Earthquake with magnitude of ML 1.5 on date 03-07-2009 and time 23:03:01 (UTC) in region 2 km E Imola (BO)

A magnitude ML 1.5 earthquake occured in region: 2 km E Imola (BO), on

  • 03-07-2009 23:03:01 (UTC)
  • 04-07-2009 01:03:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3610, 11.7340 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Imola BO 2 69797 69797
Castel Bolognese RA 7 9554 79351
Mordano BO 7 4760 84111
Bagnara di Romagna RA 8 2429 86540
Dozza BO 8 6652 93192
Solarolo RA 9 4488 97680
Castel Guelfo di Bologna BO 9 4455 102135
Riolo Terme RA 9 5720 107855
Casalfiumanese BO 12 3438 111293
Massa Lombarda RA 12 10653 121946
Castel San Pietro Terme BO 12 20811 142757
Sant'Agata sul Santerno RA 14 2862 145619
Faenza RA 15 58541 204160
Borgo Tossignano BO 15 3288 207448
Medicina BO 15 16739 224187
Brisighella RA 16 7639 231826
Lugo RA 16 32390 264216
Cotignola RA 17 7474 271690
Casola Valsenio RA 18 2617 274307
Fontanelice BO 18 1943 276250
Conselice RA 19 9856 286106

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km E of Imola (69797 inhabitants)
15 Km NW of Faenza (58541 inhabitants)
29 Km NW of Forlì (117913 inhabitants)
35 Km E of Bologna (386663 inhabitants)
38 Km W of Ravenna (159116 inhabitants)
48 Km NW of Cesena (96758 inhabitants)
54 Km S of Ferrara (133155 inhabitants)
71 Km E of Modena (184973 inhabitants)
74 Km NE of Prato (191150 inhabitants)
74 Km W of Rimini (147750 inhabitants)
76 Km NE of Firenze (382808 inhabitants)
79 Km S of Rovigo (51867 inhabitants)
80 Km NE of Scandicci (50609 inhabitants)
81 Km NE of Pistoia (90315 inhabitants)
82 Km SE of Carpi (70699 inhabitants)
95 Km E of Reggio nell'Emilia (171345 inhabitants)
100 Km N of Arezzo (99543 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 1.8
ML 1.5
2009-07-03
23:03:01
44.361 11.734 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 915239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-07-03 23:03:01 ± 0.51
Latitude 44.3610 ± 0.0216
Longitude 11.7340 ± 0.0226
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 915239

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2632
Semi-minor axis of confidence ellipse (meter) 1421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 28
Circular confidence region, given by single value of horizontal uncertainty (meter) 3000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 284
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 915239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:25:24

Md:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 915239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 17:25:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2009-07-03T23:03:23.52 10.0 undecidable manual Sg 0 0 0
IV.VCEL.EHE. 2009-07-03T23:03:23.84 10.0 undecidable manual Pg 0 0 0
IV.MNS.HHE. 2009-07-03T23:03:21.45 0.6 undecidable manual Sg 0 0 0
IV.FNVD.HHN. 2009-07-03T23:03:19.06 0.3 undecidable manual Sg 246 53.1024 0.337 71
IV.SFI.EHZ. 2009-07-03T23:03:18.65 0.3 undecidable manual Sg 170 51.4152 0.364 71
IV.FIAM.HHN. 2009-07-03T23:03:17.76 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2009-07-03T23:03:16.82 0.3 undecidable manual Sg 221 45.3213 0.175 75
IV.VMG.SHZ. 2009-07-03T23:03:16.47 0.3 undecidable manual Sg 199 46.8198 -0.59 67
IV.CESI.HHZ. 2009-07-03T23:03:16.01 10.0 undecidable manual Pg 0 0 0
IV.T0104.EHE. 2009-07-03T23:03:16.14 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-07-03T23:03:16.39 10.0 undecidable manual Sg 0 0 0
IV.MNS.HHE. 2009-07-03T23:03:14.94 0.6 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-07-03T23:03:12.38 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHZ. 2009-07-03T23:03:11.39 0.3 undecidable manual Pg 170 51.4152 0.048 76
IV.FNVD.HHN. 2009-07-03T23:03:11.53 0.1 undecidable manual Pg 246 53.1024 -0.066 100
IV.CMPO.HHZ. 2009-07-03T23:03:11.28 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-07-03T23:03:11.97 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2009-07-03T23:03:10.75 0.3 undecidable manual Pg 199 46.8198 0.115 75
IV.SEI.SHZ. 2009-07-03T23:03:09.77 0.6 undecidable manual Pg 221 45.3213 -0.623 44
IV.LNSS.HHZ. 2009-07-03T23:03:09.68 0.1 undecidable manual Pg 0 0 0
IV.SAN2.EHZ. 2009-07-03T23:03:08.97 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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