Earthquake (quarry blast) with magnitude of ML 1.1 on date 06-03-2019 and time 14:35:29 (Italy) in region 4 km NE Carcare (SV)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 4 km NE Carcare (SV), on

  • 06-03-2019 13:35:29 (UTC)
  • 06-03-2019 14:35:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.38, 8.32 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Carcare SV 4 5587 5587
Cairo Montenotte SV 4 13269 18856
Altare SV 6 2108 20964
Plodio SV 7 650 21614
Cosseria SV 7 1105 22719
Pallare SV 7 923 23642
Dego SV 8 1985 25627
Cengio SV 9 3563 29190
Giusvalla SV 9 441 29631
Millesimo SV 10 3383 33014
Mallare SV 10 1146 34160
Roccavignale SV 11 752 34912
Pontinvrea SV 11 847 35759
Piana Crixia SV 12 788 36547
Quiliano SV 12 7232 43779
Saliceto CN 13 1323 45102
Stella SV 14 3009 48111
Bormida SV 14 387 48498
Mioglia SV 14 526 49024
Montezemolo CN 15 259 49283
Murialdo SV 15 841 50124
Osiglia SV 15 444 50568
Savona SV 15 61345 111913
Merana AL 15 189 112102
Camerana CN 15 631 112733
Gottasecca CN 15 148 112881
Pareto AL 16 554 113435
Vado Ligure SV 16 8336 121771
Albissola Marina SV 16 5487 127258
Albisola Superiore SV 16 10163 137421
Castelnuovo di Ceva CN 16 110 137531
Castelletto Uzzone CN 16 331 137862
Sassello SV 17 1777 139639
Vezzi Portio SV 17 809 140448
Bergeggi SV 18 1129 141577
Spigno Monferrato AL 18 1050 142627
Celle Ligure SV 18 5237 147864
Orco Feglino SV 18 890 148754
Priero CN 18 529 149283
Prunetto CN 19 451 149734
Rialto SV 19 564 150298
Spotorno SV 19 3803 154101
Monesiglio CN 19 645 154746
Sale delle Langhe CN 19 486 155232
Sale San Giovanni CN 20 183 155415
Serole AT 20 123 155538
Perlo CN 20 116 155654
Calice Ligure SV 20 1730 157384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Savona (61345 inhabitants)
49 Km W of Genova (586655 inhabitants)
58 Km S of Asti (76202 inhabitants)
61 Km E of Cuneo (56081 inhabitants)
63 Km SW of Alessandria (93943 inhabitants)
76 Km NE of Sanremo (54807 inhabitants)
85 Km SE of Moncalieri (57294 inhabitants)
92 Km SE of Torino (890529 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 1.1 2019-03-06
13:35:29
44.38 8.33 1 2019-08-22
08:25:12
Bollettino Sismico Italiano INGV 71193921
Rev 100 ML 1.1 2019-03-06
13:35:28
44.36 8.37 9 2019-03-06
13:48:49
Sala Sismica INGV-Roma 66222911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-06 13:35:29 ± 0.19
Latitude 44.38 ± 0.01
Longitude 8.33 ± 0.02
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 71193921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1830
Semi-minor axis of confidence ellipse (meter) 1000
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 1830
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.37502
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 71193921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-05 13:02:22

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 66222911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-06 13:48:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2019-03-06T13:36:45.57 3.0 undecidable manual Pg 13.92 0
IV.VITU.HHZ. 2019-03-06T13:36:28.09 3.0 undecidable manual Pn -5.89 0
CH.MUGIO.HHZ. 2019-03-06T13:36:22.60 3.0 undecidable manual Sg 4.65 0
IV.ASSB.HHZ. 2019-03-06T13:36:07.71 3.0 undecidable manual Pg 4.22 0
IV.EUCT.HNZ. 2019-03-06T13:35:55.63 3.0 undecidable manual S -4.7 0
IV.BDI.HHZ. 2019-03-06T13:35:51.70 3.0 undecidable manual S -3.88 0
IV.EUCT.HNZ. 2019-03-06T13:35:44.14 3.0 positive manual P 2.02 0
IV.PRMA.HHZ. 2019-03-06T13:35:41.60 3.0 undecidable manual S -9.99 0
IV.PRMA.HHZ. 2019-03-06T13:35:40.26 3.0 undecidable manual P -9.99 0
GU.GBOS.HHE. 2019-03-06T13:35:37.84 0.1 undecidable manual P 248 0.375 91 0.24 92
GU.RORO.HHZ. 2019-03-06T13:35:36.19 0.1 undecidable manual P 214 0.3292 91 -0.38 90
GU.PCP.HHZ. 2019-03-06T13:35:34.15 0.1 undecidable manual P 45 0.2221 91 -0.05 99
GU.GRAM.HHZ. 2019-03-06T13:35:34.50 3.0 positive manual P -0.38 0
GU.CANO.HHZ. 2019-03-06T13:35:33.41 0.1 undecidable manual P 200 0.1871 91 -0.01 100
IV.QLNO.HHZ. 2019-03-06T13:35:30.81 0.1 undecidable manual P 166 0.0612 94 0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHN. ML:0 0.0004827453 0.4608 AML other m 2019-03-06T13:35:32.53
GU.CANO.HHN. ML:0 7.2309365E-5 0.1408 AML other m 2019-03-06T13:35:36.79
GU.CANO.HHE. ML:1.2 0.0001403268 0.8608 AML other m 2019-03-06T13:35:51.20
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