Earthquake with magnitude of Md 2.2 on date 03-08-1992 and time 02:25:07 (Italy) in region 4 km W Vaiano (PO)

A magnitude Md 2.2 earthquake occured in region: 4 km W Vaiano (PO), on

  • 03-08-1992 00:25:07 (UTC)
  • 03-08-1992 02:25:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9560, 11.0770 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 4 9895 9895
Montemurlo PO 4 18456 28351
Montale PT 5 10737 39088
Agliana PT 8 17525 56613
Prato PO 8 191150 247763
Cantagallo PO 9 3105 250868
Calenzano FI 12 17489 268357
Vernio PO 13 6060 274417
Pistoia PT 13 90315 364732
Barberino di Mugello FI 14 10836 375568
Quarrata PT 14 26190 401758
Poggio a Caiano PO 16 10007 411765
Campi Bisenzio FI 16 46166 457931
Carmignano PO 16 14450 472381
Sesto Fiorentino FI 17 48958 521339
Vaglia FI 17 5073 526412
Sambuca Pistoiese PT 18 1626 528038
Signa FI 19 19179 547217
Scarperia e San Piero FI 20 12217 559434

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km N of Prato (191150 inhabitants)
13 Km E of Pistoia (90315 inhabitants)
24 Km NW of Scandicci (50609 inhabitants)
25 Km NW of Firenze (382808 inhabitants)
48 Km E of Lucca (89046 inhabitants)
60 Km E of Pisa (89158 inhabitants)
64 Km SW of Bologna (386663 inhabitants)
67 Km E of Viareggio (62467 inhabitants)
68 Km SW of Imola (69797 inhabitants)
74 Km N of Siena (53903 inhabitants)
74 Km W of Faenza (58541 inhabitants)
75 Km E of Massa (69479 inhabitants)
76 Km NE of Livorno (159219 inhabitants)
78 Km S of Modena (184973 inhabitants)
80 Km E of Carrara (63133 inhabitants)
83 Km W of Forlì (117913 inhabitants)
85 Km NW of Arezzo (99543 inhabitants)
90 Km SE of Reggio nell'Emilia (171345 inhabitants)
93 Km S of Carpi (70699 inhabitants)
95 Km W of Cesena (96758 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 2.2 1992-08-03
00:25:07
43.956 11.077 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 170759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-08-03 00:25:07 ± 0.168
Latitude 43.9560 ± 0.0153
Longitude 11.0770 ± 0.0140
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 170759

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) 2034.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.00639
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 170759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:39:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1992-08-03T00:25:32.97 10.0 undecidable manual SG 117 0.7104 0.91 0.2
--.GU9.Z. 1992-08-03T00:25:26.17 10.0 undecidable manual SG 318 0.5217 0.08 0.8
--.PII.Z. 1992-08-03T00:25:24.63 10.0 undecidable manual SG 239 0.4551 0.65 0.4
--.PGD.Z. 1992-08-03T00:25:23.67 10.0 undecidable manual SG 99 0.4662 -0.58 0.5
--.CRE.Z. 1992-08-03T00:25:21.74 10.0 undecidable manual PG 117 0.7104 0.18 1.7
--.MME.Z. 1992-08-03T00:25:20.50 10.0 undecidable manual SG 311 0.3552 -0.2 0.8
--.BDI.Z. 1992-08-03T00:25:20.00 10.0 undecidable manual SG 287 0.3552 -0.73 0.3
--.GU9.Z. 1992-08-03T00:25:18.15 10.0 undecidable manual PG 318 0.5217 0.04 2.1
--.PII.Z. 1992-08-03T00:25:16.62 10.0 undecidable manual PG 239 0.4551 -0.28 1.9
--.MME.Z. 1992-08-03T00:25:16.00 10.0 undecidable manual PG 311 0.3552 0.99 0.4
--.PGD.Z. 1992-08-03T00:25:16.62 10.0 undecidable manual PG 99 0.4662 -0.43 1.5
--.BDI.Z. 1992-08-03T00:25:14.57 10.0 undecidable manual PG 287 0.3552 -0.45 1.5
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