Earthquake with magnitude of Md 2.3 on date 10-12-1997 and time 14:37:35 (Italy) in region 5 km SW Alto Reno Terme (BO)

A magnitude Md 2.3 earthquake occured in region: 5 km SW Alto Reno Terme (BO), on

  • 10-12-1997 13:37:35 (UTC)
  • 10-12-1997 14:37:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1230, 10.9320 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
Alto Reno Terme BO 5 6960 6960
Lizzano in Belvedere BO 5 2212 9172
Sambuca Pistoiese PT 6 1626 10798
Gaggio Montano BO 9 4878 15676
Castel di Casio BO 10 3448 19124
San Marcello Pistoiese PT 13 6416 25540
Camugnano BO 14 1885 27425
Cutigliano PT 14 1488 28913
Fanano MO 14 2989 31902
Montese MO 16 3353 35255
Piteglio PT 17 1683 36938
Sestola MO 18 2508 39446
Cantagallo PO 18 3105 42551
Castiglione dei Pepoli BO 18 5648 48199
Castel d'Aiano BO 19 1906 50105
Vernio PO 20 6060 56165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Pistoia (90315 inhabitants)
30 Km NW of Prato (191150 inhabitants)
45 Km NW of Scandicci (50609 inhabitants)
46 Km NE of Lucca (89046 inhabitants)
47 Km NW of Firenze (382808 inhabitants)
53 Km SW of Bologna (386663 inhabitants)
58 Km S of Modena (184973 inhabitants)
61 Km E of Viareggio (62467 inhabitants)
62 Km NE of Pisa (89158 inhabitants)
64 Km E of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
68 Km W of Imola (69797 inhabitants)
68 Km SE of Reggio nell'Emilia (171345 inhabitants)
74 Km S of Carpi (70699 inhabitants)
78 Km W of Faenza (58541 inhabitants)
81 Km NE of Livorno (159219 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
89 Km W of Forlì (117913 inhabitants)
89 Km SE of Parma (192836 inhabitants)
95 Km NW of Siena (53903 inhabitants)
96 Km SW of Ferrara (133155 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 1.5
1997-12-10
13:37:35
44.123 10.932 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 316399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-12-10 13:37:35 ± 0.067
Latitude 44.1230 ± 0.0051
Longitude 10.9320 ± 0.0068
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 316399

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) 783.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00300
Epicentral distance of station farthest from the epicenter (degree) 0.00793
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 316399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:56:40

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 316399
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
--.SFI.Z. 1997-12-10T13:37:59.45 10.0 undecidable manual SG 107 0.6882 -0.35 0.1
--.PII.Z. 1997-12-10T13:37:53.69 10.0 undecidable manual SG 216 0.4995 0.19 0.4
--.CRE.Z. 1997-12-10T13:37:53.45 10.0 undecidable manual PG 123 0.8769 0.23 0.5
--.SFI.Z. 1997-12-10T13:37:49.61 10.0 undecidable manual PG 107 0.6882 0.03 1.7
--.CSNT.Z. 1997-12-10T13:37:49.68 10.0 undecidable manual PG 157 0.6882 -0.02 1.7
--.GU9.Z. 1997-12-10T13:37:48.34 10.0 undecidable manual SG 312 0.333 0.06 0.7
--.PII.Z. 1997-12-10T13:37:45.76 10.0 undecidable manual PG 216 0.4995 -0.18 1
--.GU9.Z. 1997-12-10T13:37:42.90 10.0 undecidable manual PG 312 0.333 -0.02 1.9
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