Earthquake with magnitude of Md 2.3 on date 18-06-1992 and time 21:21:02 (UTC) in region 3 km N Larciano (PT)

A magnitude Md 2.3 earthquake occured in region: 3 km N Larciano (PT), on

  • 18-06-1992 21:21:02 (UTC)
  • 18-06-1992 23:21:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8480, 10.8750 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
Larciano PT 3 6394 6394
Lamporecchio PT 4 7508 13902
Monsummano Terme PT 6 21338 35240
Serravalle Pistoiese PT 7 11659 46899
Pieve a Nievole PT 7 9266 56165
Vinci FI 8 14604 70769
Quarrata PT 8 26190 96959
Montecatini-Terme PT 9 20409 117368
Cerreto Guidi FI 10 10870 128238
Ponte Buggianese PT 10 8804 137042
Pistoia PT 10 90315 227357
Carmignano PO 12 14450 241807
Buggiano PT 12 8825 250632
Agliana PT 12 17525 268157
Chiesina Uzzanese PT 12 4552 272709
Massa e Cozzile PT 13 7983 280692
Marliana PT 13 3210 283902
Uzzano PT 14 5770 289672
Fucecchio FI 14 23618 313290
Capraia e Limite FI 14 7670 320960
Poggio a Caiano PO 15 10007 330967
Montale PT 15 10737 341704
Empoli FI 15 48109 389813
Montemurlo PO 16 18456 408269
Pescia PT 16 19644 427913
Altopascio LU 16 15481 443394
Montecarlo LU 17 4428 447822
Santa Croce sull'Arno PI 17 14601 462423
Montelupo Fiorentino FI 18 14098 476521
Prato PO 18 191150 667671
San Miniato PI 19 27934 695605
Signa FI 19 19179 714784
Castelfranco di Sotto PI 19 13427 728211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SW of Pistoia (90315 inhabitants)
18 Km W of Prato (191150 inhabitants)
27 Km W of Scandicci (50609 inhabitants)
30 Km E of Lucca (89046 inhabitants)
32 Km W of Firenze (382808 inhabitants)
41 Km E of Pisa (89158 inhabitants)
50 Km E of Viareggio (62467 inhabitants)
56 Km NE of Livorno (159219 inhabitants)
62 Km E of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
69 Km NW of Siena (53903 inhabitants)
81 Km SW of Bologna (386663 inhabitants)
88 Km SW of Imola (69797 inhabitants)
89 Km E of La Spezia (93959 inhabitants)
89 Km S of Modena (184973 inhabitants)
92 Km W of Arezzo (99543 inhabitants)
94 Km SW of Faenza (58541 inhabitants)
97 Km S of Reggio nell'Emilia (171345 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 1.6
1992-06-18
21:21:02
43.848 10.875 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 167949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-06-18 21:21:02 ± 0.1
Latitude 43.8480 ± 0.0065
Longitude 10.8750 ± 0.0074
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 167949

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) 932.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00729
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 167949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:37:04

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 167949
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. 1992-06-18T21:21:29.84 10.0 undecidable manual SG 105 0.8103 -0.2 0.4
--.SFI.Z. 1992-06-18T21:21:26.72 10.0 undecidable manual SG 84 0.6993 0.1 0.5
--.PGD.Z. 1992-06-18T21:21:24.00 10.0 undecidable manual SG 86 0.5994 0.35 0.3
--.GU9.Z. 1992-06-18T21:21:21.50 10.0 undecidable manual SG 337 0.5439 0.02 0.7
--.CRE.Z. 1992-06-18T21:21:18.87 10.0 undecidable manual PG 105 0.8103 0.61 0.2
--.MME.Z. 1992-06-18T21:21:15.76 10.0 undecidable manual SG 339 0.3552 -0.09 0.6
--.SFI.Z. 1992-06-18T21:21:15.98 10.0 undecidable manual PG 84 0.6993 -0.3 0.9
--.PGD.Z. 1992-06-18T21:21:14.00 10.0 undecidable manual PG 86 0.5994 -0.56 0.3
--.GU9.Z. 1992-06-18T21:21:13.46 10.0 undecidable manual PG 337 0.5439 0.15 1.4
--.BDI.Z. 1992-06-18T21:21:13.41 10.0 undecidable manual SG 316 0.2886 -0.06 0.7
--.PII.Z. 1992-06-18T21:21:12.67 10.0 undecidable manual SG 243 0.2775 -0.5 0.2
--.MME.Z. 1992-06-18T21:21:10.21 10.0 undecidable manual PG 339 0.3552 0.15 1.5
--.PII.Z. 1992-06-18T21:21:08.63 10.0 positive manual PG 243 0.2775 0.12 3.1
--.BDI.Z. 1992-06-18T21:21:08.64 10.0 positive manual PG 316 0.2886 -0.05 3.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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