Earthquake with magnitude of ML 0.7 on date 02-04-2012 and time 23:06:57 (Italy) in region 3 km W Premilcuore (FC)

A magnitude ML 0.7 earthquake occured in region: 3 km W Premilcuore (FC), on

  • 02-04-2012 21:06:57 (UTC)
  • 02-04-2012 23:06:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9740, 11.7410 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
Premilcuore FC 3 799 799
Portico e San Benedetto FC 7 756 1555
San Godenzo FI 11 1167 2722
Tredozio FC 12 1212 3934
Rocca San Casciano FC 13 1910 5844
Santa Sofia FC 14 4136 9980
Galeata FC 14 2516 12496
Marradi FI 15 3139 15635
Civitella di Romagna FC 16 3786 19421
Londa FI 19 1840 21261
Dicomano FI 20 5515 26776

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Faenza (58541 inhabitants)
37 Km SW of Forlì (117913 inhabitants)
42 Km S of Imola (69797 inhabitants)
44 Km W of Cesena (96758 inhabitants)
45 Km NE of Firenze (382808 inhabitants)
51 Km E of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
58 Km N of Arezzo (99543 inhabitants)
62 Km SW of Ravenna (159116 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
66 Km SE of Bologna (386663 inhabitants)
67 Km W of Rimini (147750 inhabitants)
80 Km NE of Siena (53903 inhabitants)
94 Km W of Pesaro (94582 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
99 Km SE of Modena (184973 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 1.5
ML 0.7
2012-04-02
21:06:57
43.974 11.741 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1355409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-04-02 21:06:57 ± 0.07
Latitude 43.9740 ± 0.0045
Longitude 11.7410 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1355409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 676
Semi-minor axis of confidence ellipse (meter) 121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 583.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1355409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:04:16

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1355409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:04:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHE. 2012-04-02T21:07:37.47 10.0 undecidable manual Pg 0 0 0
IV.MCRV.HHE. 2012-04-02T21:07:23.15 10.0 undecidable manual Pg 0 0 0
IV.CAFE.HHE. 2012-04-02T21:07:20.71 10.0 undecidable manual Pg 0 0 0
IV.PSB1.HHZ. 2012-04-02T21:07:13.78 10.0 undecidable manual Pg 0 0 0
IV.MRB1.HHZ. 2012-04-02T21:07:12.63 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHN. 2012-04-02T21:07:08.46 0.1 undecidable manual Sg 286 31.8459 0.061 96
IV.ASQU.HHN. 2012-04-02T21:07:04.98 0.1 undecidable manual Sg 169 20.0688 -0.002 99
IV.SEI.SHN. 2012-04-02T21:07:03.57 0.1 undecidable manual Pg 286 31.8459 -0.101 95
SI.ROSI.HHE. 2012-04-02T21:07:03.80 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHZ. 2012-04-02T21:07:02.44 0.1 undecidable manual Sg 132 11.3775 -0.035 100
IV.ASQU.HHN. 2012-04-02T21:07:01.69 0.1 undecidable manual Pg 169 20.0688 -0.008 99
IV.SFI.EHZ. 2012-04-02T21:07:00.32 0.1 undecidable manual Pg 132 11.3775 0.072 99
IV.MPG.SHN. 2012-04-02T21:06:57.40 10.0 undecidable manual Pg 0 0 0
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