Earthquake with magnitude of Md 2.2 on date 25-12-1992 and time 04:54:40 (Italy) in region 4 km S Vernio (PO)

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

  • 25-12-1992 03:54:40 (UTC)
  • 25-12-1992 04:54:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0220, 11.1680 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
Vernio PO 4 6060 6060
Cantagallo PO 5 3105 9165
Barberino di Mugello FI 6 10836 20001
Vaiano PO 7 9895 29896
Castiglione dei Pepoli BO 14 5648 35544
Scarperia e San Piero FI 14 12217 47761
Montemurlo PO 15 18456 66217
Montale PT 15 10737 76954
Vaglia FI 16 5073 82027
Sambuca Pistoiese PT 16 1626 83653
Prato PO 17 191150 274803
Calenzano FI 17 17489 292292
Camugnano BO 18 1885 294177
Agliana PT 18 17525 311702
Castel di Casio BO 19 3448 315150
Borgo San Lorenzo FI 19 18211 333361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Prato (191150 inhabitants)
22 Km E of Pistoia (90315 inhabitants)
29 Km N of Firenze (382808 inhabitants)
29 Km N of Scandicci (50609 inhabitants)
54 Km S of Bologna (386663 inhabitants)
57 Km E of Lucca (89046 inhabitants)
57 Km SW of Imola (69797 inhabitants)
64 Km W of Faenza (58541 inhabitants)
70 Km E of Pisa (89158 inhabitants)
72 Km S of Modena (184973 inhabitants)
73 Km W of Forlì (117913 inhabitants)
75 Km E of Viareggio (62467 inhabitants)
79 Km N of Siena (53903 inhabitants)
82 Km E of Massa (69479 inhabitants)
84 Km NW of Arezzo (99543 inhabitants)
86 Km E of Carrara (63133 inhabitants)
86 Km NE of Livorno (159219 inhabitants)
87 Km SE of Reggio nell'Emilia (171345 inhabitants)
87 Km W of Cesena (96758 inhabitants)
88 Km S of Carpi (70699 inhabitants)
93 Km W of Ravenna (159116 inhabitants)
98 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 2.2 1992-12-25
03:54:40
44.022 11.168 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 177769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-12-25 03:54:40 ± 0.213
Latitude 44.0220 ± 0.0461
Longitude 11.1680 ± 0.0228
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 177769

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) 5438.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00494
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 177769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:46:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SFI.Z. 1992-12-25T03:54:58.29 10.0 undecidable manual SG 102 0.4995 -0.13 0.7
--.PII.Z. 1992-12-25T03:54:58.59 10.0 undecidable manual SG 236 0.5439 -1.44 0
--.PGD.Z. 1992-12-25T03:54:56.39 10.0 undecidable manual SG 109 0.4218 0.49 0.5
--.MME.Z. 1992-12-25T03:54:55.11 10.0 undecidable manual SG 296 0.3663 0.73 0.3
--.BDI.Z. 1992-12-25T03:54:55.93 10.0 undecidable manual SG 275 0.3996 0.42 0.5
--.PII.Z. 1992-12-25T03:54:52.66 10.0 undecidable manual PG 236 0.5439 0.94 0.4
--.SFI.Z. 1992-12-25T03:54:50.28 10.0 undecidable manual PG 102 0.4995 -0.51 1.1
--.PGD.Z. 1992-12-25T03:54:49.61 10.0 undecidable manual PG 109 0.4218 0.28 1.6
--.BDI.Z. 1992-12-25T03:54:48.75 10.0 undecidable manual PG 275 0.3996 -0.36 1.5
--.MME.Z. 1992-12-25T03:54:48.26 10.0 positive manual PG 296 0.3663 -0.19 3.4
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