Earthquake with magnitude of Md 2.4 on date 04-01-1989 and time 06:39:13 (Italy) in region 2 km SE Barberino di Mugello (FI)

A magnitude Md 2.4 earthquake occured in region: 2 km SE Barberino di Mugello (FI), on

  • 04-01-1989 05:39:13 (UTC)
  • 04-01-1989 06:39:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.99, 11.25 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 2 10836 10836
Scarperia e San Piero FI 6 12217 23053
Vaglia FI 9 5073 28126
Vaiano PO 11 9895 38021
Vernio PO 11 6060 44081
Borgo San Lorenzo FI 11 18211 62292
Cantagallo PO 13 3105 65397
Calenzano FI 15 17489 82886
Prato PO 17 191150 274036
Sesto Fiorentino FI 18 48958 322994
Firenzuola FI 18 4726 327720
Vicchio FI 18 8044 335764
Montemurlo PO 18 18456 354220
Castiglione dei Pepoli BO 19 5648 359868
Montale PT 19 10737 370605
Fiesole FI 20 13969 384574

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Prato (191150 inhabitants)
24 Km N of Firenze (382808 inhabitants)
26 Km N of Scandicci (50609 inhabitants)
27 Km E of Pistoia (90315 inhabitants)
55 Km SW of Imola (69797 inhabitants)
57 Km S of Bologna (386663 inhabitants)
60 Km SW of Faenza (58541 inhabitants)
62 Km E of Lucca (89046 inhabitants)
68 Km W of Forlì (117913 inhabitants)
74 Km N of Siena (53903 inhabitants)
75 Km E of Pisa (89158 inhabitants)
77 Km NW of Arezzo (99543 inhabitants)
78 Km SE of Modena (184973 inhabitants)
81 Km W of Cesena (96758 inhabitants)
81 Km E of Viareggio (62467 inhabitants)
89 Km E of Massa (69479 inhabitants)
90 Km SW of Ravenna (159116 inhabitants)
90 Km NE of Livorno (159219 inhabitants)
93 Km E of Carrara (63133 inhabitants)
93 Km SE of Carpi (70699 inhabitants)
93 Km SE of Reggio nell'Emilia (171345 inhabitants)
99 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
Rev 1000 Md 2.4
ML-VAX 2.1
1989-01-04
05:39:13
43.99 11.25 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 84639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-04 05:39:13 ± 0.24
Latitude 43.99 ± 0.03
Longitude 11.25 ± 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 84639

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) 3375.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.01352
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 84639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:19:27

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 84639
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 Takeoff_angle Residual Weight
--.BOB.Z. 1989-01-04T05:39:41.51 10.0 negative manual PN 301 0.0135 0.95 1.5
--.CRE.Z. 1989-01-04T05:39:36.20 10.0 undecidable manual SG 125 0.0056 0.3 0.8
--.PII.Z. 1989-01-04T05:39:35.40 10.0 undecidable manual SG 243 0.0053 0.25 0.8
--.BDI.Z. 1989-01-04T05:39:31.20 10.0 undecidable manual SG 279 0.0043 -0.03 1.3
--.SFI.Z. 1989-01-04T05:39:29.68 10.0 undecidable manual SG 100 0.0039 -0.23 0.8
--.PGD.Z. 1989-01-04T05:39:28.10 10.0 undecidable manual SG 107 0.0032 1.18 0.3
--.CRE.Z. 1989-01-04T05:39:27.20 10.0 undecidable manual PG 125 0.0056 0.96 1
--.PII.Z. 1989-01-04T05:39:25.26 10.0 undecidable manual PG 243 0.0053 -0.34 1.9
--.BDI.Z. 1989-01-04T05:39:23.00 10.0 undecidable manual PG 279 0.0043 -0.54 1.4
--.SFI.Z. 1989-01-04T05:39:21.74 10.0 undecidable manual PG 100 0.0039 -1.04 0.6
--.PGD.Z. 1989-01-04T05:39:20.50 10.0 undecidable manual PG 107 0.0032 -0.5 1.6
--.MME.Z. 1989-01-04T05:39:19.84 10.0 undecidable manual PG! 297 0.004 -3.15 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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