Earthquake with magnitude of Md 2.3 on date 13-01-1991 and time 06:59:05 (Italy) in region 5 km NW Cantagallo (PO)

A magnitude Md 2.3 earthquake occured in region: 5 km NW Cantagallo (PO), on

  • 13-01-1991 05:59:05 (UTC)
  • 13-01-1991 06:59:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0690, 11.0910 at 16 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
Cantagallo PO 5 3105 3105
Vernio PO 6 6060 9165
Sambuca Pistoiese PT 8 1626 10791
Castiglione dei Pepoli BO 10 5648 16439
Camugnano BO 11 1885 18324
Vaiano PO 11 9895 28219
Castel di Casio BO 11 3448 31667
Alto Reno Terme BO 13 6960 38627
Barberino di Mugello FI 14 10836 49463
Montale PT 16 10737 60200
Montemurlo PO 16 18456 78656
Lizzano in Belvedere BO 19 2212 80868
Gaggio Montano BO 19 4878 85746
Agliana PT 20 17525 103271
San Benedetto Val di Sambro BO 20 4315 107586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Pistoia (90315 inhabitants)
21 Km N of Prato (191150 inhabitants)
35 Km N of Scandicci (50609 inhabitants)
36 Km NW of Firenze (382808 inhabitants)
52 Km SW of Bologna (386663 inhabitants)
53 Km E of Lucca (89046 inhabitants)
59 Km SW of Imola (69797 inhabitants)
66 Km S of Modena (184973 inhabitants)
68 Km NE of Pisa (89158 inhabitants)
68 Km W of Faenza (58541 inhabitants)
71 Km E of Viareggio (62467 inhabitants)
76 Km E of Massa (69479 inhabitants)
78 Km W of Forlì (117913 inhabitants)
79 Km SE of Reggio nell'Emilia (171345 inhabitants)
79 Km E of Carrara (63133 inhabitants)
81 Km S of Carpi (70699 inhabitants)
85 Km NE of Livorno (159219 inhabitants)
86 Km N of Siena (53903 inhabitants)
92 Km W of Cesena (96758 inhabitants)
92 Km NW of Arezzo (99543 inhabitants)
95 Km SW of Ferrara (133155 inhabitants)
97 Km W of Ravenna (159116 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 2.1
1991-01-13
05:59:05
44.069 11.091 16 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 134139
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-01-13 05:59:05 ± 0.178
Latitude 44.0690 ± 0.0170
Longitude 11.0910 ± 0.0165
Depth (km) 16 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 134139

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) 2309.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01303
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 134139
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:05:04

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 134139
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
--.CRE.Z. 1991-01-13T05:59:32.79 10.0 undecidable manual SG 125 0.7659 1.04 0
--.ARV.Z. 1991-01-13T05:59:30.50 10.0 undecidable manual PN 112 1.443 0.03 0.8
--.PII.Z. 1991-01-13T05:59:24.31 10.0 undecidable manual SG 229 0.5328 -0.12 0.5
--.SFI.Z. 1991-01-13T05:59:24.70 10.0 undecidable manual SG 106 0.5661 -0.77 0
--.CRE.Z. 1991-01-13T05:59:20.11 10.0 undecidable manual PG 125 0.7659 -0.41 0.5
--.BDI.Z. 1991-01-13T05:59:18.76 10.0 undecidable manual SG 268 0.3552 0.06 0.6
--.MME.Z. 1991-01-13T05:59:17.46 10.0 undecidable manual SG 293 0.3108 0.23 0.4
--.SFI.Z. 1991-01-13T05:59:17.17 10.0 undecidable manual PG 106 0.5661 0.28 1
--.PII.Z. 1991-01-13T05:59:16.23 10.0 undecidable manual PG 229 0.5328 -0.06 1.4
--.BDI.Z. 1991-01-13T05:59:13.00 10.0 negative manual PG 268 0.3552 0.02 2.9
--.MME.Z. 1991-01-13T05:59:12.10 10.0 positive manual PG 293 0.3108 -0.04 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download