Earthquake with magnitude of ML 2.1 on date 09-08-2009 and time 01:37:10 (Italy) in region 1 km NW Cerignale (PC)

A magnitude ML 2.1 earthquake occured in region: 1 km NW Cerignale (PC), on

  • 08-08-2009 23:37:10 (UTC)
  • 09-08-2009 01:37:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6890, 9.3430 at 2 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cerignale PC 1 127 127
Corte Brugnatella PC 4 586 713
Zerba PC 5 77 790
Brallo di Pregola PV 7 599 1389
Ottone PC 7 516 1905
Coli PC 8 879 2784
Bobbio PC 9 3577 6361
Gorreto GE 10 97 6458
Santa Margherita di Staffora PV 12 473 6931
Menconico PV 13 360 7291
Ferriere PC 13 1294 8585
Rovegno GE 13 554 9139
Carrega Ligure AL 15 84 9223
Fontanigorda GE 16 277 9500
Fascia GE 16 81 9581
Fabbrica Curone AL 17 656 10237
Romagnese PV 17 687 10924
Rondanina GE 17 62 10986
Santo Stefano d'Aveto GE 18 1126 12112
Farini PC 18 1290 13402
Rezzoaglio GE 18 995 14397
Propata GE 19 142 14539
Varzi PV 19 3279 17818
Montebruno GE 19 240 18058
Cabella Ligure AL 20 528 18586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NE of Genova (586655 inhabitants)
49 Km SW of Piacenza (102191 inhabitants)
57 Km S of Pavia (72576 inhabitants)
63 Km E of Alessandria (93943 inhabitants)
73 Km SW of Cremona (71901 inhabitants)
75 Km NW of La Spezia (93959 inhabitants)
79 Km W of Parma (192836 inhabitants)
80 Km SE of Vigevano (63310 inhabitants)
80 Km NE of Savona (61345 inhabitants)
87 Km S of Milano (1345851 inhabitants)
91 Km NW of Carrara (63133 inhabitants)
93 Km E of Asti (76202 inhabitants)
94 Km S of Sesto San Giovanni (81608 inhabitants)
96 Km NW of Massa (69479 inhabitants)
96 Km S of Rho (50434 inhabitants)
97 Km S of Cinisello Balsamo (75078 inhabitants)
100 Km S of Monza (122671 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 2.1 2009-08-08
23:37:10
44.689 9.343 2 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 945029
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-08-08 23:37:10 ± 0.08
Latitude 44.6890 ± 0.0045
Longitude 9.3430 ± 0.0076
Depth (km) 2 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 945029

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 579
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 304
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.78156
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 26
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 945029
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:01:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.EHE. 2009-08-08T23:38:15.81 10.0 undecidable manual Sg 0 0 0
IV.MTGR.SHZ. 2009-08-08T23:38:01.11 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHZ. 2009-08-08T23:38:00.06 0.6 undecidable manual Sg 51 171.9945 -0.513 32
IV.ZCCA.HHN. 2009-08-08T23:37:59.36 10.0 undecidable manual Sg 0 0 0
IV.MAGA.HHZ. 2009-08-08T23:37:56.29 0.6 undecidable manual Sg 39 156.8208 -0.253 37
IV.RAVA.EHN. 2009-08-08T23:37:56.93 10.0 undecidable manual Pg 0 0 0
CH.BNALP.HHE. 2009-08-08T23:37:50.49 10.0 undecidable manual Pg 0 0 0
IV.CTI.EHE. 2009-08-08T23:37:48.11 10.0 undecidable manual Pg 0 0 0
CH.DAVOX.HHN. 2009-08-08T23:37:48.20 10.0 undecidable manual Pg 0 0 0
CH.FUORN.HHN. 2009-08-08T23:37:46.86 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2009-08-08T23:37:44.88 10.0 undecidable manual Pg 0 0 0
IV.BRMO.HHN. 2009-08-08T23:37:44.25 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHZ. 2009-08-08T23:37:44.70 10.0 undecidable manual Pg 0 0 0
CH.FUSIO.HHE. 2009-08-08T23:37:44.63 10.0 undecidable manual Pg 0 0 0
MN.TUE.HHN. 2009-08-08T23:37:42.70 0.6 undecidable manual Pg 0 197.7576 -0.131 30
CH.MMK.HHN. 2009-08-08T23:37:41.72 0.3 undecidable manual Pg 325 185.37 0.426 46
GU.FINB.HHN. 2009-08-08T23:37:40.93 0.6 undecidable manual Sg 235 98.6235 -0.064 44
IV.FNVD.HHZ. 2009-08-08T23:37:39.97 10.0 undecidable manual Pg 0 0 0
IV.ERBM.EHZ. 2009-08-08T23:37:39.74 0.6 undecidable manual Sg 109 89.7435 1.124 31
IV.MABI.HHZ. 2009-08-08T23:37:39.39 0.6 undecidable manual Pg 31 176.8896 -0.604 30
IV.DOI.HHZ. 2009-08-08T23:37:38.96 0.3 undecidable manual Pg 264 166.8108 0.507 49
IV.ZCCA.HHN. 2009-08-08T23:37:38.58 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHZ. 2009-08-08T23:37:38.15 0.1 undecidable manual Pg 51 171.9945 -1.092 50
GU.STV.HHE. 2009-08-08T23:37:38.90 0.6 undecidable manual Pg 254 167.1105 0.408 34
GU.RSP.HHE. 2009-08-08T23:37:38.50 0.1 undecidable manual Pg 288 170.9955 -0.586 63
GU.BHB.HHZ. 2009-08-08T23:37:38.13 0.1 undecidable manual Pg 276 164.613 0.027 74
IV.CESI.HHN. 2009-08-08T23:37:36.90 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHZ. 2009-08-08T23:37:36.60 0.3 undecidable manual Pg 39 156.8208 -0.31 54
IV.SALO.HHE. 2009-08-08T23:37:34.93 0.6 undecidable manual Pg 41 138.4614 0.858 32
IV.PII.SHZ. 2009-08-08T23:37:34.72 0.6 undecidable manual Pg 138 142.6461 -0.005 40
IV.PZZT.HHN. 2009-08-08T23:37:33.61 0.3 undecidable manual Pg 117 135.3645 0.014 61
IV.MONC.HHZ. 2009-08-08T23:37:33.15 10.0 undecidable manual Pg 0 0 0
CH.MUGIO.HHZ. 2009-08-08T23:37:33.99 0.1 undecidable manual Pg 350 138.7611 -0.129 79
IV.MDI.HHZ. 2009-08-08T23:37:31.90 0.3 undecidable manual Pg 14 123.3876 0.15 61
GU.PCP.HHN. 2009-08-08T23:37:31.58 0.6 undecidable manual Sg 256 65.0904 -0.475 43
GU.MAIM.HHZ. 2009-08-08T23:37:31.25 0.6 undecidable manual Pg 133 125.2746 -0.804 33
GU.RORO.HHZ. 2009-08-08T23:37:31.40 0.1 undecidable manual Pg 238 119.7912 0.205 81
IV.BDI.HHZ. 2009-08-08T23:37:31.37 0.3 undecidable manual Pg 125 121.2897 -0.071 62
IV.GSCL.SHZ. 2009-08-08T23:37:29.39 0.3 undecidable manual Pg 110 105.4167 0.406 60
GU.FINB.HHN. 2009-08-08T23:37:28.44 0.1 undecidable manual Pg 235 98.6235 0.503 80
MN.VLC.HHN. 2009-08-08T23:37:28.82 0.1 undecidable manual Pg 125 101.4207 0.449 80
IV.QLNO.HHZ. 2009-08-08T23:37:26.87 0.1 undecidable manual Pg 243 88.6446 0.463 82
IV.ERBM.EHZ. 2009-08-08T23:37:26.71 0.3 undecidable manual Pg 109 89.7435 0.148 66
IV.MSSA.HHZ. 2009-08-08T23:37:24.54 0.3 undecidable manual Sg 161 43.623 -0.7 61
GU.SC2M.HHZ. 2009-08-08T23:37:22.32 0.3 undecidable manual Sg 154 35.0427 0.055 74
GU.PCP.HHN. 2009-08-08T23:37:22.26 0.1 undecidable manual Pg 256 65.0904 -0.514 85
IV.PRMA.HHE. 2009-08-08T23:37:22.14 10.0 undecidable manual Pg 0 0 0
BA.PZUN.HHZ. 2009-08-08T23:37:20.90 10.0 undecidable manual Pg 0 0 0
IV.MSSA.HHZ. 2009-08-08T23:37:18.54 0.1 undecidable manual Pg 161 43.623 -0.299 92
GU.SC2M.HHZ. 2009-08-08T23:37:17.17 0.1 undecidable manual Pg 154 35.0427 0.051 99
IV.BOB.HHE. 2009-08-08T23:37:14.39 0.3 undecidable manual Sg 43 11.9769 0.095 76
IV.BOB.HHE. 2009-08-08T23:37:12.70 0.1 undecidable manual Pg 43 11.9769 0.183 100
IV.FAGN.HHN. 2009-08-08T23:37:12.26 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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