Earthquake with magnitude of Md 2.4 on date 23-04-1992 and time 00:12:26 (UTC) in region 10 km NE Villa Collemandina (LU)

A magnitude Md 2.4 earthquake occured in region: 10 km NE Villa Collemandina (LU), on

  • 23-04-1992 00:12:26 (UTC)
  • 23-04-1992 02:12:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2470, 10.4380 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
Villa Collemandina LU 10 1334 1334
Castiglione di Garfagnana LU 11 1818 3152
Sillano Giuncugnano LU 11 1085 4237
San Romano in Garfagnana LU 11 1410 5647
Frassinoro MO 12 1926 7573
Camporgiano LU 13 2176 9749
Pieve Fosciana LU 13 2414 12163
Piazza al Serchio LU 13 2367 14530
Villa Minozzo RE 14 3750 18280
Fosciandora LU 15 602 18882
Pievepelago MO 15 2222 21104
Castelnuovo di Garfagnana LU 15 5950 27054
Ventasso RE 16 4295 31349
Careggine LU 17 564 31913
Riolunato MO 17 712 32625
Toano RE 17 4463 37088
Fiumalbo MO 18 1280 38368
Palagano MO 19 2194 40562
Vagli Sotto LU 19 939 41501
Molazzana LU 19 1043 42544
Barga LU 20 10034 52578
Montefiorino MO 20 2203 54781

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Carrara (63133 inhabitants)
33 Km NE of Massa (69479 inhabitants)
45 Km NE of Viareggio (62467 inhabitants)
45 Km N of Lucca (89046 inhabitants)
51 Km E of La Spezia (93959 inhabitants)
52 Km NW of Pistoia (90315 inhabitants)
53 Km SW of Reggio nell'Emilia (171345 inhabitants)
59 Km SW of Modena (184973 inhabitants)
59 Km N of Pisa (89158 inhabitants)
62 Km S of Parma (192836 inhabitants)
67 Km NW of Prato (191150 inhabitants)
69 Km SW of Carpi (70699 inhabitants)
77 Km W of Bologna (386663 inhabitants)
78 Km N of Livorno (159219 inhabitants)
81 Km NW of Scandicci (50609 inhabitants)
84 Km NW of Firenze (382808 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 2.2
1992-04-23
00:12:26
44.247 10.438 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 162999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-04-23 00:12:26 ± 0.165
Latitude 44.2470 ± 0.0065
Longitude 10.4380 ± 0.0130
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 162999

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) 1260.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00130
Epicentral distance of station farthest from the epicenter (degree) 0.00955
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 162999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:32:20

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 162999
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. 1992-04-23T00:12:48.18 10.0 undecidable manual PG 108 1.0656 -0.1 0.8
--.PII.Z. 1992-04-23T00:12:46.80 10.0 undecidable manual SG 173 0.5217 0.11 0.5
--.BOB.Z. 1992-04-23T00:12:44.77 10.0 undecidable manual PG 306 0.8769 0.06 0.9
--.PII.Z. 1992-04-23T00:12:38.63 10.0 undecidable manual PG 173 0.5217 0.34 0.7
--.BDI.Z. 1992-04-23T00:12:35.15 10.0 undecidable manual SG 148 0.2109 -0.21 0.5
--.MME.Z. 1992-04-23T00:12:35.15 10.0 undecidable manual SG 106 0.1887 0.62 0.1
--.GU9.Z. 1992-04-23T00:12:32.85 10.0 undecidable manual SG 46 0.1443 0.06 0.6
--.MME.Z. 1992-04-23T00:12:31.26 10.0 positive manual PG 106 0.1887 -0.01 3
--.BDI.Z. 1992-04-23T00:12:31.60 10.0 undecidable manual PG 148 0.2109 -0.69 0.1
--.GU9.Z. 1992-04-23T00:12:30.19 10.0 positive manual PG 46 0.1443 -0.08 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download