Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 27-09-2022 and time 11:10:51 (UTC) in region 1 km N Bargagli (GE)

A magnitude ML 2.2 earthquake occured in region: 1 km N Bargagli (GE), on

  • 27-09-2022 11:10:51 (UTC)
  • 27-09-2022 13:10:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4540, 9.0900 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bargagli GE 1 2708 2708
Davagna GE 1 1884 4592
Lumarzo GE 4 1535 6127
Uscio GE 7 2284 8411
Montoggio GE 8 2067 10478
Neirone GE 8 916 11394
Bogliasco GE 8 4488 15882
Pieve Ligure GE 9 2544 18426
Sori GE 9 4205 22631
Torriglia GE 9 2311 24942
Tribogna GE 9 614 25556
Avegno GE 10 2525 28081
Sant'Olcese GE 10 5906 33987
Moconesi GE 11 2614 36601
Recco GE 11 9752 46353
Casella GE 12 3144 49497
Valbrevenna GE 12 798 50295
Cicagna GE 13 2502 52797
Camogli GE 13 5378 58175
Genova GE 13 586655 644830
Favale di Malvaro GE 13 466 645296
Serra Riccò GE 14 7885 653181
Propata GE 15 142 653323
Savignone GE 15 3205 656528
Lorsica GE 15 468 656996
Montebruno GE 15 240 657236
Crocefieschi GE 16 548 657784
Orero GE 16 565 658349
Coreglia Ligure GE 16 285 658634
Rondanina GE 16 62 658696
Mignanego GE 16 3675 662371
Rapallo GE 16 29796 692167
Santa Margherita Ligure GE 16 9338 701505
Ceranesi GE 16 3875 705380
Campomorone GE 17 6996 712376
Vobbia GE 17 409 712785
Fascia GE 17 81 712866
Busalla GE 17 5563 718429
Portofino GE 19 420 718849
Zoagli GE 19 2472 721321
Carrega Ligure AL 20 84 721405
San Colombano Certenoli GE 20 2683 724088

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Genova (586655 inhabitants)
51 Km E of Savona (61345 inhabitants)
63 Km SE of Alessandria (93943 inhabitants)
70 Km NW of La Spezia (93959 inhabitants)
82 Km S of Pavia (72576 inhabitants)
82 Km SW of Piacenza (102191 inhabitants)
86 Km SE of Asti (76202 inhabitants)
91 Km W of Carrara (63133 inhabitants)
96 Km W of Massa (69479 inhabitants)
98 Km S of Vigevano (63310 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 2.2 2022-09-27
11:10:51		 44.4538 9.09 9 2024-03-01
15:27:56		 Bollettino Sismico Italiano INGV 110960281
Reviewed
Rev100 		ML 2.3 2022-09-27
11:10:51		 44.4603 9.0893 10 2022-09-27
11:19:11		 Sala Sismica INGV-Roma 110215141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 11:10:51 ± 0.09
Latitude 44.4538 ± 0.0081
Longitude 9.0900 ± 0.0063
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 110960281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 953
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81299
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 110215141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 11:19:11

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 110960281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 15:42:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2022-09-27T11:11:43.41 3.0 undecidable manual Sg 2.37 0
GU.EQUI.HHZ. 2022-09-27T11:11:18.01 0.6 undecidable manual S 110 90.243 50 -0.71 36
GU.CANO.HHZ. 2022-09-27T11:11:14.41 0.6 undecidable manual S 248 72.9714 50 0.29 42
IV.QLNO.HHE. 2022-09-27T11:11:11.05 0.6 undecidable manual S 257 60.6948 50 0.21 44
GU.EQUI.HHZ. 2022-09-27T11:11:07.86 0.1 undecidable manual P 110 90.243 50 0.57 76
GU.PCP.HHZ. 2022-09-27T11:11:06.10 0.3 undecidable manual S 283 44.1225 50 -0.32 67
IV.BOB.HNE. 2022-09-27T11:11:06.75 0.6 undecidable manual S 39 44.8218 50 0.14 46
GU.CANO.HHZ. 2022-09-27T11:11:05.02 0.3 undecidable manual P 248 72.9714 50 0.39 62
IV.QLNO.HHE. 2022-09-27T11:11:02.50 0.3 undecidable manual P 257 60.6948 50 -0.24 66
GU.GORR.HHZ. 2022-09-27T11:11:00.12 0.6 undecidable manual S 43 23.3544 111 -0.2 47
IV.BOB.HNE. 2022-09-27T11:11:00.76 0.3 undecidable manual P 39 44.8218 50 0.47 64
GU.PCP.HHZ. 2022-09-27T11:10:59.76 0.3 undecidable manual P 283 44.1225 50 -0.43 65
IV.MSSA.HHZ. 2022-09-27T11:10:58.74 0.1 undecidable manual P 114 37.1295 50 -0.37 89
IT.GNV.HGZ. 2022-09-27T11:10:57.10 0.6 undecidable manual S 259 12.7761 124 0.07 49
GU.GENL.EHZ. 2022-09-27T11:10:56.37 0.6 undecidable manual S 241 10.878 129 -0.15 49
GU.RNCA.HHZ. 2022-09-27T11:10:56.45 0.6 undecidable manual S 280 11.1777 128 -0.14 49
GU.GORR.HHZ. 2022-09-27T11:10:56.65 0.1 undecidable manual P 43 23.3544 111 -0.01 98
GU.GENL.EHZ. 2022-09-27T11:10:54.50 0.1 undecidable manual P 241 10.878 129 0.03 100
GU.RNCA.HHZ. 2022-09-27T11:10:54.58 0.1 undecidable manual P 280 11.1777 128 0.07 99
IT.GNV.HGZ. 2022-09-27T11:10:54.85 0.1 undecidable manual P 259 12.7761 124 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RNCA.HHN. ML:2.5 0.004109999999999999 0.24 AML other m 2022-09-27T11:10:56.61
GU.RNCA.HHE. ML:2.5 0.00418 0.1 AML other m 2022-09-27T11:10:56.73
GU.GENL.EHE. ML:2.1 0.001555 0.52 AML other m 2022-09-27T11:10:56.48
GU.GENL.EHN. ML:2.1 0.0017250000000000002 1.28 AML other m 2022-09-27T11:10:57.81
GU.GORR.HHN. ML:1.9 0.000575 0.78 AML other m 2022-09-27T11:11:00.95
GU.GORR.HHE. ML:2.0 0.0007085 0.26 AML other m 2022-09-27T11:11:01.74
IV.MSSA.HHN. ML:2.3 0.0007005000000000001 0.44 AML other m 2022-09-27T11:11:05.57
IV.MSSA.HHE. ML:2.4 0.0010785 1.16 AML other m 2022-09-27T11:11:06.20
GU.CANO.HHE. ML:2.2 0.0002405 1 AML other m 2022-09-27T11:11:15.61
GU.CANO.HHN. ML:2.3 0.0003205 0.32 AML other m 2022-09-27T11:11:17.35
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
Waveforms Seismic signals in miniseed + resp format Download