Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 23-07-2022 and time 11:30:53 (Italy) in region 2 km W Davagna (GE)

A magnitude ML 2.4 earthquake occured in region: 2 km W Davagna (GE), on

  • 23-07-2022 09:30:53 (UTC)
  • 23-07-2022 11:30:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4700, 9.0660 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Davagna GE 2 1884 1884
Bargagli GE 3 2708 4592
Montoggio GE 6 2067 6659
Lumarzo GE 6 1535 8194
Sant'Olcese GE 8 5906 14100
Casella GE 9 3144 17244
Torriglia GE 9 2311 19555
Valbrevenna GE 10 798 20353
Uscio GE 10 2284 22637
Bogliasco GE 10 4488 27125
Neirone GE 10 916 28041
Pieve Ligure GE 11 2544 30585
Sori GE 11 4205 34790
Serra Riccò GE 11 7885 42675
Tribogna GE 12 614 43289
Avegno GE 12 2525 45814
Savignone GE 12 3205 49019
Genova GE 12 586655 635674
Moconesi GE 13 2614 638288
Crocefieschi GE 13 548 638836
Recco GE 13 9752 648588
Mignanego GE 14 3675 652263
Ceranesi GE 14 3875 656138
Campomorone GE 14 6996 663134
Propata GE 14 142 663276
Vobbia GE 15 409 663685
Busalla GE 15 5563 669248
Cicagna GE 15 2502 671750
Camogli GE 15 5378 677128
Favale di Malvaro GE 15 466 677594
Rondanina GE 16 62 677656
Montebruno GE 16 240 677896
Lorsica GE 17 468 678364
Fascia GE 17 81 678445
Ronco Scrivia GE 18 4417 682862
Orero GE 18 565 683427
Coreglia Ligure GE 18 285 683712
Rapallo GE 19 29796 713508
Santa Margherita Ligure GE 19 9338 722846
Mongiardino Ligure AL 19 165 723011
Carrega Ligure AL 19 84 723095

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NE of Genova (586655 inhabitants)
50 Km E of Savona (61345 inhabitants)
61 Km SE of Alessandria (93943 inhabitants)
73 Km NW of La Spezia (93959 inhabitants)
80 Km S of Pavia (72576 inhabitants)
82 Km SW of Piacenza (102191 inhabitants)
83 Km SE of Asti (76202 inhabitants)
93 Km W of Carrara (63133 inhabitants)
96 Km S of Vigevano (63310 inhabitants)
98 Km W of Massa (69479 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 2.4 2022-07-23
09:30:53		 44.4695 9.066 9 2023-01-31
19:03:31		 Bollettino Sismico Italiano INGV 108271201
Reviewed
Rev100 		ML 2.4 2022-07-23
09:30:53		 44.4557 9.0828 9 2022-07-23
09:39:54		 Sala Sismica INGV-Roma 107596221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-23 09:30:53 ± 0.06
Latitude 44.4695 ± 0.0054
Longitude 9.0660 ± 0.0038
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 108271201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 649
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
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 38
Number of defining phases 38
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) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 1.54863
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 85
Type of magnitude ML
Reference to an origin 107596221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-23 09:39:54

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 108271201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-08-08 10:30:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2022-07-23T09:31:24.14 0.6 undecidable manual S 256 100.5216 50 0.49 39
IV.CRMI.HHZ. 2022-07-23T09:31:21.19 0.6 undecidable manual P 115 169.6968 50 -0.51 32
GU.CIRO.HHZ. 2022-07-23T09:31:21.71 0.6 undecidable manual P 317 171.8946 50 -0.34 33
IV.MDI.HHZ. 2022-07-23T09:31:21.59 1.0 undecidable manual P 19 152.9358 50 2.47 4
GU.RORO.HHZ. 2022-07-23T09:31:20.72 0.6 undecidable manual S 244 88.6446 50 0.22 42
GU.TRAV.HHZ. 2022-07-23T09:31:19.95 1.0 undecidable manual P 319 155.2224 50 0.47 17
GU.POPM.HHZ. 2022-07-23T09:31:18.00 0.1 undecidable manual P 109 142.3464 50 0.51 71
GU.BHB.HHZ. 2022-07-23T09:31:18.61 0.3 undecidable manual P 287 147.9408 50 0.26 55
IV.PII.HHZ. 2022-07-23T09:31:17.98 0.1 positive manual P 125 142.746 50 0.43 72
IV.PLMA.HHZ. 2022-07-23T09:31:17.20 0.6 undecidable manual S 126 77.9664 50 -0.45 41
GU.ENR.HHZ. 2022-07-23T09:31:16.07 0.6 undecidable manual P 259 133.3665 50 -0.04 40
FR.SAOF.HHZ.00 2022-07-23T09:31:15.84 0.1 undecidable manual P 246 131.6682 50 0 81
GU.MAIM.HHZ. 2022-07-23T09:31:15.71 0.1 negative manual P 118 129.0708 50 0.26 77
GU.CANO.HHZ. 2022-07-23T09:31:15.83 0.6 undecidable manual S 246 71.8725 50 -0.19 44
GU.CARD.HHZ. 2022-07-23T09:31:14.66 0.1 positive manual P 113 122.7882 50 0.18 79
GU.MGRO.HHZ. 2022-07-23T09:31:12.72 0.3 undecidable manual P 245 110.6004 50 0.13 62
MN.VLC.HHZ. 2022-07-23T09:31:12.72 0.1 positive manual P 108 110.3118 50 0.17 81
IV.QLNO.HHZ. 2022-07-23T09:31:12.74 0.6 undecidable manual S 254 59.2962 50 0.08 46
GU.GBOS.HHZ. 2022-07-23T09:31:10.88 0.1 undecidable manual P 256 100.5216 50 -0.16 83
GU.RORO.HHZ. 2022-07-23T09:31:09.17 0.6 negative manual P 244 88.6446 50 -0.04 44
GU.EQUI.HHZ. 2022-07-23T09:31:09.78 0.3 negative manual P 111 92.6406 50 -0.04 65
IV.PLMA.HHZ. 2022-07-23T09:31:07.41 1.0 undecidable manual P 126 77.9664 50 -0.16 22
GU.PCP.HHZ. 2022-07-23T09:31:07.80 0.6 undecidable manual S 281 41.9247 50 -0.23 46
GU.CANO.HHZ. 2022-07-23T09:31:06.47 0.6 positive manual P 246 71.8725 50 -0.16 44
GU.ROTM.HHZ. 2022-07-23T09:31:06.51 0.6 positive manual P 307 70.374 50 0.12 44
IV.QLNO.HHZ. 2022-07-23T09:31:04.36 0.1 negative manual P 254 59.2962 50 -0.33 87
IV.SARZ.HHN. 2022-07-23T09:31:03.05 1.0 undecidable manual P 345 45.7209 50 0.45 22
IV.BOB.HHZ. 2022-07-23T09:31:02.64 0.6 undecidable manual P 42 44.8218 50 0.19 46
GU.GORR.HHE. 2022-07-23T09:31:02.12 0.6 undecidable manual S 49 23.5542 110 -0.36 46
GU.PCP.HHZ. 2022-07-23T09:31:01.65 0.1 negative manual P 281 41.9247 50 -0.36 89
IV.MSSA.HHZ. 2022-07-23T09:31:00.97 0.1 negative manual P 115 39.627 50 -0.69 81
GU.RNCA.HHZ. 2022-07-23T09:30:58.04 0.6 undecidable manual S 271 9.0798 133 -0.07 50
GU.GENL.EHZ. 2022-07-23T09:30:58.29 0.3 undecidable manual S 227 10.3785 129 -0.16 74
GU.GORR.HHE. 2022-07-23T09:30:58.72 0.1 undecidable manual P 49 23.5542 110 -0.09 97
IT.GNV.HGZ. 2022-07-23T09:30:58.79 0.6 undecidable manual S 248 11.3775 127 0.06 50
GU.GENL.EHZ. 2022-07-23T09:30:56.56 0.1 negative manual P 227 10.3785 129 0.07 100
GU.RNCA.HHZ. 2022-07-23T09:30:56.46 0.1 negative manual P 271 9.0798 133 0.17 98
IT.GNV.HGZ. 2022-07-23T09:30:56.78 0.1 negative manual P 248 11.3775 127 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RNCA.HHN. ML:3.1 0.018850000000000002 0.14 AML other m 2022-07-23T09:30:58.30
GU.GENL.EHE. ML:2.8 0.0090506095 0.16 AML other m 2022-07-23T09:30:58.43
GU.GENL.EHN. ML:2.9 0.0116242345 0.2368 AML other m 2022-07-23T09:30:58.48
GU.RNCA.HHE. ML:3.1 0.01748116 0.1216 AML other m 2022-07-23T09:30:58.53
GU.PCP.HHN. ML:2.2 0.0005028097499999999 1.8208 AML other m 2022-07-23T09:31:08.99
GU.PCP.HHE. ML:1.9 0.00028261020000000005 0.1792 AML other m 2022-07-23T09:31:08.28
IV.BOB.HNN. ML:2.4 0.0007465 0.54 AML other m 2022-07-23T09:31:11.71
IV.BOB.HHN. ML:2.4 0.000785 0.52 AML other m 2022-07-23T09:31:11.70
IV.BOB.HHE. ML:2.4 0.0007731415500000001 0.5952 AML other m 2022-07-23T09:31:12.90
IV.QLNO.HHE. ML:2.1 0.000289807 0.1792 AML other m 2022-07-23T09:31:14.45
IV.BOB.HNE. ML:2.4 0.0007062102 0.6528 AML other m 2022-07-23T09:31:14.59
IV.QLNO.HHN. ML:2.2 0.00031800000000000003 1.84 AML other m 2022-07-23T09:31:14.97
GU.CANO.HHN. ML:3.0 0.001585 0.32 AML other m 2022-07-23T09:31:17.26
GU.CANO.HHE. ML:2.7 0.0008435 1.74 AML other m 2022-07-23T09:31:18.00
IV.PLMA.HHE. ML:2.7 0.000776 0.3 AML other m 2022-07-23T09:31:18.81
IV.PLMA.HHN. ML:2.8 0.0010415 0.28 AML other m 2022-07-23T09:31:18.53
GU.RORO.HHE. ML:2.4 0.00028783140000000003 0.3008 AML other m 2022-07-23T09:31:22.74
GU.EQUI.HHN. ML:2.5 0.00037417975 0.3392 AML other m 2022-07-23T09:31:23.83
GU.EQUI.HHE. ML:2.3 0.0002059741 0.1408 AML other m 2022-07-23T09:31:24.69
GU.GBOS.HHE. ML:2.2 0.0001435 0.54 AML other m 2022-07-23T09:31:26.32
GU.GBOS.HHN. ML:2.3 0.00020999999999999998 0.38 AML other m 2022-07-23T09:31:26.14
GU.MGRO.HNE. ML:2.5 0.00024420645999999996 0.3072 AML other m 2022-07-23T09:31:28.37
GU.MGRO.HHE. ML:2.4 0.00023349999999999998 0.3 AML other m 2022-07-23T09:31:28.22
MN.VLC.HHE. ML:2.2 0.00011878873000000001 0.3584 AML other m 2022-07-23T09:31:28.69
GU.MGRO.HHN. ML:2.3 0.00017099999999999998 0.44 AML other m 2022-07-23T09:31:29.44
MN.VLC.HNN. ML:2.2 0.00011911854999999999 0.1792 AML other m 2022-07-23T09:31:31.43
MN.VLC.HHN. ML:2.2 0.00013114745 0.1792 AML other m 2022-07-23T09:31:31.43
GU.CARD.HHN. ML:2.8 0.0004785642 1.8592 AML other m 2022-07-23T09:31:32.96
GU.CARD.HHE. ML:2.9 0.0005508106000000001 0.16 AML other m 2022-07-23T09:31:32.28
MN.VLC.HNE. ML:2.2 0.00012851202500000001 1.5584 AML other m 2022-07-23T09:31:32.98
GU.MAIM.HHN. ML:2.7 0.0003465 1.54 AML other m 2022-07-23T09:31:33.92
GU.MGRO.HNN. ML:2.3 0.000174097265 0.6784 AML other m 2022-07-23T09:31:33.22
GU.MAIM.HHE. ML:2.4 0.0001585 0.3 AML other m 2022-07-23T09:31:34.25
FR.SAOF.HHN.00 ML:2.3 0.000117833205 0.576 AML other m 2022-07-23T09:31:35.71
IV.PII.HHE. ML:2.8 0.000327 0.6 AML other m 2022-07-23T09:31:36.88
IV.PII.HHN. ML:2.6 0.0002243123 0.2176 AML other m 2022-07-23T09:31:36.85
GU.ENR.HHN. ML:2.3 0.00012557135 0.3648 AML other m 2022-07-23T09:31:37.24
GU.POPM.HHE. ML:2.9 0.00039888395 0.2816 AML other m 2022-07-23T09:31:37.49
GU.POPM.HHN. ML:2.9 0.00042073875 0.1792 AML other m 2022-07-23T09:31:38.68
FR.SAOF.HHE.00 ML:2.3 0.000112707 1.4048 AML other m 2022-07-23T09:31:38.07
GU.ENR.HHE. ML:2.2 0.00008784947499999999 0.4608 AML other m 2022-07-23T09:31:38.88
GU.TRAV.HHE. ML:2.3 0.0001027 0.36 AML other m 2022-07-23T09:31:41.41
IV.CRMI.HHN. ML:2.2 0.00006915 0.28 AML other m 2022-07-23T09:31:45.88
GU.BHB.HHN. ML:2.2 0.00007711115 0.64 AML other m 2022-07-23T09:31:45.61
GU.TRAV.HHN. ML:2.4 0.00010839999999999999 1.74 AML other m 2022-07-23T09:31:45.96
IV.MDI.HHN. ML:2.2 0.00007505000000000001 1.66 AML other m 2022-07-23T09:31:45.96
GU.BHB.HHE. ML:2.2 0.00008633916 0.416 AML other m 2022-07-23T09:31:46.18
IV.CRMI.HNN. ML:2.9 0.0003098091 0.9952 AML other m 2022-07-23T09:31:46.32
IV.CRMI.HNE. ML:2.6 0.00015229710000000003 0.8384 AML other m 2022-07-23T09:31:47.54
IV.MDI.HNE. ML:2.4 0.00014154797499999999 0.3904 AML other m 2022-07-23T09:31:47.13
IV.MDI.HHE. ML:2.3 0.00009615 0.36 AML other m 2022-07-23T09:31:47.13
IV.CRMI.HHE. ML:2.0 0.00004725 0.42 AML other m 2022-07-23T09:31:47.57
GU.CIRO.HHE. ML:2.1 0.00005485 0.68 AML other m 2022-07-23T09:31:48.48
GU.CIRO.HHN. ML:2.0 0.00004195 0.22 AML other m 2022-07-23T09:31:50.55
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