Earthquake with magnitude of Md 2.5 on date 29-05-1992 and time 17:59:36 (Italy) in region 6 km NW Palazzuolo sul Senio (FI)

A magnitude Md 2.5 earthquake occured in region: 6 km NW Palazzuolo sul Senio (FI), on

  • 29-05-1992 15:59:36 (UTC)
  • 29-05-1992 17:59:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.15, 11.49 at 8 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
Palazzuolo sul Senio FI 6 1154 1154
Castel del Rio BO 7 1246 2400
Firenzuola FI 9 4726 7126
Marradi FI 13 3139 10265
Fontanelice BO 13 1943 12208
Casola Valsenio RA 14 2617 14825
Monghidoro BO 16 3749 18574
Borgo Tossignano BO 16 3288 21862
Loiano BO 19 4294 26156
Casalfiumanese BO 19 3438 29594

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Imola (69797 inhabitants)
35 Km W of Faenza (58541 inhabitants)
40 Km SE of Bologna (386663 inhabitants)
43 Km NE of Prato (191150 inhabitants)
45 Km W of Forlì (117913 inhabitants)
46 Km NE of Firenze (382808 inhabitants)
50 Km NE of Scandicci (50609 inhabitants)
52 Km E of Pistoia (90315 inhabitants)
60 Km W of Cesena (96758 inhabitants)
64 Km W of Ravenna (159116 inhabitants)
71 Km SE of Modena (184973 inhabitants)
77 Km S of Ferrara (133155 inhabitants)
82 Km NW of Arezzo (99543 inhabitants)
85 Km SE of Carpi (70699 inhabitants)
86 Km E of Lucca (89046 inhabitants)
87 Km W of Rimini (147750 inhabitants)
91 Km SE of Reggio nell'Emilia (171345 inhabitants)
93 Km N of Siena (53903 inhabitants)
100 Km E of Pisa (89158 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
Rev 1000 Md 2.5
ML-VAX 1.8
1992-05-29
15:59:36
44.15 11.49 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 166509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-05-29 15:59:36 ± 0.534
Latitude 44.15 ± 0.01
Longitude 11.49 ± 0.01
Depth (km) 8 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 166509

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) 1683.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
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) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.02339
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 166509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:35:44

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 166509
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 Takeoff_angle Residual Weight
--.FVI.Z. 1992-05-29T16:00:19.40 10.0 negative manual PN 20 0.0234 0.16 1.6
--.PII.Z. 1992-05-29T16:00:05.67 10.0 undecidable manual SG 238 0.0073 0.39 0.4
--.CRE.Z. 1992-05-29T16:00:00.60 10.0 undecidable manual SG 147 0.0056 0.87 0.1
--.ARV.Z. 1992-05-29T15:59:59.80 10.0 undecidable manual PN 121 0.0111 -0.29 1.1
--.BDI.Z. 1992-05-29T15:59:59.53 10.0 undecidable manual SG 262 0.0057 -0.27 0.6
--.MME.Z. 1992-05-29T15:59:56.14 10.0 undecidable manual SG 274 0.0051 -1.12 0
--.PII.Z. 1992-05-29T15:59:53.80 10.0 undecidable manual PG 238 0.0073 -0.14 1.7
--.SFI.Z. 1992-05-29T15:59:50.54 10.0 undecidable manual SG 133 0.0032 0.01 0.8
--.BDI.Z. 1992-05-29T15:59:50.32 10.0 undecidable manual PG 262 0.0057 0.26 1.5
--.CRE.Z. 1992-05-29T15:59:49.58 10.0 undecidable manual PG 147 0.0056 -0.13 1.8
--.PGD.Z. 1992-05-29T15:59:49.29 10.0 undecidable manual SG 148 0.0028 -0.13 0.7
--.MME.Z. 1992-05-29T15:59:48.96 10.0 undecidable manual PG 274 0.0051 0.37 1.2
--.PGD.Z. 1992-05-29T15:59:44.14 10.0 undecidable manual PG 148 0.0028 0.07 1.9
--.SFI.Z. 1992-05-29T15:59:44.17 10.0 undecidable manual PG 133 0.0032 -0.54 0.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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