Earthquake (quarry blast) with magnitude of ML 0.8 on date 27-02-2019 and time 11:35:13 (Italy) in region 4 km NE Carcare (SV)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 4 km NE Carcare (SV), on

  • 27-02-2019 10:35:13 (UTC)
  • 27-02-2019 11:35:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.39, 8.33 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 5 13269 18856
Altare SV 6 2108 20964
Dego SV 7 1985 22949
Plodio SV 7 650 23599
Cosseria SV 8 1105 24704
Pallare SV 8 923 25627
Giusvalla SV 9 441 26068
Cengio SV 9 3563 29631
Millesimo SV 10 3383 33014
Mallare SV 11 1146 34160
Pontinvrea SV 11 847 35007
Roccavignale SV 11 752 35759
Piana Crixia SV 11 788 36547
Quiliano SV 12 7232 43779
Saliceto CN 13 1323 45102
Stella SV 13 3009 48111
Mioglia SV 13 526 48637
Bormida SV 14 387 49024
Montezemolo CN 15 259 49283
Merana AL 15 189 49472
Pareto AL 15 554 50026
Savona SV 15 61345 111371
Gottasecca CN 15 148 111519
Murialdo SV 15 841 112360
Camerana CN 15 631 112991
Osiglia SV 15 444 113435
Albisola Superiore SV 16 10163 123598
Albissola Marina SV 16 5487 129085
Vado Ligure SV 16 8336 137421
Castelnuovo di Ceva CN 16 110 137531
Castelletto Uzzone CN 16 331 137862
Sassello SV 17 1777 139639
Spigno Monferrato AL 17 1050 140689
Vezzi Portio SV 18 809 141498
Bergeggi SV 18 1129 142627
Celle Ligure SV 18 5237 147864
Prunetto CN 19 451 148315
Orco Feglino SV 19 890 149205
Priero CN 19 529 149734
Monesiglio CN 19 645 150379
Rialto SV 19 564 150943
Spotorno SV 19 3803 154746
Serole AT 19 123 154869
Sale delle Langhe CN 19 486 155355
Sale San Giovanni CN 20 183 155538
Pezzolo Valle Uzzone CN 20 344 155882

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Savona (61345 inhabitants)
48 Km W of Genova (586655 inhabitants)
58 Km S of Asti (76202 inhabitants)
62 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 0.8 2019-02-27
10:35:13
44.39 8.33 1 2019-08-22
08:25:05
Bollettino Sismico Italiano INGV 69763721
Rev 100 ML 0.8 2019-02-27
10:35:13
44.36 8.37 8 2019-02-27
10:44:06
Sala Sismica INGV-Roma 66015721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-27 10:35:13 ± 0.16
Latitude 44.39 ± 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 69763721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1570
Semi-minor axis of confidence ellipse (meter) 840
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570
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 22
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.37772
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 69763721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-21 10:58:52

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 66015721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-27 10:44:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SALB.HHZ. 2019-02-27T10:36:55.82 3.0 undecidable manual Pn 1.36 0
IV.LTRZ.HNZ. 2019-02-27T10:36:54.07 3.0 undecidable manual Pn 2.49 0
IV.MFNL.HHZ. 2019-02-27T10:36:53.01 3.0 positive manual Pn -4.1 0
CR.HVAR.HHZ. 2019-02-27T10:36:47.75 3.0 negative manual Pg 17.5 0
MN.TRI.HHZ. 2019-02-27T10:36:44.41 3.0 undecidable manual Sn -1.3 0
IX.SFL3.HNZ.01 2019-02-27T10:36:40.33 3.0 undecidable manual Pn 0.35 0
IV.APEC.HHZ. 2019-02-27T10:36:37.88 3.0 undecidable manual Sn 5.36 0
IV.MCRV.HHZ. 2019-02-27T10:36:35.93 3.0 undecidable manual Pn -0.94 0
IV.INTR.HHZ. 2019-02-27T10:36:29.68 3.0 undecidable manual Pg 13.82 0
IV.LIK.EHZ.01 2019-02-27T10:36:24.96 3.0 undecidable manual Pn 6.95 0
IT.VNF1.HGZ. 2019-02-27T10:36:21.43 3.0 negative manual Pn -0.39 0
IV.TRIF.CHZ. 2019-02-27T10:36:16.36 3.0 undecidable manual Sn -1.89 0
IV.OPPE.HNZ. 2019-02-27T10:35:57.97 3.0 undecidable manual Sg -2.41 0
IV.SBPO.HNZ. 2019-02-27T10:35:57.00 3.0 undecidable manual Sg 1.04 0
IV.APEC.HHZ. 2019-02-27T10:35:56.24 3.0 negative manual Pg 4.91 0
IV.ATFO.HHZ. 2019-02-27T10:35:51.92 3.0 undecidable manual Pn -2.06 0
IV.ZONE.HHZ. 2019-02-27T10:35:23.00 3.0 undecidable manual P -1.98 0
GU.GBOS.HHE. 2019-02-27T10:35:22.20 0.1 undecidable manual P 248 0.3777 91 0.19 94
GU.RORO.HHZ. 2019-02-27T10:35:20.63 0.3 undecidable manual P 214 0.3327 91 -0.37 68
GU.PCP.HHE. 2019-02-27T10:35:18.42 0.1 undecidable manual P 45 0.2185 91 -0.04 100
GU.CANO.HHZ. 2019-02-27T10:35:17.81 0.1 undecidable manual P 200 0.1907 91 -0.04 100
IV.QLNO.HHZ. 2019-02-27T10:35:15.19 0.1 undecidable manual P 168 0.0639 94 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHN. ML:0 0.000639 1.32 AML other m 2019-02-27T10:35:17.04
GU.CANO.HHN. ML:0 8.21E-5 0.98 AML other m 2019-02-27T10:35:23.09
GU.CANO.HHE. ML:1.5 0.0002325 0.94 AML other m 2019-02-27T10:35:23.97
GU.RORO.HHN. ML:0.6 1.3469791E-5 0.0224 AML other m 2019-02-27T10:35:25.34
GU.RORO.HHE. ML:0.6 1.5695265E-5 0.4576 AML other m 2019-02-27T10:35:26.77
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