Earthquake with magnitude of ML 0.9 on date 10-08-2014 and time 23:33:31 (Italy) in region 4 km W Palazzuolo sul Senio (FI)

A magnitude ML 0.9 earthquake occured in region: 4 km W Palazzuolo sul Senio (FI), on

  • 10-08-2014 21:33:31 (UTC)
  • 10-08-2014 23:33:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.13, 11.5 at 9 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
Palazzuolo sul Senio FI 4 1154 1154
Castel del Rio BO 10 1246 2400
Firenzuola FI 10 4726 7126
Marradi FI 11 3139 10265
Casola Valsenio RA 15 2617 12882
Fontanelice BO 15 1943 14825
Monghidoro BO 18 3749 18574
Borgo Tossignano BO 18 3288 21862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Imola (69797 inhabitants)
35 Km SW of Faenza (58541 inhabitants)
42 Km NE of Prato (191150 inhabitants)
43 Km SE of Bologna (386663 inhabitants)
44 Km NE of Firenze (382808 inhabitants)
44 Km W of Forlì (117913 inhabitants)
48 Km NE of Scandicci (50609 inhabitants)
51 Km E of Pistoia (90315 inhabitants)
59 Km W of Cesena (96758 inhabitants)
64 Km SW of Ravenna (159116 inhabitants)
74 Km SE of Modena (184973 inhabitants)
79 Km S of Ferrara (133155 inhabitants)
80 Km NW of Arezzo (99543 inhabitants)
85 Km W of Rimini (147750 inhabitants)
86 Km E of Lucca (89046 inhabitants)
88 Km SE of Carpi (70699 inhabitants)
91 Km N of Siena (53903 inhabitants)
94 Km SE of Reggio nell'Emilia (171345 inhabitants)
99 Km E of Pisa (89158 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 2014-08-10
21:33:31
44.13 11.5 9 2014-10-21
12:08:56
Sala Sismica INGV-Roma 7738101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-10 21:33:31 ± 0.17
Latitude 44.13 ± 0.01
Longitude 11.50 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 7738101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 728
Semi-minor axis of confidence ellipse (meter) 558
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 730
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.39031
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 7738101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-10 22:17:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.NARO.HHZ. 2014-08-10T21:33:48.29 3.0 positive manual P -0.05 0
IV.ASQU.HHZ. 2014-08-10T21:33:46.20 0.3 undecidable manual S 148 0.3903 50 0.44 67
IV.BRIS.HHZ. 2014-08-10T21:33:40.30 0.1 undecidable manual S 63 0.2131 111 0.21 97
IV.MTRZ.HHE. 2014-08-10T21:33:39.94 0.1 undecidable manual S 343 0.1934 113 0.56 90
IV.ASQU.HHZ. 2014-08-10T21:33:39.53 0.1 undecidable manual P 148 0.3903 50 -0.12 96
IV.LMD.HHZ. 2014-08-10T21:33:38.20 0.1 undecidable manual S 109 0.1556 118 0.13 100
IV.SEI.HHZ. 2014-08-10T21:33:37.30 0.1 undecidable manual S 235 0.1268 123 0.2 99
IV.BRIS.HHZ. 2014-08-10T21:33:36.02 0.1 undecidable manual P 63 0.2131 111 -0.35 94
IV.LMD.HHZ. 2014-08-10T21:33:35.02 0.1 undecidable manual P 109 0.1556 118 -0.19 99
IV.MTRZ.HHE. 2014-08-10T21:33:35.44 0.1 undecidable manual P 343 0.1934 113 -0.53 91
IV.SEI.HHZ. 2014-08-10T21:33:34.47 0.1 undecidable manual P 235 0.1268 123 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHN. ML:0.8 1.96E-5 1.52 AML other m 2014-08-10T21:33:48.87
IV.ASQU.HHE. ML:0.7 1.47E-5 1.58 AML other m 2014-08-10T21:33:52.94
IV.BRIS.HHE. ML:1 5.93E-5 0.24 AML other m 2014-08-10T21:33:40.42
IV.BRIS.HHN. ML:1.2 9.595E-5 1.3 AML other m 2014-08-10T21:33:40.57
IV.LMD.HHE. ML:0.6 3.535E-5 1.36 AML other m 2014-08-10T21:33:40.50
IV.LMD.HHN. ML:0.7 4.185E-5 0.58 AML other m 2014-08-10T21:33:38.68
IV.SEI.HHN. ML:1.3 0.0002245 0.52 AML other m 2014-08-10T21:33:37.65
IV.SEI.HHE. ML:1.1 0.0001345 0.72 AML other m 2014-08-10T21:33:38.10
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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