Earthquake with magnitude of Md 2.3 on date 10-04-2005 and time 04:20:53 (Italy) in region 3 km S Massa Marittima (GR)

A magnitude Md 2.3 earthquake occured in region: 3 km S Massa Marittima (GR), on

  • 10-04-2005 02:20:53 (UTC)
  • 10-04-2005 04:20:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0250, 10.8850 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
Massa Marittima GR 3 8375 8375
Gavorrano GR 11 8580 16955
Scarlino GR 13 3847 20802
Monterotondo Marittimo GR 14 1371 22173
Follonica GR 15 21605 43778
Montieri GR 16 1204 44982
Suvereto LI 18 3072 48054

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Grosseto (82087 inhabitants)
49 Km SW of Siena (53903 inhabitants)
75 Km SE of Livorno (159219 inhabitants)
85 Km S of Scandicci (50609 inhabitants)
86 Km SE of Pisa (89158 inhabitants)
88 Km SW of Firenze (382808 inhabitants)
95 Km SW of Arezzo (99543 inhabitants)
96 Km SE of Lucca (89046 inhabitants)
97 Km S of Prato (191150 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 1.8
2005-04-10
02:20:53
43.025 10.885 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 513969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2005-04-10 02:20:53 ± 0.336
Latitude 43.0250 ± 0.0186
Longitude 10.8850 ± 0.0300
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 513969

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) 3199.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 224
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.01319
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 513969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 01:13:18

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 513969
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. 2005-04-10T02:21:32.43 10.0 undecidable manual SN 38 1.11 0.7 0.2
--.SEI.Z. 2005-04-10T02:21:31.52 10.0 undecidable manual SN 18 1.0767 0.7 0.2
--.PGD.Z. 2005-04-10T02:21:30.22 10.0 undecidable manual SG 35 1.0434 0.63 0.2
--.VMG.Z. 2005-04-10T02:21:29.55 10.0 undecidable manual SG 27 1.0434 -0.25 0.6
--.MNS.Z. 2005-04-10T02:21:20.80 10.0 undecidable manual PN 115 1.4652 -0.09 1.4
--.GSCL.Z. 2005-04-10T02:21:18.54 10.0 undecidable manual PN 351 1.3431 0.08 1.5
--.SFI.Z. 2005-04-10T02:21:15.59 10.0 undecidable manual PN 38 1.11 0.14 1.6
--.SEI.Z. 2005-04-10T02:21:15.22 10.0 undecidable manual PN 18 1.0767 0.29 1.4
--.PGD.Z. 2005-04-10T02:21:14.21 10.0 undecidable manual PG 35 1.0434 0 1.7
--.VMG.Z. 2005-04-10T02:21:14.85 10.0 undecidable manual PG 27 1.0434 0.52 0.8
--.CSNT.N. 2005-04-10T02:21:12.12 10.0 undecidable manual SG 33 0.5328 -1.15 0
--.PII.Z. 2005-04-10T02:21:08.40 10.0 undecidable manual PG 339 0.7326 -0.23 1.4
--.CSNT.Z. 2005-04-10T02:21:04.30 10.0 negative manual PG 33 0.5328 -0.49 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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