Earthquake with magnitude of Md 2.5 on date 23-03-1992 and time 13:59:25 (Italy) in region 7 km W Castelnuovo di Val di Cecina (PI)

A magnitude Md 2.5 earthquake occured in region: 7 km W Castelnuovo di Val di Cecina (PI), on

  • 23-03-1992 12:59:25 (UTC)
  • 23-03-1992 13:59:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2110, 10.8170 at 12 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
Castelnuovo di Val di Cecina PI 7 2231 2231
Monterotondo Marittimo GR 8 1371 3602
Monteverdi Marittimo PI 9 758 4360
Pomarance PI 11 5897 10257
Sassetta LI 17 514 10771
Castagneto Carducci LI 18 9010 19781
Suvereto LI 18 3072 22853
Montieri GR 19 1204 24057
Massa Marittima GR 19 8375 32432
Bibbona LI 19 3175 35607
Guardistallo PI 19 1234 36841
Casale Marittimo PI 19 1122 37963
Radicondoli SI 19 914 38877

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Siena (53903 inhabitants)
56 Km NW of Grosseto (82087 inhabitants)
56 Km SE of Livorno (159219 inhabitants)
65 Km SE of Pisa (89158 inhabitants)
68 Km SW of Scandicci (50609 inhabitants)
72 Km SW of Firenze (382808 inhabitants)
75 Km SE of Lucca (89046 inhabitants)
78 Km SW of Prato (191150 inhabitants)
81 Km S of Pistoia (90315 inhabitants)
86 Km SE of Viareggio (62467 inhabitants)
91 Km W of Arezzo (99543 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 2.4
1992-03-23
12:59:25
43.211 10.817 12 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 161189
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-03-23 12:59:25 ± 0.109
Latitude 43.2110 ± 0.0060
Longitude 10.8170 ± 0.0121
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 161189

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) 1189.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00494
Epicentral distance of station farthest from the epicenter (degree) 0.00915
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 4
Type of magnitude Md
Reference to an origin 161189
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:30:38

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 161189
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
--.SFI.Z. 1992-03-23T12:59:59.25 10.0 undecidable manual SN 46 1.0101 0 0.6
--.MME.Z. 1992-03-23T12:59:58.26 10.0 undecidable manual SN 354 0.9768 -0.22 0.3
--.PGD.Z. 1992-03-23T12:59:57.27 10.0 undecidable manual SG 44 0.9213 0.36 0.1
--.CRE.Z. 1992-03-23T12:59:55.77 10.0 undecidable manual SG 62 0.9213 -0.63 0
--.BDI.Z. 1992-03-23T12:59:54.41 10.0 undecidable manual SG 349 0.8658 -0.34 0.2
--.MAO.Z. 1992-03-23T12:59:53.30 10.0 undecidable manual SG 162 0.8214 -0.57 0
--.PII.Z. 1992-03-23T12:59:44.56 10.0 undecidable manual SG 337 0.5439 -0.12 0.5
--.MME.Z. 1992-03-23T12:59:44.44 10.0 undecidable manual PN 354 0.9768 0.11 1.3
--.SFI.Z. 1992-03-23T12:59:44.80 10.0 undecidable manual PN 46 1.0101 0.02 1.4
--.CRE.Z. 1992-03-23T12:59:43.18 10.0 positive manual PG 62 0.9213 0.04 2.9
--.PGD.Z. 1992-03-23T12:59:43.57 10.0 undecidable manual PG 44 0.9213 0.14 1
--.BDI.Z. 1992-03-23T12:59:42.22 10.0 undecidable manual PG 349 0.8658 0.04 1.5
--.MAO.Z. 1992-03-23T12:59:41.63 10.0 positive manual PG 162 0.8214 0.11 2.7
--.PII.Z. 1992-03-23T12:59:36.35 10.0 undecidable manual PG 337 0.5439 -0.02 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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