Earthquake with magnitude of ML 1.9 on date 09-03-2019 and time 06:29:48 (Italy) in region Costa Ligure Occidentale (Imperia)

A magnitude ML 1.9 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 09-03-2019 05:29:48 (UTC)
  • 09-03-2019 06:29:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7670, 7.7680 at 14 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
Ospedaletti IM 6 3367 3367
Sanremo IM 6 54807 58174
Bordighera IM 8 10469 68643
Seborga IM 9 315 68958
Vallebona IM 10 1310 70268
Vallecrosia IM 10 6956 77224
Taggia IM 11 14116 91340
San Biagio della Cima IM 11 1329 92669
Soldano IM 11 977 93646
Riva Ligure IM 12 2910 96556
Camporosso IM 12 5632 102188
Ceriana IM 13 1250 103438
Ventimiglia IM 13 24310 127748
Santo Stefano al Mare IM 13 2197 129945
Perinaldo IM 13 870 130815
Castellaro IM 14 1256 132071
Pompeiana IM 14 823 132894
Terzorio IM 14 216 133110
Dolceacqua IM 15 2074 135184
Apricale IM 15 629 135813
Bajardo IM 16 312 136125
Isolabona IM 16 679 136804
Cipressa IM 17 1290 138094
Costarainera IM 17 828 138922
Pietrabruna IM 18 501 139423
Badalucco IM 18 1136 140559
San Lorenzo al Mare IM 19 1297 141856
Montalto Ligure IM 19 377 142233
Rocchetta Nervina IM 19 298 142531
Civezza IM 19 609 143140
Castel Vittorio IM 20 287 143427

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km S of Sanremo (54807 inhabitants)
72 Km S of Cuneo (56081 inhabitants)
83 Km SW of Savona (61345 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 2019-03-09
05:29:48
43.7673 7.7677 14 2019-08-22
08:25:12
Bollettino Sismico Italiano INGV 71196261
Reviewed
Rev100
ML 1.8 2019-03-09
05:29:48
43.7622 7.7692 11 2019-03-09
05:41:35
Sala Sismica INGV-Roma 66309661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-09 05:29:48 ± 0.21
Latitude 43.7673 ± 0.0099
Longitude 7.7677 ± 0.0087
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71196261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1029
Semi-minor axis of confidence ellipse (meter) 573
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.12685
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 66309661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-09 05:41:35

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 71196261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-05 16:02:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.EHZ. 2019-03-09T05:31:48.00 3.0 undecidable manual Pn 1.88 0
IV.VIVA.HHZ. 2019-03-09T05:31:40.79 3.0 undecidable manual Sn -0.45 0
IT.ORP.HGZ. 2019-03-09T05:31:20.28 3.0 positive manual Pn 2.39 0
CH.BERNI.HHZ. 2019-03-09T05:31:18.17 3.0 undecidable manual Sn 6.26 0
IV.COLB.HHZ. 2019-03-09T05:31:11.61 3.0 negative manual Pn 0.47 0
IV.SNTG.HHZ. 2019-03-09T05:31:00.18 3.0 undecidable manual Pg 13.85 0
IV.FDMO.HHZ. 2019-03-09T05:31:00.41 3.0 undecidable manual Pg 12.01 0
IV.EL6.EHZ. 2019-03-09T05:30:58.44 3.0 undecidable manual Pg 10.69 0
IV.NDIM.HHZ. 2019-03-09T05:30:32.52 3.0 negative manual Pn 4.42 0
GU.BHB.HHZ. 2019-03-09T05:30:08.53 0.3 undecidable manual P 342 125.0859 91 -0.89 48
GU.STV.HHZ. 2019-03-09T05:30:08.23 0.6 undecidable manual S 327 63.6918 93 0.03 46
GU.CANO.HHZ. 2019-03-09T05:30:07.07 0.6 undecidable manual S 37 61.5939 93 -0.56 41
GU.ENR.HHZ. 2019-03-09T05:30:06.93 0.6 undecidable manual S 332 57.9975 93 0.25 44
GU.GBOS.HHZ. 2019-03-09T05:30:05.51 0.6 undecidable manual S 6 52.9026 94 0.18 45
GU.PZZ.HHZ. 2019-03-09T05:30:05.11 0.3 undecidable manual P 328 97.0251 92 0 65
GU.RORO.HHZ. 2019-03-09T05:30:02.84 0.3 undecidable manual S 32 45.1215 94 -0.4 66
IV.QLNO.HHZ. 2019-03-09T05:30:02.26 0.1 undecidable manual P 37 77.0673 92 0.23 87
GU.STV.HHZ. 2019-03-09T05:30:00.23 0.1 undecidable manual P 327 63.6918 93 0.26 88
FR.SAOF.HHZ.00 2019-03-09T05:29:59.26 0.3 undecidable manual S 325 29.748 98 0.1 72
GU.ENR.HHZ. 2019-03-09T05:29:59.44 0.1 negative manual P 332 57.9975 93 0.35 87
GU.CANO.HHZ. 2019-03-09T05:29:59.77 0.3 undecidable manual P 37 61.5939 93 0.13 68
GU.GBOS.HHZ. 2019-03-09T05:29:58.49 0.1 undecidable manual P 6 52.9026 94 0.18 91
GU.RORO.HHZ. 2019-03-09T05:29:57.10 0.1 negative manual P 32 45.1215 94 0 95
IV.IMI.HHZ. 2019-03-09T05:29:56.39 0.3 undecidable manual S 32 18.7701 109 0.07 75
GU.BURY.HHE. 2019-03-09T05:29:55.62 0.3 undecidable manual S 276 16.9719 113 -0.25 72
FR.SAOF.HHZ.00 2019-03-09T05:29:54.74 0.1 undecidable manual P 325 29.748 98 -0.01 99
IV.IMI.HHZ. 2019-03-09T05:29:53.16 0.1 undecidable manual P 32 18.7701 109 0.05 100
GU.BURY.HHE. 2019-03-09T05:29:52.59 0.1 undecidable manual P 276 16.9719 113 -0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IMI.HHE. ML:2.1 0.00086331435 0.0992 AML other m 2019-03-09T05:29:56.52
IV.IMI.HHN. ML:1.8 0.0004997606 0.16 AML other m 2019-03-09T05:29:56.91
FR.SAOF.HHN.00 ML:1.9 0.0003871032 0.0992 AML other m 2019-03-09T05:29:59.47
FR.SAOF.HHE.00 ML:2.0 0.0004876333 0.08 AML other m 2019-03-09T05:29:59.72
GU.RORO.HHE. ML:1.9 0.00024936180000000003 0.0992 AML other m 2019-03-09T05:30:04.10
GU.RORO.HHN. ML:1.8 0.00020693945 0.1376 AML other m 2019-03-09T05:30:04.24
GU.GBOS.HHE. ML:1.4 0.00006434897 0.2176 AML other m 2019-03-09T05:30:05.72
GU.GBOS.HHN. ML:1.3 0.000050172695 0.0992 AML other m 2019-03-09T05:30:06.31
GU.ENR.HHN. ML:2.2 0.00036567914999999994 0.0608 AML other m 2019-03-09T05:30:07.73
GU.CANO.HHE. ML:1.9 0.00014264958999999998 0.3776 AML other m 2019-03-09T05:30:08.09
GU.ENR.HHE. ML:2.0 0.00023662280000000003 0.0608 AML other m 2019-03-09T05:30:08.17
GU.STV.HHN. ML:1.9 0.00014694625 0.1216 AML other m 2019-03-09T05:30:08.51
GU.STV.HHE. ML:2.0 0.00021008834999999997 0.08 AML other m 2019-03-09T05:30:08.54
GU.CANO.HHN. ML:1.8 0.00011018688499999999 0.2016 AML other m 2019-03-09T05:30:09.38
IV.QLNO.HHN. ML:1.5 0.000049746177000000005 1.68 AML other m 2019-03-09T05:30:12.96
GU.PZZ.HHE. ML:2.0 0.00009424610499999999 0.2208 AML other m 2019-03-09T05:30:18.66
GU.PZZ.HHN. ML:2.1 0.00013521225 0.3008 AML other m 2019-03-09T05:30:18.85
GU.BHB.HHE. ML:1.5 0.0000216049395 0.1376 AML other m 2019-03-09T05:30:25.65
GU.BHB.HHN. ML:1.6 0.000024460115 0.1792 AML other m 2019-03-09T05:30:25.95
IV.QLNO.HHE. ML:1.7 0.00007283436499999999 0.5408 AML other m 2019-03-09T05:30:30.48
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