Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 21-05-2015 and time 20:41:26 (Italy) in region 2 km NW Sarnano (MC)

A magnitude ML 2.2 earthquake occured in region: 2 km NW Sarnano (MC), on

  • 21-05-2015 18:41:26 (UTC)
  • 21-05-2015 20:41:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0510, 13.2910 at 24 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
Sarnano MC 2 3264 3264
Gualdo MC 4 815 4079
San Ginesio MC 7 3498 7577
Cessapalombo MC 7 512 8089
Bolognola MC 8 142 8231
Camporotondo di Fiastrone MC 9 563 8794
Amandola FM 9 3629 12423
Acquacanina MC 10 121 12544
Sant'Angelo in Pontano MC 10 1436 13980
Penna San Giovanni MC 11 1108 15088
Fiastra MC 11 559 15647
Caldarola MC 11 1823 17470
Ripe San Ginesio MC 12 852 18322
Monte San Martino MC 12 765 19087
Montefortino FM 13 1178 20265
Belforte del Chienti MC 13 1886 22151
Smerillo FM 14 365 22516
Colmurano MC 14 1263 23779
Comunanza AP 14 3166 26945
Montefalcone Appennino FM 15 424 27369
Falerone FM 16 3337 30706
Serrapetrona MC 16 966 31672
Fiordimonte MC 16 202 31874
Loro Piceno MC 17 2401 34275
Servigliano FM 17 2336 36611
Pievebovigliana MC 17 866 37477
Ussita MC 17 444 37921
Montemonaco AP 17 604 38525
Santa Vittoria in Matenano FM 17 1330 39855
Montappone FM 17 1682 41537
Monte Vidon Corrado FM 18 731 42268
Tolentino MC 18 20069 62337
Urbisaglia MC 18 2628 64965
Massa Fermana FM 19 963 65928
Force AP 19 1354 67282
Monteleone di Fermo FM 19 395 67677
Pieve Torina MC 20 1458 69135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
66 Km S of Ancona (100861 inhabitants)
74 Km E of Perugia (166134 inhabitants)
76 Km NE of Terni (111501 inhabitants)
78 Km N of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
100 Km NW of Pescara (121014 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 2015-05-21
18:41:26		 43.0507 13.2913 24 2016-01-08
08:44:50		 Bollettino Sismico Italiano INGV 19362801
Reviewed
Rev100 		ML 2.2 2015-05-21
18:41:26		 43.0542 13.304 24 2015-05-21
18:51:20		 Sala Sismica INGV-Roma 19266541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-05-21 18:41:26 ± 0.07
Latitude 43.0507 ± 0.0036
Longitude 13.2913 ± 0.0062
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 19362801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 74
Number of defining phases 72
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.89483
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 19362801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-05-26 13:14:46

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 19266541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-05-21 18:51:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2015-05-21T18:41:57.99 3.0 undecidable manual S 2.82 0
IV.ATVO.HHZ. 2015-05-21T18:41:51.30 0.6 undecidable manual S 298 80.4639 100 0.89 34
IV.MPAG.EHZ. 2015-05-21T18:41:50.43 0.3 undecidable manual S 326 77.1672 101 0.87 51
IV.ATFO.HHZ. 2015-05-21T18:41:48.21 0.6 undecidable manual S 301 67.9764 103 1.07 32
IV.GIGS.HHZ. 2015-05-21T18:41:48.23 0.6 undecidable manual S 161 70.0743 102 0.52 40
IV.FRON.EHZ. 2015-05-21T18:41:48.11 0.6 undecidable manual S 319 69.0753 103 0.67 38
IV.ARRO.EHZ. 2015-05-21T18:41:47.75 0.6 undecidable manual S 219 67.5768 103 0.71 37
IV.SSFR.HHZ. 2015-05-21T18:41:45.68 0.6 undecidable manual S 316 59.3961 105 0.77 37
IV.CAMP.HHZ. 2015-05-21T18:41:45.03 0.6 undecidable manual S 170 57.8976 105 0.49 41
IV.RM33.EHZ. 2015-05-21T18:41:45.79 0.6 undecidable manual S 186 60.3951 105 0.61 39
IV.ATCC.EHZ. 2015-05-21T18:41:44.08 0.6 undecidable manual S 286 54.8007 106 0.33 43
IV.ARVD.HHZ. 2015-05-21T18:41:44.87 0.3 undecidable manual S 330 57.0984 106 0.53 61
IV.LNSS.HHZ. 2015-05-21T18:41:44.12 0.6 undecidable manual S 202 53.7018 107 0.66 39
IV.FOSV.EHZ. 2015-05-21T18:41:43.05 0.3 undecidable manual S 302 50.7159 108 0.34 65
IV.ASSB.HHZ. 2015-05-21T18:41:43.04 0.3 undecidable manual S 269 51.3153 108 0.19 67
IV.MMUR.HNE. 2015-05-21T18:41:43.06 0.6 undecidable manual S 331 49.5171 108 0.67 39
IV.T0110.HHZ. 2015-05-21T18:41:42.79 0.6 undecidable manual P 156 99.3228 98 -0.25 40
IV.FAGN.HHZ. 2015-05-21T18:41:41.46 3.0 undecidable manual P 0.12 0
IV.OFFI.HHZ. 2015-05-21T18:41:40.84 0.6 undecidable manual S 112 34.4433 117 2.15 16
IV.ATPI.EHE. 2015-05-21T18:41:40.74 0.6 undecidable manual P 302 84.4488 100 -0.03 43
IV.NARO.HHZ. 2015-05-21T18:41:40.71 0.6 undecidable manual P 318 84.5487 100 -0.08 43
IV.ATVO.HHZ. 2015-05-21T18:41:40.06 0.3 undecidable manual P 298 80.4639 100 -0.1 65
IV.FSSB.HHZ. 2015-05-21T18:41:40.49 0.6 undecidable manual P 330 82.4508 100 0.02 44
IV.MPAG.EHZ. 2015-05-21T18:41:39.59 0.3 undecidable manual P 326 77.1672 101 -0.08 65
IV.SNTG.HHZ. 2015-05-21T18:41:39.16 0.6 undecidable manual S 309 36.3414 116 0.02 47
IV.CESX.HHZ. 2015-05-21T18:41:39.27 0.6 undecidable manual P 230 75.4689 101 -0.13 43
IV.CING.HHZ. 2015-05-21T18:41:39.28 0.3 undecidable manual S 348 36.8298 116 0.02 71
IV.ATTE.HHE. 2015-05-21T18:41:39.42 0.6 undecidable manual P 282 77.6667 101 -0.32 41
IV.FRON.EHZ. 2015-05-21T18:41:38.38 0.6 undecidable manual P 319 69.0753 103 -0.07 44
IV.CESI.HHZ. 2015-05-21T18:41:38.27 0.3 undecidable manual S 261 31.746 120 0.22 69
IV.EL6.EHZ. 2015-05-21T18:41:38.75 0.1 undecidable manual S 334 34.5432 117 0.05 95
IV.ATFO.HHZ. 2015-05-21T18:41:38.15 0.6 undecidable manual P 301 67.9764 103 -0.13 44
IV.GIGS.HHZ. 2015-05-21T18:41:38.12 0.3 undecidable manual P 161 70.0743 102 -0.49 61
IV.ARRO.EHZ. 2015-05-21T18:41:38.17 0.6 undecidable manual P 219 67.5768 103 -0.05 45
IV.MURB.HHZ. 2015-05-21T18:41:38.11 0.6 undecidable manual P 291 66.378 103 0.07 44
IV.AOI.HHE. 2015-05-21T18:41:37.12 0.6 undecidable manual P 24 60.7947 104 -0.1 45
IV.NRCA.HNZ. 2015-05-21T18:41:37.11 0.3 undecidable manual S 211 28.0497 124 -0.1 71
IV.FEMA.HNE. 2015-05-21T18:41:36.05 0.3 undecidable manual S 243 21.9669 132 0.14 71
IV.RM33.EHZ. 2015-05-21T18:41:36.80 0.1 undecidable manual P 186 60.3951 105 -0.35 85
IV.CRM1.HNZ. 2015-05-21T18:41:36.91 0.1 undecidable manual S 313 25.8519 126 0.17 94
IV.ATCC.EHZ. 2015-05-21T18:41:36.22 0.1 negative manual P 286 54.8007 106 -0.1 90
IV.SSFR.HHZ. 2015-05-21T18:41:36.87 0.3 undecidable manual P 316 59.3961 105 -0.13 67
IV.GAG1.HNZ. 2015-05-21T18:41:36.92 0.1 undecidable manual S 319 27.5502 124 -0.19 93
IV.CAMP.HHZ. 2015-05-21T18:41:36.33 0.3 undecidable manual P 170 57.8976 105 -0.45 63
IV.ARVD.HHZ. 2015-05-21T18:41:36.44 0.3 undecidable manual P 330 57.0984 106 -0.22 66
IV.SSM1.HNZ. 2015-05-21T18:41:35.66 0.1 undecidable manual S 335 21.867 132 -0.24 93
IV.LNSS.HHZ. 2015-05-21T18:41:35.98 0.1 undecidable manual P 202 53.7018 107 -0.18 89
IV.MNTP.HNE. 2015-05-21T18:41:35.52 0.3 undecidable manual S 56 17.3715 139 0.47 67
IV.MMUR.HNE. 2015-05-21T18:41:35.53 0.6 undecidable manual P 331 49.5171 108 0 47
IV.TERO.HHE. 2015-05-21T18:41:35.81 0.3 undecidable manual P 152 53.8017 107 -0.36 64
IV.FOSV.EHZ. 2015-05-21T18:41:35.44 0.3 undecidable manual P 302 50.7159 108 -0.28 66
IV.MDAR.HNZ. 2015-05-21T18:41:35.14 0.3 undecidable manual S 323 19.869 135 -0.37 68
IV.ASSB.HHZ. 2015-05-21T18:41:35.60 0.1 negative manual P 269 51.3153 108 -0.2 89
IV.OFFI.HHZ. 2015-05-21T18:41:34.17 0.3 undecidable manual P 112 34.4433 117 0.77 58
IV.FDMO.HHZ. 2015-05-21T18:41:34.59 0.3 undecidable manual S 265 16.5723 140 -0.33 69
IV.GUMA.HHZ. 2015-05-21T18:41:33.61 0.1 undecidable manual S 69 3.7962 170 0.16 98
IV.CING.HHZ. 2015-05-21T18:41:33.44 0.3 undecidable manual P 348 36.8298 116 -0.29 67
IV.CSP1.EHZ. 2015-05-21T18:41:33.53 0.3 undecidable manual S 303 8.3805 158 -0.26 71
IV.CESI.HHZ. 2015-05-21T18:41:33.01 0.1 negative manual P 261 31.746 120 -0.03 96
IV.EL6.EHZ. 2015-05-21T18:41:33.25 0.3 undecidable manual P 334 34.5432 117 -0.16 69
IV.SNTG.HHZ. 2015-05-21T18:41:33.38 0.3 undecidable manual P 309 36.3414 116 -0.27 68
IV.TRE1.HNE. 2015-05-21T18:41:32.58 0.3 undecidable manual P 3 28.9488 123 -0.09 71
IV.NRCA.HNZ. 2015-05-21T18:41:32.39 0.1 undecidable manual P 211 28.0497 124 -0.15 94
IV.FIU1.HNE. 2015-05-21T18:41:32.78 0.6 undecidable manual P 298 32.9448 119 -0.4 44
IV.CRM1.HNZ. 2015-05-21T18:41:32.20 0.1 undecidable manual P 313 25.8519 126 -0.07 96
IV.SEF1.HNE. 2015-05-21T18:41:32.42 0.6 undecidable manual P 291 29.8479 122 -0.35 45
IV.GAG1.HNZ. 2015-05-21T18:41:32.25 0.3 undecidable manual P 319 27.5502 124 -0.24 69
IV.MDAR.HNZ. 2015-05-21T18:41:31.30 0.6 undecidable manual P 323 19.869 135 -0.26 46
IV.FEMA.HNE. 2015-05-21T18:41:31.85 0.6 undecidable manual P 243 21.9669 132 0.06 48
IV.SSM1.HNZ. 2015-05-21T18:41:31.55 0.3 undecidable manual P 335 21.867 132 -0.24 70
IV.MNTP.HNE. 2015-05-21T18:41:31.28 0.6 undecidable manual P 56 17.3715 139 -0.02 49
IV.FDMO.HHZ. 2015-05-21T18:41:31.00 0.1 negative manual P 265 16.5723 140 -0.23 94
IV.GUMA.HHZ. 2015-05-21T18:41:30.34 0.1 undecidable manual P 69 3.7962 170 -0.03 100
IV.CSP1.EHZ. 2015-05-21T18:41:30.38 0.1 negative manual P 303 8.3805 158 -0.19 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:1.8 0.000127 0.76 AML other m 2015-05-21T18:41:45.26
IV.ARVD.HHN. ML:1.7 0.0001085 0.96 AML other m 2015-05-21T18:41:46.03
IV.ASSB.HHE. ML:1.9 0.000166 0.16 AML other m 2015-05-21T18:41:44.16
IV.ASSB.HHN. ML:2.2 0.00033150000000000003 0.18 AML other m 2015-05-21T18:41:45.03
IV.ATCC.EHN. ML:2.0 0.000188 0.3 AML other m 2015-05-21T18:41:46.10
IV.ATCC.EHE. ML:2.0 0.0002295 0.16 AML other m 2015-05-21T18:41:45.39
IV.ATFO.HHN. ML:1.9 0.00014000000000000001 0.36 AML other m 2015-05-21T18:41:48.86
IV.ATFO.HHE. ML:2.0 0.00015900000000000002 1.06 AML other m 2015-05-21T18:41:50.35
IV.CESI.HHE. ML:1.5 0.00010449999999999999 0.46 AML other m 2015-05-21T18:41:38.71
IV.CESI.HHN. ML:2.0 0.0003215 1.08 AML other m 2015-05-21T18:41:39.61
IV.CSP1.EHN. ML:2.5 0.0019094 0.26 AML other m 2015-05-21T18:41:33.82
IV.CSP1.EHE. ML:2.3 0.0012441 0.62 AML other m 2015-05-21T18:41:34.02
IV.FAGN.HHN. ML:1.9 0.00009365 1.44 AML other m 2015-05-21T18:41:59.19
IV.FAGN.HHE. ML:1.9 0.00007775 1.56 AML other m 2015-05-21T18:42:00.17
IV.FOSV.EHN. ML:2.0 0.000243 0.82 AML other m 2015-05-21T18:41:44.19
IV.FOSV.EHE. ML:2.4 0.0005700000000000001 0.24 AML other m 2015-05-21T18:41:43.67
IV.FRON.EHE. ML:1.9 0.0001359 0.74 AML other m 2015-05-21T18:41:50.13
IV.FRON.EHN. ML:2.1 0.00020850000000000003 0.3 AML other m 2015-05-21T18:41:51.17
IV.FSSB.HHE. ML:2.3 0.000242 1.36 AML other m 2015-05-21T18:41:54.38
IV.FSSB.HHN. ML:2.5 0.0003625 0.28 AML other m 2015-05-21T18:41:55.06
IV.GUMA.HHN. ML:2.4 0.0016265000000000001 0.38 AML other m 2015-05-21T18:41:34.01
IV.GUMA.HHE. ML:2.5 0.00216 0.6 AML other m 2015-05-21T18:41:33.95
IV.GUMA.HNE. ML:2.4 0.001699 0.54 AML other m 2015-05-21T18:41:33.97
IV.GUMA.HNN. ML:2.3 0.0014299999999999998 0.14 AML other m 2015-05-21T18:41:33.93
IV.LNSS.HHN. ML:2.0 0.000201 0.82 AML other m 2015-05-21T18:41:44.92
IV.LNSS.HHE. ML:1.9 0.0001905 0.8 AML other m 2015-05-21T18:41:44.53
IV.MURB.HHE. ML:2.2 0.00027150000000000004 0.96 AML other m 2015-05-21T18:41:50.03
IV.MURB.HHN. ML:2.4 0.0003745 0.24 AML other m 2015-05-21T18:41:48.85
IV.NRCA.HHN. ML:2.6 0.00158 0.16 AML other m 2015-05-21T18:41:37.46
IV.NRCA.HHE. ML:2.6 0.00183 0.16 AML other m 2015-05-21T18:41:38.17
IV.SNTG.HHN. ML:2.3 0.0007224999999999999 0.16 AML other m 2015-05-21T18:41:39.57
IV.SNTG.HHE. ML:2.0 0.00029549999999999997 0.88 AML other m 2015-05-21T18:41:40.01
IV.SSFR.HHN. ML:2.6 0.0008125 0.18 AML other m 2015-05-21T18:41:47.05
IV.SSFR.HNN. ML:2.6 0.0007785 0.16 AML other m 2015-05-21T18:41:47.06
IV.SSFR.HHE. ML:2.5 0.0006765 0.18 AML other m 2015-05-21T18:41:46.70
IV.SSFR.HNE. ML:2.6 0.0008029999999999999 0.24 AML other m 2015-05-21T18:41:46.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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