Earthquake (quarry blast) with magnitude of ML 0.7 on date 27-02-2019 and time 11:15:41 (UTC) in region 2 km SE Millesimo (SV)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 2 km SE Millesimo (SV), on

  • 27-02-2019 11:15:41 (UTC)
  • 27-02-2019 12:15:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.35, 8.22 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
Millesimo SV 2 3383 3383
Plodio SV 2 650 4033
Cosseria SV 2 1105 5138
Roccavignale SV 3 752 5890
Cengio SV 4 3563 9453
Pallare SV 5 923 10376
Carcare SV 6 5587 15963
Murialdo SV 6 841 16804
Cairo Montenotte SV 7 13269 30073
Montezemolo CN 7 259 30332
Castelnuovo di Ceva CN 7 110 30442
Saliceto CN 8 1323 31765
Osiglia SV 8 444 32209
Bormida SV 8 387 32596
Mallare SV 9 1146 33742
Camerana CN 10 631 34373
Altare SV 10 2108 36481
Priero CN 11 529 37010
Perlo CN 11 116 37126
Sale delle Langhe CN 12 486 37612
Sale San Giovanni CN 12 183 37795
Gottasecca CN 13 148 37943
Dego SV 13 1985 39928
Nucetto CN 13 430 40358
Massimino SV 13 113 40471
Paroldo CN 15 211 40682
Monesiglio CN 15 645 41327
Ceva CN 15 5782 47109
Bagnasco CN 15 1035 48144
Rialto SV 15 564 48708
Calizzano SV 16 1475 50183
Castelletto Uzzone CN 16 331 50514
Piana Crixia SV 16 788 51302
Prunetto CN 16 451 51753
Quiliano SV 17 7232 58985
Mombarcaro CN 17 268 59253
Orco Feglino SV 17 890 60143
Battifollo CN 17 219 60362
Torresina CN 17 52 60414
Roascio CN 17 97 60511
Calice Ligure SV 17 1730 62241
Giusvalla SV 18 441 62682
Vezzi Portio SV 18 809 63491
Magliolo SV 18 974 64465
Scagnello CN 19 194 64659
Gorzegno CN 19 304 64963
Bardineto SV 19 756 65719
Merana AL 19 189 65908
Igliano CN 19 74 65982
Vado Ligure SV 20 8336 74318
Priola CN 20 701 75019
Pontinvrea SV 20 847 75866
Lisio CN 20 201 76067
Tovo San Giacomo SV 20 2582 78649
San Benedetto Belbo CN 20 179 78828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Savona (61345 inhabitants)
53 Km E of Cuneo (56081 inhabitants)
57 Km W of Genova (586655 inhabitants)
61 Km S of Asti (76202 inhabitants)
69 Km NE of Sanremo (54807 inhabitants)
70 Km SW of Alessandria (93943 inhabitants)
84 Km SE of Moncalieri (57294 inhabitants)
91 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 0.7 2019-02-27
11:15:41
44.35 8.22 1 2019-08-22
08:25:05
Bollettino Sismico Italiano INGV 69763811
Rev 100 ML 0.6 2019-02-27
11:15:41
44.34 8.23 5 2019-02-27
11:28:48
Sala Sismica INGV-Roma 66017801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-27 11:15:41 ± 0.14
Latitude 44.35 ± 0.01
Longitude 8.22 ± 0.01
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 69763811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1190
Semi-minor axis of confidence ellipse (meter) 740
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.58726
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 69763811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-21 11:00:02

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 66017801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-27 11:28:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.ENR.HHE. 2019-02-27T11:15:54.26 0.3 undecidable manual P 258 0.5873 50 -0.38 63
GU.GBOS.HHZ. 2019-02-27T11:15:48.74 0.3 undecidable manual P 248 0.295 91 0.35 67
GU.PCP.HHZ. 2019-02-27T11:15:48.48 0.3 undecidable manual P 51 0.2977 91 0.05 71
GU.RORO.HHZ. 2019-02-27T11:15:47.69 0.3 undecidable manual P 205 0.2662 91 -0.04 72
GU.CANO.HHZ. 2019-02-27T11:15:45.08 0.1 undecidable manual P 176 0.1466 92 0 99
IV.QLNO.HHZ. 2019-02-27T11:15:43.90 0.1 undecidable manual P 108 0.0935 93 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHN. ML:1 0.00018505605 0.1792 AML other m 2019-02-27T11:15:46.11
IV.QLNO.HHE. ML:1 0.00016354559 0.3008 AML other m 2019-02-27T11:15:46.38
GU.CANO.HHN. ML:1.5 0.00031552795 0.2176 AML other m 2019-02-27T11:15:48.30
GU.CANO.HHE. ML:1.2 0.000187 0.58 AML other m 2019-02-27T11:15:48.49
GU.RORO.HHN. ML:0.5 1.65554825E-5 0.1216 AML other m 2019-02-27T11:15:52.63
GU.RORO.HHE. ML:0.6 2.194712E-5 0.1984 AML other m 2019-02-27T11:15:53.33
GU.GBOS.HHE. ML:0 5.7695602E-6 0.1792 AML other m 2019-02-27T11:15:53.57
GU.PCP.HHN. ML:0.5 1.54357145E-5 0.224 AML other m 2019-02-27T11:15:53.85
GU.GBOS.HHN. ML:0.5 1.49688885E-5 0.16 AML other m 2019-02-27T11:15:54.68
GU.PCP.HHE. ML:0.5 1.4922305E-5 0.2176 AML other m 2019-02-27T11:15:54.78
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