Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 29-04-2017 and time 14:56:47 (Italy) in region 1 km S Camogli (GE)

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

  • 29-04-2017 12:56:47 (UTC)
  • 29-04-2017 14:56:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3370, 9.1580 at 7 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
Camogli GE 1 5378 5378
Recco GE 3 9752 15130
Santa Margherita Ligure GE 4 9338 24468
Avegno GE 5 2525 26993
Portofino GE 5 420 27413
Sori GE 6 4205 31618
Rapallo GE 6 29796 61414
Pieve Ligure GE 7 2544 63958
Bogliasco GE 8 4488 68446
Uscio GE 9 2284 70730
Zoagli GE 9 2472 73202
Tribogna GE 9 614 73816
Cicagna GE 10 2502 76318
Moconesi GE 10 2614 78932
Coreglia Ligure GE 11 285 79217
Lumarzo GE 12 1535 80752
Orero GE 12 565 81317
Leivi GE 13 2442 83759
San Colombano Certenoli GE 13 2683 86442
Bargagli GE 13 2708 89150
Neirone GE 13 916 90066
Chiavari GE 14 27398 117464
Lorsica GE 14 468 117932
Carasco GE 15 3733 121665
Lavagna GE 15 12791 134456
Favale di Malvaro GE 15 466 134922
Davagna GE 15 1884 136806
Cogorno GE 16 5676 142482
Mezzanego GE 18 1537 144019
Ne GE 19 2259 146278
Genova GE 20 586655 732933

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Genova (586655 inhabitants)
54 Km E of Savona (61345 inhabitants)
59 Km W of La Spezia (93959 inhabitants)
77 Km SE of Alessandria (93943 inhabitants)
80 Km W of Carrara (63133 inhabitants)
85 Km W of Massa (69479 inhabitants)
90 Km SW of Piacenza (102191 inhabitants)
94 Km S of Pavia (72576 inhabitants)
98 Km SE of Asti (76202 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 2017-04-29
12:56:47		 44.3373 9.1578 7 2018-01-10
09:56:13		 Bollettino Sismico Italiano INGV 50138591
Reviewed
Rev100 		ML 1.1 2017-04-29
12:56:47		 44.3423 9.1613 10 2017-04-29
13:08:12		 Sala Sismica INGV-Roma 44590671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-29 12:56:47 ± 0.16
Latitude 44.3373 ± 0.0099
Longitude 9.1578 ± 0.0088
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50138591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1068
Semi-minor axis of confidence ellipse (meter) 518
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73295
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 44590671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-29 13:08:12

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 50138591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-16 08:17:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
BA.PZUN.HHZ. 2017-04-29T12:58:21.37 3.0 positive manual Pn -0.48 0
IV.LRP.HHZ. 2017-04-29T12:58:05.77 3.0 undecidable manual Pg 10.42 0
CH.DAVOX.HHZ. 2017-04-29T12:58:05.12 3.0 undecidable manual Sg 2.79 0
TV.SF04.EHZ. 2017-04-29T12:58:04.31 3.0 undecidable manual Sg 2.87 0
IV.MA9.HHZ. 2017-04-29T12:57:50.32 3.0 undecidable manual Pg 2.99 0
IV.GIUL.HHZ. 2017-04-29T12:57:50.08 3.0 negative manual Pn -3.61 0
IV.TERO.HHZ. 2017-04-29T12:57:46.04 3.0 positive manual Pn -1.55 0
IV.MMO1.EHZ. 2017-04-29T12:57:45.41 3.0 undecidable manual Pn 2.12 0
MN.BNI.HHZ. 2017-04-29T12:57:25.06 3.0 undecidable manual Pg 2.28 0
GU.PCP.HHZ. 2017-04-29T12:57:04.83 0.6 undecidable manual S 295 53.502 50 -0.18 46
GU.EQUI.HHZ. 2017-04-29T12:57:01.90 0.3 undecidable manual P 103 81.3519 50 0.08 67
IV.PLMA.HHZ. 2017-04-29T12:56:59.32 0.3 undecidable manual P 120 63.8916 50 0.19 68
IV.BOB.HNE. 2017-04-29T12:56:58.02 0.6 undecidable manual P 26 53.0025 50 0.57 42
GU.GORR.HHZ. 2017-04-29T12:56:58.28 0.3 undecidable manual S 20 31.746 102 -0.34 70
GU.PCP.HHZ. 2017-04-29T12:56:57.18 0.1 undecidable manual P 295 53.502 50 -0.36 89
IV.MSSA.HHZ. 2017-04-29T12:56:57.34 0.6 undecidable manual S 95 28.6491 104 -0.22 48
GU.RNCA.HHZ. 2017-04-29T12:56:55.60 0.6 undecidable manual S 312 22.0668 107 0.22 49
GU.GORR.HHZ. 2017-04-29T12:56:54.11 0.1 undecidable manual P 20 31.746 102 0.26 95
IV.MSSA.HHZ. 2017-04-29T12:56:53.13 0.1 undecidable manual P 95 28.6491 104 -0.11 98
GU.RNCA.HHZ. 2017-04-29T12:56:52.06 0.1 undecidable manual P 312 22.0668 107 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHN. ML:1.0 0.00004875 0.48 AML other m 2017-04-29T12:56:59.62
GU.GORR.HHE. ML:1.2 0.00007335 1.28 AML other m 2017-04-29T12:56:59.92
IV.MSSA.HHE. ML:0.9 0.000041 1.46 AML other m 2017-04-29T12:57:00.25
IV.MSSA.HHN. ML:1.1 0.000061 0.56 AML other m 2017-04-29T12:57:03.46
GU.RNCA.HHN. ML:1.0 0.0000802 0.38 AML other m 2017-04-29T12:56:56.27
GU.RNCA.HHE. ML:1.2 0.00011549999999999999 0.14 AML other m 2017-04-29T12:56:56.27
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