Earthquake with magnitude of ML 1.4 on date 12-11-2021 and time 10:04:53 (UTC) in region 1 km W Urbe (SV)

A magnitude ML 1.4 earthquake occured in region: 1 km W Urbe (SV), on

  • 12-11-2021 10:04:53 (UTC)
  • 12-11-2021 11:04:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4850, 8.5760 at 8 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
Urbe SV 1 700 700
Tiglieto GE 6 546 1246
Sassello SV 7 1777 3023
Masone GE 11 3679 6702
Campo Ligure GE 11 2955 9657
Rossiglione GE 12 2779 12436
Stella SV 12 3009 15445
Cogoleto GE 12 9172 24617
Pontinvrea SV 12 847 25464
Arenzano GE 13 11519 36983
Mioglia SV 13 526 37509
Cassinelle AL 14 914 38423
Varazze SV 14 13251 51674
Morbello AL 14 402 52076
Mele GE 14 2725 54801
Ponzone AL 15 1051 55852
Giusvalla SV 15 441 56293
Molare AL 15 2181 58474
Malvicino AL 15 85 58559
Pareto AL 16 554 59113
Celle Ligure SV 16 5237 64350
Albisola Superiore SV 17 10163 74513
Cremolino AL 17 1086 75599
Belforte Monferrato AL 17 515 76114
Cartosio AL 17 747 76861
Grognardo AL 18 259 77120
Prasco AL 18 521 77641
Ovada AL 18 11477 89118
Albissola Marina SV 18 5487 94605
Tagliolo Monferrato AL 19 1581 96186
Cavatore AL 19 291 96477
Montechiaro d'Acqui AL 20 560 97037
Trisobbio AL 20 655 97692
Lerma AL 20 869 98561

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Savona (61345 inhabitants)
30 Km W of Genova (586655 inhabitants)
48 Km S of Alessandria (93943 inhabitants)
55 Km SE of Asti (76202 inhabitants)
82 Km E of Cuneo (56081 inhabitants)
91 Km SW of Pavia (72576 inhabitants)
91 Km SE of Moncalieri (57294 inhabitants)
95 Km S of Vigevano (63310 inhabitants)
96 Km SE of Torino (890529 inhabitants)
97 Km NE of Sanremo (54807 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 1.4 2021-11-12
10:04:53
44.4848 8.5765 8 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101786461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-12 10:04:53 ± 0.14
Latitude 44.4848 ± 0.0126
Longitude 8.5765 ± 0.0126
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101786461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1360
Semi-minor axis of confidence ellipse (meter) 933
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 15
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) 0.92450
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 101786461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-08 11:25:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IFOR.HHZ. 2021-11-12T10:06:28.99 3.0 undecidable manual Pg 8.99 0
IV.PE3.EHZ. 2021-11-12T10:06:26.55 3.0 undecidable manual Sg 0.93 0
IV.LMD.HHZ. 2021-11-12T10:06:10.52 3.0 undecidable manual Sg 0.64 0
IV.PP3.EHZ. 2021-11-12T10:06:06.16 3.0 negative manual Pg 7.84 0
IV.LPEL.HHZ. 2021-11-12T10:06:05.80 3.0 positive manual Pn -5.53 0
IV.ROM9.HNZ. 2021-11-12T10:06:01.24 3.0 undecidable manual Pn 1.87 0
IV.ASSB.HHZ. 2021-11-12T10:05:49.50 3.0 undecidable manual Pn -1.65 0
GU.GBOS.HHZ. 2021-11-12T10:05:13.15 0.6 undecidable manual S 245 64.3911 50 -1.16 31
GU.STV.HHZ. 2021-11-12T10:05:12.43 0.3 undecidable manual P 255 102.6195 50 0.81 51
GU.RORO.HHZ. 2021-11-12T10:05:12.51 0.6 undecidable manual S 225 57.7977 50 -0.05 46
GU.ENR.HHZ. 2021-11-12T10:05:10.71 0.3 undecidable manual P 253 96.126 50 0.09 64
GU.IMI.HHZ. 2021-11-12T10:05:09.41 0.3 undecidable manual P 221 83.7495 50 0.7 56
GU.CANO.HHZ. 2021-11-12T10:05:07.47 0.6 undecidable manual S 221 40.9257 50 -0.57 42
GU.GBOS.HHZ. 2021-11-12T10:05:05.66 0.3 undecidable manual P 245 64.3911 50 -0.06 69
GU.RORO.HHZ. 2021-11-12T10:05:04.75 0.1 undecidable manual P 225 57.7977 50 0.04 93
GU.RNCA.HHZ. 2021-11-12T10:05:04.75 0.6 undecidable manual S 93 29.6481 105 0.09 48
IV.QLNO.HHZ. 2021-11-12T10:05:03.08 0.6 undecidable manual S 226 25.5522 107 -0.19 48
GU.CANO.HHZ. 2021-11-12T10:05:02.01 0.1 undecidable manual P 221 40.9257 50 -0.09 95
IV.QLNO.HHZ. 2021-11-12T10:04:59.60 0.1 positive manual P 226 25.5522 107 0.26 94
GU.RNCA.HHZ. 2021-11-12T10:04:59.76 0.3 undecidable manual P 93 29.6481 105 -0.38 68
GU.PCP.HHZ. 2021-11-12T10:04:57.31 0.3 undecidable manual S 339 6.6933 140 -0.3 73
GU.PCP.HHZ. 2021-11-12T10:04:56.21 0.1 undecidable manual P 339 6.6933 140 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHE. ML:1.2 0.00009820000000000002 0.74 AML other m 2021-11-12T10:05:04.35
IV.QLNO.HHN. ML:1.1 0.000077 1.08 AML other m 2021-11-12T10:05:05.93
GU.CANO.HHN. ML:1.5 0.00011399999999999999 1.08 AML other m 2021-11-12T10:05:09.01
GU.CANO.HHE. ML:1.7 0.00015999999999999999 0.76 AML other m 2021-11-12T10:05:16.82
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