Earthquake with magnitude of ML 0.4 on date 15-08-2016 and time 22:54:01 (Italy) in region 3 km N Castiglione dei Pepoli (BO)

A magnitude ML 0.4 earthquake occured in region: 3 km N Castiglione dei Pepoli (BO), on

  • 15-08-2016 20:54:01 (UTC)
  • 15-08-2016 22:54:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1690, 11.1560 at 9 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
Castiglione dei Pepoli BO 3 5648 5648
Camugnano BO 5 1885 7533
San Benedetto Val di Sambro BO 8 4315 11848
Castel di Casio BO 10 3448 15296
Grizzana Morandi BO 10 3916 19212
Vernio PO 13 6060 25272
Vergato BO 13 7639 32911
Monghidoro BO 14 3749 36660
Sambuca Pistoiese PT 14 1626 38286
Alto Reno Terme BO 14 6960 45246
Monzuno BO 15 6328 51574
Cantagallo PO 16 3105 54679
Loiano BO 18 4294 58973
Castel d'Aiano BO 18 1906 60879
Gaggio Montano BO 18 4878 65757
Firenzuola FI 19 4726 70483
Marzabotto BO 20 6779 77262
Barberino di Mugello FI 20 10836 88098

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Pistoia (90315 inhabitants)
32 Km N of Prato (191150 inhabitants)
39 Km SW of Bologna (386663 inhabitants)
45 Km N of Firenze (382808 inhabitants)
46 Km N of Scandicci (50609 inhabitants)
49 Km W of Imola (69797 inhabitants)
56 Km SE of Modena (184973 inhabitants)
59 Km W of Faenza (58541 inhabitants)
64 Km NE of Lucca (89046 inhabitants)
71 Km W of Forlì (117913 inhabitants)
72 Km SE of Carpi (70699 inhabitants)
72 Km SE of Reggio nell'Emilia (171345 inhabitants)
79 Km NE of Pisa (89158 inhabitants)
80 Km E of Viareggio (62467 inhabitants)
82 Km E of Massa (69479 inhabitants)
83 Km SW of Ferrara (133155 inhabitants)
85 Km E of Carrara (63133 inhabitants)
87 Km W of Cesena (96758 inhabitants)
88 Km W of Ravenna (159116 inhabitants)
96 Km N of Siena (53903 inhabitants)
96 Km SE of Parma (192836 inhabitants)
96 Km NE of Livorno (159219 inhabitants)
97 Km NW of Arezzo (99543 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
ML 0.4 2016-08-15
20:54:01
44.1687 11.1562 9 2016-11-08
11:54:01
Bollettino Sismico Italiano INGV 29828861
Reviewed
Rev100
ML 0.4 2016-08-15
20:54:01
44.1567 11.1602 10 2016-08-15
21:00:00
Sala Sismica INGV-Roma 26842821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-15 20:54:01 ± 0.1
Latitude 44.1687 ± 0.0054
Longitude 11.1562 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 29828861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 373
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
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) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 26842821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-15 21:00:00

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 29828861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-10-04 09:33:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2016-08-15T20:54:13.45 0.6 undecidable manual S 247 34.6431 50 -0.04 47
IV.MPPT.EHZ. 2016-08-15T20:54:10.00 0.3 undecidable manual S 193 23.9538 110 -0.22 69
IV.SEI.HHZ. 2016-08-15T20:54:09.24 0.6 undecidable manual S 128 20.5683 114 0.14 47
GU.POPM.HHZ. 2016-08-15T20:54:08.30 0.1 positive manual P 247 34.6431 50 -0.06 94
IV.MTCR.EHZ. 2016-08-15T20:54:08.95 0.6 undecidable manual S 218 19.869 114 0.07 48
IV.MPPT.EHZ. 2016-08-15T20:54:06.55 0.1 undecidable manual P 193 23.9538 110 0.09 95
IV.SEI.HHZ. 2016-08-15T20:54:05.71 0.1 undecidable manual P 128 20.5683 114 -0.1 95
IV.MTCR.EHZ. 2016-08-15T20:54:05.90 0.1 undecidable manual P 218 19.869 114 0.21 93
IV.FNVD.HHZ. 2016-08-15T20:54:04.42 0.6 undecidable manual S 268 2.5974 164 -0.15 49
IV.FNVD.HHZ. 2016-08-15T20:54:03.22 0.1 undecidable manual P 268 2.5974 164 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHE. ML:0.4 0.00001723 0.26 AML other m 2016-08-15T20:54:10.66
IV.MPPT.EHN. ML:0.5 0.0000213 0.26 AML other m 2016-08-15T20:54:10.53
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