Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 23-08-2014 and time 23:29:53 (UTC) in region 6 km SW Scanno (AQ)

A magnitude ML 1.6 earthquake occured in region: 6 km SW Scanno (AQ), on

  • 23-08-2014 23:29:53 (UTC)
  • 24-08-2014 01:29:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.8760, 13.8270 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
Scanno AQ 6 1847 1847
Villalago AQ 7 568 2415
Bisegna AQ 8 223 2638
Pescasseroli AQ 8 2203 4841
Opi AQ 11 420 5261
Lecce nei Marsi AQ 13 1702 6963
Anversa degli Abruzzi AQ 14 341 7304
Villetta Barrea AQ 14 653 7957
Gioia dei Marsi AQ 14 1989 9946
Rocca Pia AQ 14 178 10124
Civitella Alfedena AQ 15 296 10420
Pettorano sul Gizio AQ 16 1376 11796
Ortona dei Marsi AQ 16 542 12338
Introdacqua AQ 16 2126 14464
Bugnara AQ 17 1125 15589
Villavallelonga AQ 17 919 16508
Ortucchio AQ 17 1860 18368
Cocullo AQ 18 230 18598
San Donato Val di Comino FR 19 2107 20705
Barrea AQ 19 726 21431
Campoli Appennino FR 20 1725 23156
Pescosolido FR 20 1555 24711
Rivisondoli AQ 20 700 25411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km SW of Chieti (51815 inhabitants)
64 Km SE of L'Aquila (69753 inhabitants)
73 Km SW of Pescara (121014 inhabitants)
76 Km SW of Montesilvano (53738 inhabitants)
86 Km E of Tivoli (56533 inhabitants)
88 Km S of Teramo (54892 inhabitants)
89 Km NE of Latina (125985 inhabitants)
89 Km E of Velletri (53303 inhabitants)
92 Km E of Guidonia Montecelio (88673 inhabitants)
98 Km NW of Caserta (76326 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 1.6 2014-08-23
23:29:53		 41.8755 13.8268 10 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18003721
Reviewed
Rev100 		ML 1.8 2014-08-23
23:29:53		 41.8743 13.8328 9 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7955451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-23 23:29:53 ± 0.07
Latitude 41.8755 ± 0.0036
Longitude 13.8268 ± 0.0060
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 18003721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 261
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.14749
Epicentral distance of station farthest from the epicenter (degree) 0.76442
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 18003721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-09 13:13:13

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 7955451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-23 23:34:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2014-08-23T23:30:19.27 0.3 undecidable manual S 348 84.8484 50 0.31 63
IV.VCEL.EHZ. 2014-08-23T23:30:11.96 0.6 undecidable manual S 1 57.5979 50 0.28 44
IV.MIDA.HHZ. 2014-08-23T23:30:08.31 0.3 undecidable manual S 126 43.8228 50 0.31 68
IV.TERO.HHZ. 2014-08-23T23:30:07.80 0.3 undecidable manual P 348 84.8484 50 -0.41 61
IV.PTQR.HHZ. 2014-08-23T23:30:06.94 0.3 undecidable manual S 295 38.7279 50 0.29 69
IV.CERA.HHZ. 2014-08-23T23:30:05.54 0.6 undecidable manual S 153 34.6431 50 -0.01 49
IV.VCEL.EHZ. 2014-08-23T23:30:04.04 0.6 undecidable manual P 1 57.5979 50 0.04 46
IV.GIUL.HHZ. 2014-08-23T23:30:03.76 0.3 undecidable manual P 234 58.9965 50 -0.47 64
IV.FAGN.HHZ. 2014-08-23T23:30:02.16 0.6 undecidable manual P 335 47.7189 50 -0.32 45
IV.GUAR.HHZ. 2014-08-23T23:30:01.40 0.3 undecidable manual P 258 43.5231 50 -0.43 66
IV.PTQR.HHZ. 2014-08-23T23:30:01.07 0.3 undecidable manual P 295 38.7279 50 -0.03 72
IV.POFI.HHZ. 2014-08-23T23:30:01.28 0.3 undecidable manual S 208 19.9689 116 0.09 74
IV.MIDA.HHZ. 2014-08-23T23:30:01.70 0.3 undecidable manual P 126 43.8228 50 -0.18 69
IV.CERA.HHZ. 2014-08-23T23:30:00.32 0.3 undecidable manual P 153 34.6431 50 -0.15 71
IV.VVLD.HHZ. 2014-08-23T23:30:00.44 0.3 undecidable manual S 268 16.872 120 0.2 73
IV.RNI2.HHZ. 2014-08-23T23:30:00.49 0.3 undecidable manual P 125 33.0447 50 0.28 69
IV.INTR.HHZ. 2014-08-23T23:29:59.92 0.3 undecidable manual S 23 16.3725 120 -0.18 73
IV.POFI.HHZ. 2014-08-23T23:29:58.06 0.3 undecidable manual P 208 19.9689 116 0.11 73
IV.INTR.HHZ. 2014-08-23T23:29:57.36 0.1 undecidable manual P 23 16.3725 120 0.04 100
IV.VVLD.HHZ. 2014-08-23T23:29:57.50 0.3 undecidable manual P 268 16.872 120 0.1 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.INTR.HHE. ML:2.2 0.001415 0.2 AML other m 2014-08-23T23:30:00.99
IV.INTR.HHN. ML:2.2 0.00141 0.22 AML other m 2014-08-23T23:30:00.97
IV.MIDA.HHN. ML:1.7 0.00016450000000000001 0.38 AML other m 2014-08-23T23:30:10.48
IV.MIDA.HHE. ML:1.6 0.0001275 0.84 AML other m 2014-08-23T23:30:09.52
IV.POFI.HHN. ML:1.6 0.0003305 0.72 AML other m 2014-08-23T23:30:03.06
IV.POFI.HHE. ML:1.8 0.0004355 1.4 AML other m 2014-08-23T23:30:06.10
IV.PTQR.HHE. ML:1.4 0.00007785000000000001 0.86 AML other m 2014-08-23T23:30:09.03
IV.PTQR.HHN. ML:1.3 0.00006709999999999999 0.22 AML other m 2014-08-23T23:30:09.65
IV.VVLD.HHN. ML:1.4 0.0002045 0.3 AML other m 2014-08-23T23:30:05.53
IV.VVLD.HHE. ML:1.5 0.0002895 0.68 AML other m 2014-08-23T23:30:02.25
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