Earthquake with magnitude of ML 1.6 on date 28-11-2017 and time 02:00:36 (UTC) in region 1 km SW Francavilla Bisio (AL)

A magnitude ML 1.6 earthquake occured in region: 1 km SW Francavilla Bisio (AL), on

  • 28-11-2017 02:00:36 (UTC)
  • 28-11-2017 03:00:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.7270, 8.7280 at 40 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
Francavilla Bisio AL 1 531 531
Capriata d'Orba AL 3 1904 2435
Pasturana AL 3 1318 3753
Tassarolo AL 3 672 4425
San Cristoforo AL 4 608 5033
Castelletto d'Orba AL 5 2047 7080
Basaluzzo AL 5 2087 9167
Novi Ligure AL 6 28154 37321
Predosa AL 6 2048 39369
Silvano d'Orba AL 6 1988 41357
Parodi Ligure AL 7 715 42072
Montaldeo AL 7 265 42337
Fresonara AL 7 731 43068
Gavi AL 7 4614 47682
Pozzolo Formigaro AL 9 4775 52457
Rocca Grimalda AL 9 1512 53969
Mornese AL 10 737 54706
Bosio AL 10 1227 55933
Lerma AL 10 869 56802
Casaleggio Boiro AL 10 372 57174
Serravalle Scrivia AL 10 6128 63302
Tagliolo Monferrato AL 11 1581 64883
Carpeneto AL 11 977 65860
Stazzano AL 11 2486 68346
Carrosio AL 11 510 68856
Bosco Marengo AL 11 2457 71313
Cassano Spinola AL 12 1731 73044
Ovada AL 12 11477 84521
Montaldo Bormida AL 12 664 85185
Belforte Monferrato AL 13 515 85700
Frugarolo AL 13 1968 87668
Vignole Borbera AL 13 2182 89850
Trisobbio AL 13 655 90505
Arquata Scrivia AL 13 6409 96914
Orsara Bormida AL 14 424 97338
Gavazzana AL 14 180 97518
Sezzadio AL 14 1246 98764
Rivalta Bormida AL 14 1446 100210
Villalvernia AL 14 955 101165
Castelspina AL 14 416 101581
Castelnuovo Bormida AL 14 694 102275
Sardigliano AL 15 406 102681
Casal Cermelli AL 15 1234 103915
Voltaggio AL 15 738 104653
Cremolino AL 15 1086 105739
Molare AL 15 2181 107920
Morsasco AL 16 679 108599
Cassine AL 16 2961 111560
Carezzano AL 16 431 111991
Strevi AL 17 2019 114010
Sant'Agata Fossili AL 17 425 114435
Prasco AL 17 521 114956
Paderna AL 17 220 115176
Spineto Scrivia AL 17 337 115513
Gamalero AL 17 844 116357
Borghetto di Borbera AL 17 1966 118323
Castellazzo Bormida AL 18 4570 122893
Carbonara Scrivia AL 18 1122 124015
Castellania AL 18 90 124105
Cassinelle AL 19 914 125019
Villaromagnano AL 19 715 125734
Rossiglione GE 19 2779 128513
Costa Vescovato AL 19 335 128848
Grondona AL 19 510 129358
Frascaro AL 19 440 129798
Fraconalto AL 19 336 130134
Visone AL 19 1194 131328
Borgoratto Alessandrino AL 19 584 131912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Alessandria (93943 inhabitants)
39 Km NW of Genova (586655 inhabitants)
46 Km E of Asti (76202 inhabitants)
51 Km NE of Savona (61345 inhabitants)
61 Km SW of Pavia (72576 inhabitants)
67 Km S of Vigevano (63310 inhabitants)
80 Km S of Novara (104380 inhabitants)
84 Km W of Piacenza (102191 inhabitants)
88 Km E of Moncalieri (57294 inhabitants)
90 Km SW of Milano (1345851 inhabitants)
91 Km E of Torino (890529 inhabitants)
93 Km S of Rho (50434 inhabitants)
98 Km S of Legnano (60262 inhabitants)
98 Km SW of Sesto San Giovanni (81608 inhabitants)
99 Km S of Busto Arsizio (83106 inhabitants)
100 Km SW of Cinisello Balsamo (75078 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 1.6 2017-11-28
02:00:36
44.7272 8.7283 40 2018-09-04
09:09:16
Bollettino Sismico Italiano INGV 54179741
Reviewed
Rev100
ML 1.6 2017-11-28
02:00:36
44.7325 8.7262 41 2017-11-28
02:12:05
Sala Sismica INGV-Roma 52186561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-11-28 02:00:36 ± 0.12
Latitude 44.7272 ± 0.0072
Longitude 8.7283 ± 0.0101
Depth (km) 40 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 54179741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 830
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 0.69608
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 52186561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-28 02:12:05

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 54179741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-02-26 16:45:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2017-11-28T02:01:00.10 0.3 undecidable manual S 126 77.2671 93 0 70
GU.CANO.HHZ. 2017-11-28T02:00:58.40 0.1 undecidable manual S 214 69.5748 94 -0.03 94
IV.QLNO.HHZ. 2017-11-28T02:00:55.40 0.3 undecidable manual S 214 54.0015 100 0.3 69
GU.RNCA.HHZ. 2017-11-28T02:00:51.20 0.3 undecidable manual S 148 33.4443 124 0.2 73
GU.ROTM.HHZ. 2017-11-28T02:00:51.10 0.6 undecidable manual S 295 32.5452 125 0.26 48
IV.MSSA.HHZ. 2017-11-28T02:00:50.00 0.1 undecidable manual P 126 77.2671 93 0.01 93
GU.PCP.HHZ. 2017-11-28T02:00:49.50 0.3 undecidable manual S 215 25.1526 136 -0.14 75
GU.CANO.HHZ. 2017-11-28T02:00:49.11 0.1 undecidable manual P 214 69.5748 94 0.08 94
IV.MONC.HHN. 2017-11-28T02:00:49.69 0.1 undecidable manual P 302 73.7706 94 0.13 92
IV.SARZ.HHZ. 2017-11-28T02:00:49.90 0.6 undecidable manual S 43 21.3675 142 0.8 41
IV.QLNO.HHZ. 2017-11-28T02:00:47.14 0.1 undecidable manual P 214 54.0015 100 0.04 97
GU.RNCA.HHZ. 2017-11-28T02:00:44.67 0.1 undecidable manual P 148 33.4443 124 -0.07 100
GU.ROTM.HHZ. 2017-11-28T02:00:44.43 0.1 undecidable manual P 295 32.5452 125 -0.22 97
GU.PCP.HHZ. 2017-11-28T02:00:43.66 0.1 undecidable manual P 215 25.1526 136 -0.29 96
IV.SARZ.HHZ. 2017-11-28T02:00:43.29 0.1 undecidable manual P 43 21.3675 142 -0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RNCA.HHN. ML:1.1 0.00003734999999999999 0.26 AML other m 2017-11-28T02:00:44.84
GU.PCP.HHE. ML:1.5 0.00009955 0.32 AML other m 2017-11-28T02:00:49.90
GU.PCP.HHN. ML:1.5 0.0000886 0.48 AML other m 2017-11-28T02:00:49.75
IV.SARZ.HHN. ML:1.6 0.000124604175 1.5 AML other m 2017-11-28T02:00:50.87
GU.RNCA.HHE. ML:1.1 0.000027715965 0.16 AML other m 2017-11-28T02:00:51.62
GU.ROTM.HHN. ML:2.0 0.00027400000000000005 0.16 AML other m 2017-11-28T02:00:51.70
GU.ROTM.HHE. ML:2.2 0.000442 1.56 AML other m 2017-11-28T02:00:51.88
IV.QLNO.HHE. ML:1.3 0.000034936585 0.24 AML other m 2017-11-28T02:00:55.79
IV.QLNO.HHN. ML:1.2 0.00002890314 1.84 AML other m 2017-11-28T02:00:55.02
GU.CANO.HHE. ML:1.8 0.000084509555 1.74 AML other m 2017-11-28T02:00:58.06
GU.CANO.HHN. ML:1.9 0.00010750087999999999 0 AML other m 2017-11-28T02:00:59.67
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