Earthquake with magnitude of ML 1.9 on date 31-03-2018 and time 12:16:38 (UTC) in region 6 km SE Marano Lagunare (UD)

A magnitude ML 1.9 earthquake occured in region: 6 km SE Marano Lagunare (UD), on

  • 31-03-2018 12:16:38 (UTC)
  • 31-03-2018 14:16:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.7240, 13.2150 at 7 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
Marano Lagunare UD 6 1844 1844
Lignano Sabbiadoro UD 8 6950 8794
Carlino UD 9 2797 11591
Torviscosa UD 12 2867 14458
San Giorgio di Nogaro UD 12 7572 22030
Muzzana del Turgnano UD 13 2527 24557
Aquileia UD 13 3359 27916
Precenicco UD 13 1479 29395
Terzo d'Aquileia UD 13 2866 32261
Palazzolo dello Stella UD 14 2972 35233
Grado GO 14 8251 43484
Cervignano del Friuli UD 15 13844 57328
Porpetto UD 15 2617 59945
Pocenia UD 16 2536 62481
Fiumicello UD 17 4971 67452
Villa Vicentina UD 17 1384 68836
San Michele al Tagliamento VE 18 11930 80766
Latisana UD 18 13600 94366
Ruda UD 19 2935 97301
Ronchis UD 19 2057 99358
Gonars UD 19 4795 104153
Bagnaria Arsa UD 20 3525 107678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km S of Udine (99169 inhabitants)
44 Km W of Trieste (204420 inhabitants)
50 Km SE of Pordenone (51229 inhabitants)
75 Km E of Venezia (263352 inhabitants)
76 Km E of Treviso (83731 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 1.9 2018-03-31
12:16:38
45.7237 13.2153 7 2019-04-24
14:49:47
Bollettino Sismico Italiano INGV 65702861
Reviewed
Rev100
ML 1.6 2018-03-31
12:16:38
45.7258 13.2078 8 2018-03-31
12:32:03
Sala Sismica INGV-Roma 54995141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-31 12:16:38 ± 0.41
Latitude 45.7237 ± 0.0117
Longitude 13.2153 ± 0.0116
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65702861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1116
Semi-minor axis of confidence ellipse (meter) 716
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.38311
Epicentral distance of station farthest from the epicenter (degree) 1.44071
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.7
Num. used stations 25
Type of magnitude ML
Reference to an origin 65702861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-19 16:50:49

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 54995141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-31 12:32:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.ACOM.HNE. 2018-03-31T12:17:08.05 0.6 undecidable manual S 14 94.239 50 0.86 36
OX.VARN.HNZ. 2018-03-31T12:17:05.93 0.6 undecidable manual S 290 90.8424 50 -0.33 44
OX.CLUD.HHE. 2018-03-31T12:17:04.40 0.6 undecidable manual S 343 85.248 50 -0.39 44
SL.BOJS.BHE. 2018-03-31T12:17:04.50 0.1 undecidable manual P 98 159.9177 50 -0.74 65
IV.CTI.HHN. 2018-03-31T12:17:02.78 0.1 undecidable manual P 287 126.1737 50 2.74 12
IV.PTCC.HHZ. 2018-03-31T12:17:01.58 0.6 undecidable manual S 8 76.5678 50 -0.89 37
IV.TEOL.HHE. 2018-03-31T12:17:00.10 0.1 undecidable manual P 252 126.2736 50 0.04 87
OX.MPRI.HHE. 2018-03-31T12:16:58.53 0.6 undecidable manual S 343 59.9955 50 0.5 45
NI.VINO.HHZ. 2018-03-31T12:16:57.60 0.6 undecidable manual S 4 58.9965 50 -0.17 48
OX.VARN.HNZ. 2018-03-31T12:16:54.66 0.1 undecidable manual P 290 90.8424 50 0.07 93
OX.ACOM.HNE. 2018-03-31T12:16:54.69 0.1 undecidable manual P 14 94.239 50 -0.43 85
OX.SABO.HHZ. 2018-03-31T12:16:54.03 0.6 undecidable manual S 48 43.623 50 0.37 47
MN.TRI.HHZ. 2018-03-31T12:16:53.39 0.3 undecidable manual S 92 42.5241 50 0.02 77
OX.CLUD.HHE. 2018-03-31T12:16:53.67 0.1 undecidable manual P 343 85.248 50 -0.07 94
OX.CIMO.HNZ. 2018-03-31T12:16:53.18 1.0 undecidable manual P 318 88.1451 50 -1.01 17
IV.PTCC.HHZ. 2018-03-31T12:16:52.56 0.1 undecidable manual P 8 76.5678 50 0.16 93
IV.STAL.HHZ. 2018-03-31T12:16:51.47 0.1 undecidable manual P 327 71.0733 50 -0.09 96
OX.MPRI.HHE. 2018-03-31T12:16:50.13 0.1 undecidable manual P 343 59.9955 50 0.29 94
NI.VINO.HHZ. 2018-03-31T12:16:49.62 0.1 undecidable manual P 4 58.9965 50 -0.07 98
MN.TRI.HHZ. 2018-03-31T12:16:47.41 0.1 undecidable manual P 92 42.5241 50 0.26 97
OX.SABO.HHZ. 2018-03-31T12:16:47.44 0.1 undecidable manual P 48 43.623 50 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TRI.HHN. ML:1.1 0.00004157401 0.1024 AML other m 2018-03-31T12:16:54.08
OX.SABO.HNE. ML:2.1 0.0004165819 1.5776 AML other m 2018-03-31T12:16:54.10
OX.SABO.HHE. ML:1.5 0.0001042429 1.5776 AML other m 2018-03-31T12:16:54.10
MN.TRI.HHE. ML:1.5 0.000099833425 0.0832 AML other m 2018-03-31T12:16:54.11
OX.SABO.HNN. ML:2.1 0.000358238 0.2432 AML other m 2018-03-31T12:16:54.66
OX.SABO.HHN. ML:1.5 0.00009718933499999998 0.2624 AML other m 2018-03-31T12:16:54.66
NI.VINO.HHE. ML:1.6 0.000093804185 0.2368 AML other m 2018-03-31T12:16:57.62
NI.VINO.HHN. ML:1.8 0.000124852265 0.1408 AML other m 2018-03-31T12:16:57.72
IV.STAL.HHN. ML:1.2 0.000025818155000000003 0.1792 AML other m 2018-03-31T12:17:02.65
IV.STAL.HHE. ML:1.4 0.000037896795 0.32 AML other m 2018-03-31T12:17:02.94
IV.PTCC.HHE. ML:1.0 0.0000144216135 0.16 AML other m 2018-03-31T12:17:03.49
IV.PTCC.HHN. ML:0.8 0.0000111839535 0.1216 AML other m 2018-03-31T12:17:04.22
IV.STAL.HNE. ML:1.8 0.000115191495 0.6144 AML other m 2018-03-31T12:17:07.63
IV.STAL.HNN. ML:1.8 0.000107648475 0.5952 AML other m 2018-03-31T12:17:18.63
IV.BRES.EHN. ML:1.7 0.00002558152 1.104 AML other m 2018-03-31T12:17:37.61
IV.PTRJ.HHN. ML:4.1 0.00041394745 1.8784 AML other m 2018-03-31T12:17:49.03
IV.BRES.EHE. ML:1.5 0.000016813069999999998 0.6592 AML other m 2018-03-31T12:17:56.64
IV.PTRJ.HHE. ML:2.7 0.00001368772 1.424 AML other m 2018-03-31T12:18:04.08
IV.EUCT.HNN. ML:4.2 0.0014738045 0.1152 AML other m 2018-03-31T12:18:06.54
IV.EUCT.HNE. ML:4.1 0.0012447620000000002 0.1216 AML other m 2018-03-31T12:18:06.50
IV.RIBO.EHE.01 ML:3.4 0.0001946919 1.6448 AML other m 2018-03-31T12:18:06.91
IV.SACR.HNE. ML:3.6 0.00011089387 1.2576 AML other m 2018-03-31T12:18:30.97
IV.SACR.HHN. ML:3.6 0.00012007126 0.1952 AML other m 2018-03-31T12:18:57.58
IV.SACR.HHE. ML:3.4 0.00008485484 0.3168 AML other m 2018-03-31T12:18:59.50
IV.SACR.HNN. ML:3.7 0.00013804744 1.1808 AML other m 2018-03-31T12:19:05.27
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download