Earthquake with magnitude of ML 0.5 on date 14-08-2017 and time 21:51:04 (Italy) in region 5 km SE Castel d'Aiano (BO)

A magnitude ML 0.5 earthquake occured in region: 5 km SE Castel d'Aiano (BO), on

  • 14-08-2017 19:51:04 (UTC)
  • 14-08-2017 21:51:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2450, 11.0360 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
Castel d'Aiano BO 5 1906 1906
Vergato BO 8 7639 9545
Montese MO 8 3353 12898
Castel di Casio BO 9 3448 16346
Camugnano BO 9 1885 18231
Grizzana Morandi BO 9 3916 22147
Gaggio Montano BO 9 4878 27025
Alto Reno Terme BO 11 6960 33985
Zocca MO 12 4719 38704
Lizzano in Belvedere BO 15 2212 40916
Castiglione dei Pepoli BO 15 5648 46564
Sambuca Pistoiese PT 16 1626 48190
San Benedetto Val di Sambro BO 16 4315 52505
Marzabotto BO 17 6779 59284
Monzuno BO 19 6328 65612
Pavullo nel Frignano MO 19 17383 82995
Fanano MO 20 2989 85984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Pistoia (90315 inhabitants)
37 Km SW of Bologna (386663 inhabitants)
41 Km N of Prato (191150 inhabitants)
46 Km S of Modena (184973 inhabitants)
55 Km N of Scandicci (50609 inhabitants)
55 Km W of Imola (69797 inhabitants)
56 Km NW of Firenze (382808 inhabitants)
60 Km SE of Reggio nell'Emilia (171345 inhabitants)
61 Km S of Carpi (70699 inhabitants)
62 Km NE of Lucca (89046 inhabitants)
68 Km W of Faenza (58541 inhabitants)
75 Km E of Massa (69479 inhabitants)
76 Km NE of Viareggio (62467 inhabitants)
77 Km E of Carrara (63133 inhabitants)
78 Km NE of Pisa (89158 inhabitants)
80 Km W of Forlì (117913 inhabitants)
81 Km SW of Ferrara (133155 inhabitants)
84 Km SE of Parma (192836 inhabitants)
95 Km W of Ravenna (159116 inhabitants)
96 Km NE of Livorno (159219 inhabitants)
97 Km W of Cesena (96758 inhabitants)
98 Km E of La Spezia (93959 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 0.5 2017-08-14
19:51:04
44.2447 11.0363 11 2018-07-06
15:40:36
Bollettino Sismico Italiano INGV 52517821
Reviewed
Rev100
ML 0.5 2017-08-14
19:51:04
44.2252 10.9868 6 2017-08-14
20:01:14
Sala Sismica INGV-Roma 49030531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-14 19:51:04 ± 0.15
Latitude 44.2447 ± 0.0126
Longitude 11.0363 ± 0.0138
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52517821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1638
Semi-minor axis of confidence ellipse (meter) 584
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 52517821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-12-11 10:44:28

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 49030531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-14 20:01:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HHZ. 2017-08-14T19:52:40.20 3.0 undecidable manual Sg 10.82 0
IV.EUCT.HNZ. 2017-08-14T19:52:01.76 3.0 undecidable manual Sg 2.89 0
IV.ZONE.HHZ. 2017-08-14T19:51:59.41 3.0 undecidable manual Sn -3.74 0
GU.BURY.HHZ. 2017-08-14T19:51:42.26 3.0 positive manual Pg 3.11 0
IV.CPGN.EHZ. 2017-08-14T19:51:34.07 3.0 undecidable manual Sn 0.28 0
IV.LAV9.HNZ. 2017-08-14T19:51:33.49 3.0 undecidable manual Pn -3.98 0
IV.T1247.HHZ. 2017-08-14T19:51:32.62 3.0 undecidable manual Pn -1.47 0
IV.SARZ.HHZ. 2017-08-14T19:51:32.94 3.0 negative manual Pg 1.32 0
MN.VLC.HNZ. 2017-08-14T19:51:21.19 0.6 undecidable manual S 260 52.503 50 0.5 42
GU.SARM.EHZ. 2017-08-14T19:51:20.33 0.6 undecidable manual S 263 51.0156 50 0.06 46
IV.LMD.HHZ. 2017-08-14T19:51:17.67 3.0 undecidable manual Pg 2.67 0
IV.MPPT.EHZ. 2017-08-14T19:51:15.31 0.6 undecidable manual S 172 32.1456 50 0.07 48
IV.SEI.HHE. 2017-08-14T19:51:15.90 0.6 undecidable manual S 129 33.2445 50 0.37 45
IV.MOCL.EHZ. 2017-08-14T19:51:14.25 0.6 undecidable manual S 157 28.9488 50 -0.14 47
MN.VLC.HNZ. 2017-08-14T19:51:14.02 0.3 undecidable manual P 260 52.503 50 0.36 65
GU.SARM.EHZ. 2017-08-14T19:51:13.35 0.3 undecidable manual P 263 51.0156 50 -0.08 69
IV.SEI.HHE. 2017-08-14T19:51:11.28 0.6 undecidable manual P 129 33.2445 50 0.59 42
IV.MPPT.EHZ. 2017-08-14T19:51:10.14 0.3 undecidable manual P 172 32.1456 50 -0.38 67
GU.POPM.HHZ. 2017-08-14T19:51:10.10 0.3 undecidable manual P 225 31.3464 50 -0.31 68
IV.FNVD.HHE. 2017-08-14T19:51:09.72 0.6 undecidable manual S 141 10.9779 134 0.37 46
IV.MOCL.EHZ. 2017-08-14T19:51:09.61 0.1 undecidable manual P 157 28.9488 50 -0.43 89
IV.FNVD.HHE. 2017-08-14T19:51:07.14 0.1 undecidable manual P 141 10.9779 134 0.02 100
IV.ZCCA.HHE. 2017-08-14T19:51:07.24 0.1 undecidable manual P 338 12.6762 130 -0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOCL.EHN. ML:0.3 0.000012146602499999998 0.12 AML other m 2017-08-14T19:51:15.07
GU.POPM.HHN. ML:0.6 0.000018704680000000003 0.14 AML other m 2017-08-14T19:51:15.25
IV.MOCL.EHE. ML:0.7 0.000023406999999999998 0.2 AML other m 2017-08-14T19:51:15.32
IV.MPPT.EHN. ML:0.0 0.0000060649765 0.18 AML other m 2017-08-14T19:51:15.93
IV.MPPT.EHE. ML:0.0 0.000007363662 0.18 AML other m 2017-08-14T19:51:16.46
GU.POPM.HHE. ML:0.5 0.000013567880000000001 0.16 AML other m 2017-08-14T19:51:17.75
IV.LMD.HHN. ML:0.4 0.0000039232033500000005 0.08 AML other m 2017-08-14T19:51:21.57
IV.LMD.HHE. ML:0.4 0.0000051618584999999995 0.96 AML other m 2017-08-14T19:51:27.08
GU.SARM.EHN. ML:1.1 0.0000286014 0.54 AML other m 2017-08-14T19:51:36.59
GU.SARM.EHE. ML:0.9 0.00002039525 0.78 AML other m 2017-08-14T19:51:39.44
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