Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 20-07-2013 and time 20:43:17 (Italy) in region 5 km N Pescocostanzo (AQ)

A magnitude ML 1.3 earthquake occured in region: 5 km N Pescocostanzo (AQ), on

  • 20-07-2013 18:43:17 (UTC)
  • 20-07-2013 20:43:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9370, 14.0480 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
Pescocostanzo AQ 5 1128 1128
Rocca Pia AQ 6 178 1306
Rivisondoli AQ 8 700 2006
Cansano AQ 8 274 2280
Pettorano sul Gizio AQ 8 1376 3656
Campo di Giove AQ 8 803 4459
Palena CH 9 1392 5851
Roccaraso AQ 10 1627 7478
Lettopalena CH 12 358 7836
Pacentro AQ 14 1174 9010
Gamberale CH 14 320 9330
Taranta Peligna CH 14 376 9706
Scanno AQ 14 1847 11553
Introdacqua AQ 15 2126 13679
Colledimacine CH 15 202 13881
Ateleta AQ 15 1181 15062
Pizzoferrato CH 16 1130 16192
Sulmona AQ 16 24557 40749
Lama dei Peligni CH 17 1271 42020
Villalago AQ 18 568 42588
Castel di Sangro AQ 18 6538 49126
Montenerodomo CH 18 690 49816
Castel del Giudice IS 18 346 50162
Sant'Angelo del Pesco IS 18 364 50526
Bugnara AQ 18 1125 51651
San Pietro Avellana IS 20 503 52154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Chieti (51815 inhabitants)
60 Km S of Pescara (121014 inhabitants)
65 Km S of Montesilvano (53738 inhabitants)
71 Km SE of L'Aquila (69753 inhabitants)
85 Km SE of Teramo (54892 inhabitants)
99 Km N 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 1.3 2013-07-20
18:43:17		 41.9373 14.0482 10 2015-01-20
11:28:06		 Bollettino Sismico Italiano INGV 4328881
Reviewed
Rev100 		ML 1.4 2013-07-20
18:43:17		 41.9498 14.0547 13 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4114271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-07-20 18:43:17 ± 0.1
Latitude 41.9373 ± 0.0072
Longitude 14.0482 ± 0.0085
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4328881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 735
Semi-minor axis of confidence ellipse (meter) 647
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
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) 110
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 0.48204
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 4328881
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:25:09

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 4114271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-07-20 18:48:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2013-07-20T18:43:35.50 0.6 undecidable manual S 341 53.502 50 0.75 40
IV.CERA.HHZ. 2013-07-20T18:43:30.80 0.6 undecidable manual S 184 37.7289 50 0.25 48
IV.MIDA.HHZ. 2013-07-20T18:43:30.30 0.6 undecidable manual S 152 36.9297 50 -0.03 50
IV.POFI.HHZ. 2013-07-20T18:43:29.80 0.6 undecidable manual S 229 36.9297 50 -0.54 44
IV.VVLD.HHZ. 2013-07-20T18:43:29.90 0.6 undecidable manual S 258 35.8419 50 -0.14 49
IV.RNI2.HHZ. 2013-07-20T18:43:28.20 0.6 undecidable manual S 162 27.3504 50 0.43 47
IV.VCEL.EHZ. 2013-07-20T18:43:27.64 0.3 undecidable manual P 341 53.502 50 0.03 73
IV.FAGN.HHZ. 2013-07-20T18:43:27.08 0.3 undecidable manual P 314 52.8027 50 -0.42 67
IV.CERA.HHZ. 2013-07-20T18:43:25.10 0.1 undecidable manual P 184 37.7289 50 -0.08 99
IV.MIDA.HHZ. 2013-07-20T18:43:24.94 0.1 positive manual P 152 36.9297 50 -0.12 98
IV.VVLD.HHZ. 2013-07-20T18:43:24.66 0.3 undecidable manual P 258 35.8419 50 -0.23 72
IV.LPEL.HHZ. 2013-07-20T18:43:24.00 0.6 undecidable manual S 42 16.4724 122 -0.61 45
IV.INTR.HHZ. 2013-07-20T18:43:24.30 0.3 undecidable manual S 305 14.3745 126 0.28 74
IV.POFI.HHZ. 2013-07-20T18:43:24.89 0.3 undecidable manual P 229 36.9297 50 -0.17 73
IV.RNI2.HHZ. 2013-07-20T18:43:23.94 0.1 undecidable manual P 162 27.3504 50 0.36 95
IV.INTR.HHZ. 2013-07-20T18:43:21.62 0.1 positive manual P 305 14.3745 126 0.21 100
IV.LPEL.HHZ. 2013-07-20T18:43:21.71 0.3 undecidable manual P 42 16.4724 122 -0.04 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:1.0 0.00003985 0.84 AML other m 2013-07-20T18:43:31.55
IV.CERA.HHN. ML:1.1 0.000043349999999999997 0.16 AML other m 2013-07-20T18:43:33.00
IV.FAGN.HHE. ML:1.8 0.0001615 0.24 AML other m 2013-07-20T18:43:35.77
IV.FAGN.HHN. ML:1.7 0.000128 1.3 AML other m 2013-07-20T18:43:38.58
IV.INTR.HHN. ML:1.7 0.0005215 0.38 AML other m 2013-07-20T18:43:25.09
IV.INTR.HHE. ML:1.3 0.000191 0.1 AML other m 2013-07-20T18:43:25.01
IV.LPEL.HHN. ML:1.5 0.00029049999999999996 0.64 AML other m 2013-07-20T18:43:24.98
IV.LPEL.HHE. ML:1.6 0.00034250000000000003 0.08 AML other m 2013-07-20T18:43:24.80
IV.MIDA.HHE. ML:1.5 0.0001098 1 AML other m 2013-07-20T18:43:32.08
IV.MIDA.HHN. ML:1.4 0.0000854 0.14 AML other m 2013-07-20T18:43:31.44
IV.POFI.HHN. ML:0.6 0.000016400000000000002 0.12 AML other m 2013-07-20T18:43:32.66
IV.POFI.HHE. ML:1.0 0.0000428 0.36 AML other m 2013-07-20T18:43:30.52
IV.RNI2.HHE. ML:1.4 0.00015000000000000001 0.36 AML other m 2013-07-20T18:43:30.92
IV.RNI2.HHN. ML:1.2 0.0000838 0.56 AML other m 2013-07-20T18:43:30.66
IV.VVLD.HHE. ML:1.0 0.00004165 0.56 AML other m 2013-07-20T18:43:30.54
IV.VVLD.HHN. ML:1.2 0.0000577 0.32 AML other m 2013-07-20T18:43:30.37
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