Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 08-03-2022 and time 02:06:46 (UTC) in region 3 km SE Borzonasca (GE)

A magnitude ML 2.3 earthquake occured in region: 3 km SE Borzonasca (GE), on

  • 08-03-2022 02:06:46 (UTC)
  • 08-03-2022 03:06:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4040, 9.4180 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.

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
Borzonasca GE 3 2049 2049
Mezzanego GE 4 1537 3586
Ne GE 7 2259 5845
Carasco GE 8 3733 9578
San Colombano Certenoli GE 9 2683 12261
Cogorno GE 10 5676 17937
Leivi GE 10 2442 20379
Orero GE 11 565 20944
Lorsica GE 12 468 21412
Maissana SP 12 616 22028
Coreglia Ligure GE 12 285 22313
Chiavari GE 12 27398 49711
Lavagna GE 12 12791 62502
Favale di Malvaro GE 14 466 62968
Rezzoaglio GE 14 995 63963
Zoagli GE 14 2472 66435
Cicagna GE 14 2502 68937
Varese Ligure SP 14 2059 70996
Casarza Ligure GE 15 6826 77822
Sestri Levante GE 15 18578 96400
Rapallo GE 16 29796 126196
Castiglione Chiavarese GE 16 1616 127812
Moconesi GE 16 2614 130426
Santo Stefano d'Aveto GE 16 1126 131552
Tribogna GE 18 614 132166
Santa Margherita Ligure GE 18 9338 141504
Fontanigorda GE 18 277 141781
Tornolo PR 19 1010 142791
Neirone GE 19 916 143707
Montebruno GE 19 240 143947
Moneglia GE 19 2809 146756
Portofino GE 20 420 147176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Genova (586655 inhabitants)
46 Km NW of La Spezia (93959 inhabitants)
65 Km NW of Carrara (63133 inhabitants)
71 Km NW of Massa (69479 inhabitants)
75 Km E of Savona (61345 inhabitants)
75 Km SW of Piacenza (102191 inhabitants)
85 Km SW of Parma (192836 inhabitants)
85 Km SE of Alessandria (93943 inhabitants)
89 Km NW of Viareggio (62467 inhabitants)
89 Km S of Pavia (72576 inhabitants)
94 Km SW of Cremona (71901 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 2.3 2022-03-08
02:06:46		 44.4037 9.4183 10 2022-07-08
12:33:35		 Bollettino Sismico Italiano INGV 101816211
Reviewed
Rev100 		ML 2.3 2022-03-08
02:06:46		 44.4203 9.4238 9 2022-03-08
02:16:59		 Sala Sismica INGV-Roma 101773841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-08 02:06:46 ± 0.14
Latitude 44.4037 ± 0.0090
Longitude 9.4183 ± 0.0088
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 101816211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1027
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.56127
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 101816211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-12 13:11:03

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 101773841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-08 02:16:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2022-03-08T02:08:34.91 3.0 undecidable manual Sg 11.51 0
IV.CDRU.HHZ. 2022-03-08T02:08:21.19 3.0 undecidable manual Pn 5.52 0
IV.SRES.HHZ. 2022-03-08T02:08:19.78 3.0 undecidable manual Sn 1.86 0
IV.MURB.HHZ. 2022-03-08T02:08:02.93 3.0 undecidable manual Sn -0.18 0
IV.MURB.HHZ. 2022-03-08T02:07:34.73 3.0 undecidable manual Pg 4.85 0
IV.ATFO.HHZ. 2022-03-08T02:07:33.44 3.0 undecidable manual Pg 3.78 0
CH.BNALP.HHZ. 2022-03-08T02:07:31.94 0.3 undecidable manual P 345 284.3043 38 2.75 3
IV.PII.HHZ. 2022-03-08T02:07:20.18 0.6 undecidable manual S 130 116.1948 50 -0.57 37
SI.LUSI.HHZ. 2022-03-08T02:07:20.34 0.6 undecidable manual P 34 209.7345 38 0.42 27
IV.MABI.HHZ. 2022-03-08T02:07:19.76 0.3 undecidable manual P 25 202.1421 38 0.78 36
RD.PGF.BHZ. 2022-03-08T02:07:19.00 3.0 negative manual Pn -1.81 0
ST.RONC.EHZ. 2022-03-08T02:07:19.66 0.6 undecidable manual P 28 198.6567 38 1.13 21
ST.VARA.EHZ. 2022-03-08T02:07:19.02 0.3 undecidable manual P 36 195.6597 38 0.86 37
GU.CIRO.HHZ. 2022-03-08T02:07:18.80 0.3 undecidable manual P 313 196.7586 38 0.49 42
IV.MBAL.EHZ. 2022-03-08T02:07:17.06 0.6 undecidable manual P 38 182.5839 38 0.52 30
IV.BDI.HHZ. 2022-03-08T02:07:16.42 0.6 undecidable manual S 112 100.9212 50 -0.26 42
GU.BHB.HHZ. 2022-03-08T02:07:15.22 0.6 undecidable manual P 286 176.7897 38 -0.6 30
IV.MDI.HHZ. 2022-03-08T02:07:14.16 0.3 undecidable manual P 9 153.3354 50 1.96 24
GU.CARD.HHZ. 2022-03-08T02:07:14.08 0.6 undecidable manual S 116 94.3389 50 -0.85 35
GU.PCP.HHZ. 2022-03-08T02:07:08.44 0.6 undecidable manual S 283 70.7736 50 -0.19 45
IV.PII.HHZ. 2022-03-08T02:07:06.20 0.3 undecidable manual P 130 116.1948 50 -0.28 60
GU.RORO.HHZ. 2022-03-08T02:07:06.03 0.3 undecidable manual P 254 112.0989 50 0.17 62
GU.EQUI.HHZ. 2022-03-08T02:07:05.61 0.6 undecidable manual S 114 63.9915 50 -1.22 31
IV.BDI.HHZ. 2022-03-08T02:07:04.23 0.3 undecidable manual P 112 100.9212 50 0.1 64
GU.CANO.HHZ. 2022-03-08T02:07:03.97 0.3 undecidable manual P 257 96.2259 50 0.56 58
GU.GSCL.HHZ. 2022-03-08T02:07:03.55 0.1 undecidable manual P 93 92.9403 50 0.66 75
GU.CARD.HHZ. 2022-03-08T02:07:03.24 0.3 undecidable manual P 116 94.3389 50 0.12 65
IV.BOB.HHZ. 2022-03-08T02:07:00.09 0.6 undecidable manual S 3 40.4262 50 -0.45 45
GU.PCP.HHZ. 2022-03-08T02:06:59.54 0.1 negative manual P 283 70.7736 50 0.06 92
IV.SARZ.HHN. 2022-03-08T02:06:59.18 0.6 undecidable manual P 322 65.0904 50 0.58 41
GU.RNCA.HHZ. 2022-03-08T02:06:59.42 0.6 undecidable manual S 282 37.7289 50 -0.4 45
GU.GENL.EHZ. 2022-03-08T02:06:59.10 0.6 undecidable manual S 271 35.5422 50 -0.13 48
GU.EQUI.HHZ. 2022-03-08T02:06:58.23 0.3 undecidable manual P 114 63.9915 50 -0.21 68
GU.FIVI.HNE. 2022-03-08T02:06:57.60 0.3 undecidable manual P 108 59.0964 50 -0.09 70
GU.GRAM.HHZ. 2022-03-08T02:06:56.32 0.3 undecidable manual P 79 52.1034 50 -0.28 68
GU.GORR.HHZ. 2022-03-08T02:06:55.06 0.6 undecidable manual S 336 24.6531 112 -1.12 35
GU.RNCA.HHZ. 2022-03-08T02:06:54.23 0.1 negative manual P 282 37.7289 50 -0.16 95
IV.BOB.HHZ. 2022-03-08T02:06:54.53 0.1 positive manual P 3 40.4262 50 -0.28 93
GU.GENL.EHZ. 2022-03-08T02:06:54.06 0.3 undecidable manual P 271 35.5422 50 0.01 74
IV.MSSA.HHZ. 2022-03-08T02:06:52.76 0.6 undecidable manual S 141 12.4764 128 0.29 49
GU.GORR.HHZ. 2022-03-08T02:06:51.78 0.1 positive manual P 336 24.6531 112 -0.51 90
IV.MSSA.HHZ. 2022-03-08T02:06:50.30 0.1 undecidable manual P 141 12.4764 128 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHE. ML:2.6 0.002495902 0.2816 AML other m 2022-03-08T02:06:55.19
GU.GORR.HHN. ML:2.7 0.002985702 0.1792 AML other m 2022-03-08T02:06:55.63
GU.RNCA.HHN. ML:2.0 0.00037480215 0.28 AML other m 2022-03-08T02:06:59.64
IV.BOB.HHE. ML:1.9 0.0002817552 0.1808 AML other m 2022-03-08T02:07:00.38
GU.RNCA.HHE. ML:2.0 0.0003678466 0.16 AML other m 2022-03-08T02:07:00.79
IV.BOB.HHN. ML:1.9 0.00028274880000000004 0.2208 AML other m 2022-03-08T02:07:01.54
IV.BOB.HNN. ML:2.2 0.0004830217 0.6208 AML other m 2022-03-08T02:07:05.18
IV.BOB.HNE. ML:2.2 0.0005329010000000001 0.6112 AML other m 2022-03-08T02:07:07.14
GU.GRAM.HHE. ML:2.2 0.0004195 0.36 AML other m 2022-03-08T02:07:07.25
GU.EQUI.HHN. ML:2.1 0.000243 0.32 AML other m 2022-03-08T02:07:07.49
GU.EQUI.HHE. ML:1.8 0.00010595473 0.0992 AML other m 2022-03-08T02:07:07.46
GU.RORO.HHE. ML:2.8 0.00049660585 1.2192 AML other m 2022-03-08T02:07:10.52
GU.PCP.HHN. ML:1.5 0.000056999999999999996 0.82 AML other m 2022-03-08T02:07:10.57
GU.GRAM.HHN. ML:2.0 0.0002401932 0.2208 AML other m 2022-03-08T02:07:11.53
GU.PCP.HHE. ML:1.6 0.00007189999999999999 0.94 AML other m 2022-03-08T02:07:11.43
IV.MDI.HNN. ML:2.8 0.000275260625 0.8592 AML other m 2022-03-08T02:07:15.13
GU.CARD.HHE. ML:2.6 0.000455 0.16 AML other m 2022-03-08T02:07:17.96
GU.CARD.HHN. ML:2.7 0.0005135000000000001 0.26 AML other m 2022-03-08T02:07:18.05
GU.CANO.HHE. ML:2.5 0.000331 0.56 AML other m 2022-03-08T02:07:18.67
RD.PGF.BHE. ML:1.7 0.000012858946499999999 1.4 AML other m 2022-03-08T02:07:18.45
GU.CANO.HHN. ML:2.5 0.0003202686 0.2592 AML other m 2022-03-08T02:07:18.37
GU.BHB.HHE. ML:1.9 0.000030234924999999996 0.2992 AML other m 2022-03-08T02:07:19.63
IV.BDI.HHE. ML:2.4 0.0002375 0.32 AML other m 2022-03-08T02:07:19.88
IV.BDI.HNE. ML:2.4 0.00023359605 0.32 AML other m 2022-03-08T02:07:19.73
GU.GSCL.HHN. ML:2.0 0.0001223557 0.5808 AML other m 2022-03-08T02:07:20.18
GU.GSCL.HHE. ML:2.1 0.00013049915 0.28 AML other m 2022-03-08T02:07:20.34
GU.RORO.HHN. ML:2.0 0.000078757865 0.2384 AML other m 2022-03-08T02:07:20.91
IV.PII.HHE. ML:2.7 0.0004205 0.24 AML other m 2022-03-08T02:07:21.66
IV.BDI.HNN. ML:2.2 0.000170835155 0.32 AML other m 2022-03-08T02:07:21.93
IV.BDI.HHN. ML:2.2 0.00016 0.36 AML other m 2022-03-08T02:07:21.77
IV.PII.HHN. ML:2.5 0.000251 0.18 AML other m 2022-03-08T02:07:22.54
ST.VARA.HNN. ML:2.6 0.00012980125 1.12 AML other m 2022-03-08T02:07:26.91
IV.MDI.HNE. ML:2.4 0.000132507415 0.3504 AML other m 2022-03-08T02:07:34.75
IV.MDI.HHN. ML:2.2 0.000067641045 0.28 AML other m 2022-03-08T02:07:35.93
IV.MDI.HHE. ML:2.2 0.000082309345 0.2192 AML other m 2022-03-08T02:07:35.89
IV.ATFO.HNE. ML:3.0 0.00015714499999999997 0.5312 AML other m 2022-03-08T02:07:36.35
IV.MURB.HHN. ML:2.5 0.000042814656 0.84 AML other m 2022-03-08T02:07:36.11
IV.MURB.HNN. ML:2.9 0.00011326079 0.0496 AML other m 2022-03-08T02:07:38.17
IV.MBAL.EHN. ML:1.9 0.000030414779999999997 0.0992 AML other m 2022-03-08T02:07:39.87
IV.MBAL.EHE. ML:2.0 0.00003978677 0.16 AML other m 2022-03-08T02:07:42.79
ST.VARA.EHN. ML:1.7 0.000013061989999999999 0.6992 AML other m 2022-03-08T02:07:43.69
GU.CIRO.HHE. ML:2.0 0.000030021430000000002 0.2992 AML other m 2022-03-08T02:07:44.41
GU.CIRO.HHN. ML:2.0 0.000030997135000000004 0.4816 AML other m 2022-03-08T02:07:46.39
CH.BNALP.HHE. ML:2.6 0.000056301464999999994 3.1312 AML other m 2022-03-08T02:07:46.40
CH.BNALP.HHN. ML:2.7 0.00007226215999999999 5.1696 AML other m 2022-03-08T02:07:48.61
IV.MBAL.HNE. ML:2.6 0.0001419991 0.68 AML other m 2022-03-08T02:07:52.32
GU.BHB.HHN. ML:1.8 0.000022999519500000002 1 AML other m 2022-03-08T02:07:51.50
ST.VARA.EHE. ML:2.3 0.000062431235 0.36 AML other m 2022-03-08T02:07:52.00
IV.ATFO.HHN. ML:2.4 0.000037359685000000007 0.96 AML other m 2022-03-08T02:07:53.96
IV.MBAL.HNN. ML:2.6 0.00014715935 0.6592 AML other m 2022-03-08T02:07:53.93
RD.PGF.BHN. ML:1.9 0.000021932720000000002 1.36 AML other m 2022-03-08T02:07:54.49
ST.VARA.HNE. ML:2.4 0.000074459795 0.84 AML other m 2022-03-08T02:07:56.62
IV.ATFO.HNN. ML:2.8 0.000092232891 0.5408 AML other m 2022-03-08T02:07:56.61
IV.ATFO.HHE. ML:2.4 0.000032529733499999996 1 AML other m 2022-03-08T02:07:58.34
IV.MURB.HNE. ML:2.9 0.00012186773500000001 0.5712 AML other m 2022-03-08T02:08:26.80
IV.MURB.HHE. ML:2.7 0.00006931321 1.5392 AML other m 2022-03-08T02:08:26.25
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