Earthquake with magnitude of Md 2.3 on date 09-07-1999 and time 06:31:13 (Italy) in region 6 km NE Sestola (MO)

A magnitude Md 2.3 earthquake occured in region: 6 km NE Sestola (MO), on

  • 09-07-1999 04:31:13 (UTC)
  • 09-07-1999 06:31:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2610, 10.8400 at 5 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
Sestola MO 6 2508 2508
Fanano MO 7 2989 5497
Montese MO 8 3353 8850
Pavullo nel Frignano MO 9 17383 26233
Montecreto MO 10 940 27173
Lama Mocogno MO 10 2734 29907
Gaggio Montano BO 10 4878 34785
Lizzano in Belvedere BO 12 2212 36997
Castel d'Aiano BO 13 1906 38903
Polinago MO 13 1672 40575
Riolunato MO 15 712 41287
Zocca MO 16 4719 46006
Alto Reno Terme BO 16 6960 52966
Palagano MO 17 2194 55160
Fiumalbo MO 18 1280 56440
Serramazzoni MO 18 8282 64722
Pievepelago MO 19 2222 66944
Cutigliano PT 19 1488 68432
Abetone PT 19 621 69053
Castel di Casio BO 19 3448 72501

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Pistoia (90315 inhabitants)
44 Km S of Modena (184973 inhabitants)
47 Km NW of Prato (191150 inhabitants)
48 Km SW of Bologna (386663 inhabitants)
51 Km SE of Reggio nell'Emilia (171345 inhabitants)
54 Km NE of Lucca (89046 inhabitants)
58 Km S of Carpi (70699 inhabitants)
61 Km E of Massa (69479 inhabitants)
62 Km NW of Scandicci (50609 inhabitants)
63 Km E of Carrara (63133 inhabitants)
64 Km NW of Firenze (382808 inhabitants)
64 Km NE of Viareggio (62467 inhabitants)
70 Km NE of Pisa (89158 inhabitants)
70 Km W of Imola (69797 inhabitants)
73 Km SE of Parma (192836 inhabitants)
82 Km E of La Spezia (93959 inhabitants)
83 Km W of Faenza (58541 inhabitants)
89 Km SW of Ferrara (133155 inhabitants)
89 Km NE of Livorno (159219 inhabitants)
96 Km W of Forlì (117913 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
Md 2.3
ML-VAX 1.8
1999-07-09
04:31:13
44.261 10.84 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 370169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-07-09 04:31:13 ± 0.268
Latitude 44.2610 ± 0.0188
Longitude 10.8400 ± 0.0179
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 370169

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2531.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00761
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 370169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:47:20

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 370169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PII.Z. 1999-07-09T04:31:34.33 10.0 undecidable manual SG 203 0.5883 -0.8 0.2
--.CSNT.Z. 1999-07-09T04:31:31.92 10.0 undecidable manual PG 157 0.8436 1 0.2
--.PII.Z. 1999-07-09T04:31:25.40 10.0 undecidable manual PG 203 0.5883 -0.57 0.7
--.EB9.Z. 1999-07-09T04:31:21.24 10.0 undecidable manual PG 297 0.3441 0.08 1.5
--.ZC9.Z. 1999-07-09T04:31:19.90 10.0 undecidable manual SG 47 0.1221 0.21 0.6
--.GU9.Z. 1999-07-09T04:31:18.23 10.0 undecidable manual PG 296 0.1998 0.2 1.4
--.ZC9.Z. 1999-07-09T04:31:16.26 10.0 positive manual PG 47 0.1221 -0.33 2.5
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