Earthquake with magnitude of ML 1.4 on date 08-04-2015 and time 01:03:42 (UTC) in region 3 km SW Monghidoro (BO)

A magnitude ML 1.4 earthquake occured in region: 3 km SW Monghidoro (BO), on

  • 08-04-2015 01:03:42 (UTC)
  • 08-04-2015 03:03:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1990, 11.3080 at 22 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
Monghidoro BO 3 3749 3749
San Benedetto Val di Sambro BO 6 4315 8064
Loiano BO 8 4294 12358
Monzuno BO 9 6328 18686
Firenzuola FI 11 4726 23412
Castiglione dei Pepoli BO 14 5648 29060
Grizzana Morandi BO 14 3916 32976
Castel del Rio BO 16 1246 34222
Monterenzio BO 16 6035 40257
Marzabotto BO 18 6779 47036
Camugnano BO 18 1885 48921
Vergato BO 18 7639 56560

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km S of Bologna (386663 inhabitants)
37 Km W of Imola (69797 inhabitants)
39 Km NE of Prato (191150 inhabitants)
43 Km NE of Pistoia (90315 inhabitants)
47 Km W of Faenza (58541 inhabitants)
48 Km N of Firenze (382808 inhabitants)
50 Km N of Scandicci (50609 inhabitants)
58 Km SE of Modena (184973 inhabitants)
59 Km W of Forlì (117913 inhabitants)
73 Km SE of Carpi (70699 inhabitants)
75 Km W of Cesena (96758 inhabitants)
75 Km W of Ravenna (159116 inhabitants)
75 Km SW of Ferrara (133155 inhabitants)
76 Km NE of Lucca (89046 inhabitants)
77 Km SE of Reggio nell'Emilia (171345 inhabitants)
90 Km NE of Pisa (89158 inhabitants)
92 Km E of Viareggio (62467 inhabitants)
94 Km NW of Arezzo (99543 inhabitants)
95 Km E of Massa (69479 inhabitants)
98 Km E of Carrara (63133 inhabitants)
98 Km N of Siena (53903 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
Reviewed
Rev100
ML 1.4 2015-04-08
01:03:42
44.1987 11.3082 22 2015-04-08
01:13:46
Sala Sismica INGV-Roma 18263901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-08 01:03:42 ± 0.2
Latitude 44.1987 ± 0.0081
Longitude 11.3082 ± 0.0100
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 18263901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 817
Semi-minor axis of confidence ellipse (meter) 655
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 206
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 0.53060
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 18263901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-08 01:13:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASQU.HHZ. 2015-04-08T01:04:01.17 0.1 undecidable manual S 139 58.8966 103 0.38 86
IV.BRIS.HHZ. 2015-04-08T01:03:55.52 0.1 undecidable manual S 85 36.5412 113 0.4 89
IV.LMD.HHZ. 2015-04-08T01:03:54.34 0.1 undecidable manual S 113 34.5432 115 -0.28 93
IV.ASQU.HHZ. 2015-04-08T01:03:53.07 0.1 undecidable manual P 139 58.8966 103 0.1 92
IV.SEI.HHZ. 2015-04-08T01:03:50.69 0.3 undecidable manual S 166 16.4724 138 -0.01 75
IV.FNVD.HHZ. 2015-04-08T01:03:50.47 0.1 undecidable manual S 257 15.1737 141 0.01 100
IV.MTRZ.HHZ. 2015-04-08T01:03:50.52 0.1 undecidable manual S 36 15.6732 140 -0.04 100
IV.BRIS.HHZ. 2015-04-08T01:03:49.67 0.1 undecidable manual P 85 36.5412 113 -0.03 97
IV.LMD.HHZ. 2015-04-08T01:03:49.01 0.1 undecidable manual P 113 34.5432 115 -0.4 90
IV.SEI.HHZ. 2015-04-08T01:03:47.11 0.1 positive manual P 166 16.4724 138 -0.03 100
IV.FNVD.HHZ. 2015-04-08T01:03:47.13 0.1 undecidable manual P 257 15.1737 141 0.12 100
IV.MTRZ.HHZ. 2015-04-08T01:03:46.84 0.1 negative manual P 36 15.6732 140 -0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HHE. ML:1.5 0.0001123 0.4 AML other m 2015-04-08T01:03:57.26
IV.BRIS.HHN. ML:1.5 0.0001004 1.58 AML other m 2015-04-08T01:03:58.26
IV.LMD.HHN. ML:0.9 0.000027450000000000003 1.34 AML other m 2015-04-08T01:03:55.46
IV.LMD.HHE. ML:0.9 0.00002985 1.24 AML other m 2015-04-08T01:03:57.03
IV.SEI.HHE. ML:1.4 0.000161 0.3 AML other m 2015-04-08T01:03:51.02
IV.SEI.HHN. ML:1.7 0.0002915 1.1 AML other m 2015-04-08T01:03:51.69
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