Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 14-08-2020 and time 15:13:02 (Italy) in region 1 km W Sarnano (MC)

A magnitude ML 1.6 earthquake occured in region: 1 km W Sarnano (MC), on

  • 14-08-2020 13:13:02 (UTC)
  • 14-08-2020 15:13:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0390, 13.2870 at 26 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 1 3264 3264
Gualdo MC 5 815 4079
Bolognola MC 7 142 4221
Cessapalombo MC 8 512 4733
San Ginesio MC 8 3498 8231
Amandola FM 9 3629 11860
Acquacanina MC 9 121 11981
Fiastra MC 11 559 12540
Camporotondo di Fiastrone MC 11 563 13103
Sant'Angelo in Pontano MC 11 1436 14539
Penna San Giovanni MC 11 1108 15647
Montefortino FM 12 1178 16825
Caldarola MC 12 1823 18648
Monte San Martino MC 13 765 19413
Ripe San Ginesio MC 13 852 20265
Smerillo FM 14 365 20630
Comunanza AP 14 3166 23796
Belforte del Chienti MC 15 1886 25682
Colmurano MC 15 1263 26945
Montefalcone Appennino FM 15 424 27369
Montemonaco AP 16 604 27973
Ussita MC 16 444 28417
Fiordimonte MC 16 202 28619
Pievebovigliana MC 17 866 29485
Falerone FM 17 3337 32822
Santa Vittoria in Matenano FM 17 1330 34152
Serrapetrona MC 17 966 35118
Servigliano FM 17 2336 37454
Loro Piceno MC 18 2401 39855
Montappone FM 18 1682 41537
Force AP 19 1354 42891
Monte Vidon Corrado FM 19 731 43622
Tolentino MC 19 20069 63691
Urbisaglia MC 19 2628 66319
Pieve Torina MC 19 1458 67777
Castelsantangelo sul Nera MC 19 281 68058
Monteleone di Fermo FM 20 395 68453
Massa Fermana FM 20 963 69416

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
67 Km S of Ancona (100861 inhabitants)
73 Km E of Perugia (166134 inhabitants)
74 Km NE of Terni (111501 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
91 Km NW of Montesilvano (53738 inhabitants)
92 Km S of Fano (60888 inhabitants)
99 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 1.6 2020-08-14
13:13:02		 43.0388 13.2873 26 2020-11-19
12:36:58		 Bollettino Sismico Italiano INGV 82315321
Reviewed
Rev100 		ML 1.6 2020-08-14
13:13:02		 43.0388 13.2773 27 2020-08-14
13:23:35		 Sala Sismica INGV-Roma 81972971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-14 13:13:02 ± 0.09
Latitude 43.0388 ± 0.0036
Longitude 13.2873 ± 0.0049
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82315321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
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) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.73924
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 81972971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-14 13:23:35

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 82315321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-25 14:24:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-08-14T13:13:19.34 0.6 undecidable manual S 271 51.0156 111 0.23 44
IV.FOSV.EHZ. 2020-08-14T13:13:19.44 0.3 undecidable manual S 304 51.2154 111 0.28 65
IV.PIEI.HHZ. 2020-08-14T13:13:16.75 0.3 undecidable manual P 312 82.0512 102 0.15 63
IV.CING.HNZ. 2020-08-14T13:13:16.27 0.6 undecidable manual S 349 38.0286 119 0.28 44
IV.MTRA.HNZ. 2020-08-14T13:13:14.69 0.6 undecidable manual S 164 32.5452 123 -0.03 47
IV.CESI.HNZ. 2020-08-14T13:13:14.78 0.3 undecidable manual S 263 31.2465 124 0.35 67
IV.MURB.HHZ. 2020-08-14T13:13:14.57 0.3 undecidable manual P 292 66.5778 106 0.29 64
IV.MML1.HNZ. 2020-08-14T13:13:13.58 0.3 undecidable manual S 288 26.8509 129 0.08 71
IV.NRCA.HHZ. 2020-08-14T13:13:13.35 0.3 undecidable manual S 212 26.751 129 -0.12 70
IV.FOSV.EHZ. 2020-08-14T13:13:12.03 0.1 undecidable manual P 304 51.2154 111 0 92
IV.TERO.HHZ. 2020-08-14T13:13:12.78 0.6 undecidable manual P 151 52.9026 110 0.51 41
IV.ARVD.HHE. 2020-08-14T13:13:12.94 0.3 undecidable manual P 331 58.0974 108 -0.09 67
IV.FEMA.HNE. 2020-08-14T13:13:12.33 0.6 undecidable manual S 246 21.0678 137 -0.03 48
IV.MC2.EHZ. 2020-08-14T13:13:11.66 0.3 undecidable manual S 209 16.2726 145 0.11 72
IV.SMA1.EHZ. 2020-08-14T13:13:11.12 0.1 undecidable manual P 175 45.4212 114 -0.1 91
IV.FDMO.HHZ. 2020-08-14T13:13:11.23 0.6 undecidable manual S 269 16.1727 145 -0.31 46
IV.MF5.EHZ. 2020-08-14T13:13:11.74 0.3 undecidable manual S 112 15.0738 147 0.36 68
IV.ASSB.HHZ. 2020-08-14T13:13:11.87 0.1 negative manual P 271 51.0156 111 -0.13 89
IV.MMO1.EHZ. 2020-08-14T13:13:11.22 0.3 undecidable manual S 168 15.7731 146 -0.26 70
IV.PF6.EHZ. 2020-08-14T13:13:10.53 0.6 undecidable manual S 326 13.2756 150 -0.6 43
IV.GUMA.HHZ. 2020-08-14T13:13:10.41 0.3 undecidable manual S 56 4.6953 169 0.1 73
IV.CING.HNZ. 2020-08-14T13:13:10.04 0.1 positive manual P 349 38.0286 119 -0.16 92
IV.EL6.EHE. 2020-08-14T13:13:09.78 0.1 undecidable manual P 335 35.5422 121 -0.07 94
IV.MTRA.HNZ. 2020-08-14T13:13:09.37 0.3 undecidable manual P 164 32.5452 123 -0.09 70
IV.CESI.HNZ. 2020-08-14T13:13:09.30 0.3 undecidable manual P 263 31.2465 124 0 71
IV.NRCA.HHZ. 2020-08-14T13:13:08.59 0.1 positive manual P 212 26.751 129 -0.15 93
IT.MTCL.HGZ. 2020-08-14T13:13:08.31 0.3 undecidable manual P 258 23.8539 133 -0.1 71
IV.MNTT.EHE. 2020-08-14T13:13:08.63 0.6 undecidable manual P 84 25.1526 131 0.08 47
IV.FEMA.HNE. 2020-08-14T13:13:08.73 0.6 undecidable manual P 246 21.0678 137 0.63 42
IV.MML1.HNZ. 2020-08-14T13:13:08.77 0.1 undecidable manual P 288 26.8509 129 0.01 96
IV.FDMO.HHZ. 2020-08-14T13:13:07.42 0.1 undecidable manual P 269 16.1727 145 -0.21 94
IV.MF5.EHZ. 2020-08-14T13:13:07.72 0.1 negative manual P 112 15.0738 147 0.19 94
IV.MMO1.EHZ. 2020-08-14T13:13:07.45 0.1 undecidable manual P 168 15.7731 146 -0.14 95
IV.PF6.EHZ. 2020-08-14T13:13:07.06 0.1 positive manual P 326 13.2756 150 -0.33 92
IV.MC2.EHZ. 2020-08-14T13:13:07.66 0.1 positive manual P 209 16.2726 145 0.03 98
IV.GUMA.HHZ. 2020-08-14T13:13:06.89 0.1 negative manual P 56 4.6953 169 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:1.5 0.00017195015 0.1216 AML other m 2020-08-14T13:13:11.82
IV.FDMO.HHE. ML:1.3 0.00010449542000000001 0.1408 AML other m 2020-08-14T13:13:11.96
IV.MF5.EHE. ML:1.3 0.00010482914999999999 0.1984 AML other m 2020-08-14T13:13:12.12
IV.FDMO.HHN. ML:1.2 0.000078418875 0.1408 AML other m 2020-08-14T13:13:12.17
IV.NRCA.HHN. ML:2.0 0.000393157 0.1408 AML other m 2020-08-14T13:13:13.78
IV.NRCA.HNN. ML:2.0 0.00036793025 0.1216 AML other m 2020-08-14T13:13:13.79
IV.NRCA.HHE. ML:1.9 0.00030968465 0.1024 AML other m 2020-08-14T13:13:14.36
IV.NRCA.HNE. ML:1.9 0.00029830179999999995 0.1088 AML other m 2020-08-14T13:13:14.31
IV.FOSV.EHE. ML:1.5 0.00006887895 0.32 AML other m 2020-08-14T13:13:19.72
IV.FOSV.EHN. ML:1.7 0.00011049754 0.32 AML other m 2020-08-14T13:13:19.96
IV.ASSB.HHE. ML:1.5 0.00006470000000000001 0.38 AML other m 2020-08-14T13:13:20.17
IV.ASSB.HHN. ML:1.5 0.00007482012 0.2368 AML other m 2020-08-14T13:13:20.62
IV.MURB.HHE. ML:1.8 0.00010009409 0.256 AML other m 2020-08-14T13:13:24.78
IV.MURB.HHN. ML:1.6 0.00006835 1.36 AML other m 2020-08-14T13:13:25.72
IV.PIEI.HHN. ML:1.2 0.000022187475000000002 0.1408 AML other m 2020-08-14T13:13:28.61
IV.PIEI.HHE. ML:1.4 0.000031291294999999996 0.1408 AML other m 2020-08-14T13:13:29.32
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