Earthquake with magnitude of Md 2.5 on date 21-12-1992 and time 03:20:00 (Italy) in region 7 km NE Fosdinovo (MS)

A magnitude Md 2.5 earthquake occured in region: 7 km NE Fosdinovo (MS), on

  • 21-12-1992 02:20:00 (UTC)
  • 21-12-1992 03:20:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1690, 10.0980 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
Casola in Lunigiana MS 7 988 988
Fosdinovo MS 7 4883 5871
Fivizzano MS 8 7925 13796
Minucciano LU 9 2102 15898
Castelnuovo Magra SP 10 8415 24313
Carrara MS 10 63133 87446
Ortonovo SP 10 8277 95723
Aulla MS 11 11263 106986
Licciana Nardi MS 12 4949 111935
Sarzana SP 13 21976 133911
Podenzana MS 13 2180 136091
Tresana MS 14 2044 138135
Santo Stefano di Magra SP 15 9360 147495
Comano MS 15 714 148209
Massa MS 15 69479 217688
Vagli Sotto LU 16 939 218627
Ameglia SP 16 4365 222992
Bolano SP 16 7813 230805
Piazza al Serchio LU 16 2367 233172
Arcola SP 16 10607 243779
Vezzano Ligure SP 17 7356 251135
Sillano Giuncugnano LU 17 1085 252220
Montignoso MS 18 10323 262543
Lerici SP 18 10228 272771
Villafranca in Lunigiana MS 18 4770 277541
Bagnone MS 18 1887 279428
Follo SP 19 6337 285765
Careggine LU 19 564 286329
Camporgiano LU 19 2176 288505
San Romano in Garfagnana LU 20 1410 289915

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km N of Carrara (63133 inhabitants)
15 Km N of Massa (69479 inhabitants)
23 Km E of La Spezia (93959 inhabitants)
36 Km NW of Viareggio (62467 inhabitants)
48 Km NW of Lucca (89046 inhabitants)
56 Km NW of Pisa (89158 inhabitants)
71 Km N of Livorno (159219 inhabitants)
71 Km W of Pistoia (90315 inhabitants)
73 Km SW of Reggio nell'Emilia (171345 inhabitants)
73 Km S of Parma (192836 inhabitants)
85 Km SW of Modena (184973 inhabitants)
86 Km W of Prato (191150 inhabitants)
93 Km SW of Carpi (70699 inhabitants)
97 Km E of Genova (586655 inhabitants)
98 Km W of Scandicci (50609 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 2.5
ML-VAX 1.8
1992-12-21
02:20:00
44.169 10.098 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 177469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-12-21 02:20:00 ± 0.418
Latitude 44.1690 ± 0.0215
Longitude 10.0980 ± 0.0331
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 177469

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) 3561.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.00680
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 177469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:46:22

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 177469
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
--.ZC9.Z. 1992-12-21T02:20:25.13 10.0 undecidable manual SG 73 0.6438 1.56 0
--.BOB.Z. 1992-12-21T02:20:25.51 10.0 undecidable manual SG 322 0.7548 -1.28 0.1
--.PII.Z. 1992-12-21T02:20:18.86 10.0 undecidable manual SG 145 0.5439 -1.09 0.1
--.BOB.Z. 1992-12-21T02:20:16.28 10.0 undecidable manual PG 322 0.7548 0.55 0.9
--.MME.Z. 1992-12-21T02:20:15.82 10.0 undecidable manual SG 86 0.4329 -0.57 0.4
--.BDI.Z. 1992-12-21T02:20:14.27 10.0 undecidable manual SG 106 0.3663 -0.25 0.6
--.GU9.Z. 1992-12-21T02:20:14.44 10.0 undecidable manual SG 62 0.3885 -0.75 0.3
--.ZC9.Z. 1992-12-21T02:20:14.79 10.0 undecidable manual PG 73 0.6438 0.93 0.5
--.PII.Z. 1992-12-21T02:20:12.40 10.0 negative manual PG 145 0.5439 0.27 3
--.MME.Z. 1992-12-21T02:20:09.47 10.0 undecidable manual PG 86 0.4329 -0.25 1.5
--.BDI.Z. 1992-12-21T02:20:08.49 10.0 undecidable manual PG 106 0.3663 -0.15 1.6
--.GU9.Z. 1992-12-21T02:20:08.70 10.0 positive manual PG 62 0.3885 -0.32 2.9
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