Earthquake with magnitude of ML 1.1 on date 13-09-2020 and time 18:34:29 (Italy) in region 1 km E Masone (GE)

A magnitude ML 1.1 earthquake occured in region: 1 km E Masone (GE), on

  • 13-09-2020 16:34:29 (UTC)
  • 13-09-2020 18:34:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5080, 8.7250 at 10 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
Masone GE 1 3679 3679
Campo Ligure GE 4 2955 6634
Mele GE 7 2725 9359
Rossiglione GE 8 2779 12138
Tiglieto GE 9 546 12684
Urbe SV 11 700 13384
Arenzano GE 12 11519 24903
Campomorone GE 13 6996 31899
Ceranesi GE 14 3875 35774
Belforte Monferrato AL 14 515 36289
Casaleggio Boiro AL 14 372 36661
Lerma AL 14 869 37530
Cogoleto GE 15 9172 46702
Mornese AL 15 737 47439
Mignanego GE 15 3675 51114
Tagliolo Monferrato AL 15 1581 52695
Fraconalto AL 15 336 53031
Voltaggio AL 16 738 53769
Ovada AL 16 11477 65246
Molare AL 16 2181 67427
Bosio AL 17 1227 68654
Serra Riccò GE 17 7885 76539
Cassinelle AL 17 914 77453
Montaldeo AL 18 265 77718
Cremolino AL 18 1086 78804
Parodi Ligure AL 18 715 79519
Sassello SV 19 1777 81296
Busalla GE 19 5563 86859
Carrosio AL 19 510 87369
Rocca Grimalda AL 19 1512 88881
Sant'Olcese GE 20 5906 94787
Genova GE 20 586655 681442
Castelletto d'Orba AL 20 2047 683489

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Genova (586655 inhabitants)
29 Km NE of Savona (61345 inhabitants)
46 Km S of Alessandria (93943 inhabitants)
60 Km SE of Asti (76202 inhabitants)
83 Km SW of Pavia (72576 inhabitants)
91 Km S of Vigevano (63310 inhabitants)
94 Km E of Cuneo (56081 inhabitants)
98 Km SW of Piacenza (102191 inhabitants)
99 Km W of La Spezia (93959 inhabitants)
99 Km SE of Moncalieri (57294 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 1.1 2020-09-13
16:34:29
44.508 8.7253 10 2021-02-26
14:56:08
Bollettino Sismico Italiano INGV 85103541
Reviewed
Rev100
ML 1.1 2020-09-13
16:34:29
44.4987 8.7158 9 2020-09-13
16:49:40
Sala Sismica INGV-Roma 82878761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-13 16:34:29 ± 0.12
Latitude 44.5080 ± 0.0099
Longitude 8.7253 ± 0.0076
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85103541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1089
Semi-minor axis of confidence ellipse (meter) 398
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 82878761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-13 16:49:40

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 85103541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-30 08:55:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-09-13T16:36:21.03 3.0 undecidable manual Sn 0.86 0
IV.CRJA.HHZ. 2020-09-13T16:36:20.34 3.0 negative manual Pn 2.27 0
IV.MFNL.HHZ. 2020-09-13T16:36:20.26 3.0 negative manual Pn 2.43 0
IV.MBFT.HHZ. 2020-09-13T16:36:19.50 3.0 negative manual Pn 3.46 0
OX.CIMO.HHZ. 2020-09-13T16:36:15.28 3.0 undecidable manual Sg 14.72 0
IV.MTMR.EHZ. 2020-09-13T16:36:11.10 3.0 positive manual Pg 14.33 0
IV.MRLC.HHZ. 2020-09-13T16:36:09.35 3.0 undecidable manual Pn 7.22 0
IV.ATPI.EHZ. 2020-09-13T16:36:04.56 3.0 undecidable manual Sg 12.58 0
IV.PAOL.HHZ. 2020-09-13T16:36:03.41 3.0 undecidable manual Pg 11.12 0
IV.PESA.HHZ. 2020-09-13T16:35:59.65 3.0 undecidable manual Sn 3.65 0
IV.AGLI.HHZ. 2020-09-13T16:35:58.63 3.0 undecidable manual Sn -4.79 0
IV.MIDA.HHZ. 2020-09-13T16:35:57.68 3.0 undecidable manual Pg 13.14 0
OT.OT05.EHZ. 2020-09-13T16:35:56.67 3.0 undecidable manual Pn 0.68 0
IV.PTRJ.HNZ. 2020-09-13T16:35:50.68 3.0 undecidable manual Pn 1.58 0
IV.IFOR.HHZ. 2020-09-13T16:35:47.67 3.0 negative manual Pn -2.19 0
IV.VVLD.HHZ. 2020-09-13T16:35:46.58 3.0 undecidable manual Pg 9.12 0
IV.MNTT.EHZ. 2020-09-13T16:35:44.57 3.0 undecidable manual Pg 15.65 0
IV.RIBO.EHZ.01 2020-09-13T16:35:40.05 3.0 undecidable manual Sg 2.38 0
IV.GAVE.EHZ. 2020-09-13T16:35:34.82 3.0 undecidable manual Pg 9.88 0
IV.CAMP.HHZ. 2020-09-13T16:35:34.31 3.0 undecidable manual Pn 3.79 0
IV.FIR.HHZ. 2020-09-13T16:35:31.66 3.0 undecidable manual Sn 1.52 0
IV.NDIM.HHZ. 2020-09-13T16:35:22.44 3.0 undecidable manual Sn 0.7 0
IV.AGLI.HHZ. 2020-09-13T16:35:20.56 3.0 undecidable manual Pn -1.68 0
GU.REMY.HHZ. 2020-09-13T16:35:02.77 3.0 negative manual Pg 2.96 0
GU.BHB.HHZ. 2020-09-13T16:34:49.82 3.0 positive manual P -0.7 0
GU.CANO.HHZ. 2020-09-13T16:34:45.33 0.6 undecidable manual S 229 51.1155 50 -0.05 47
IV.EUCT.HNZ. 2020-09-13T16:34:44.15 3.0 negative manual P -1.8 0
GU.ROTM.HHZ. 2020-09-13T16:34:44.76 0.6 undecidable manual S 322 47.9187 50 0.23 45
GU.GORR.HHN. 2020-09-13T16:34:43.60 0.6 undecidable manual S 76 46.2204 50 -0.46 43
IV.QLNO.HHZ. 2020-09-13T16:34:40.95 0.3 undecidable manual S 236 36.3414 50 -0.49 66
GU.CANO.HHZ. 2020-09-13T16:34:39.07 0.3 undecidable manual P 229 51.1155 50 0.6 62
IT.ACQ.HGZ. 2020-09-13T16:34:38.36 0.6 undecidable manual S 313 28.3494 50 -0.96 37
GU.ROTM.HHZ. 2020-09-13T16:34:38.41 0.3 undecidable manual P 322 47.9187 50 0.42 65
GU.GORR.HHN. 2020-09-13T16:34:37.47 0.3 undecidable manual P 76 46.2204 50 -0.25 68
IV.QLNO.HHZ. 2020-09-13T16:34:36.30 0.3 undecidable manual P 236 36.3414 50 0.1 71
GU.RNCA.HHZ. 2020-09-13T16:34:36.21 0.3 undecidable manual S 103 18.3705 119 -0.08 74
IT.GNV.HGZ. 2020-09-13T16:34:36.57 0.6 undecidable manual S 117 18.4704 118 0.25 48
IT.ACQ.HGZ. 2020-09-13T16:34:35.80 0.3 undecidable manual P 313 28.3494 50 0.82 58
GU.PCP.HHZ. 2020-09-13T16:34:34.89 0.3 undecidable manual S 285 14.6742 124 -0.33 71
GU.RNCA.HHZ. 2020-09-13T16:34:33.19 0.1 undecidable manual P 103 18.3705 119 -0.04 100
IT.GNV.HGZ. 2020-09-13T16:34:33.26 0.6 undecidable manual P 117 18.4704 118 0.02 50
GU.PCP.HHZ. 2020-09-13T16:34:32.56 0.1 undecidable manual P 285 14.6742 124 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PCP.HHN. ML:1.0 0.00009687176 0.1152 AML other m 2020-09-13T16:34:34.88
GU.PCP.HHE. ML:1.2 0.00016123694999999998 0.0512 AML other m 2020-09-13T16:34:35.20
GU.RNCA.HHN. ML:0.8 0.000046977905 0.2432 AML other m 2020-09-13T16:34:36.40
GU.RNCA.HHE. ML:0.6 0.000028168234999999998 0.192 AML other m 2020-09-13T16:34:36.42
IV.QLNO.HHN. ML:0.9 0.00002818527 0.1664 AML other m 2020-09-13T16:34:41.40
IV.QLNO.HHE. ML:0.8 0.000025312769999999997 0.2432 AML other m 2020-09-13T16:34:41.54
GU.ROTM.HHN. ML:1.7 0.00012997956999999998 0.2816 AML other m 2020-09-13T16:34:45.09
GU.CANO.HHE. ML:1.3 0.00005639638499999999 0.7808 AML other m 2020-09-13T16:34:45.48
GU.CANO.HHN. ML:1.3 0.000048223805 0.3328 AML other m 2020-09-13T16:34:48.34
GU.ROTM.HHE. ML:1.6 0.000109730125 0.32 AML other m 2020-09-13T16:34:48.50
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