Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 16-08-2013 and time 04:48:40 (Italy) in region 3 km SW Civitella Alfedena (AQ)

A magnitude ML 2.0 earthquake occured in region: 3 km SW Civitella Alfedena (AQ), on

  • 16-08-2013 02:48:40 (UTC)
  • 16-08-2013 04:48:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7480, 13.9100 at 15 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
Civitella Alfedena AQ 3 296 296
Villetta Barrea AQ 4 653 949
Barrea AQ 7 726 1675
Opi AQ 8 420 2095
San Donato Val di Comino FR 9 2107 4202
Settefrati FR 10 728 4930
Alfedena AQ 11 864 5794
Scontrone AQ 11 574 6368
Picinisco FR 12 1218 7586
Pescasseroli AQ 12 2203 9789
Gallinaro FR 14 1269 11058
Montenero Val Cocchiara IS 14 538 11596
Pizzone IS 14 329 11925
San Biagio Saracinisco FR 15 349 12274
Alvito FR 15 2713 14987
Villa Latina FR 16 1241 16228
Castel San Vincenzo IS 16 516 16744
Atina FR 17 4316 21060
Castel di Sangro AQ 17 6538 27598
Scanno AQ 17 1847 29445
Roccaraso AQ 18 1627 31072
Vicalvi FR 19 783 31855
Posta Fibreno FR 19 1139 32994
Rivisondoli AQ 19 700 33694
Cerro al Volturno IS 19 1281 34975
Campoli Appennino FR 19 1725 36700
Scapoli IS 19 680 37380
Rionero Sannitico IS 20 1118 38498

Municipalities with at least 50000 inhabitants

An earthquake occurred to
70 Km SW of Chieti (51815 inhabitants)
79 Km SE of L'Aquila (69753 inhabitants)
83 Km NW of Caserta (76326 inhabitants)
84 Km SW of Pescara (121014 inhabitants)
88 Km S of Montesilvano (53738 inhabitants)
89 Km E of Latina (125985 inhabitants)
90 Km N of Aversa (53047 inhabitants)
94 Km E of Velletri (53303 inhabitants)
94 Km N of Giugliano in Campania (122974 inhabitants)
95 Km E of Tivoli (56533 inhabitants)
97 Km NW of Acerra (59573 inhabitants)
97 Km N of Marano di Napoli (59874 inhabitants)
98 Km NW of Afragola (65057 inhabitants)
99 Km NW of Casoria (77642 inhabitants)
100 Km NW of Benevento (60091 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 2013-08-16
02:48:40		 41.7483 13.9102 15 2015-01-20
11:28:29		 Bollettino Sismico Italiano INGV 4645311
Reviewed
Rev100 		ML 2.0 2013-08-16
02:48:40		 41.7433 13.9007 16 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4271151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-16 02:48:40 ± 0.07
Latitude 41.7483 ± 0.0045
Longitude 13.9102 ± 0.0060
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4645311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 456
Semi-minor axis of confidence ellipse (meter) 329
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.15109
Epicentral distance of station farthest from the epicenter (degree) 0.90292
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 4271151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-16 02:54:47

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 4645311
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:04:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0104.HHZ. 2013-08-16T02:49:04.37 0.6 undecidable manual S 325 82.5507 93 -0.2 43
IV.CERT.HHZ. 2013-08-16T02:49:04.05 0.3 undecidable manual S 286 79.8645 93 0.2 64
IV.PTQR.HHZ. 2013-08-16T02:48:56.63 0.1 undecidable manual S 306 51.9036 95 0.23 90
IV.TERO.HHZ. 2013-08-16T02:48:56.49 0.3 undecidable manual P 346 100.2219 92 -0.43 59
IV.CERT.HHZ. 2013-08-16T02:48:53.51 0.6 undecidable manual P 286 79.8645 93 -0.28 42
IV.T0104.HHZ. 2013-08-16T02:48:53.75 0.6 undecidable manual P 325 82.5507 93 -0.46 40
IV.CAFR.HHZ. 2013-08-16T02:48:51.76 0.3 undecidable manual P 34 64.1913 94 0.38 64
IV.FRES.HHE. 2013-08-16T02:48:51.79 0.6 undecidable manual P 68 67.4769 94 -0.09 45
IV.PIGN.HHZ. 2013-08-16T02:48:51.76 0.6 undecidable manual P 160 64.7907 94 0.29 43
IV.FAGN.HHZ. 2013-08-16T02:48:50.97 0.6 undecidable manual P 335 63.3921 94 -0.28 43
IV.GIUL.HHZ. 2013-08-16T02:48:50.77 0.3 undecidable manual P 249 58.2972 95 0.3 65
IV.INTR.HHZ. 2013-08-16T02:48:50.66 0.3 undecidable manual S 359 29.2485 102 0.26 70
IV.MIDA.HHZ. 2013-08-16T02:48:50.75 0.3 undecidable manual S 112 30.8469 101 -0.08 72
IV.PTQR.HHZ. 2013-08-16T02:48:49.41 0.1 undecidable manual P 306 51.9036 95 -0.08 93
IV.VVLD.HHZ. 2013-08-16T02:48:49.78 0.1 undecidable manual S 300 27.2505 104 -0.12 96
IV.VAGA.HHZ. 2013-08-16T02:48:48.47 0.1 undecidable manual P 144 45.7209 96 -0.06 94
IV.POFI.HHZ. 2013-08-16T02:48:47.28 0.1 undecidable manual S 258 16.7721 119 0.01 100
IV.CERA.HHZ. 2013-08-16T02:48:47.56 0.1 undecidable manual S 152 18.9699 114 -0.23 95
IV.MIDA.HHZ. 2013-08-16T02:48:46.16 0.1 positive manual P 112 30.8469 101 -0.11 95
IV.INTR.HHZ. 2013-08-16T02:48:45.92 0.1 positive manual P 359 29.2485 102 -0.1 96
IV.RNI2.HHZ. 2013-08-16T02:48:45.19 0.1 undecidable manual P 104 20.6682 111 0.43 91
IV.VVLD.HHZ. 2013-08-16T02:48:45.74 0.1 undecidable manual P 300 27.2505 104 0 98
IV.CERA.HHZ. 2013-08-16T02:48:44.41 0.1 positive manual P 152 18.9699 114 -0.11 97
IV.POFI.HHZ. 2013-08-16T02:48:44.33 0.1 positive manual P 258 16.7721 119 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:2.3 0.0012850000000000001 0.78 AML other m 2013-08-16T02:48:47.77
IV.CERA.HNE. ML:2.2 0.0012185 0.8 AML other m 2013-08-16T02:48:48.17
IV.CERA.HHN. ML:2.4 0.001785 1.3 AML other m 2013-08-16T02:48:48.54
IV.CERA.HNN. ML:2.4 0.0017050000000000001 1.3 AML other m 2013-08-16T02:48:47.89
IV.CERT.HHN. ML:1.6 0.0000583 0.42 AML other m 2013-08-16T02:49:04.47
IV.CERT.HHE. ML:1.8 0.00008915000000000001 1.12 AML other m 2013-08-16T02:49:04.72
IV.FAGN.HHN. ML:2.3 0.000407 0.34 AML other m 2013-08-16T02:49:03.61
IV.FAGN.HHE. ML:2.5 0.000589 0.52 AML other m 2013-08-16T02:49:09.66
IV.GIUL.HHE. ML:1.5 0.0000698 0.24 AML other m 2013-08-16T02:48:59.77
IV.GIUL.HHN. ML:1.7 0.00010725000000000002 0.16 AML other m 2013-08-16T02:48:59.76
IV.INTR.HHE. ML:2.2 0.0007355 0.2 AML other m 2013-08-16T02:48:51.81
IV.INTR.HHN. ML:2.3 0.0008925000000000001 0.38 AML other m 2013-08-16T02:48:52.57
IV.MIDA.HHN. ML:2.2 0.000756 0.28 AML other m 2013-08-16T02:48:52.08
IV.MIDA.HHE. ML:2.2 0.0007575 0.48 AML other m 2013-08-16T02:48:51.89
IV.PIGN.HHN. ML:1.4 0.00004845 0.9 AML other m 2013-08-16T02:49:05.70
IV.PIGN.HHE. ML:1.4 0.000049500000000000004 0.26 AML other m 2013-08-16T02:48:58.68
IV.POFI.HHE. ML:1.6 0.000316 0.14 AML other m 2013-08-16T02:48:47.89
IV.POFI.HHN. ML:1.6 0.0002665 0.76 AML other m 2013-08-16T02:48:49.92
IV.PTQR.HHE. ML:1.7 0.0001295 0.18 AML other m 2013-08-16T02:48:57.77
IV.PTQR.HHN. ML:1.7 0.000132 1.34 AML other m 2013-08-16T02:48:57.51
IV.RNI2.HNN. ML:2.4 0.001555 0.58 AML other m 2013-08-16T02:48:50.07
IV.RNI2.HHN. ML:2.4 0.001695 0.58 AML other m 2013-08-16T02:48:50.36
IV.RNI2.HHE. ML:2.5 0.002045 0.78 AML other m 2013-08-16T02:48:51.91
IV.RNI2.HNE. ML:2.5 0.001945 0.76 AML other m 2013-08-16T02:48:51.92
IV.T0104.HHN. ML:2.0 0.00011784999999999999 0.34 AML other m 2013-08-16T02:49:12.28
IV.T0104.HHE. ML:1.9 0.0001036 1.44 AML other m 2013-08-16T02:49:12.66
IV.TERO.HHE. ML:1.3 0.000018950000000000003 1.28 AML other m 2013-08-16T02:49:10.30
IV.TERO.HHN. ML:1.4 0.0000248 1.42 AML other m 2013-08-16T02:49:12.68
IV.VAGA.HHE. ML:1.7 0.00014649999999999998 0.26 AML other m 2013-08-16T02:48:59.45
IV.VAGA.HHN. ML:1.9 0.0002195 0.3 AML other m 2013-08-16T02:48:56.92
IV.VVLD.HHN. ML:2.4 0.0011925 0.6 AML other m 2013-08-16T02:48:50.34
IV.VVLD.HHE. ML:2.2 0.0007749999999999999 1.26 AML other m 2013-08-16T02:48:51.07
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
Waveforms Seismic signals in miniseed + resp format Download