Earthquake with magnitude of ML 2.3 on date 27-11-2009 and time 21:42:44 (Italy) in region 5 km NW Tredozio (FC)

A magnitude ML 2.3 earthquake occured in region: 5 km NW Tredozio (FC), on

  • 27-11-2009 20:42:44 (UTC)
  • 27-11-2009 21:42:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1120, 11.7030 at 30 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
Tredozio FC 5 1212 1212
Marradi FI 8 3139 4351
Modigliana FC 9 4560 8911
Portico e San Benedetto FC 11 756 9667
Palazzuolo sul Senio FI 12 1154 10821
Rocca San Casciano FC 13 1910 12731
Brisighella RA 13 7639 20370
Casola Valsenio RA 14 2617 22987
Dovadola FC 15 1653 24640
Premilcuore FC 16 799 25439
Riolo Terme RA 18 5720 31159
Castel del Rio BO 19 1246 32405
Fontanelice BO 20 1943 34348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Faenza (58541 inhabitants)
27 Km S of Imola (69797 inhabitants)
30 Km W of Forlì (117913 inhabitants)
43 Km W of Cesena (96758 inhabitants)
51 Km SE of Bologna (386663 inhabitants)
52 Km NE of Firenze (382808 inhabitants)
52 Km SW of Ravenna (159116 inhabitants)
55 Km E of Prato (191150 inhabitants)
57 Km NE of Scandicci (50609 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
69 Km W of Rimini (147750 inhabitants)
73 Km N of Arezzo (99543 inhabitants)
81 Km S of Ferrara (133155 inhabitants)
86 Km SE of Modena (184973 inhabitants)
93 Km NE of Siena (53903 inhabitants)
99 Km SE of Carpi (70699 inhabitants)
99 Km W of Pesaro (94582 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 2009-11-27
20:42:44
44.112 11.703 30 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 995189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-11-27 20:42:44 ± 0.15
Latitude 44.1120 ± 0.0117
Longitude 11.7030 ± 0.0125
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 995189

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1194
Semi-minor axis of confidence ellipse (meter) 839
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.24916
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 995189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:03:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHN. 2009-11-27T20:44:25.23 10.0 undecidable manual Sg 0 0 0
IV.CSLB.SHZ. 2009-11-27T20:44:22.12 10.0 undecidable manual Pg 0 0 0
IV.ORI.HHN. 2009-11-27T20:44:17.80 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHE. 2009-11-27T20:44:00.52 10.0 undecidable manual Pg 0 0 0
SI.ABSI.BHE. 2009-11-27T20:43:56.20 10.0 undecidable manual Pg 0 0 0
NI.PALA.HHE. 2009-11-27T20:43:50.18 10.0 undecidable manual Pg 0 0 0
NI.VINO.HHE. 2009-11-27T20:43:50.50 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHN. 2009-11-27T20:43:38.56 10.0 undecidable manual Sg 0 0 0
IV.LNSS.HHE. 2009-11-27T20:43:37.06 10.0 undecidable manual Sg 0 0 0
NI.CGRP.HHE. 2009-11-27T20:43:35.15 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHE. 2009-11-27T20:43:33.61 10.0 undecidable manual Sg 0 0 0
IV.CING.HHN. 2009-11-27T20:43:28.62 10.0 undecidable manual Sg 0 0 0
IV.GUMA.HHE. 2009-11-27T20:43:21.07 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHN. 2009-11-27T20:43:20.27 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHE. 2009-11-27T20:43:17.35 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2009-11-27T20:43:14.42 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-11-27T20:43:13.97 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2009-11-27T20:43:11.21 10.0 undecidable manual Pg 0 0 0
IV.CDCA.EHN. 2009-11-27T20:43:09.98 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHE. 2009-11-27T20:43:08.18 10.0 undecidable manual Pg 0 0 0
IV.CSNT.HHZ. 2009-11-27T20:43:08.89 0.6 undecidable manual Sg 205 78.1662 0.679 38
IV.FIR.HHE. 2009-11-27T20:43:07.69 10.0 undecidable manual Sg 0 0 0
IV.GRFL.SHZ. 2009-11-27T20:43:06.42 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHN. 2009-11-27T20:43:06.96 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHZ. 2009-11-27T20:43:06.13 10.0 undecidable manual Pg 0 0 0
IV.MGAB.HHE. 2009-11-27T20:43:06.61 0.3 undecidable manual Pg 166 137.0628 0.457 57
IV.TEOL.HHZ. 2009-11-27T20:43:05.84 0.1 undecidable manual Pg 359 138.6612 -0.504 72
IV.CRE.HHZ. 2009-11-27T20:43:03.90 0.6 undecidable manual Sg 160 58.1973 0.737 39
IV.FIR.HHE. 2009-11-27T20:43:02.09 10.0 undecidable manual Pg 0 0 0
IV.GSCL.SHZ. 2009-11-27T20:43:02.13 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2009-11-27T20:43:01.34 0.3 undecidable manual Pg 118 97.6245 0.379 63
IV.FNVD.HHZ. 2009-11-27T20:43:01.32 0.6 undecidable manual Sg 278 46.5201 0.992 36
IV.PII.SHZ. 2009-11-27T20:43:01.05 0.1 undecidable manual Pg 246 103.6185 -0.81 71
IV.CAFI.HHZ. 2009-11-27T20:43:00.11 0.3 undecidable manual Pg 166 89.3439 0.387 63
IV.BDI.HHZ. 2009-11-27T20:42:59.56 0.6 undecidable manual Pg 267 88.245 0.007 46
IV.PIEI.HHE. 2009-11-27T20:42:59.93 0.3 undecidable manual Pg 134 92.3409 -0.237 65
IV.CSNT.HHZ. 2009-11-27T20:42:58.35 0.6 undecidable manual Pg 205 78.1662 0.296 44
IV.BLLA.EHN. 2009-11-27T20:42:58.61 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHZ. 2009-11-27T20:42:58.08 0.3 undecidable manual Pg 147 79.6647 -0.195 68
IV.ASQU.HHZ. 2009-11-27T20:42:58.04 0.3 undecidable manual Sg 169 35.6421 0.202 72
IV.RSM.HHE. 2009-11-27T20:42:56.41 0.1 undecidable manual Pg 108 62.8926 0.591 85
IV.SEI.SHZ. 2009-11-27T20:42:56.59 0.6 undecidable manual Sg 257 28.1496 0.321 48
IV.PARC.HHZ. 2009-11-27T20:42:56.03 0.1 undecidable manual Pg 140 66.8775 -0.367 89
IV.CRMI.HHN. 2009-11-27T20:42:56.43 0.3 undecidable manual Pg 239 68.5758 -0.205 69
IV.SFI.EHN. 2009-11-27T20:42:55.31 0.3 undecidable manual Sg 153 25.752 -0.492 71
IV.CRE.HHZ. 2009-11-27T20:42:55.29 0.1 undecidable manual Pg 160 58.1973 0.15 94
IV.VMG.SHZ. 2009-11-27T20:42:54.73 0.6 undecidable manual Sg 217 20.9679 -0.23 51
IV.FNVD.HHZ. 2009-11-27T20:42:53.59 0.3 undecidable manual Pg 278 46.5201 0.09 73
IV.MTRZ.HHZ. 2009-11-27T20:42:52.08 0.1 undecidable manual Pg 315 31.3464 0.541 91
IV.ASQU.HHZ. 2009-11-27T20:42:51.96 0.1 undecidable manual Pg 169 35.6421 -0.104 100
IV.SEI.SHZ. 2009-11-27T20:42:50.90 0.1 undecidable manual Pg 257 28.1496 -0.263 98
IV.SFI.EHN. 2009-11-27T20:42:50.48 0.1 undecidable manual Pg 153 25.752 -0.415 95
IV.VMG.SHZ. 2009-11-27T20:42:49.97 0.3 undecidable manual Pg 217 20.9679 -0.433 72
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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