Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 04-10-2012 and time 02:22:45 (Italy) in region 4 km NW Frascineto (CS)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Frascineto (CS), on

  • 04-10-2012 00:22:45 (UTC)
  • 04-10-2012 02:22:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8690, 16.2330 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.

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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
Frascineto CS 4 2154 2154
Castrovillari CS 7 22240 24394
Civita CS 8 902 25296
San Lorenzo Bellizzi CS 9 644 25940
San Basile CS 9 1055 26995
Morano Calabro CS 9 4576 31571
Cassano all'Ionio CS 12 18495 50066
Saracena CS 12 3828 53894
Cerchiara di Calabria CS 13 2385 56279
Terranova di Pollino PZ 13 1208 57487
Francavilla Marittima CS 14 2910 60397
Alessandria del Carretto CS 16 462 60859
Lungro CS 17 2592 63451
Firmo CS 17 2115 65566
Viggianello PZ 17 3025 68591
Plataci CS 17 739 69330
San Severino Lucano PZ 18 1563 70893
Rotonda PZ 19 3494 74387
Villapiana CS 19 5387 79774
San Costantino Albanese PZ 20 729 80503

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km N of Cosenza (67546 inhabitants)
93 Km SE of Potenza (67122 inhabitants)
94 Km SW of Matera (60436 inhabitants)
100 Km N of Lamezia Terme (70714 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
Reviewed
Rev100 		ML 1.3 2012-10-04
00:22:45		 39.8707 16.2275 8 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2288031
Bulletin
Rev1000 		ML 1.3 2012-10-04
00:22:45		 39.8688 16.2332 8 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 3331751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-10-04 00:22:45 ± 0.12
Latitude 39.8688 ± 0.0072
Longitude 16.2332 ± 0.0082
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3331751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 742
Semi-minor axis of confidence ellipse (meter) 403
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 3331751
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:08

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 2288031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-10-04 00:30:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHZ. 2012-10-04T00:22:55.53 0.3 undecidable manual P 318 46.62 50 0.62 61
IV.MMN.HHZ. 2012-10-04T00:22:54.05 0.6 undecidable manual S 277 20.7681 111 0.38 46
IV.CET2.HHZ. 2012-10-04T00:22:54.35 0.3 positive manual P 212 44.622 50 -0.25 68
IV.SCHR.EHZ. 2012-10-04T00:22:53.43 0.1 undecidable manual P 340 39.0276 50 -0.31 90
IV.T0702.EHZ. 2012-10-04T00:22:53.97 0.6 undecidable manual S 218 20.7681 111 0.31 47
IV.T0701.HNZ. 2012-10-04T00:22:51.85 0.6 undecidable manual S 323 16.3725 116 -0.41 46
IV.ORI.HHZ. 2012-10-04T00:22:51.94 0.1 undecidable manual P 42 27.3504 106 0.3 92
IV.MMN.HHZ. 2012-10-04T00:22:50.20 0.3 undecidable manual P 277 20.7681 111 -0.2 72
IV.SALB.HHZ. 2012-10-04T00:22:50.06 0.6 undecidable manual S 84 9.6792 130 -0.23 48
IV.T0702.EHZ. 2012-10-04T00:22:50.26 0.1 undecidable manual P 218 20.7681 111 -0.13 97
IV.T0701.HNZ. 2012-10-04T00:22:49.58 0.1 undecidable manual P 323 16.3725 116 -0.01 100
IV.SALB.HHZ. 2012-10-04T00:22:48.51 0.1 positive manual P 84 9.6792 130 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SALB.HNE. ML:1.4 0.00039400000000000004 0.36 AML other m 2012-10-04T00:22:50.40
IV.SALB.HHE. ML:1.5 0.0004395 0.36 AML other m 2012-10-04T00:22:50.40
IV.SALB.HNN. ML:1.2 0.00022720000000000002 0.4 AML other m 2012-10-04T00:22:50.50
IV.SALB.HHN. ML:1.2 0.00022299999999999997 0.4 AML other m 2012-10-04T00:22:50.50
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