Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 28-12-2012 and time 02:51:46 (Italy) in region 8 km W Cortino (TE)

A magnitude ML 2.2 earthquake occured in region: 8 km W Cortino (TE), on

  • 28-12-2012 01:51:46 (UTC)
  • 28-12-2012 02:51:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6380, 13.4090 at 22 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
Cortino TE 8 656 656
Campotosto AQ 9 542 1198
Amatrice RI 10 2657 3855
Rocca Santa Maria TE 11 537 4392
Crognaleto TE 12 1297 5689
Valle Castellana TE 13 977 6666
Fano Adriano TE 14 296 6962
Accumoli RI 15 667 7629
Acquasanta Terme AP 15 2916 10545
Capitignano AQ 16 665 11210
Pietracamela TE 17 271 11481
Arquata del Tronto AP 18 1178 12659
Montereale AQ 18 2581 15240
Montorio al Vomano TE 19 8218 23458

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Teramo (54892 inhabitants)
32 Km N of L'Aquila (69753 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
63 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
69 Km W of Pescara (121014 inhabitants)
70 Km W of Chieti (51815 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km SE of Perugia (166134 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 2.2 2012-12-28
01:51:46		 42.638 13.4133 21 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2759471
Bulletin
Rev1000 		ML 2.2 2012-12-28
01:51:46		 42.6378 13.4092 22 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 3702031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-12-28 01:51:46 ± 0.11
Latitude 42.6378 ± 0.0036
Longitude 13.4092 ± 0.0073
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3702031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 293
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
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) 65
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.78781
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 3702031
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:37

ML:2.2

Field Value
Value 2.2
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 2759471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-12-28 02:04:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2012-12-28T01:52:03.71 0.6 undecidable manual S 342 53.0025 105 0.3 43
IV.FDMO.HHZ. 2012-12-28T01:52:03.09 0.6 undecidable manual S 329 51.4152 106 0.1 45
IV.GUMA.HHZ. 2012-12-28T01:52:02.84 0.6 undecidable manual S 353 47.5191 107 0.84 36
IV.MTCE.HHZ. 2012-12-28T01:52:01.95 0.6 undecidable manual P 219 87.4458 98 0.52 39
IV.EL6.EHZ. 2012-12-28T01:52:00.34 0.6 undecidable manual P 342 80.6637 99 -0.05 43
IV.CING.HHZ. 2012-12-28T01:52:00.70 0.1 undecidable manual P 348 83.6496 99 -0.15 85
IV.SNTG.HHZ. 2012-12-28T01:51:59.79 0.3 undecidable manual P 331 78.2661 100 -0.25 63
IV.LNSS.HHZ. 2012-12-28T01:51:58.25 0.6 undecidable manual S 263 30.3474 119 0.48 44
IV.NRCA.HNZ. 2012-12-28T01:51:58.17 0.6 undecidable manual S 312 32.3454 117 -0.07 47
IV.CESX.HHZ. 2012-12-28T01:51:58.42 0.3 undecidable manual P 267 67.1772 101 0.07 67
IV.ARRO.EHZ. 2012-12-28T01:51:56.19 0.3 negative manual P 263 52.9026 105 -0.02 69
IV.CESI.HHZ. 2012-12-28T01:51:56.79 0.1 undecidable manual P 315 57.7977 104 -0.15 89
IV.GUMA.HHZ. 2012-12-28T01:51:55.49 0.1 undecidable manual P 353 47.5191 107 0.08 91
IV.FIAM.HHZ. 2012-12-28T01:51:55.30 0.6 undecidable manual P 210 47.5191 107 -0.1 45
IV.CSP1.EHZ. 2012-12-28T01:51:55.98 0.1 positive manual P 342 53.0025 105 -0.24 88
IV.FDMO.HHZ. 2012-12-28T01:51:55.67 0.3 positive manual P 329 51.4152 106 -0.31 65
IV.FAGN.HHZ. 2012-12-28T01:51:55.12 0.6 undecidable manual P 161 43.7229 109 0.27 44
IV.OFFI.HHZ. 2012-12-28T01:51:54.76 0.3 negative manual P 34 39.9267 111 0.46 64
IV.CAMP.HHZ. 2012-12-28T01:51:54.05 0.3 undecidable manual S 180 11.3775 149 0.03 74
IV.TERO.HHE. 2012-12-28T01:51:54.50 0.6 undecidable manual S 96 15.9729 139 -0.25 47
IV.SMA1.EHZ. 2012-12-28T01:51:53.31 0.6 undecidable manual S 262 6.0939 163 -0.14 49
IV.NRCA.HNZ. 2012-12-28T01:51:53.11 0.1 undecidable manual P 312 32.3454 117 -0.13 93
MN.AQU.HHZ. 2012-12-28T01:51:53.03 0.1 undecidable manual P 181 31.5462 118 -0.09 94
IV.LNSS.HHZ. 2012-12-28T01:51:52.99 0.1 positive manual P 263 30.3474 119 0.03 96
IV.TERO.HHE. 2012-12-28T01:51:51.02 0.1 undecidable manual P 96 15.9729 139 -0.2 95
IV.SMA1.EHZ. 2012-12-28T01:51:50.47 0.1 undecidable manual P 262 6.0939 163 0 100
IV.CAMP.HHZ. 2012-12-28T01:51:50.83 0.1 positive manual P 180 11.3775 149 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HHN. ML:1.8 0.00022950000000000002 0.62 AML other m 2012-12-28T01:52:01.17
MN.AQU.HHE. ML:1.5 0.00012745 0.32 AML other m 2012-12-28T01:52:03.38
IV.CESI.HHN. ML:2.0 0.00021850000000000003 0.36 AML other m 2012-12-28T01:52:05.56
IV.CESI.HHE. ML:2.0 0.000201 0.36 AML other m 2012-12-28T01:52:06.00
IV.FAGN.HHE. ML:1.9 0.000228 0.24 AML other m 2012-12-28T01:52:05.03
IV.FAGN.HHN. ML:1.9 0.00021799999999999999 0.5 AML other m 2012-12-28T01:52:13.80
IV.FDMO.HHE. ML:2.3 0.000423 0.18 AML other m 2012-12-28T01:52:03.49
IV.FDMO.HHN. ML:2.4 0.000615 0.22 AML other m 2012-12-28T01:52:03.58
IV.GUMA.HHE. ML:2.5 0.0008605 0.32 AML other m 2012-12-28T01:52:02.95
IV.GUMA.HHN. ML:2.4 0.000668 0.3 AML other m 2012-12-28T01:52:04.22
IV.LNSS.HHE. ML:2.2 0.0006185 0.34 AML other m 2012-12-28T01:51:58.41
IV.LNSS.HHN. ML:2.2 0.0006185 0.82 AML other m 2012-12-28T01:51:58.62
IV.NRCA.HHN. ML:2.8 0.0025499999999999997 0.56 AML other m 2012-12-28T01:51:58.59
IV.NRCA.HHE. ML:3.1 0.004275 0.1 AML other m 2012-12-28T01:51:58.29
IV.NRCA.HNE. ML:3.0 0.003985 0.12 AML other m 2012-12-28T01:51:58.29
IV.NRCA.HNN. ML:2.8 0.0021349999999999997 0.56 AML other m 2012-12-28T01:51:58.59
IV.OFFI.HHN. ML:2.0 0.0003095 1.5 AML other m 2012-12-28T01:52:06.67
IV.OFFI.HHE. ML:2.0 0.000303 0.3 AML other m 2012-12-28T01:52:03.23
IV.SMA1.EHN. ML:2.5 0.0023899999999999998 0.18 AML other m 2012-12-28T01:51:53.67
IV.SMA1.EHE. ML:2.3 0.0015 0.5 AML other m 2012-12-28T01:51:53.84
IV.SNTG.HHN. ML:1.8 0.0000793 1.58 AML other m 2012-12-28T01:52:12.49
IV.SNTG.HHE. ML:1.6 0.000060899999999999996 1.36 AML other m 2012-12-28T01:52:05.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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