Earthquake with magnitude of Md 2.3 on date 04-03-1994 and time 01:06:34 (UTC) in region 3 km W Piazza al Serchio (LU)

A magnitude Md 2.3 earthquake occured in region: 3 km W Piazza al Serchio (LU), on

  • 04-03-1994 01:06:34 (UTC)
  • 04-03-1994 02:06:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1800, 10.2580 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
Piazza al Serchio LU 4 2367 2367
Minucciano LU 4 2102 4469
Sillano Giuncugnano LU 6 1085 5554
Camporgiano LU 7 2176 7730
Casola in Lunigiana MS 7 988 8718
San Romano in Garfagnana LU 7 1410 10128
Vagli Sotto LU 7 939 11067
Careggine LU 8 564 11631
Villa Collemandina LU 11 1334 12965
Fivizzano MS 13 7925 20890
Castiglione di Garfagnana LU 13 1818 22708
Pieve Fosciana LU 13 2414 25122
Castelnuovo di Garfagnana LU 15 5950 31072
Comano MS 16 714 31786
Carrara MS 17 63133 94919
Fosciandora LU 17 602 95521
Fabbriche di Vergemoli LU 17 768 96289
Molazzana LU 18 1043 97332
Massa MS 18 69479 166811
Montignoso MS 19 10323 177134
Gallicano LU 19 3807 180941
Fosdinovo MS 20 4883 185824
Licciana Nardi MS 20 4949 190773

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Carrara (63133 inhabitants)
18 Km NE of Massa (69479 inhabitants)
35 Km N of Viareggio (62467 inhabitants)
35 Km E of La Spezia (93959 inhabitants)
42 Km NW of Lucca (89046 inhabitants)
53 Km N of Pisa (89158 inhabitants)
59 Km W of Pistoia (90315 inhabitants)
65 Km SW of Reggio nell'Emilia (171345 inhabitants)
69 Km S of Parma (192836 inhabitants)
70 Km N of Livorno (159219 inhabitants)
74 Km SW of Modena (184973 inhabitants)
75 Km W of Prato (191150 inhabitants)
84 Km SW of Carpi (70699 inhabitants)
88 Km NW of Scandicci (50609 inhabitants)
92 Km W of Firenze (382808 inhabitants)
93 Km W of Bologna (386663 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 2.3
ML-VAX 1.5
1994-03-04
01:06:34
44.18 10.258 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 206049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-03-04 01:06:34 ± 0.316
Latitude 44.1800 ± 0.0142
Longitude 10.2580 ± 0.0200
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 206049

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) 2239.4
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.01206
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 206049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:14:03

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 206049
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(km) Takeoff_angle Residual Weight
--.CRE.Z. 1994-03-04T01:07:01.19 10.0 undecidable manual PN 114 1.3431 1.64 0.1
--.ZC9.Z. 1994-03-04T01:06:54.61 10.0 undecidable manual SG 71 0.5439 0.02 0.7
--.PII.Z. 1994-03-04T01:06:52.63 10.0 undecidable manual SG 157 0.4995 -0.49 0.5
--.BOB.Z. 1994-03-04T01:06:51.22 10.0 undecidable manual PG 315 0.8214 0.01 1.3
--.ZC9.Z. 1994-03-04T01:06:46.68 10.0 undecidable manual PG 71 0.5439 0.67 1.1
--.MME.Z. 1994-03-04T01:06:46.23 10.0 undecidable manual SG 87 0.3108 -0.4 0.6
--.GU9.Z. 1994-03-04T01:06:45.66 10.0 undecidable manual SG 54 0.2886 0.02 0.7
--.BDI.Z. 1994-03-04T01:06:45.16 10.0 undecidable manual SG 115 0.2664 0.32 0.6
--.PII.Z. 1994-03-04T01:06:44.25 10.0 undecidable manual PG 157 0.4995 -0.91 0.7
--.MME.Z. 1994-03-04T01:06:41.34 10.0 undecidable manual PG 87 0.3108 -0.07 1.7
--.GU9.Z. 1994-03-04T01:06:40.21 10.0 positive manual PG 54 0.2886 -0.63 2.3
--.BDI.Z. 1994-03-04T01:06:40.37 10.0 undecidable manual PG 115 0.2664 -0.01 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download