Earthquake with magnitude of ML 1.8 on date 08-02-2009 and time 19:49:40 (Italy) in region 6 km E Civitella di Romagna (FC)

A magnitude ML 1.8 earthquake occured in region: 6 km E Civitella di Romagna (FC), on

  • 08-02-2009 18:49:40 (UTC)
  • 08-02-2009 19:49:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0150, 12.0130 at 43 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
Civitella di Romagna FC 6 3786 3786
Galeata FC 8 2516 6302
Predappio FC 10 6346 12648
Santa Sofia FC 11 4136 16784
Meldola FC 13 9970 26754
Rocca San Casciano FC 15 1910 28664
Sarsina FC 15 3446 32110
Dovadola FC 16 1653 33763
Mercato Saraceno FC 16 6886 40649
Bagno di Romagna FC 18 6026 46675
Bertinoro FC 18 11059 57734
Portico e San Benedetto FC 19 756 58490
Castrocaro Terme e Terra del Sole FC 19 6426 64916
Premilcuore FC 19 799 65715

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SW of Cesena (96758 inhabitants)
23 Km S of Forlì (117913 inhabitants)
32 Km SE of Faenza (58541 inhabitants)
45 Km W of Rimini (147750 inhabitants)
45 Km SE of Imola (69797 inhabitants)
47 Km SW of Ravenna (159116 inhabitants)
62 Km N of Arezzo (99543 inhabitants)
66 Km E of Firenze (382808 inhabitants)
72 Km E of Scandicci (50609 inhabitants)
73 Km W of Pesaro (94582 inhabitants)
75 Km E of Prato (191150 inhabitants)
76 Km SE of Bologna (386663 inhabitants)
83 Km W of Fano (60888 inhabitants)
88 Km E of Pistoia (90315 inhabitants)
95 Km NE of Siena (53903 inhabitants)
97 Km SE of Ferrara (133155 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 1.9
ML 1.8
2009-02-08
18:49:40
44.015 12.013 43 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 742809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-02-08 18:49:40 ± 0.52
Latitude 44.0150 ± 0.0315
Longitude 12.0130 ± 0.0488
Depth (km) 43 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 742809

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3647
Semi-minor axis of confidence ellipse (meter) 3110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 5240.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 315
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63762
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 742809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:53

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 742809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:02:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.SHZ. 2009-02-08T18:50:11.98 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHN. 2009-02-08T18:50:02.85 0.6 undecidable manual Sg 120 70.7736 0.008 49
IV.PIEI.HHN. 2009-02-08T18:50:02.80 0.6 undecidable manual Sg 142 67.5768 0.616 45
IV.PESA.HHN. 2009-02-08T18:50:01.95 0.6 undecidable manual Sg 97 66.4779 0.009 50
.RSM.SHZ. 2009-02-08T18:49:55.48 0.6 undecidable manual Sg 105 36.0417 -0.445 49
IV.FSSB.HHN. 2009-02-08T18:49:53.05 0.1 undecidable manual Pg 120 70.7736 -0.248 95
IV.PESA.HHN. 2009-02-08T18:49:52.90 0.1 undecidable manual Pg 97 66.4779 0.123 99
IV.PIEI.HHN. 2009-02-08T18:49:52.75 0.1 undecidable manual Pg 142 67.5768 -0.162 98
.RSM.SHZ. 2009-02-08T18:49:49.60 0.1 undecidable manual Pg 105 36.0417 0.303 100
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