Earthquake with magnitude of Md 2.1 on date 30-11-1990 and time 05:25:50 (Italy) in region 4 km NE Barberino di Mugello (FI)

A magnitude Md 2.1 earthquake occured in region: 4 km NE Barberino di Mugello (FI), on

  • 30-11-1990 04:25:50 (UTC)
  • 30-11-1990 05:25:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.03, 11.28 at 5 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
Barberino di Mugello FI 5 10836 10836
Scarperia e San Piero FI 8 12217 23053
Vernio PO 11 6060 29113
Borgo San Lorenzo FI 12 18211 47324
Firenzuola FI 13 4726 52050
Vaglia FI 13 5073 57123
Cantagallo PO 14 3105 60228
Vaiano PO 14 9895 70123
Castiglione dei Pepoli BO 16 5648 75771
Vicchio FI 18 8044 83815

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Prato (191150 inhabitants)
29 Km N of Firenze (382808 inhabitants)
31 Km E of Pistoia (90315 inhabitants)
31 Km N of Scandicci (50609 inhabitants)
50 Km SW of Imola (69797 inhabitants)
52 Km S of Bologna (386663 inhabitants)
56 Km SW of Faenza (58541 inhabitants)
64 Km W of Forlì (117913 inhabitants)
66 Km E of Lucca (89046 inhabitants)
75 Km SE of Modena (184973 inhabitants)
78 Km W of Cesena (96758 inhabitants)
79 Km E of Pisa (89158 inhabitants)
79 Km NW of Arezzo (99543 inhabitants)
79 Km N of Siena (53903 inhabitants)
85 Km E of Viareggio (62467 inhabitants)
85 Km SW of Ravenna (159116 inhabitants)
90 Km SE of Carpi (70699 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
91 Km E of Massa (69479 inhabitants)
94 Km SW of Ferrara (133155 inhabitants)
94 Km NE of Livorno (159219 inhabitants)
95 Km E of Carrara (63133 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 2.1 1990-11-30
04:25:50
44.03 11.28 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 131779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-11-30 04:25:50 ± 0.184
Latitude 44.03 ± 0.02
Longitude 11.28 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 131779

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) 2894.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.00567
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 131779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:02:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1990-11-30T04:26:15.50 10.0 undecidable manual SG 130 0.0057 1.41 0
--.PII.Z. 1990-11-30T04:26:13.50 10.0 undecidable manual SG 241 0.0056 -0.44 0.5
--.BDI.Z. 1990-11-30T04:26:10.00 10.0 undecidable manual SG 274 0.0044 0.32 0.7
--.MME.Z. 1990-11-30T04:26:08.34 10.0 undecidable manual SG 292 0.004 0.06 0.9
--.CRE.Z. 1990-11-30T04:26:07.00 10.0 undecidable manual PG! 130 0.0057 2.69 0
--.SFI.Z. 1990-11-30T04:26:07.00 10.0 undecidable manual SG 106 0.0038 -0.42 0.6
--.PGD.Z. 1990-11-30T04:26:04.00 10.0 undecidable manual SG 115 0.0031 -0.57 0.4
--.PII.Z. 1990-11-30T04:26:04.10 10.0 undecidable manual PG 241 0.0056 -0.13 1.8
--.MME.Z. 1990-11-30T04:26:01.28 10.0 undecidable manual PG 292 0.004 0.32 1.7
--.BDI.Z. 1990-11-30T04:26:01.50 10.0 undecidable manual PG 274 0.0044 -0.27 1.8
--.SFI.Z. 1990-11-30T04:26:00.20 10.0 undecidable manual PG 106 0.0038 -0.26 1.8
--.PGD.Z. 1990-11-30T04:25:59.00 10.0 undecidable manual PG 115 0.0031 0.18 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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