Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-12-2014 and time 04:56:45 (Italy) in region 6 km W Monte Cavallo (MC)

A magnitude ML 0.9 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 15-12-2014 03:56:45 (UTC)
  • 15-12-2014 04:56:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9860, 12.9240 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monte Cavallo MC 6 145 145
Serravalle di Chienti MC 10 1070 1215
Sellano PG 11 1079 2294
Pieve Torina MC 12 1458 3752
Muccia MC 15 915 4667
Fiordimonte MC 15 202 4869
Visso MC 15 1107 5976
Preci PG 15 724 6700
Pievebovigliana MC 16 866 7566
Valtopina PG 16 1398 8964
Nocera Umbra PG 18 5839 14803
Sefro MC 18 422 15225
Ussita MC 18 444 15669
Foligno PG 18 57155 72824
Cerreto di Spoleto PG 19 1075 73899
Trevi PG 19 8469 82368
Fiastra MC 20 559 82927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
96 Km S of Fano (60888 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 		ML 0.9 2014-12-15
03:56:45		 42.9863 12.9243 11 2015-09-21
09:40:11		 Bollettino Sismico Italiano INGV 19233601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-15 03:56:45 ± 0.06
Latitude 42.9863 ± 0.0036
Longitude 12.9243 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 19233601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 418
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
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) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.36602
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 19233601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-05-20 09:09:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2014-12-15T03:56:59.29 0.6 undecidable manual S 21 40.626 50 0.3 45
IV.SNTG.HHZ. 2014-12-15T03:56:56.05 0.6 undecidable manual S 3 29.8479 50 -0.05 48
IV.ATCC.EHZ. 2014-12-15T03:56:56.77 0.6 undecidable manual S 314 31.8459 50 0.12 47
IV.CSP1.EHZ. 2014-12-15T03:56:55.07 0.6 undecidable manual S 63 25.5522 50 0.11 48
IV.NRCA.HHZ. 2014-12-15T03:56:54.20 0.6 undecidable manual S 138 22.9548 50 -0.05 49
IV.EL6.EHZ. 2014-12-15T03:56:53.16 0.3 undecidable manual P 21 40.626 50 -0.19 69
IV.CSP1.EHZ. 2014-12-15T03:56:51.08 0.1 undecidable manual P 63 25.5522 50 0.06 97
IV.FDMO.HHZ. 2014-12-15T03:56:51.78 0.6 undecidable manual S 67 14.3745 127 -0.12 49
IV.SNTG.HHZ. 2014-12-15T03:56:51.52 0.1 undecidable manual P 3 29.8479 50 -0.16 94
IV.ATCC.EHZ. 2014-12-15T03:56:51.90 0.3 undecidable manual P 314 31.8459 50 -0.1 71
IV.NRCA.HHZ. 2014-12-15T03:56:50.64 0.1 undecidable manual P 138 22.9548 50 0.02 98
IV.CESI.HHZ. 2014-12-15T03:56:49.49 0.6 undecidable manual S 322 2.5974 167 -0.05 51
IV.FDMO.HHZ. 2014-12-15T03:56:49.25 0.1 undecidable manual P 67 14.3745 127 -0.01 100
IV.CESI.HHZ. 2014-12-15T03:56:48.06 0.1 undecidable manual P 322 2.5974 167 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.6 0.00007369999999999999 0.56 AML other m 2014-12-15T03:56:49.53
IV.CESI.HHN. ML:0.7 0.0000831 0.18 AML other m 2014-12-15T03:56:49.60
IV.NRCA.HHN. ML:1.0 0.00006615 0.14 AML other m 2014-12-15T03:56:54.29
IV.NRCA.HHE. ML:1.0 0.0000703 0.54 AML other m 2014-12-15T03:56:54.74
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