Earthquake with magnitude of Md 2.0 on date 25-12-1992 and time 04:04:14 (Italy) in region 3 km NE Vaiano (PO)

A magnitude Md 2.0 earthquake occured in region: 3 km NE Vaiano (PO), on

  • 25-12-1992 03:04:14 (UTC)
  • 25-12-1992 04:04:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.99, 11.15 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
Vaiano PO 3 9895 9895
Cantagallo PO 6 3105 13000
Vernio PO 7 6060 19060
Barberino di Mugello FI 8 10836 29896
Montemurlo PO 11 18456 48352
Montale PT 12 10737 59089
Prato PO 13 191150 250239
Calenzano FI 14 17489 267728
Vaglia FI 14 5073 272801
Scarperia e San Piero FI 14 12217 285018
Agliana PT 15 17525 302543
Castiglione dei Pepoli BO 17 5648 308191
Sambuca Pistoiese PT 18 1626 309817
Sesto Fiorentino FI 18 48958 358775
Campi Bisenzio FI 19 46166 404941
Pistoia PT 19 90315 495256
Borgo San Lorenzo FI 20 18211 513467

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NE of Prato (191150 inhabitants)
19 Km E of Pistoia (90315 inhabitants)
26 Km N of Scandicci (50609 inhabitants)
26 Km NW of Firenze (382808 inhabitants)
54 Km E of Lucca (89046 inhabitants)
58 Km S of Bologna (386663 inhabitants)
61 Km SW of Imola (69797 inhabitants)
67 Km E of Pisa (89158 inhabitants)
67 Km W of Faenza (58541 inhabitants)
73 Km E of Viareggio (62467 inhabitants)
75 Km S of Modena (184973 inhabitants)
76 Km N of Siena (53903 inhabitants)
76 Km W of Forlì (117913 inhabitants)
81 Km E of Massa (69479 inhabitants)
83 Km NW of Arezzo (99543 inhabitants)
83 Km NE of Livorno (159219 inhabitants)
85 Km E of Carrara (63133 inhabitants)
89 Km SE of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Cesena (96758 inhabitants)
91 Km S of Carpi (70699 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
Rev 1000 Md 2.0 1992-12-25
03:04:14
43.99 11.15 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 177749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-12-25 03:04:14 ± 0.163
Latitude 43.99 ± 0.02
Longitude 11.15 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 177749

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) 2456
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.0034
Epicentral distance of station farthest from the epicenter (degree) 0.00615
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 177749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:46:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1992-12-25T03:04:38.68 10.0 undecidable manual SG 121 0.0062 0 0.6
--.GU9.Z. 1992-12-25T03:04:34.11 10.0 undecidable manual SG 311 0.0049 0.13 0.7
--.SFI.Z. 1992-12-25T03:04:32.73 10.0 undecidable manual SG 99 0.0045 -0.3 0.6
--.PII.Z. 1992-12-25T03:04:32.20 10.0 undecidable manual SG 239 0.0047 -1.43 0
--.PGD.Z. 1992-12-25T03:04:30.11 10.0 undecidable manual SG 104 0.0038 -0.27 0.6
--.BDI.Z. 1992-12-25T03:04:30.38 10.0 undecidable manual SG 280 0.0036 0.81 0.3
--.CRE.Z. 1992-12-25T03:04:29.40 10.0 negative manual PG 121 0.0062 0.84 1
--.MME.Z. 1992-12-25T03:04:29.57 10.0 undecidable manual SG 302 0.0034 0.7 0.3
--.PII.Z. 1992-12-25T03:04:25.89 10.0 undecidable manual PG 239 0.0047 0.35 1.4
--.GU9.Z. 1992-12-25T03:04:25.38 10.0 undecidable manual PG 311 0.0049 -0.46 1.2
--.SFI.Z. 1992-12-25T03:04:24.56 10.0 undecidable manual PG 99 0.0045 -0.73 0.7
--.PGD.Z. 1992-12-25T03:04:23.27 10.0 undecidable manual PG 104 0.0038 -0.49 1.2
--.BDI.Z. 1992-12-25T03:04:23.24 10.0 undecidable manual PG 280 0.0036 -0.06 1.8
--.ZC9.Z. 1992-12-25T03:04:23.35 10.0 undecidable manual PG 341 0.0034 0.43 1.3
--.MME.Z. 1992-12-25T03:04:22.63 10.0 positive manual PG 302 0.0034 -0.26 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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