Earthquake with magnitude of ML 0.9 on date 01-05-2014 and time 20:20:52 (Italy) in region 2 km SW Premilcuore (FC)

A magnitude ML 0.9 earthquake occured in region: 2 km SW Premilcuore (FC), on

  • 01-05-2014 18:20:52 (UTC)
  • 01-05-2014 20:20:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.97, 11.76 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 2 799 799
Portico e San Benedetto FC 7 756 1555
San Godenzo FI 12 1167 2722
Santa Sofia FC 12 4136 6858
Rocca San Casciano FC 13 1910 8768
Galeata FC 13 2516 11284
Tredozio FC 13 1212 12496
Civitella di Romagna FC 15 3786 16282
Marradi FI 17 3139 19421
Londa FI 19 1840 21261
Pratovecchio Stia AR 20 5845 27106

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Forlì (117913 inhabitants)
37 Km S of Faenza (58541 inhabitants)
43 Km W of Cesena (96758 inhabitants)
43 Km S of Imola (69797 inhabitants)
46 Km E of Firenze (382808 inhabitants)
52 Km E of Scandicci (50609 inhabitants)
54 Km E of Prato (191150 inhabitants)
56 Km N of Arezzo (99543 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
65 Km W of Rimini (147750 inhabitants)
67 Km E of Pistoia (90315 inhabitants)
68 Km SE of Bologna (386663 inhabitants)
80 Km NE of Siena (53903 inhabitants)
93 Km W of Pesaro (94582 inhabitants)
98 Km S 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
Rev 100 ML 0.9 2014-05-01
18:20:52
43.97 11.76 6 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6355921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-05-01 18:20:52 ± 0.19
Latitude 43.97 ± 0.00
Longitude 11.76 ± 0.01
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 6355921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 610
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6355921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-05-01 18:31:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SEI.HHZ. 2014-05-01T18:21:04.45 0.3 undecidable manual S 287 0.3013 99 0.28 69
IV.BRIS.HHZ. 2014-05-01T18:21:02.90 0.3 undecidable manual S 1 0.2581 101 0.35 69
IV.ASQU.HHZ. 2014-05-01T18:20:59.37 0.3 undecidable manual S 173 0.1709 106 0.09 74
IV.BRIS.HHZ. 2014-05-01T18:20:58.26 0.1 positive manual P 1 0.2581 101 -0.01 99
IV.SEI.HHZ. 2014-05-01T18:20:58.97 0.3 undecidable manual P 287 0.3013 99 -0.24 70
IV.LMD.HHZ. 2014-05-01T18:20:57.20 0.3 undecidable manual S 341 0.1169 113 -0.13 74
IV.ASQU.HHZ. 2014-05-01T18:20:56.35 0.1 undecidable manual P 173 0.1709 106 -0.03 100
IV.SFI.EHZ. 2014-05-01T18:20:56.36 0.3 undecidable manual S 134 0.0881 119 0.04 76
IV.LMD.HHZ. 2014-05-01T18:20:55.03 0.1 undecidable manual P 341 0.1169 113 -0.22 97
IV.SFI.EHZ. 2014-05-01T18:20:54.66 0.3 undecidable manual P 134 0.0881 119 -0.02 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:0.8 5.36E-5 1.38 AML other m 2014-05-01T18:21:00.29
IV.ASQU.HHE. ML:0.6 3.51E-5 2.32 AML other m 2014-05-01T18:21:01.37
IV.BRIS.HHE. ML:1.1 6.61E-5 0.32 AML other m 2014-05-01T18:21:03.42
IV.BRIS.HHN. ML:1 5.855E-5 2.3 AML other m 2014-05-01T18:21:03.38
IV.LMD.HHE. ML:0.7 6.755E-5 0.26 AML other m 2014-05-01T18:20:57.37
IV.LMD.HHN. ML:0.6 5.425E-5 2.34 AML other m 2014-05-01T18:20:57.38
IV.SEI.HHE. ML:1 4.09E-5 1.42 AML other m 2014-05-01T18:21:05.78
IV.SEI.HHN. ML:1 5.145E-5 0.16 AML other m 2014-05-01T18:21:05.69
IV.SFI.EHN. ML:0.9 0.000125 0.14 AML other m 2014-05-01T18:20:57.61
IV.SFI.EHE. ML:0.8 0.0001136 2.66 AML other m 2014-05-01T18:20:56.49
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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