Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 23-08-2013 and time 01:45:29 (Italy) in region 5 km W Amandola (FM)

A magnitude ML 2.2 earthquake occured in region: 5 km W Amandola (FM), on

  • 22-08-2013 23:45:29 (UTC)
  • 23-08-2013 01:45:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 13.2910 at 25 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
Amandola FM 5 3629 3629
Bolognola MC 6 142 3771
Montefortino FM 6 1178 4949
Sarnano MC 7 3264 8213
Montemonaco AP 9 604 8817
Comunanza AP 10 3166 11983
Gualdo MC 11 815 12798
Acquacanina MC 11 121 12919
Fiastra MC 13 559 13478
Ussita MC 13 444 13922
Smerillo FM 13 365 14287
Monte San Martino MC 14 765 15052
Montefalcone Appennino FM 14 424 15476
Penna San Giovanni MC 14 1108 16584
Castelsantangelo sul Nera MC 14 281 16865
San Ginesio MC 15 3498 20363
Cessapalombo MC 15 512 20875
Montegallo AP 15 523 21398
Sant'Angelo in Pontano MC 16 1436 22834
Palmiano AP 16 196 23030
Force AP 16 1354 24384
Visso MC 17 1107 25491
Camporotondo di Fiastrone MC 17 563 26054
Santa Vittoria in Matenano FM 18 1330 27384
Fiordimonte MC 18 202 27586
Caldarola MC 19 1823 29409
Pievebovigliana MC 19 866 30275
Ripe San Ginesio MC 20 852 31127
Venarotta AP 20 2066 33193
Roccafluvione AP 20 2010 35203

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Foligno (57155 inhabitants)
49 Km NW of Teramo (54892 inhabitants)
70 Km NE of Terni (111501 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
74 Km S of Ancona (100861 inhabitants)
75 Km E of Perugia (166134 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
99 Km S of Fano (60888 inhabitants)
100 Km NW of Chieti (51815 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 2.2 2013-08-22
23:45:29		 42.9775 13.2912 25 2015-01-20
11:28:44		 Bollettino Sismico Italiano INGV 8494311
Reviewed
Rev100 		ML 2.1 2013-08-22
23:45:29		 42.9827 13.2562 25 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 4321451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-08-22 23:45:29 ± 0.07
Latitude 42.9775 ± 0.0027
Longitude 13.2912 ± 0.0049
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8494311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.81748
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 8494311
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:30:12

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 4321451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-08-22 23:59:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2013-08-22T23:45:50.17 3.0 negative manual P 1.84 0
IV.ATCC.EHZ. 2013-08-22T23:45:48.27 0.6 undecidable manual S 294 57.5979 107 0.5 42
IV.FOSV.EHZ. 2013-08-22T23:45:47.52 0.6 undecidable manual S 310 55.5 108 0.28 44
IV.ASSB.HHZ. 2013-08-22T23:45:46.39 0.6 undecidable manual S 278 51.8037 109 0.08 46
IV.NARO.HHZ. 2013-08-22T23:45:45.13 0.6 undecidable manual P 321 90.7425 100 0.17 42
IV.LNSS.HHZ. 2013-08-22T23:45:45.46 0.3 undecidable manual S 206 46.3203 112 0.53 63
IV.FSSB.HHZ. 2013-08-22T23:45:45.30 3.0 undecidable manual P 89.8434 0.57 0
IV.SNTG.HHZ. 2013-08-22T23:45:44.14 0.6 undecidable manual S 317 41.9247 114 0.29 45
IV.FAGN.HHZ. 2013-08-22T23:45:44.01 0.6 positive manual P 163 82.4508 101 0.29 41
IV.EL6.EHZ. 2013-08-22T23:45:44.10 0.6 undecidable manual S 339 41.9247 114 0.24 45
IV.ATVO.HHZ. 2013-08-22T23:45:44.01 1.0 undecidable manual P 302 84.4488 101 -0.01 22
IV.CING.HHZ. 2013-08-22T23:45:44.83 0.6 undecidable manual S 350 44.8218 113 0.26 45
IV.PIEI.HHZ. 2013-08-22T23:45:44.30 0.6 negative manual P 316 86.9463 101 -0.1 43
IV.FIAM.HHZ. 2013-08-22T23:45:43.13 0.3 positive manual P 190 79.9644 102 -0.2 64
IV.VCEL.EHZ. 2013-08-22T23:45:43.57 0.6 undecidable manual P 145 78.6657 102 0.43 40
IV.CESX.HHZ. 2013-08-22T23:45:42.09 1.0 negative manual P 235 70.4739 104 0.19 22
IV.FRON.EHZ. 2013-08-22T23:45:42.66 0.6 negative manual P 323 75.369 103 0.01 44
IV.ATFO.HHZ. 2013-08-22T23:45:42.36 0.3 negative manual P 307 72.4719 103 0.15 65
IV.T0104.HHZ. 2013-08-22T23:45:41.51 1.0 negative manual P 177 68.5758 104 -0.12 22
IV.ARVD.HHZ. 2013-08-22T23:45:41.00 0.6 undecidable manual P 334 64.2912 105 0.01 45
IV.MURB.HHZ. 2013-08-22T23:45:41.87 0.6 undecidable manual P 297 69.6747 104 0.08 44
IV.CESI.HHZ. 2013-08-22T23:45:41.67 0.6 undecidable manual S 276 31.5462 123 0.26 46
IV.ARRO.EHZ. 2013-08-22T23:45:40.69 0.3 positive manual P 224 61.494 106 0.12 67
IV.MDAR.HNE. 2013-08-22T23:45:40.07 0.6 undecidable manual S 333 26.751 128 -0.29 45
IV.SSM1.HNE. 2013-08-22T23:45:40.89 0.3 undecidable manual S 342 29.3484 125 -0.04 72
IV.MOMA.HHZ. 2013-08-22T23:45:40.70 0.6 negative manual P 252 61.8936 106 0.07 45
IV.NRCA.HNZ. 2013-08-22T23:45:39.28 0.6 undecidable manual S 222 21.4674 135 -0.03 48
IV.FOSV.EHZ. 2013-08-22T23:45:39.52 0.3 positive manual P 310 55.5 108 -0.16 67
IV.CIMA.HNE. 2013-08-22T23:45:39.14 0.3 undecidable manual P 40 47.619 111 0.61 60
IV.ATCC.EHZ. 2013-08-22T23:45:39.87 0.3 positive manual P 294 57.5979 107 -0.12 67
IV.FEMA.HNE. 2013-08-22T23:45:39.09 0.6 undecidable manual S 265 19.6692 137 0.12 48
IV.TERO.HHE. 2013-08-22T23:45:38.27 0.3 undecidable manual P 147 46.8198 112 -0.16 69
IV.LNSS.HHZ. 2013-08-22T23:45:38.31 0.1 positive manual P 206 46.3203 112 -0.04 93
IV.CSP1.EHZ. 2013-08-22T23:45:38.38 0.3 undecidable manual S 331 14.4744 147 0.26 71
IV.ASSB.HHZ. 2013-08-22T23:45:38.88 0.1 positive manual P 278 51.8037 109 -0.26 88
IV.FDMO.HHE. 2013-08-22T23:45:38.24 0.3 undecidable manual S 292 17.7711 141 -0.4 67
IV.GUMA.HHZ. 2013-08-22T23:45:37.79 0.6 undecidable manual S 21 10.0788 156 0.24 48
IV.CADA.HNE. 2013-08-22T23:45:37.92 0.3 undecidable manual P 58 45.0216 113 -0.25 67
IV.SNTG.HHZ. 2013-08-22T23:45:37.53 0.6 positive manual P 317 41.9247 114 -0.19 45
IV.EL6.EHZ. 2013-08-22T23:45:37.57 0.3 negative manual P 339 41.9247 114 -0.16 69
IV.CING.HHZ. 2013-08-22T23:45:37.91 0.1 negative manual P 350 44.8218 113 -0.24 90
IV.CESI.HHZ. 2013-08-22T23:45:36.22 0.1 positive manual P 276 31.5462 123 -0.1 94
IV.MNTP.HNE. 2013-08-22T23:45:35.32 0.3 undecidable manual P 39 22.8549 133 0.06 72
IV.MDAR.HNE. 2013-08-22T23:45:35.46 0.3 undecidable manual P 333 26.751 128 -0.26 69
IV.SSM1.HNE. 2013-08-22T23:45:35.82 0.1 undecidable manual P 342 29.3484 125 -0.22 92
IV.FDMO.HHE. 2013-08-22T23:45:34.40 0.1 undecidable manual P 292 17.7711 141 -0.32 92
IV.FEMA.HNE. 2013-08-22T23:45:34.75 0.1 undecidable manual P 265 19.6692 137 -0.16 95
IV.GUMA.HHZ. 2013-08-22T23:45:34.10 0.1 negative manual P 21 10.0788 156 0.01 100
IV.CSP1.EHZ. 2013-08-22T23:45:34.75 0.1 undecidable manual P 331 14.4744 147 0.33 93
IV.NRCA.HNZ. 2013-08-22T23:45:34.97 0.1 undecidable manual P 222 21.4674 135 -0.14 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:2.2 0.000272 0.22 AML other m 2013-08-22T23:45:50.16
IV.ARRO.EHN. ML:2.0 0.000203 0.18 AML other m 2013-08-22T23:45:50.19
IV.ARVD.HHN. ML:1.6 0.0000732 0.9 AML other m 2013-08-22T23:45:52.19
IV.ARVD.HHE. ML:1.7 0.00007895 0.32 AML other m 2013-08-22T23:45:53.72
IV.ASSB.HHE. ML:2.2 0.00039449999999999994 0.14 AML other m 2013-08-22T23:45:46.96
IV.ASSB.HHN. ML:2.4 0.0005394999999999999 0.18 AML other m 2013-08-22T23:45:47.73
IV.ATCC.EHE. ML:2.1 0.000253 0.38 AML other m 2013-08-22T23:45:49.00
IV.ATCC.EHN. ML:2.2 0.00032199999999999997 0.38 AML other m 2013-08-22T23:45:50.36
IV.ATFO.HHN. ML:1.8 0.0000923 0.3 AML other m 2013-08-22T23:45:53.68
IV.ATFO.HHE. ML:1.8 0.00009029999999999999 0.54 AML other m 2013-08-22T23:46:03.73
IV.ATVO.HHN. ML:1.6 0.000043349999999999997 0.3 AML other m 2013-08-22T23:46:00.11
IV.ATVO.HHE. ML:1.8 0.00007585 0.34 AML other m 2013-08-22T23:45:58.11
IV.CESI.HHN. ML:2.2 0.0004955 0.26 AML other m 2013-08-22T23:45:41.99
IV.CESI.HHE. ML:2.0 0.000398 0.32 AML other m 2013-08-22T23:45:41.84
IV.CESX.HHN. ML:2.2 0.00023300000000000003 0.36 AML other m 2013-08-22T23:45:54.08
IV.CESX.HHE. ML:2.1 0.00021050000000000002 0.3 AML other m 2013-08-22T23:45:53.83
IV.CING.HHE. ML:2.2 0.0004125 0.4 AML other m 2013-08-22T23:45:45.13
IV.CING.HHN. ML:2.0 0.00028300000000000005 0.32 AML other m 2013-08-22T23:45:46.13
IV.CSP1.EHN. ML:2.6 0.002093 0.48 AML other m 2013-08-22T23:45:38.68
IV.CSP1.EHE. ML:2.6 0.0018849999999999997 0.9 AML other m 2013-08-22T23:45:39.21
IV.EL6.EHN. ML:2.4 0.0006129999999999999 0.6 AML other m 2013-08-22T23:45:47.64
IV.EL6.EHE. ML:2.2 0.000395 1.44 AML other m 2013-08-22T23:45:45.43
IV.FAGN.HHE. ML:2.3 0.00023649999999999998 0.86 AML other m 2013-08-22T23:46:02.84
IV.FAGN.HHN. ML:2.2 0.000223 0.48 AML other m 2013-08-22T23:46:00.18
IV.FIAM.HHE. ML:2.1 0.000149 0.24 AML other m 2013-08-22T23:45:55.15
IV.FIAM.HHN. ML:1.9 0.0001035 1.42 AML other m 2013-08-22T23:45:58.93
IV.FOSV.EHN. ML:2.3 0.00041549999999999996 0.36 AML other m 2013-08-22T23:45:47.83
IV.FOSV.EHE. ML:2.1 0.000252 0.36 AML other m 2013-08-22T23:45:48.85
IV.FRON.EHN. ML:1.8 0.0000979 0.26 AML other m 2013-08-22T23:45:55.45
IV.FRON.EHE. ML:1.7 0.000068 1.28 AML other m 2013-08-22T23:45:59.01
IV.FSSB.HHE. ML:2.2 0.00016749999999999998 0.4 AML other m 2013-08-22T23:45:59.08
IV.FSSB.HHN. ML:2.3 0.00022499999999999997 0.34 AML other m 2013-08-22T23:46:00.95
IV.GUMA.HNN. ML:2.7 0.003105 0.3 AML other m 2013-08-22T23:45:38.03
IV.GUMA.HHN. ML:2.9 0.004765 0.28 AML other m 2013-08-22T23:45:38.04
IV.GUMA.HNE. ML:2.8 0.00393 0.2 AML other m 2013-08-22T23:45:37.94
IV.GUMA.HHE. ML:2.7 0.003115 0.32 AML other m 2013-08-22T23:45:37.96
IV.LNSS.HHE. ML:2.5 0.0008440000000000001 0.16 AML other m 2013-08-22T23:45:46.70
IV.LNSS.HHN. ML:2.4 0.0006734999999999999 1.52 AML other m 2013-08-22T23:45:46.19
IV.MOMA.HHE. ML:2.3 0.00038749999999999993 0.2 AML other m 2013-08-22T23:45:52.84
IV.MOMA.HHN. ML:2.3 0.00032999999999999994 0.28 AML other m 2013-08-22T23:45:51.88
IV.MURB.HHE. ML:2.6 0.0005605 0.28 AML other m 2013-08-22T23:45:52.56
IV.MURB.HHN. ML:2.4 0.0003445 0.24 AML other m 2013-08-22T23:45:54.04
IV.NARO.HHN. ML:1.7 0.000053150000000000004 0.96 AML other m 2013-08-22T23:46:02.61
IV.NARO.HHE. ML:1.7 0.00005475 0.28 AML other m 2013-08-22T23:46:02.24
IV.NRCA.HHE. ML:2.7 0.0022249999999999995 0.1 AML other m 2013-08-22T23:45:40.29
IV.NRCA.HNE. ML:2.7 0.00207 0.1 AML other m 2013-08-22T23:45:40.30
IV.NRCA.HHN. ML:2.7 0.00217 0.86 AML other m 2013-08-22T23:45:39.94
IV.NRCA.HNN. ML:2.6 0.00196 0.86 AML other m 2013-08-22T23:45:39.94
IV.PIEI.HHN. ML:1.8 0.000071 0.2 AML other m 2013-08-22T23:45:59.72
IV.PIEI.HHE. ML:1.8 0.00006815 0.62 AML other m 2013-08-22T23:45:59.98
IV.PP3.EHN. ML:1.9 0.000183 0.2 AML other m 2013-08-22T23:45:54.81
IV.PP3.EHE. ML:1.9 0.000189 1.2 AML other m 2013-08-22T23:45:51.42
IV.SNTG.HHE. ML:1.8 0.000169 1.42 AML other m 2013-08-22T23:45:44.37
IV.SNTG.HHN. ML:2.0 0.0002945 0.3 AML other m 2013-08-22T23:45:44.30
IV.T0104.HHN. ML:2.0 0.000151 0.68 AML other m 2013-08-22T23:45:53.55
IV.T0104.HHE. ML:2.1 0.000209 0.32 AML other m 2013-08-22T23:45:53.12
IV.VCEL.EHE. ML:2.0 0.0001182 0.64 AML other m 2013-08-22T23:46:01.13
IV.VCEL.EHN. ML:2.0 0.00013000000000000002 1.08 AML other m 2013-08-22T23:46:01.38
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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