Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 01-12-2005 and time 01:15:35 (Italy) in region 11 km N Forlimpopoli (FC)

A magnitude ML 1.8 earthquake occured in region: 11 km N Forlimpopoli (FC), on

  • 01-12-2005 00:15:35 (UTC)
  • 01-12-2005 01:15:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2860, 12.1500 at 24 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Forlimpopoli FC 11 13290 13290
Forlì FC 11 117913 131203
Russi RA 13 12247 143450
Ravenna RA 15 159116 302566
Bertinoro FC 15 11059 313625
Cervia RA 16 28940 342565
Cesena FC 18 96758 439323
Meldola FC 19 9970 449293
Cotignola RA 20 7474 456767
Castrocaro Terme e Terra del Sole FC 20 6426 463193

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NE of Forlì (117913 inhabitants)
15 Km S of Ravenna (159116 inhabitants)
18 Km NW of Cesena (96758 inhabitants)
21 Km E of Faenza (58541 inhabitants)
35 Km E of Imola (69797 inhabitants)
42 Km NW of Rimini (147750 inhabitants)
68 Km E of Bologna (386663 inhabitants)
74 Km NW of Pesaro (94582 inhabitants)
74 Km SE of Ferrara (133155 inhabitants)
85 Km NW of Fano (60888 inhabitants)
92 Km NE of Firenze (382808 inhabitants)
92 Km SE of Rovigo (51867 inhabitants)
94 Km N of Arezzo (99543 inhabitants)
95 Km E of Prato (191150 inhabitants)
97 Km NE of Scandicci (50609 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 2.3
ML 1.8 		2005-12-01
00:15:35		 44.286 12.15 24 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 542669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-12-01 00:15:35 ± 0.21
Latitude 44.2860 ± 0.0117
Longitude 12.1500 ± 0.0138
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 542669

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1073
Semi-minor axis of confidence ellipse (meter) 735
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 1702.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 252
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.29682
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 542669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:28:21

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 542669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 10:28:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.EHE. 2005-12-01T00:16:08.72 10.0 undecidable manual Pg 0 0 0
IV.FSSB.SHZ. 2005-12-01T00:16:04.36 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHE. 2005-12-01T00:16:03.00 10.0 undecidable manual Pg 0 0 0
IV.PII.SHZ. 2005-12-01T00:16:00.69 0.1 undecidable manual Pg 245 143.9448 0.079 77
IV.CRE.EHE. 2005-12-01T00:16:00.83 0.1 undecidable manual Sg 192 75.6687 -0.056 45
IV.SEI.SHZ. 2005-12-01T00:15:59.36 0.1 undecidable manual Sg 248 67.9764 0.69 37
IV.CSNT.SHZ. 2005-12-01T00:15:56.84 0.1 undecidable manual Pg 218 113.3976 0.661 71
IV.PGD.SHZ. 2005-12-01T00:15:54.89 0.1 undecidable manual Sg 217 56.8986 -0.606 41
IV.SFI.SHZ. 2005-12-01T00:15:53.39 0.1 undecidable manual Sg 210 48.7179 0.216 46
IV.BADI.EHN. 2005-12-01T00:15:52.07 0.1 undecidable manual Pg 175 86.4468 0.334 83
IV.PIEI.BHE. 2005-12-01T00:15:52.15 0.1 undecidable manual Pg 160 88.7445 0.037 88
IV.CRE.EHE. 2005-12-01T00:15:50.04 0.1 undecidable manual Pg 192 75.6687 0.067 90
IV.SEI.SHZ. 2005-12-01T00:15:48.74 0.1 undecidable manual Pg 248 67.9764 0.012 91
IV.VMG.SHZ. 2005-12-01T00:15:47.01 0.1 undecidable manual Pg 234 60.1953 -0.457 85
IV.PGD.SHZ. 2005-12-01T00:15:46.66 0.1 undecidable manual Pg 217 56.8986 -0.285 89
IV.SFI.SHZ. 2005-12-01T00:15:45.38 0.1 undecidable manual Pg 210 48.7179 -0.261 90
IV.BRSN.SHZ. 2005-12-01T00:15:43.88 0.1 undecidable manual Sg 268 5.7942 0.091 50
IV.BRSN.SHZ. 2005-12-01T00:15:40.22 0.1 undecidable manual Pg 268 5.7942 -0.148 100
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