NW Menfi (AG)

A magnitude ML 1.4 earthquake occured in region: 6 km NW Menfi (AG), on

  • 13-03-2018 23:38:45 (UTC)
  • 14-03-2018 00:38:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.63, 12.91 at 11 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
Menfi AG 6 12592 12592
Partanna TP 11 10607 23199
Montevago AG 11 3006 26205
Castelvetrano TP 12 31806 58011
Santa Margherita di Belice AG 13 6363 64374
Campobello di Mazara TP 14 11956 76330
Santa Ninfa TP 17 5043 81373
Salaparuta TP 17 1696 83069
Sambuca di Sicilia AG 18 5877 88946
Poggioreale TP 19 1494 90440

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Mazara del Vallo (51718 inhabitants)
46 Km E of Marsala (83194 inhabitants)
56 Km SE of Trapani (68759 inhabitants)
68 Km SW of Palermo (674435 inhabitants)
70 Km NW of Agrigento (59770 inhabitants)
73 Km SW 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
Rev 1000 ML 1.4 2018-03-13
23:38:45
37.63 12.91 11 2019-04-24
14:49:36
Bollettino Sismico Italiano INGV 57846271
Rev 100 ML 1.4 2018-03-13
23:38:45
37.63 12.9 11 2018-03-13
23:48:20
Sala Sismica INGV-Roma 54583891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-13 23:38:45 ± 0.1
Latitude 37.63 ± 0.01
Longitude 12.91 ± 0.01
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57846271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 753
Semi-minor axis of confidence ellipse (meter) 436
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 750
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.41279
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 57846271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-06-15 15:16:13

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 54583891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-13 23:48:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VULT.HHZ. 2018-03-13T23:39:43.61 3.0 undecidable manual Pn 2.8 0
IV.LPDG.HHZ. 2018-03-13T23:39:26.15 3.0 undecidable manual Sg -0.02 0
IV.JOPP.HHZ. 2018-03-13T23:39:25.92 3.0 undecidable manual Pg 6.88 0
IV.MBFT.HHZ. 2018-03-13T23:38:57.20 0.3 undecidable manual S 7 0.3211 50 -0.18 69
MN.CLTB.HHZ. 2018-03-13T23:38:55.40 0.1 undecidable manual S 101 0.25 50 0.13 96
IV.CRJA.HHZ. 2018-03-13T23:38:53.60 0.3 undecidable manual S 24 0.1916 50 0.08 73
IV.CORL.HHE. 2018-03-13T23:38:53.82 0.1 undecidable manual P 49 0.4128 50 -0.04 93
IV.MARS.EHE. 2018-03-13T23:38:51.84 0.1 undecidable manual P 295 0.2977 50 -0.05 94
MN.CLTB.HHZ. 2018-03-13T23:38:51.07 0.1 undecidable manual P 101 0.25 50 -0.01 97
IV.CAVT.HHZ. 2018-03-13T23:38:51.80 0.1 undecidable manual S 294 0.1295 127 0.16 96
IV.MBFT.HHZ. 2018-03-13T23:38:51.89 1.0 undecidable manual P 7 0.3211 50 -0.41 22
IV.CRJA.HHZ. 2018-03-13T23:38:50.48 0.1 positive manual P 24 0.1916 50 0.4 91
IV.MMGO.HHZ. 2018-03-13T23:38:49.60 0.3 undecidable manual S 58 0.0665 146 -0.32 74
IV.MFNL.HHZ. 2018-03-13T23:38:49.87 0.1 undecidable manual P 5 0.1646 50 0.25 93
IV.CAVT.HHZ. 2018-03-13T23:38:48.74 0.1 undecidable manual P 294 0.1295 127 -0.24 96
IV.MMGO.HHZ. 2018-03-13T23:38:47.96 0.1 positive manual P 58 0.0665 146 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMGO.HHE. ML:0 0.00064970375 0.192 AML other m 2018-03-13T23:38:49.80
IV.MMGO.HHN. ML:0 0.00047109755 1.936 AML other m 2018-03-13T23:38:50.03
IV.CRJA.HHN. ML:0 0.000161210995 0.128 AML other m 2018-03-13T23:38:50.62
IV.CAVT.HHN. ML:0 0.0003724808 1.8976 AML other m 2018-03-13T23:38:51.04
IV.CRJA.HHE. ML:0 0.0002066454 1.6288 AML other m 2018-03-13T23:38:55.10
IV.CAVT.HHE. ML:0 0.00038640885 0.1408 AML other m 2018-03-13T23:38:52.08
IV.MFNL.HHE. ML:1 7.700532E-5 0.3328 AML other m 2018-03-13T23:39:01.28
IV.MFNL.HHN. ML:1 7.054846E-5 0.2816 AML other m 2018-03-13T23:39:02.60
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download