Earthquake with magnitude of Md 1.3 on date 15-12-2014 and time 05:41:25 (Italy) in region 5 km NW Montieri (GR)

A magnitude Md 1.3 earthquake occured in region: 5 km NW Montieri (GR), on

  • 15-12-2014 04:41:25 (UTC)
  • 15-12-2014 05:41:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1730, 10.9990 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
Montieri GR 5 1204 1204
Chiusdino SI 8 1903 3107
Castelnuovo di Val di Cecina PI 8 2231 5338
Radicondoli SI 11 914 6252
Monterotondo Marittimo GR 12 1371 7623
Monticiano SI 15 1571 9194
Massa Marittima GR 16 8375 17569
Pomarance PI 17 5897 23466
Casole d'Elsa SI 19 3897 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Siena (53903 inhabitants)
47 Km N of Grosseto (82087 inhabitants)
67 Km S of Scandicci (50609 inhabitants)
70 Km SW of Firenze (382808 inhabitants)
70 Km SE of Livorno (159219 inhabitants)
77 Km SE of Pisa (89158 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
79 Km S of Prato (191150 inhabitants)
85 Km SE of Lucca (89046 inhabitants)
85 Km S of Pistoia (90315 inhabitants)
98 Km SE of Viareggio (62467 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 1.3 2014-12-15
04:41:25
43.1733 10.9992 10 2015-09-21
09:40:11
Bollettino Sismico Italiano INGV 19233621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-15 04:41:25 ± 0.12
Latitude 43.1733 ± 0.0117
Longitude 10.9992 ± 0.0173
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 19233621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1799
Semi-minor axis of confidence ellipse (meter) 408
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 1800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.39480
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 4
Type of magnitude Md
Reference to an origin 19233621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-05-20 09:11:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2014-12-15T04:41:39.32 0.6 undecidable manual S 194 43.8228 50 -0.36 45
IV.CSNT.HHZ. 2014-12-15T04:41:38.29 0.6 undecidable manual S 35 40.7259 50 -0.57 43
IV.CASP.HHZ. 2014-12-15T04:41:33.82 0.1 undecidable manual P 194 43.8228 50 0.24 93
IV.CSNT.HHZ. 2014-12-15T04:41:33.23 0.1 undecidable manual P 35 40.7259 50 0.12 96
IV.OSSC.HHZ. 2014-12-15T04:41:33.64 0.1 undecidable manual P 27 43.623 50 0.08 96
IV.FROS.HHZ. 2014-12-15T04:41:30.73 0.6 undecidable manual S 72 13.3755 126 -0.28 49
IV.TRIF.HHZ. 2014-12-15T04:41:29.85 0.3 undecidable manual S 230 10.1787 134 -0.32 73
IV.TRIF.HHZ. 2014-12-15T04:41:28.26 0.1 undecidable manual P 230 10.1787 134 0.17 100
IV.FROS.HHZ. 2014-12-15T04:41:28.78 0.1 undecidable manual P 72 13.3755 126 0.2 99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download