Earthquake with magnitude of ML 1.2 on date 09-10-2020 and time 02:30:13 (Italy) in region 2 km W Cabella Ligure (AL)

A magnitude ML 1.2 earthquake occured in region: 2 km W Cabella Ligure (AL), on

  • 09-10-2020 00:30:13 (UTC)
  • 09-10-2020 02:30:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6680, 9.0720 at 9 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
Cabella Ligure AL 2 528 528
Mongiardino Ligure AL 3 165 693
Roccaforte Ligure AL 4 136 829
Albera Ligure AL 4 325 1154
Rocchetta Ligure AL 5 200 1354
Cantalupo Ligure AL 6 527 1881
Vobbia GE 8 409 2290
Grondona AL 9 510 2800
Isola del Cantone GE 9 1540 4340
Carrega Ligure AL 10 84 4424
Crocefieschi GE 10 548 4972
Ronco Scrivia GE 11 4417 9389
Dernice AL 11 185 9574
Montacuto AL 12 278 9852
Fabbrica Curone AL 12 656 10508
Borghetto di Borbera AL 12 1966 12474
Valbrevenna GE 12 798 13272
San Sebastiano Curone AL 13 583 13855
Savignone GE 13 3205 17060
Garbagna AL 14 696 17756
Propata GE 15 142 17898
Busalla GE 15 5563 23461
Gremiasco AL 15 324 23785
Arquata Scrivia AL 15 6409 30194
Vignole Borbera AL 15 2182 32376
Casella GE 16 3144 35520
Sardigliano AL 16 406 35926
Brignano-Frascata AL 16 456 36382
Rondanina GE 16 62 36444
Montoggio GE 17 2067 38511
Zerba PC 17 77 38588
Avolasca AL 17 294 38882
Fascia GE 17 81 38963
Stazzano AL 17 2486 41449
Fraconalto AL 17 336 41785
Serravalle Scrivia AL 18 6128 47913
Santa Margherita di Staffora PV 18 473 48386
Torriglia GE 18 2311 50697
Sant'Agata Fossili AL 18 425 51122
Bagnaria PV 18 658 51780
Castellania AL 18 90 51870
Brallo di Pregola PV 19 599 52469
Casasco AL 19 129 52598
Gorreto GE 19 97 52695
Voltaggio AL 19 738 53433
Carrosio AL 19 510 53943
Gavazzana AL 19 180 54123
Rovegno GE 19 554 54677
Momperone AL 19 223 54900
Cassano Spinola AL 20 1731 56631
Mignanego GE 20 3675 60306
Varzi PV 20 3279 63585

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Genova (586655 inhabitants)
45 Km SE of Alessandria (93943 inhabitants)
58 Km S of Pavia (72576 inhabitants)
62 Km NE of Savona (61345 inhabitants)
65 Km SW of Piacenza (102191 inhabitants)
73 Km E of Asti (76202 inhabitants)
74 Km S of Vigevano (63310 inhabitants)
87 Km NW of La Spezia (93959 inhabitants)
90 Km S of Milano (1345851 inhabitants)
91 Km SW of Cremona (71901 inhabitants)
94 Km SE of Novara (104380 inhabitants)
96 Km S of Rho (50434 inhabitants)
97 Km S of Sesto San Giovanni (81608 inhabitants)
100 Km S 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 1.2 2020-10-09
00:30:13
44.6677 9.0718 9 2021-02-26
14:56:12
Bollettino Sismico Italiano INGV 85794201
Reviewed
Rev100
ML 1.4 2020-10-09
00:30:12
44.6438 9.1087 21 2020-10-09
00:37:13
Sala Sismica INGV-Roma 83630561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-09 00:30:13 ± 0.16
Latitude 44.6677 ± 0.0099
Longitude 9.0718 ± 0.0101
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85794201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1068
Semi-minor axis of confidence ellipse (meter) 338
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75273
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 83630561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-09 00:37:13

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 85794201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 13:47:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2020-10-09T00:32:02.08 3.0 undecidable manual Sn -1.76 0
IV.MTMR.EHZ. 2020-10-09T00:31:56.27 3.0 undecidable manual Pg 16.24 0
IV.CMPR.HHZ. 2020-10-09T00:31:47.15 3.0 undecidable manual Pn -0.85 0
IV.NARO.HHZ. 2020-10-09T00:31:37.21 3.0 undecidable manual Sn 3.08 0
IV.FRON.EHZ. 2020-10-09T00:31:35.94 3.0 undecidable manual Sn -1.46 0
IV.RAVA.EHZ. 2020-10-09T00:31:03.64 3.0 undecidable manual Sg 0.13 0
GU.CANO.HHE. 2020-10-09T00:30:39.33 0.6 undecidable manual S 233 83.5497 50 0.46 41
GU.GRAM.HHZ. 2020-10-09T00:30:38.48 0.6 undecidable manual S 104 80.8635 50 0.31 43
GU.CANO.HHE. 2020-10-09T00:30:28.88 0.3 undecidable manual P 233 83.5497 50 0.67 58
GU.GRAM.HHZ. 2020-10-09T00:30:27.34 0.3 undecidable manual P 104 80.8635 50 -0.47 63
GU.PCP.HHZ. 2020-10-09T00:30:27.11 0.6 undecidable manual S 252 43.9227 50 -1.18 34
IV.QLNO.HHE. 2020-10-09T00:30:26.24 0.6 undecidable manual P 237 68.8755 50 0.28 44
IV.BOB.HNE. 2020-10-09T00:30:25.07 0.6 undecidable manual S 69 31.6461 50 0.05 49
GU.GENL.EHN. 2020-10-09T00:30:24.51 0.6 undecidable manual S 196 30.1476 107 -0.05 50
GU.RNCA.HHZ. 2020-10-09T00:30:22.55 0.3 undecidable manual S 204 23.754 111 0.09 76
GU.PCP.HHZ. 2020-10-09T00:30:21.42 0.3 undecidable manual P 252 43.9227 50 -0.68 62
GU.GENL.EHN. 2020-10-09T00:30:20.47 0.3 undecidable manual P 196 30.1476 107 0.52 68
IV.BOB.HNE. 2020-10-09T00:30:20.24 0.1 undecidable manual P 69 31.6461 50 0.02 100
GU.GORR.HHZ. 2020-10-09T00:30:20.80 0.3 undecidable manual S 111 18.6702 116 -0.03 76
IV.SARZ.HHZ. 2020-10-09T00:30:19.33 0.3 undecidable manual P 331 25.4523 109 0.29 73
GU.RNCA.HHZ. 2020-10-09T00:30:18.59 0.1 undecidable manual P 204 23.754 111 -0.15 99
GU.GORR.HHZ. 2020-10-09T00:30:17.60 0.3 undecidable manual P 111 18.6702 116 -0.2 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHE. ML:1.5 0.00025 0.44 AML other m 2020-10-09T00:30:21.30
GU.GORR.HHN. ML:1.4 0.00022999999999999998 0.8 AML other m 2020-10-09T00:30:21.02
GU.RNCA.HHE. ML:1.2 0.00009795000000000001 0.12 AML other m 2020-10-09T00:30:22.80
GU.RNCA.HHN. ML:0.9 0.0000541 1.76 AML other m 2020-10-09T00:30:22.00
IV.SARZ.HHN. ML:1.1 0.0000811 0.76 AML other m 2020-10-09T00:30:30.55
IV.SARZ.HHE. ML:1.2 0.00009375 1.24 AML other m 2020-10-09T00:30:35.05
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