Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 24-12-2022 and time 00:39:06 (UTC) in region 1 km SW Davagna (GE)

A magnitude ML 1.9 earthquake occured in region: 1 km SW Davagna (GE), on

  • 24-12-2022 00:39:06 (UTC)
  • 24-12-2022 01:39:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4560, 9.0760 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.

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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
Davagna GE 1 1884 1884
Bargagli GE 2 2708 4592
Lumarzo GE 5 1535 6127
Montoggio GE 7 2067 8194
Uscio GE 8 2284 10478
Bogliasco GE 9 4488 14966
Pieve Ligure GE 9 2544 17510
Sant'Olcese GE 9 5906 23416
Neirone GE 9 916 24332
Sori GE 10 4205 28537
Torriglia GE 10 2311 30848
Avegno GE 11 2525 33373
Tribogna GE 11 614 33987
Casella GE 11 3144 37131
Valbrevenna GE 11 798 37929
Moconesi GE 12 2614 40543
Recco GE 12 9752 50295
Genova GE 12 586655 636950
Serra Riccò GE 13 7885 644835
Camogli GE 14 5378 650213
Cicagna GE 14 2502 652715
Savignone GE 14 3205 655920
Favale di Malvaro GE 15 466 656386
Propata GE 15 142 656528
Crocefieschi GE 15 548 657076
Mignanego GE 15 3675 660751
Ceranesi GE 15 3875 664626
Campomorone GE 16 6996 671622
Montebruno GE 16 240 671862
Lorsica GE 16 468 672330
Vobbia GE 16 409 672739
Rondanina GE 16 62 672801
Busalla GE 17 5563 678364
Orero GE 17 565 678929
Coreglia Ligure GE 17 285 679214
Santa Margherita Ligure GE 17 9338 688552
Rapallo GE 17 29796 718348
Fascia GE 18 81 718429
Ronco Scrivia GE 20 4417 722846
Portofino GE 20 420 723266
Carrega Ligure AL 20 84 723350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Genova (586655 inhabitants)
50 Km E of Savona (61345 inhabitants)
63 Km SE of Alessandria (93943 inhabitants)
71 Km NW of La Spezia (93959 inhabitants)
81 Km S of Pavia (72576 inhabitants)
82 Km SW of Piacenza (102191 inhabitants)
85 Km SE of Asti (76202 inhabitants)
92 Km W of Carrara (63133 inhabitants)
97 Km W of Massa (69479 inhabitants)
97 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 1.9 2022-12-24
00:39:06		 44.4563 9.0765 9 2024-03-01
15:28:12		 Bollettino Sismico Italiano INGV 113113571
Reviewed
Rev100 		ML 1.8 2022-12-24
00:39:06		 44.4578 9.0778 9 2022-12-24
00:45:40		 Sala Sismica INGV-Roma 113046271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-24 00:39:06 ± 0.08
Latitude 44.4563 ± 0.0072
Longitude 9.0765 ± 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 113113571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80040
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 113113571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-27 09:35:03

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 113046271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-24 00:45:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2022-12-24T00:40:24.83 3.0 undecidable manual Sg 1.52 0
IV.RM33.HNZ. 2022-12-24T00:40:10.85 3.0 undecidable manual Pg 7.33 0
SL.LJU.BHZ. 2022-12-24T00:40:06.07 3.0 undecidable manual Pn -4.79 0
IV.FOSV.EHZ. 2022-12-24T00:39:57.42 3.0 undecidable manual Pg 3.31 0
IV.VARE.HHZ. 2022-12-24T00:39:32.55 3.0 negative manual Pg -0.16 0
GU.RORO.HHZ. 2022-12-24T00:39:21.64 0.3 undecidable manual P 245 88.8444 50 0.02 66
GU.PCP.HHZ. 2022-12-24T00:39:20.46 0.3 undecidable manual S 283 43.0236 50 -0.25 68
IV.PLMA.HHZ. 2022-12-24T00:39:19.98 0.3 undecidable manual P 126 76.4679 50 0.26 64
GU.CANO.HHZ. 2022-12-24T00:39:18.95 0.3 undecidable manual P 248 72.0723 50 -0.1 67
IV.SARZ.HHN. 2022-12-24T00:39:15.72 0.3 undecidable manual P 344 47.3193 50 0.48 64
IV.BOB.HHE. 2022-12-24T00:39:15.19 0.1 undecidable manual P 40 45.3213 50 0.27 90
GU.GORR.HHZ. 2022-12-24T00:39:14.59 0.3 undecidable manual S 46 23.9538 110 -0.41 68
GU.PCP.HHZ. 2022-12-24T00:39:14.23 0.1 undecidable manual P 283 43.0236 50 -0.34 89
IV.MSSA.HHZ. 2022-12-24T00:39:13.63 0.3 undecidable manual P 114 38.2284 50 -0.2 69
GU.GORR.HHZ. 2022-12-24T00:39:11.23 0.1 positive manual P 46 23.9538 110 -0.05 98
IT.GNV.HGE. 2022-12-24T00:39:11.31 0.3 undecidable manual S 257 11.7771 126 0.08 75
GU.GENL.EHZ. 2022-12-24T00:39:10.60 0.1 undecidable manual S 236 10.1787 130 -0.19 97
GU.RNCA.HHZ. 2022-12-24T00:39:10.80 0.3 undecidable manual S 279 10.0788 130 0.04 75
GU.RNCA.HHZ. 2022-12-24T00:39:09.02 0.1 negative manual P 279 10.0788 130 0.19 97
IT.GNV.HGE. 2022-12-24T00:39:09.23 0.1 undecidable manual P 257 11.7771 126 0.13 98
GU.GENL.EHZ. 2022-12-24T00:39:08.91 0.1 undecidable manual P 236 10.1787 130 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GENL.EHN. ML:2.0 0.00127 0.1 AML other m 2022-12-24T00:39:10.79
GU.RNCA.HHN. ML:1.9 0.001178534 0.12 AML other m 2022-12-24T00:39:10.91
GU.GENL.EHE. ML:1.9 0.0010115 1.4 AML other m 2022-12-24T00:39:11.75
GU.RNCA.HHE. ML:2.4 0.0037343655 0.1 AML other m 2022-12-24T00:39:11.29
GU.GORR.HHN. ML:1.6 0.00023449999999999998 0.38 AML other m 2022-12-24T00:39:15.08
GU.GORR.HHE. ML:1.4 0.00017199999999999998 1.28 AML other m 2022-12-24T00:39:15.06
IV.MSSA.HHN. ML:1.8 0.000251 0.72 AML other m 2022-12-24T00:39:19.60
IV.MSSA.HHE. ML:1.8 0.0002405 0.1 AML other m 2022-12-24T00:39:21.66
IV.FOSV.EHE. ML:2.4 0.000027049999999999997 1.56 AML other m 2022-12-24T00:40:05.80
IV.FOSV.EHN. ML:2.4 0.00002281 0.54 AML other m 2022-12-24T00:40:09.85
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