Earthquake with magnitude of Md 2.7 on date 07-09-1998 and time 05:53:04 (Italy) in region 9 km SE San Benedetto Val di Sambro (BO)

A magnitude Md 2.7 earthquake occured in region: 9 km SE San Benedetto Val di Sambro (BO), on

  • 07-09-1998 03:53:04 (UTC)
  • 07-09-1998 05:53:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.14, 11.27 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
San Benedetto Val di Sambro BO 9 4315 4315
Castiglione dei Pepoli BO 9 5648 9963
Firenzuola FI 9 4726 14689
Monghidoro BO 10 3749 18438
Vernio PO 13 6060 24498
Camugnano BO 15 1885 26383
Loiano BO 15 4294 30677
Monzuno BO 15 6328 37005
Barberino di Mugello FI 16 10836 47841
Grizzana Morandi BO 16 3916 51757
Cantagallo PO 18 3105 54862
Castel di Casio BO 19 3448 58310

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Prato (191150 inhabitants)
36 Km NE of Pistoia (90315 inhabitants)
40 Km S of Bologna (386663 inhabitants)
41 Km N of Firenze (382808 inhabitants)
43 Km SW of Imola (69797 inhabitants)
43 Km N of Scandicci (50609 inhabitants)
52 Km W of Faenza (58541 inhabitants)
62 Km SE of Modena (184973 inhabitants)
63 Km W of Forlì (117913 inhabitants)
69 Km E of Lucca (89046 inhabitants)
78 Km SE of Carpi (70699 inhabitants)
78 Km W of Cesena (96758 inhabitants)
80 Km SE of Reggio nell'Emilia (171345 inhabitants)
80 Km W of Ravenna (159116 inhabitants)
82 Km SW of Ferrara (133155 inhabitants)
84 Km NE of Pisa (89158 inhabitants)
87 Km E of Viareggio (62467 inhabitants)
90 Km NW of Arezzo (99543 inhabitants)
91 Km E of Massa (69479 inhabitants)
92 Km N of Siena (53903 inhabitants)
94 Km E of Carrara (63133 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 1000 Md 2.7
ML-VAX 1.5
1998-09-07
03:53:04
44.14 11.27 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 350319
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-09-07 03:53:04 ± 0.263
Latitude 44.14 ± 0.02
Longitude 11.27 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 350319

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) 2447
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.01344
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 350319
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:28:10

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 350319
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 Takeoff_angle Residual Weight
--.SNTG.Z. 1998-09-07T03:53:33.34 10.0 undecidable manual PN 125 0.0134 1.2 0.3
--.CSNT.Z. 1998-09-07T03:53:30.42 10.0 undecidable manual SG 178 0.006 1.37 0.1
--.PII.Z. 1998-09-07T03:53:29.00 10.0 undecidable manual SG 231 0.0061 -0.41 0.6
--.SFI.Z. 1998-09-07T03:53:23.36 10.0 undecidable manual SG 119 0.0043 0.36 0.7
--.BDI.Z. 1998-09-07T03:53:23.25 10.0 undecidable manual SG 260 0.0044 0.02 0.8
--.PII.Z. 1998-09-07T03:53:19.14 10.0 undecidable manual PG 231 0.0061 0.16 1.8
--.CRE.Z. 1998-09-07T03:53:19.58 10.0 undecidable manual PG 136 0.0064 -0.09 1.8
--.CSNT.Z. 1998-09-07T03:53:17.98 10.0 undecidable manual PG 178 0.006 -0.79 1
--.BDI.Z. 1998-09-07T03:53:15.31 10.0 undecidable manual PG 260 0.0044 -0.1 2
--.ZC9.Z. 1998-09-07T03:53:15.78 10.0 undecidable manual SG 315 0.0026 -0.46 0.6
--.SFI.Z. 1998-09-07T03:53:14.15 10.0 undecidable manual PG 119 0.0043 -1.13 0.6
--.ZC9.Z. 1998-09-07T03:53:11.79 10.0 undecidable manual PG 315 0.0026 0.41 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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