Earthquake with magnitude of Md 2.4 on date 25-02-1993 and time 20:14:35 (UTC) in region 8 km NE Sillano Giuncugnano (LU)

A magnitude Md 2.4 earthquake occured in region: 8 km NE Sillano Giuncugnano (LU), on

  • 25-02-1993 20:14:35 (UTC)
  • 25-02-1993 21:14:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.2870, 10.3560 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
Sillano Giuncugnano LU 8 1085 1085
Ventasso RE 10 4295 5380
Piazza al Serchio LU 12 2367 7747
Villa Minozzo RE 13 3750 11497
San Romano in Garfagnana LU 13 1410 12907
Camporgiano LU 14 2176 15083
Villa Collemandina LU 15 1334 16417
Castiglione di Garfagnana LU 16 1818 18235
Casola in Lunigiana MS 17 988 19223
Castelnovo ne' Monti RE 17 10465 29688
Frassinoro MO 17 1926 31614
Minucciano LU 17 2102 33716
Comano MS 18 714 34430
Pieve Fosciana LU 18 2414 36844
Careggine LU 19 564 37408
Toano RE 19 4463 41871
Fivizzano MS 19 7925 49796
Vagli Sotto LU 20 939 50735
Castelnuovo di Garfagnana LU 20 5950 56685

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Carrara (63133 inhabitants)
33 Km NE of Massa (69479 inhabitants)
47 Km E of La Spezia (93959 inhabitants)
47 Km N of Viareggio (62467 inhabitants)
51 Km N of Lucca (89046 inhabitants)
51 Km SW of Reggio nell'Emilia (171345 inhabitants)
57 Km S of Parma (192836 inhabitants)
60 Km NW of Pistoia (90315 inhabitants)
61 Km SW of Modena (184973 inhabitants)
64 Km N of Pisa (89158 inhabitants)
69 Km SW of Carpi (70699 inhabitants)
75 Km NW of Prato (191150 inhabitants)
82 Km N of Livorno (159219 inhabitants)
82 Km W of Bologna (386663 inhabitants)
88 Km NW of Scandicci (50609 inhabitants)
92 Km NW of Firenze (382808 inhabitants)
98 Km S of Cremona (71901 inhabitants)
100 Km SE of Piacenza (102191 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 2.4
ML-VAX 2.1
1993-02-25
20:14:35
44.287 10.356 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 180799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-02-25 20:14:35 ± 0.325
Latitude 44.2870 ± 0.0175
Longitude 10.3560 ± 0.0240
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 180799

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) 2728.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01190
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 5
Type of magnitude Md
Reference to an origin 180799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:49:37

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 180799
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. 1993-02-25T20:15:02.70 10.0 undecidable manual PN 119 1.3209 1.53 0.1
--.SFI.Z. 1993-02-25T20:14:59.16 10.0 undecidable manual PN 109 1.1322 1.23 0.2
--.PII.Z. 1993-02-25T20:14:56.75 10.0 undecidable manual SG 168 0.5772 -0.16 0.5
--.ZC9.Z. 1993-02-25T20:14:53.29 10.0 undecidable manual SG 81 0.444 0.51 0.4
--.BOB.Z. 1993-02-25T20:14:51.86 10.0 undecidable manual PG 307 0.7992 -0.2 1.1
--.PII.Z. 1993-02-25T20:14:47.57 10.0 undecidable manual PG 168 0.5772 -0.28 1.2
--.BDI.Z. 1993-02-25T20:14:46.49 10.0 undecidable manual SG 142 0.2775 -0.04 0.5
--.MME.Z. 1993-02-25T20:14:45.92 10.0 undecidable manual SG 110 0.2553 0.14 0.5
--.ZC9.Z. 1993-02-25T20:14:44.82 10.0 positive manual PG 81 0.444 -0.65 1.7
--.MME.Z. 1993-02-25T20:14:41.90 10.0 positive manual PG 110 0.2553 -0.33 2.4
--.BDI.Z. 1993-02-25T20:14:41.62 10.0 negative manual PG 142 0.2775 -0.24 2.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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