Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 26-09-2013 and time 11:33:54 (Italy) in region 1 km SW Roccafluvione (AP)

A magnitude ML 1.9 earthquake occured in region: 1 km SW Roccafluvione (AP), on

  • 26-09-2013 09:33:54 (UTC)
  • 26-09-2013 11:33:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 13.4660 at 49 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
Roccafluvione AP 1 2010 2010
Venarotta AP 4 2066 4076
Palmiano AP 5 196 4272
Ascoli Piceno AP 9 49407 53679
Acquasanta Terme AP 10 2916 56595
Montegallo AP 11 523 57118
Montemonaco AP 12 604 57722
Comunanza AP 12 3166 60888
Force AP 13 1354 62242
Valle Castellana TE 13 977 63219
Rotella AP 14 906 64125
Folignano AP 14 9241 73366
Montefortino FM 14 1178 74544
Montefalcone Appennino FM 15 424 74968
Castignano AP 16 2796 77764
Arquata del Tronto AP 16 1178 78942
Montedinove AP 17 488 79430
Amandola FM 17 3629 83059
Smerillo FM 17 365 83424
Appignano del Tronto AP 17 1785 85209
Maltignano AP 18 2401 87610
Civitella del Tronto TE 19 5116 92726
Santa Vittoria in Matenano FM 19 1330 94056
Montalto delle Marche AP 19 2122 96178
Rocca Santa Maria TE 19 537 96715
Montelparo FM 19 778 97493
Monte San Martino MC 20 765 98258

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Teramo (54892 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
67 Km NW of Montesilvano (53738 inhabitants)
74 Km E of Terni (111501 inhabitants)
75 Km NW of Pescara (121014 inhabitants)
80 Km NW of Chieti (51815 inhabitants)
85 Km S of Ancona (100861 inhabitants)
92 Km E 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
Bulletin
Rev1000 		ML 1.9 2013-09-26
09:33:54		 42.8532 13.4657 49 2015-01-20
11:29:04		 Bollettino Sismico Italiano INGV 6462831
Reviewed
Rev100 		ML 1.9 2013-09-26
09:33:54		 42.8563 13.4742 49 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4560061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-26 09:33:54 ± 0.12
Latitude 42.8532 ± 0.0045
Longitude 13.4657 ± 0.0098
Depth (km) 49 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 6462831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 829
Semi-minor axis of confidence ellipse (meter) 181
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) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.94978
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 4560061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-26 09:41:59

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 6462831
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:08:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ROTM.HHZ. 2013-09-26T09:35:52.99 3.0 undecidable manual Sn 7.9 0
IV.IACL.HHZ. 2013-09-26T09:35:45.99 3.0 undecidable manual Sn -4.16 0
AC.VLO.HHZ. 2013-09-26T09:35:26.85 3.0 positive manual Pg 17.190001 0
GU.CIRO.HHZ. 2013-09-26T09:35:25.09 3.0 undecidable manual Pg 16.57 0
GU.GRAM.HHZ. 2013-09-26T09:35:25.99 3.0 undecidable manual Sg 327.4278 10.78 0
BA.PZUN.HHZ. 2013-09-26T09:35:22.99 3.0 undecidable manual Sg 11.52 0
IV.MTGR.SHZ. 2013-09-26T09:35:21.76 3.0 negative manual Pg 13.96 0
IV.SCHR.EHZ. 2013-09-26T09:35:20.99 3.0 undecidable manual Sn -2.53 0
IV.MSCL.HHZ. 2013-09-26T09:35:17.84 3.0 positive manual Pg 10.5 0
IV.DOI.HHZ. 2013-09-26T09:35:05.04 3.0 negative manual Pn -0.09 0
MN.TUE.HHZ. 2013-09-26T09:35:04.03 3.0 positive manual Pn 0.92 0
SI.BOSI.HHZ. 2013-09-26T09:35:02.64 3.0 negative manual Pg 9.3 0
CR.STON.BHZ. 2013-09-26T09:34:57.20 3.0 negative manual Pg 15.08 0
IV.SGRT.HHZ. 2013-09-26T09:34:48.99 3.0 undecidable manual Sn -2.98 0
GU.GRAM.HHZ. 2013-09-26T09:34:46.48 3.0 undecidable manual Pg 327.4278 6.75 0
IV.PLMA.HHZ. 2013-09-26T09:34:46.54 3.0 positive manual Pg 7.78 0
IV.CRAC.EHZ. 2013-09-26T09:34:44.69 3.0 negative manual Pn -0.55 0
IV.LATB.EHZ. 2013-09-26T09:34:38.99 3.0 undecidable manual Sg 2.07 0
IV.SSFR.HHZ. 2013-09-26T09:34:20.86 0.3 undecidable manual S 320 85.1481 105 0.47 62
IV.MOMA.HHZ. 2013-09-26T09:34:18.32 0.3 undecidable manual S 266 73.2711 109 0.38 64
IV.EL6.EHZ. 2013-09-26T09:34:15.34 0.3 undecidable manual S 331 60.495 115 -0.05 71
IV.CING.HHZ. 2013-09-26T09:34:15.54 0.3 undecidable manual S 339 61.9935 114 -0.13 69
IV.SNTG.HHZ. 2013-09-26T09:34:15.81 0.3 undecidable manual S 317 61.5939 114 0.2 69
IV.CESI.HHZ. 2013-09-26T09:34:13.49 0.3 undecidable manual S 290 48.618 123 0.35 68
IV.LNSS.HHZ. 2013-09-26T09:34:12.13 0.3 undecidable manual S 231 44.4222 126 -0.27 70
IV.MPAG.EHZ. 2013-09-26T09:34:11.58 0.1 undecidable manual P 327 103.3188 101 -0.08 87
IV.FDMO.HHZ. 2013-09-26T09:34:10.91 0.3 undecidable manual S 304 36.8298 133 -0.24 71
IV.CAMP.HHZ. 2013-09-26T09:34:10.92 0.3 undecidable manual S 187 35.5422 135 -0.02 75
IV.CSP1.EHZ. 2013-09-26T09:34:10.67 0.3 undecidable manual S 321 33.9438 136 -0.03 74
IV.SSFR.HHZ. 2013-09-26T09:34:09.78 0.1 undecidable manual P 320 85.1481 105 0.34 85
IV.NRCA.HHZ. 2013-09-26T09:34:09.78 0.3 undecidable manual S 266 28.6491 142 -0.18 73
IV.TERO.HHZ. 2013-09-26T09:34:09.85 0.3 undecidable manual S 156 27.9498 143 -0.01 75
IV.OFFI.HHZ. 2013-09-26T09:34:09.61 0.3 undecidable manual S 63 20.0688 152 0.65 67
IV.GUMA.HHZ. 2013-09-26T09:34:09.58 0.3 undecidable manual S 336 25.5522 146 0.01 76
IV.MOMA.HHZ. 2013-09-26T09:34:08.31 0.1 undecidable manual P 266 73.2711 109 0.28 88
IV.FOSV.EHZ. 2013-09-26T09:34:08.39 0.1 undecidable manual P 311 75.2691 108 0.13 90
IV.EL6.EHZ. 2013-09-26T09:34:06.34 0.1 undecidable manual P 331 60.495 115 -0.21 91
IV.CING.HHZ. 2013-09-26T09:34:06.39 0.1 undecidable manual P 339 61.9935 114 -0.33 89
IV.SNTG.HHZ. 2013-09-26T09:34:06.52 0.1 undecidable manual P 317 61.5939 114 -0.16 92
IV.CESI.HHZ. 2013-09-26T09:34:05.34 0.1 undecidable manual P 290 48.618 123 0.08 96
IV.LNSS.HHZ. 2013-09-26T09:34:04.86 0.1 undecidable manual P 231 44.4222 126 0.03 97
IV.GUMA.HHZ. 2013-09-26T09:34:03.12 0.1 undecidable manual P 336 25.5522 146 -0.07 100
IV.CSP1.EHZ. 2013-09-26T09:34:03.63 0.1 undecidable manual P 321 33.9438 136 -0.22 96
IV.NRCA.HHZ. 2013-09-26T09:34:03.14 0.1 undecidable manual P 266 28.6491 142 -0.28 96
IV.FDMO.HHZ. 2013-09-26T09:34:03.76 0.1 undecidable manual P 304 36.8298 133 -0.35 93
IV.TERO.HHZ. 2013-09-26T09:34:03.31 0.1 positive manual P 156 27.9498 143 -0.06 100
IV.CAMP.HHZ. 2013-09-26T09:34:03.83 0.1 undecidable manual P 187 35.5422 135 -0.16 97
IV.OFFI.HHZ. 2013-09-26T09:34:03.19 0.1 undecidable manual P 63 20.0688 152 0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:1.4 0.00005234999999999999 0.62 AML other m 2013-09-26T09:34:11.66
IV.CAMP.HHN. ML:1.3 0.000044649999999999994 0.22 AML other m 2013-09-26T09:34:12.21
IV.CESI.HHN. ML:1.5 0.00005434999999999999 0.32 AML other m 2013-09-26T09:34:14.68
IV.CESI.HHE. ML:1.3 0.000031700000000000005 0.34 AML other m 2013-09-26T09:34:16.54
IV.CING.HHN. ML:1.6 0.0000564 0.4 AML other m 2013-09-26T09:34:16.47
IV.CING.HHE. ML:1.8 0.0000991 0.76 AML other m 2013-09-26T09:34:16.56
IV.CRE.HHE. ML:2.0 0.000044200000000000004 1.56 AML other m 2013-09-26T09:34:58.53
IV.CRE.HHN. ML:2.0 0.00004175 1.54 AML other m 2013-09-26T09:35:01.08
IV.FDMO.HHN. ML:2.0 0.00022649999999999998 0.6 AML other m 2013-09-26T09:34:11.74
IV.FDMO.HHE. ML:1.8 0.0001295 0.18 AML other m 2013-09-26T09:34:12.17
IV.GUMA.HHE. ML:2.1 0.0002915 0.76 AML other m 2013-09-26T09:34:10.65
IV.GUMA.HHN. ML:2.1 0.00032450000000000003 0.92 AML other m 2013-09-26T09:34:11.67
IV.LNSS.HHE. ML:2.1 0.0002305 0.78 AML other m 2013-09-26T09:34:15.86
IV.LNSS.HHN. ML:2.3 0.00034199999999999996 0.12 AML other m 2013-09-26T09:34:15.43
IV.MOMA.HHN. ML:2.0 0.00011245 0.18 AML other m 2013-09-26T09:34:20.15
IV.MOMA.HHE. ML:1.8 0.00007975 0.28 AML other m 2013-09-26T09:34:20.28
IV.NRCA.HHN. ML:2.0 0.000221 0.26 AML other m 2013-09-26T09:34:10.30
IV.NRCA.HHE. ML:2.0 0.00022749999999999997 1.12 AML other m 2013-09-26T09:34:10.47
IV.OFFI.HHE. ML:2.2 0.0004255 1.02 AML other m 2013-09-26T09:34:12.71
IV.OFFI.HHN. ML:2.2 0.000361 1.2 AML other m 2013-09-26T09:34:10.82
IV.SNTG.HHN. ML:1.7 0.00007645 0.3 AML other m 2013-09-26T09:34:16.44
IV.SNTG.HHE. ML:1.7 0.0000657 0.56 AML other m 2013-09-26T09:34:17.51
IV.SSFR.HHN. ML:2.0 0.00010910000000000001 0.74 AML other m 2013-09-26T09:34:22.56
IV.SSFR.HHE. ML:2.2 0.000158 0.22 AML other m 2013-09-26T09:34:24.19
IV.TERO.HHE. ML:1.6 0.0000845 0.6 AML other m 2013-09-26T09:34:10.22
IV.TERO.HHN. ML:1.6 0.00009080000000000001 0.28 AML other m 2013-09-26T09:34:11.04
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