Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 26-06-2015 and time 23:21:44 (Italy) in region 1 km NW Ussita (MC)

A magnitude ML 1.8 earthquake occured in region: 1 km NW Ussita (MC), on

  • 26-06-2015 21:21:44 (UTC)
  • 26-06-2015 23:21:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9560, 13.1320 at 60 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
Ussita MC 1 444 444
Visso MC 5 1107 1551
Castelsantangelo sul Nera MC 7 281 1832
Bolognola MC 9 142 1974
Acquacanina MC 9 121 2095
Fiastra MC 9 559 2654
Fiordimonte MC 10 202 2856
Monte Cavallo MC 11 145 3001
Preci PG 11 724 3725
Pieve Torina MC 12 1458 5183
Pievebovigliana MC 13 866 6049
Muccia MC 16 915 6964
Sarnano MC 16 3264 10228
Montefortino FM 17 1178 11406
Montemonaco AP 17 604 12010
Sellano PG 18 1079 13089
Norcia PG 18 4957 18046
Amandola FM 19 3629 21675
Serravalle di Chienti MC 20 1070 22745
Cessapalombo MC 20 512 23257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
97 Km NW of Montesilvano (53738 inhabitants)
99 Km S of Fano (60888 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 1.8 2015-06-26
21:21:44		 42.9565 13.1323 60 2016-01-08
08:45:27		 Bollettino Sismico Italiano INGV 22658971
Reviewed
Rev100 		ML 1.8 2015-06-26
21:21:44		 42.9607 13.1745 60 2015-06-26
21:33:33		 Sala Sismica INGV-Roma 19938021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-06-26 21:21:44 ± 0.12
Latitude 42.9565 ± 0.0054
Longitude 13.1323 ± 0.0086
Depth (km) 60 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22658971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 658
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08458
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 19938021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-06-26 21:33:33

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 22658971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-12-11 16:21:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.BHZ. 2015-06-26T21:23:09.99 3.0 undecidable manual Sg 9.61 0
IV.NDIM.HNZ. 2015-06-26T21:23:01.99 3.0 undecidable manual Sg 7.8 0
IV.PIGN.HHZ. 2015-06-26T21:22:44.99 3.0 undecidable manual Sg 5.5 0
IV.PTRJ.HNZ. 2015-06-26T21:22:42.99 3.0 undecidable manual Sg 4.16 0
IV.MAGA.HHZ. 2015-06-26T21:22:33.51 3.0 positive manual Pn -1.27 0
IV.MA9.HHZ. 2015-06-26T21:22:28.99 3.0 undecidable manual Sg 6.31 0
IV.VENL.HNZ. 2015-06-26T21:22:23.11 3.0 undecidable manual Pn -0.44 0
IV.CRE.HHZ. 2015-06-26T21:22:17.84 0.3 undecidable manual S 308 120.3906 106 -0.37 58
IV.CERT.HHZ. 2015-06-26T21:22:16.82 0.3 undecidable manual S 186 112.3986 107 0.25 61
IV.SACS.HHZ. 2015-06-26T21:22:14.24 0.1 undecidable manual S 264 100.0221 110 0.2 84
IV.CAFI.HHZ. 2015-06-26T21:22:13.83 0.3 undecidable manual S 294 103.0191 109 -0.82 51
IV.MGAB.HHZ. 2015-06-26T21:22:10.44 0.3 undecidable manual S 267 82.9503 115 -0.2 65
IV.MPAG.EHZ. 2015-06-26T21:22:10.82 0.3 undecidable manual S 338 80.4639 116 0.67 57
IV.ATMI.HHZ. 2015-06-26T21:22:09.88 0.1 undecidable manual S 301 81.5517 116 -0.47 82
IV.SSFR.HHZ. 2015-06-26T21:22:07.10 0.1 undecidable manual S 332 60.2952 126 0.69 78
IV.OFFI.HHZ. 2015-06-26T21:22:06.11 0.3 undecidable manual S 93 45.0216 136 2.2 23
IV.ARVD.HHZ. 2015-06-26T21:22:06.84 0.1 undecidable manual S 346 61.9935 125 0.13 91
IV.FOSV.EHZ. 2015-06-26T21:22:05.07 0.3 undecidable manual S 321 48.1185 134 0.69 59
IV.RM33.EHZ. 2015-06-26T21:22:05.04 0.1 undecidable manual S 172 50.1165 132 0.34 89
IV.MOMA.HHZ. 2015-06-26T21:22:04.58 0.1 undecidable manual S 250 49.0176 133 0.05 94
IV.CAMP.HHZ. 2015-06-26T21:22:04.93 0.3 undecidable manual S 154 51.8037 131 -0.05 71
IV.CING.HHZ. 2015-06-26T21:22:03.84 0.1 undecidable manual S 6 46.7199 134 -0.33 90
IV.CRE.HHZ. 2015-06-26T21:22:03.56 0.1 undecidable manual P 308 120.3906 106 -0.34 77
IV.LNSS.HHZ. 2015-06-26T21:22:03.82 0.3 undecidable manual S 191 39.9267 140 0.65 61
IV.PESA.HHZ. 2015-06-26T21:22:03.40 3.0 undecidable manual Pn 0.34 0
IV.EL6.EHZ. 2015-06-26T21:22:03.35 0.1 undecidable manual S 357 41.4252 138 -0.03 97
IV.SNTG.HHZ. 2015-06-26T21:22:02.61 0.1 undecidable manual S 335 36.5412 142 -0.11 97
IV.ASSB.HHZ. 2015-06-26T21:22:02.95 0.1 undecidable manual S 284 39.627 140 -0.17 95
IV.CERT.HHZ. 2015-06-26T21:22:02.59 0.1 undecidable manual P 186 112.3986 107 -0.37 78
IV.SMA1.EHZ. 2015-06-26T21:22:02.80 0.1 undecidable manual S 155 39.7269 140 -0.35 92
IV.SACS.HHZ. 2015-06-26T21:22:01.28 0.1 undecidable manual P 264 100.0221 110 -0.22 83
IV.CAFI.HHZ. 2015-06-26T21:22:01.50 0.1 undecidable manual P 294 103.0191 109 -0.35 80
IV.CESI.HHZ. 2015-06-26T21:22:01.03 0.1 undecidable manual S 286 19.2696 159 0.16 97
IV.GUMA.HHZ. 2015-06-26T21:22:01.04 0.1 undecidable manual S 54 20.2686 158 0.08 98
IV.BADI.EHZ. 2015-06-26T21:22:01.70 0.3 undecidable manual P 311 94.4388 111 0.86 52
IV.CSP1.EHZ. 2015-06-26T21:22:00.50 0.1 undecidable manual S 21 16.0728 162 -0.15 100
IV.ATMI.HHZ. 2015-06-26T21:22:00.34 0.1 undecidable manual P 301 81.5517 116 0.97 68
IV.ATPI.EHZ. 2015-06-26T21:21:59.85 0.1 undecidable manual P 313 80.5638 116 0.59 80
IV.PIEI.HHZ. 2015-06-26T21:21:59.32 0.1 undecidable manual P 323 80.364 116 0.08 90
IV.FIAM.HHZ. 2015-06-26T21:21:59.07 0.1 undecidable manual P 181 76.368 118 0.27 87
IV.NARO.HHZ. 2015-06-26T21:21:59.94 0.1 undecidable manual P 329 85.1481 114 0.16 88
IV.FSSB.HHZ. 2015-06-26T21:21:59.79 0.1 undecidable manual P 341 86.5467 114 -0.15 86
IV.MGAB.HHZ. 2015-06-26T21:21:59.60 0.1 undecidable manual P 267 82.9503 115 0.06 89
IV.MPAG.EHZ. 2015-06-26T21:21:59.23 0.1 undecidable manual P 338 80.4639 116 -0.03 90
IV.FRON.EHZ. 2015-06-26T21:21:58.12 0.1 undecidable manual P 332 70.374 120 -0.03 91
IV.ATFO.HHZ. 2015-06-26T21:21:57.88 0.1 undecidable manual P 315 64.2912 124 0.38 87
IV.SSFR.HHZ. 2015-06-26T21:21:57.07 0.1 negative manual P 332 60.2952 126 -0.02 93
IV.CESX.HHZ. 2015-06-26T21:21:57.18 0.1 undecidable manual P 229 58.8966 127 0.23 90
IV.ARVD.HHZ. 2015-06-26T21:21:57.03 0.1 undecidable manual P 346 61.9935 125 -0.24 89
IV.CAMP.HHZ. 2015-06-26T21:21:56.23 0.1 negative manual P 154 51.8037 131 -0.04 94
IV.TERO.HHZ. 2015-06-26T21:21:56.25 0.1 positive manual P 134 53.3022 130 -0.16 92
IV.RM33.EHZ. 2015-06-26T21:21:56.19 0.1 undecidable manual P 172 50.1165 132 0.08 95
IV.ARRO.EHZ. 2015-06-26T21:21:56.22 0.1 undecidable manual P 216 51.4152 131 -0.01 95
IV.MOMA.HHZ. 2015-06-26T21:21:56.08 0.3 undecidable manual P 250 49.0176 133 0.07 71
IV.SMA1.EHZ. 2015-06-26T21:21:55.18 0.1 undecidable manual P 155 39.7269 140 -0.03 97
IV.FOSV.EHZ. 2015-06-26T21:21:55.78 0.1 negative manual P 321 48.1185 134 -0.14 93
IV.CING.HHZ. 2015-06-26T21:21:55.50 0.1 undecidable manual P 6 46.7199 134 -0.3 90
IV.OFFI.HHZ. 2015-06-26T21:21:55.92 0.3 positive manual P 93 45.0216 136 0.27 69
IV.ASSB.HHZ. 2015-06-26T21:21:54.86 0.1 negative manual P 284 39.627 140 -0.34 91
IV.SNTG.HHZ. 2015-06-26T21:21:54.61 0.1 negative manual P 335 36.5412 142 -0.35 91
IV.LNSS.HHZ. 2015-06-26T21:21:54.84 0.1 undecidable manual P 191 39.9267 140 -0.38 90
IV.CESI.HHZ. 2015-06-26T21:21:53.74 0.1 undecidable manual P 286 19.2696 159 -0.16 98
IV.NRCA.HHZ. 2015-06-26T21:21:53.37 0.1 positive manual P 186 13.6752 165 -0.32 96
IV.GUMA.HHZ. 2015-06-26T21:21:53.70 0.1 positive manual P 54 20.2686 158 -0.24 96
IV.CSP1.EHZ. 2015-06-26T21:21:53.44 0.1 positive manual P 21 16.0728 162 -0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.6 0.00004825 0.86 AML other m 2015-06-26T21:22:07.66
IV.ARVD.HHN. ML:1.4 0.000036 0.7 AML other m 2015-06-26T21:22:07.56
IV.ASSB.HHE. ML:1.9 0.00011949999999999999 1.48 AML other m 2015-06-26T21:22:04.65
IV.ASSB.HHN. ML:2.0 0.000158 0.26 AML other m 2015-06-26T21:22:04.76
IV.ATFO.HHN. ML:1.5 0.0000386 0.46 AML other m 2015-06-26T21:22:10.59
IV.ATFO.HHE. ML:1.6 0.00004485 1.16 AML other m 2015-06-26T21:22:10.69
IV.ATMI.HHN. ML:1.9 0.0000731 0.26 AML other m 2015-06-26T21:22:13.81
IV.ATMI.HHE. ML:2.0 0.00008795 0.3 AML other m 2015-06-26T21:22:15.73
IV.CAFI.HHE. ML:1.5 0.00002255 1.02 AML other m 2015-06-26T21:22:15.64
IV.CAFI.HHN. ML:1.5 0.000027300000000000003 0.42 AML other m 2015-06-26T21:22:15.29
IV.CAMP.HHE. ML:1.7 0.00007435 0.72 AML other m 2015-06-26T21:22:05.46
IV.CAMP.HHN. ML:1.8 0.0000791 0.46 AML other m 2015-06-26T21:22:05.32
IV.CERT.HHE. ML:1.7 0.00003715 0.5 AML other m 2015-06-26T21:22:17.07
IV.CERT.HHN. ML:1.6 0.00002925 0.3 AML other m 2015-06-26T21:22:17.78
IV.CESI.HHN. ML:1.6 0.00008044999999999999 0.46 AML other m 2015-06-26T21:22:01.33
IV.CESI.HHE. ML:1.7 0.00010555 1.14 AML other m 2015-06-26T21:22:03.31
IV.CING.HHE. ML:1.9 0.0001075 0.28 AML other m 2015-06-26T21:22:04.50
IV.CING.HHN. ML:1.8 0.00009290000000000001 1.54 AML other m 2015-06-26T21:22:04.95
IV.CRE.HHE. ML:1.5 0.0000204 1.58 AML other m 2015-06-26T21:22:17.71
IV.CRE.HHN. ML:1.6 0.00002565 0.24 AML other m 2015-06-26T21:22:19.47
IV.FIAM.HHN. ML:1.5 0.0000369 0.6 AML other m 2015-06-26T21:22:15.13
IV.FIAM.HHE. ML:1.7 0.0000531 0.28 AML other m 2015-06-26T21:22:11.77
IV.FOSV.EHE. ML:2.0 0.00015000000000000001 0.88 AML other m 2015-06-26T21:22:05.60
IV.FOSV.EHN. ML:2.1 0.0001995 0.28 AML other m 2015-06-26T21:22:05.78
IV.FRON.EHN. ML:1.6 0.0000513 0.74 AML other m 2015-06-26T21:22:10.02
IV.FRON.EHE. ML:1.6 0.000049199999999999997 0.7 AML other m 2015-06-26T21:22:10.64
IV.FSSB.HHN. ML:1.9 0.00007230000000000001 0.24 AML other m 2015-06-26T21:22:18.21
IV.FSSB.HHE. ML:1.9 0.00006835 0.26 AML other m 2015-06-26T21:22:13.69
IV.GUMA.HHE. ML:2.2 0.00028000000000000003 0.22 AML other m 2015-06-26T21:22:01.53
IV.GUMA.HHN. ML:2.0 0.000179 0.5 AML other m 2015-06-26T21:22:01.40
IV.LNSS.HHN. ML:2.3 0.00033899999999999995 0.4 AML other m 2015-06-26T21:22:04.09
IV.LNSS.HHE. ML:2.2 0.000272 0.16 AML other m 2015-06-26T21:22:04.41
IV.MGAB.HHE. ML:2.2 0.00014850000000000003 0.28 AML other m 2015-06-26T21:22:12.41
IV.MGAB.HHN. ML:2.3 0.00020600000000000002 1.1 AML other m 2015-06-26T21:22:11.32
IV.MOMA.HHN. ML:1.7 0.00007625 0.28 AML other m 2015-06-26T21:22:04.99
IV.MOMA.HHE. ML:1.7 0.00007364999999999999 0.18 AML other m 2015-06-26T21:22:06.09
IV.NARO.HHN. ML:1.3 0.000018200000000000002 0.36 AML other m 2015-06-26T21:22:01.65
IV.NARO.HHE. ML:1.3 0.000022100000000000002 0.42 AML other m 2015-06-26T21:22:15.51
IV.NRCA.HHE. ML:2.3 0.000413 0.12 AML other m 2015-06-26T21:22:00.77
IV.NRCA.HHN. ML:2.4 0.0004555 0.12 AML other m 2015-06-26T21:22:01.09
IV.PIEI.HHE. ML:1.6 0.0000339 0.3 AML other m 2015-06-26T21:22:16.07
IV.PIEI.HHN. ML:1.4 0.0000236 0.4 AML other m 2015-06-26T21:22:14.29
IV.RM33.EHE. ML:2.0 0.00015465000000000002 0.64 AML other m 2015-06-26T21:22:06.83
IV.RM33.EHN. ML:2.2 0.0002295 0.64 AML other m 2015-06-26T21:22:05.65
IV.SACS.HHN. ML:1.7 0.00003855 0.68 AML other m 2015-06-26T21:22:14.47
IV.SACS.HHE. ML:1.6 0.00003115 1.48 AML other m 2015-06-26T21:22:15.17
IV.SMA1.EHE. ML:2.2 0.000253 0.44 AML other m 2015-06-26T21:22:03.27
IV.SMA1.EHN. ML:2.1 0.0001905 0.58 AML other m 2015-06-26T21:22:03.84
IV.SNTG.HHN. ML:1.9 0.0001235 0.4 AML other m 2015-06-26T21:22:04.29
IV.SNTG.HHE. ML:2.0 0.00015900000000000002 0.14 AML other m 2015-06-26T21:22:02.90
IV.SSFR.HHE. ML:2.2 0.000221 1.38 AML other m 2015-06-26T21:22:07.67
IV.SSFR.HHN. ML:2.2 0.00020750000000000003 0.28 AML other m 2015-06-26T21:22:07.66
IV.TERO.HHE. ML:1.7 0.0000668 0.32 AML other m 2015-06-26T21:22:05.50
IV.TERO.HHN. ML:1.5 0.00004095 1.46 AML other m 2015-06-26T21:22:05.59
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