Earthquake with magnitude of Md 2.5 on date 30-07-1992 and time 11:03:48 (Italy) in region 3 km SE Lucca (LU)

A magnitude Md 2.5 earthquake occured in region: 3 km SE Lucca (LU), on

  • 30-07-1992 09:03:48 (UTC)
  • 30-07-1992 11:03:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8290, 10.5290 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
Lucca LU 3 89046 89046
Capannori LU 4 46252 135298
Porcari LU 7 8845 144143
San Giuliano Terme PI 10 31399 175542
Calci PI 11 6426 181968
Montecarlo LU 12 4428 186396
Altopascio LU 12 15481 201877
Buti PI 12 5791 207668
Vecchiano PI 13 12189 219857
Villa Basilica LU 15 1633 221490
Bientina PI 15 8062 229552
Vicopisano PI 15 8559 238111
Pescia PT 15 19644 257755
Chiesina Uzzanese PT 15 4552 262307
Massarosa LU 16 22471 284778
Uzzano PT 16 5770 290548
Pisa PI 16 89158 379706
Borgo a Mozzano LU 17 6994 386700
Cascina PI 17 45257 431957
Buggiano PT 17 8825 440782
Calcinaia PI 18 12439 453221
Ponte Buggianese PT 18 8804 462025
Pescaglia LU 18 3526 465551
Santa Maria a Monte PI 20 13253 478804
Massa e Cozzile PT 20 7983 486787

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SE of Lucca (89046 inhabitants)
16 Km NE of Pisa (89158 inhabitants)
23 Km E of Viareggio (62467 inhabitants)
33 Km W of Pistoia (90315 inhabitants)
35 Km NE of Livorno (159219 inhabitants)
39 Km SE of Massa (69479 inhabitants)
44 Km SE of Carrara (63133 inhabitants)
46 Km W of Prato (191150 inhabitants)
53 Km W of Scandicci (50609 inhabitants)
59 Km W of Firenze (382808 inhabitants)
64 Km E of La Spezia (93959 inhabitants)
86 Km NW of Siena (53903 inhabitants)
96 Km SW of Modena (184973 inhabitants)
97 Km S of Reggio nell'Emilia (171345 inhabitants)
99 Km SW 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 2.5
ML-VAX 1.6
1992-07-30
09:03:48
43.829 10.529 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 170469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-07-30 09:03:48 ± 0.269
Latitude 43.8290 ± 0.0101
Longitude 10.5290 ± 0.0119
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 170469

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) 1476.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 219
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.01093
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 170469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:39:23

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 170469
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
--.BOB.Z. 1992-07-30T09:04:29.17 10.0 undecidable manual SN 320 1.2099 -0.11 0.6
--.CRE.Z. 1992-07-30T09:04:24.81 10.0 undecidable manual SG 101 1.0434 -0.18 0.6
--.SFI.Z. 1992-07-30T09:04:21.98 10.0 undecidable manual SG 85 0.9435 0.03 0.8
--.PGD.Z. 1992-07-30T09:04:19.68 10.0 undecidable manual SG 86 0.8547 0.7 0
--.BOB.Z. 1992-07-30T09:04:12.16 10.0 undecidable manual PN 320 1.2099 0.15 1.5
--.CRE.Z. 1992-07-30T09:04:09.71 10.0 undecidable manual PG 101 1.0434 0.17 1.5
--.SFI.Z. 1992-07-30T09:04:07.43 10.0 undecidable manual PG 85 0.9435 -0.35 0.8
--.GU9.Z. 1992-07-30T09:04:07.89 10.0 undecidable manual SG 4 0.5217 -0.28 0.5
--.PGD.Z. 1992-07-30T09:04:05.88 10.0 undecidable manual PG 86 0.8547 -0.19 1.6
--.MME.Z. 1992-07-30T09:04:03.00 10.0 undecidable manual SG 18 0.3774 -0.33 0.4
--.GU9.Z. 1992-07-30T09:03:59.91 10.0 undecidable manual PG 4 0.5217 0.09 2.1
--.BDI.Z. 1992-07-30T09:03:58.14 10.0 undecidable manual SG 11 0.2331 0.39 0.3
--.MME.Z. 1992-07-30T09:03:57.26 10.0 undecidable manual PG 18 0.3774 0.23 1.5
--.BDI.Z. 1992-07-30T09:03:53.61 10.0 undecidable manual PG 11 0.2331 -0.2 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