Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 18-10-2009 and time 14:39:45 (UTC) in region 3 km N Montefiorino (MO)

A magnitude ML 2.3 earthquake occured in region: 3 km N Montefiorino (MO), on

  • 18-10-2009 14:39:45 (UTC)
  • 18-10-2009 16:39:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3900, 10.6170 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
Montefiorino MO 3 2203 2203
Toano RE 5 4463 6666
Prignano sulla Secchia MO 8 3747 10413
Palagano MO 8 2194 12607
Polinago MO 10 1672 14279
Carpineti RE 11 4064 18343
Frassinoro MO 11 1926 20269
Baiso RE 12 3315 23584
Villa Minozzo RE 12 3750 27334
Lama Mocogno MO 13 2734 30068
Serramazzoni MO 14 8282 38350
Castellarano RE 16 15232 53582
Casina RE 16 4504 58086
Castelnovo ne' Monti RE 18 10465 68551
Montecreto MO 18 940 69491
Viano RE 18 3374 72865
Riolunato MO 18 712 73577
Pavullo nel Frignano MO 18 17383 90960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Reggio nell'Emilia (171345 inhabitants)
38 Km SW of Modena (184973 inhabitants)
49 Km SW of Carpi (70699 inhabitants)
51 Km SE of Parma (192836 inhabitants)
54 Km NE of Carrara (63133 inhabitants)
54 Km NE of Massa (69479 inhabitants)
56 Km NW of Pistoia (90315 inhabitants)
59 Km W of Bologna (386663 inhabitants)
61 Km N of Lucca (89046 inhabitants)
65 Km NE of Viareggio (62467 inhabitants)
68 Km NW of Prato (191150 inhabitants)
70 Km E of La Spezia (93959 inhabitants)
77 Km N of Pisa (89158 inhabitants)
83 Km NW of Scandicci (50609 inhabitants)
86 Km NW of Firenze (382808 inhabitants)
87 Km W of Imola (69797 inhabitants)
94 Km SW of Ferrara (133155 inhabitants)
95 Km SE of Cremona (71901 inhabitants)
96 Km N of Livorno (159219 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 		Md 2.4
ML 2.3 		2009-10-18
14:39:45		 44.39 10.617 8 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 980939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-10-18 14:39:45 ± 0.12
Latitude 44.3900 ± 0.0054
Longitude 10.6170 ± 0.0076
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 980939

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 613
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 848.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.38406
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 980939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:46:03

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 980939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 18:46:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2009-10-18T14:40:41.02 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHE. 2009-10-18T14:40:37.83 10.0 undecidable manual Sg 0 0 0
IV.CRMI.HHZ. 2009-10-18T14:40:35.66 10.0 undecidable manual Pg 0 0 0
IV.ORI.HHZ. 2009-10-18T14:40:32.84 10.0 undecidable manual Pg 0 0 0
CH.BERNI.HHN. 2009-10-18T14:40:31.21 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHN. 2009-10-18T14:40:30.44 0.6 undecidable manual Sg 0 153.6351 0.496 35
IV.ROVR.HHN. 2009-10-18T14:40:27.34 0.6 undecidable manual Sg 14 143.9448 0 39
IV.TEOL.HHN. 2009-10-18T14:40:26.43 0.6 undecidable manual Sg 37 136.0638 1.178 28
IV.PARC.HHE. 2009-10-18T14:40:26.95 10.0 undecidable manual Pg 0 0 0
IV.MABI.HHE. 2009-10-18T14:40:15.91 10.0 undecidable manual Pg 0 0 0
GU.SC2M.HHZ. 2009-10-18T14:40:12.89 0.6 undecidable manual Sg 271 85.8474 1.055 33
IV.MAGA.HHN. 2009-10-18T14:40:10.91 0.3 undecidable manual Pg 0 153.6351 -0.387 53
IV.CRE.HHE. 2009-10-18T14:40:09.26 10.0 undecidable manual Pg 0 0 0
IV.ROVR.HHN. 2009-10-18T14:40:09.05 0.3 undecidable manual Pg 14 143.9448 -0.742 49
IV.TEOL.HHN. 2009-10-18T14:40:08.48 0.6 undecidable manual Pg 37 136.0638 -0.106 40
IV.PIEI.HHZ. 2009-10-18T14:40:04.65 10.0 undecidable manual Pg 0 0 0
IV.PRMA.HHZ. 2009-10-18T14:40:03.20 0.6 undecidable manual Sg 330 47.9187 1.485 28
IV.FNVD.HHE. 2009-10-18T14:40:02.05 0.6 undecidable manual Sg 121 47.1195 0.546 43
IV.NOVE.EHE. 2009-10-18T14:40:01.13 0.6 undecidable manual Sg 10 45.9207 -0.063 47
IV.VMG.SHZ. 2009-10-18T14:40:01.47 0.3 undecidable manual Pg 122 87.7455 0.338 63
GU.SC2M.HHZ. 2009-10-18T14:40:00.64 0.3 undecidable manual Pg 271 85.8474 -0.2 64
IV.MSSA.HHN. 2009-10-18T14:40:00.86 0.1 undecidable manual Pg 265 87.6456 -0.255 84
GU.FIVI.HLZ. 2009-10-18T14:40:00.51 0.3 undecidable manual Sg 247 42.3243 0.293 70
IV.SEI.SHZ. 2009-10-18T14:39:58.35 0.3 undecidable manual Pg 122 69.6747 -0.006 69
IV.PZZT.HHZ. 2009-10-18T14:39:58.89 0.3 undecidable manual Sg 146 34.6431 0.716 60
IV.BDI.HHZ. 2009-10-18T14:39:58.53 0.3 undecidable manual Sg 183 36.3414 -0.102 71
IV.PII.SHZ. 2009-10-18T14:39:58.92 0.3 undecidable manual Pg 186 74.4699 -0.167 66
MN.VLC.HHZ. 2009-10-18T14:39:57.55 0.3 undecidable manual Sg 216 31.4463 0.44 67
IV.PRMA.HHZ. 2009-10-18T14:39:55.09 0.6 undecidable manual Pg 330 47.9187 0.093 47
IV.FNVD.HHE. 2009-10-18T14:39:54.40 0.1 undecidable manual Pg 121 47.1195 -0.477 87
IV.NOVE.EHE. 2009-10-18T14:39:54.41 0.1 undecidable manual Pg 10 45.9207 -0.285 91
GU.FIVI.HLZ. 2009-10-18T14:39:53.56 0.1 undecidable manual Pg 247 42.3243 -0.575 84
IV.ERBM.EHZ. 2009-10-18T14:39:52.60 0.6 undecidable manual Sg 281 16.5723 0.386 46
MN.VLC.HHZ. 2009-10-18T14:39:52.25 0.1 undecidable manual Pg 216 31.4463 -0.089 98
IV.PZZT.HHZ. 2009-10-18T14:39:52.63 0.3 undecidable manual Pg 146 34.6431 -0.324 70
IV.ZCCA.HHZ. 2009-10-18T14:39:52.06 0.1 undecidable manual Pg 99 28.8489 0.235 94
IV.BDI.HHZ. 2009-10-18T14:39:52.95 0.1 undecidable manual Pg 183 36.3414 -0.269 93
IV.ERBM.EHZ. 2009-10-18T14:39:49.36 0.1 undecidable manual Pg 281 16.5723 -0.153 100
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