Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-10-2015 and time 08:05:31 (Italy) in region 3 km E Preci (PG)

A magnitude ML 2.0 earthquake occured in region: 3 km E Preci (PG), on

  • 12-10-2015 06:05:31 (UTC)
  • 12-10-2015 08:05:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8890, 13.0680 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.

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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
Preci PG 3 724 724
Visso MC 5 1107 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 9 444 2556
Norcia PG 11 4957 7513
Sellano PG 11 1079 8592
Monte Cavallo MC 13 145 8737
Cerreto di Spoleto PG 15 1075 9812
Fiordimonte MC 17 202 10014
Pieve Torina MC 17 1458 11472
Bolognola MC 18 142 11614
Acquacanina MC 18 121 11735
Fiastra MC 18 559 12294
Cascia PG 19 3217 15511
Pievebovigliana MC 19 866 16377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
98 Km W of Montesilvano (53738 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 2.0 2015-10-12
06:05:31		 42.889 13.0678 10 2016-02-19
13:22:16		 Bollettino Sismico Italiano INGV 23238741
Reviewed
Rev100 		ML 1.7 2015-10-12
06:05:31		 42.8888 13.0663 9 2015-10-12
07:16:35		 Sala Sismica INGV-Roma 21786701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-10-12 06:05:31 ± 0.06
Latitude 42.8890 ± 0.0045
Longitude 13.0678 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23238741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 537
Semi-minor axis of confidence ellipse (meter) 394
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.47484
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 21786701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-10-12 07:16:35

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 23238741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-01-25 17:56:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2015-10-12T06:05:48.80 0.1 undecidable manual S 124 52.7028 50 0 94
IV.CAMP.HHE. 2015-10-12T06:05:47.30 0.6 undecidable manual S 145 48.0186 50 -0.26 45
IV.MOMA.HHZ. 2015-10-12T06:05:46.20 0.3 undecidable manual S 257 41.8248 50 0.31 68
IV.SMA1.EHZ. 2015-10-12T06:05:44.70 0.3 undecidable manual S 143 36.0417 50 0.35 68
IV.LNSS.HHZ. 2015-10-12T06:05:43.00 0.3 undecidable manual S 184 31.8459 50 -0.23 70
IV.CSP1.EHZ. 2015-10-12T06:05:41.10 0.3 undecidable manual S 26 25.0527 111 -0.16 72
IV.TERO.HHZ. 2015-10-12T06:05:41.32 0.1 undecidable manual P 124 52.7028 50 -0.36 87
IV.CAMP.HHE. 2015-10-12T06:05:40.73 0.6 undecidable manual P 145 48.0186 50 -0.23 45
IV.MOMA.HHZ. 2015-10-12T06:05:40.08 0.3 undecidable manual P 257 41.8248 50 0.08 71
IV.ATCC.EHE. 2015-10-12T06:05:40.83 0.3 undecidable manual P 314 47.8188 50 -0.09 70
IV.SMA1.EHZ. 2015-10-12T06:05:39.65 0.3 undecidable manual P 143 36.0417 50 0.55 64
IV.CESI.HHZ. 2015-10-12T06:05:39.00 0.3 undecidable manual S 314 18.4704 117 -0.16 73
IV.LNSS.HHZ. 2015-10-12T06:05:38.39 0.3 undecidable manual P 184 31.8459 50 -0.07 72
IV.FDMO.HHZ. 2015-10-12T06:05:38.70 0.1 undecidable manual S 5 16.4724 120 0.16 97
IV.CSP1.EHZ. 2015-10-12T06:05:37.53 0.3 undecidable manual P 26 25.0527 111 0.21 71
IV.FEMA.HNZ. 2015-10-12T06:05:36.50 0.3 undecidable manual S 350 8.2806 139 0.18 73
IV.NRCA.HNZ. 2015-10-12T06:05:36.00 0.1 undecidable manual S 148 7.1928 143 -0.09 100
IV.FDMO.HHZ. 2015-10-12T06:05:35.39 0.3 undecidable manual P 5 16.4724 120 -0.36 70
IV.CESI.HHZ. 2015-10-12T06:05:35.64 0.3 undecidable manual P 314 18.4704 117 -0.47 68
IV.FEMA.HNZ. 2015-10-12T06:05:34.74 0.1 undecidable manual P 350 8.2806 139 0.27 96
IV.NRCA.HNZ. 2015-10-12T06:05:34.46 0.1 undecidable manual P 148 7.1928 143 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.9 0.0006665000000000001 0.14 AML other m 2015-10-12T06:05:39.49
IV.CESI.HHN. ML:1.7 0.00041400000000000003 0.52 AML other m 2015-10-12T06:05:39.75
IV.FDMO.HHN. ML:1.7 0.00046599999999999994 0.38 AML other m 2015-10-12T06:05:39.15
IV.FDMO.HHE. ML:1.7 0.00047599999999999997 0.22 AML other m 2015-10-12T06:05:39.08
IV.GUMA.HHN. ML:1.8 0.000345 1.44 AML other m 2015-10-12T06:05:44.29
IV.GUMA.HHE. ML:1.9 0.0004195 0.46 AML other m 2015-10-12T06:05:46.04
IV.NRCA.HHN. ML:2.4 0.003925 0.1 AML other m 2015-10-12T06:05:36.07
IV.NRCA.HNN. ML:2.4 0.003645 0.1 AML other m 2015-10-12T06:05:36.08
IV.NRCA.HHE. ML:2.5 0.004475000000000001 1.06 AML other m 2015-10-12T06:05:36.19
IV.NRCA.HNE. ML:2.4 0.004155 0.16 AML other m 2015-10-12T06:05:36.20
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