Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 14-09-2020 and time 03:26:40 (Italy) in region 1 km W Ussita (MC)

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

  • 14-09-2020 01:26:40 (UTC)
  • 14-09-2020 03:26:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9450, 13.1290 at 8 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 4 1107 1551
Castelsantangelo sul Nera MC 6 281 1832
Bolognola MC 10 142 1974
Acquacanina MC 10 121 2095
Preci PG 10 724 2819
Fiastra MC 10 559 3378
Fiordimonte MC 11 202 3580
Monte Cavallo MC 12 145 3725
Pieve Torina MC 13 1458 5183
Pievebovigliana MC 14 866 6049
Muccia MC 17 915 6964
Montemonaco AP 17 604 7568
Norcia PG 17 4957 12525
Sarnano MC 17 3264 15789
Montefortino FM 17 1178 16967
Sellano PG 18 1079 18046
Amandola FM 19 3629 21675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
63 Km E of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
96 Km NW of Montesilvano (53738 inhabitants)
100 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 2020-09-14
01:26:40		 42.9453 13.1287 8 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86171951
Reviewed
Rev100 		ML 1.8 2020-09-14
01:26:40		 42.9423 13.1312 9 2020-09-14
01:35:24		 Sala Sismica INGV-Roma 82888241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-14 01:26:40 ± 0.04
Latitude 42.9453 ± 0.0018
Longitude 13.1287 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86171951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 171
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 72
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) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.87954
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 86171951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-11 13:10:21

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 82888241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-14 01:35:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-09-14T01:27:00.30 0.6 undecidable manual S 306 60.2952 50 0.96 34
IV.ARVD.HHZ. 2020-09-14T01:27:00.93 0.3 undecidable manual S 346 63.1923 50 0.82 54
IV.CESX.HHZ. 2020-09-14T01:26:59.09 0.3 undecidable manual S 230 57.7977 50 0.41 64
IV.PE3.EHZ. 2020-09-14T01:26:57.80 0.6 undecidable manual P 329 97.6245 50 0.81 34
IV.ARRO.EHZ. 2020-09-14T01:26:57.23 0.6 undecidable manual S 216 50.2164 50 0.57 41
IV.CING.HNZ. 2020-09-14T01:26:56.08 0.6 undecidable manual S 6 48.0186 50 0.01 47
IV.RM33.EHZ. 2020-09-14T01:26:56.44 0.3 undecidable manual S 172 48.9177 50 0.14 69
IV.CAMP.HHZ. 2020-09-14T01:26:56.50 0.3 undecidable manual S 153 50.8158 50 -0.32 66
IV.ATCC.EHZ. 2020-09-14T01:26:56.54 0.3 undecidable manual S 304 47.7189 50 0.56 62
IV.EL6.EHZ. 2020-09-14T01:26:54.42 0.3 undecidable manual S 357 42.624 50 -0.21 68
IV.MPAG.EHZ. 2020-09-14T01:26:54.92 0.3 undecidable manual P 339 81.5517 50 0.42 61
IV.MNTT.EHZ. 2020-09-14T01:26:54.46 1.0 undecidable manual S 71 40.0266 50 0.53 21
IV.NARO.HHZ. 2020-09-14T01:26:54.82 0.6 undecidable manual P 329 86.0472 50 -0.38 41
IV.ATPI.EHZ. 2020-09-14T01:26:54.16 0.6 undecidable manual P 314 81.1521 50 -0.29 42
IV.VCEL.EHZ. 2020-09-14T01:26:54.99 0.3 undecidable manual P 136 84.249 50 0.06 65
IV.SNTG.HHZ. 2020-09-14T01:26:53.55 0.6 undecidable manual S 336 37.5291 50 0.27 45
IV.ATVO.HHZ. 2020-09-14T01:26:53.52 0.3 undecidable manual P 310 75.8685 50 -0.12 66
IV.T1299.HNN. 2020-09-14T01:26:53.31 0.3 undecidable manual S 160 36.741 50 0.27 68
IV.SMA1.EHZ. 2020-09-14T01:26:53.45 0.3 undecidable manual S 154 38.7279 50 -0.14 70
IV.ASSB.HHZ. 2020-09-14T01:26:53.86 0.3 undecidable manual S 286 39.627 50 0.03 71
IV.LNSS.HHZ. 2020-09-14T01:26:53.61 0.3 undecidable manual S 191 38.628 50 0.04 71
IV.FRON.EHZ. 2020-09-14T01:26:52.66 0.3 undecidable manual P 333 71.373 50 -0.28 64
IV.GAVE.EHZ. 2020-09-14T01:26:52.47 0.3 undecidable manual S 214 33.9438 104 0.2 70
IV.SSFR.HHZ. 2020-09-14T01:26:51.11 0.3 undecidable manual P 333 61.2942 50 -0.27 65
IV.MURB.HHZ. 2020-09-14T01:26:51.23 0.3 undecidable manual P 306 60.2952 50 0 69
IV.ARVD.HHZ. 2020-09-14T01:26:51.35 0.1 positive manual P 346 63.1923 50 -0.32 86
IV.MF5.EHZ. 2020-09-14T01:26:50.82 0.3 undecidable manual S 80 27.2505 107 0.79 59
IV.CESX.HHZ. 2020-09-14T01:26:50.59 0.3 undecidable manual P 230 57.7977 50 -0.26 66
IV.MTRA.EHZ. 2020-09-14T01:26:50.87 0.3 undecidable manual S 134 30.2475 105 -0.14 71
IV.SAP2.EHZ. 2020-09-14T01:26:50.85 0.3 undecidable manual S 52 27.6501 107 0.71 61
IV.CAMP.HHZ. 2020-09-14T01:26:49.27 0.1 undecidable manual P 153 50.8158 50 -0.5 84
IV.OFFI.HHZ. 2020-09-14T01:26:49.65 0.1 undecidable manual P 91 45.2214 50 0.74 78
IV.ATCC.EHZ. 2020-09-14T01:26:49.15 0.6 undecidable manual P 304 47.7189 50 -0.14 46
IV.RM33.EHZ. 2020-09-14T01:26:49.43 0.1 negative manual P 172 48.9177 50 -0.04 93
IV.MOMA.HHZ. 2020-09-14T01:26:49.64 0.6 undecidable manual P 251 48.0186 50 0.3 44
IV.ARRO.EHZ. 2020-09-14T01:26:49.60 0.1 undecidable manual P 216 50.2164 50 -0.08 92
IV.MDAR.HNN. 2020-09-14T01:26:49.77 0.3 undecidable manual S 2 27.4503 107 -0.32 69
IV.CING.HNZ. 2020-09-14T01:26:48.90 0.1 undecidable manual P 6 48.0186 50 -0.44 86
IV.EL6.EHZ. 2020-09-14T01:26:48.03 0.1 negative manual P 357 42.624 50 -0.48 86
IV.PF6.EHN. 2020-09-14T01:26:48.03 0.1 undecidable manual S 14 21.9669 110 -0.26 93
IV.MML1.HNE. 2020-09-14T01:26:48.46 0.3 undecidable manual S 326 22.5552 110 -0.02 74
IV.MNTT.EHZ. 2020-09-14T01:26:48.53 0.3 undecidable manual P 71 40.0266 50 0.42 66
IV.GUMA.HHZ. 2020-09-14T01:26:48.41 0.3 undecidable manual S 52 21.2676 111 0.37 69
IV.ASSB.HHZ. 2020-09-14T01:26:47.72 0.1 undecidable manual P 286 39.627 50 -0.32 89
IV.GAVE.EHZ. 2020-09-14T01:26:47.02 0.1 undecidable manual P 214 33.9438 104 -0.12 94
IV.LNSS.HHZ. 2020-09-14T01:26:47.66 0.6 undecidable manual P 191 38.628 50 -0.24 46
IT.FOPC.HGN. 2020-09-14T01:26:47.25 0.3 undecidable manual P 275 34.6431 50 -0.03 72
IV.SNTG.HHZ. 2020-09-14T01:26:47.18 0.1 undecidable manual P 336 37.5291 50 -0.55 85
IV.CESI.HHZ. 2020-09-14T01:26:47.99 0.3 undecidable manual S 290 19.3695 113 0.55 66
IV.T1299.HNN. 2020-09-14T01:26:47.41 0.3 undecidable manual P 160 36.741 50 -0.18 70
IV.SMA1.EHZ. 2020-09-14T01:26:47.39 0.1 negative manual P 154 38.7279 50 -0.52 86
IV.SAP2.EHZ. 2020-09-14T01:26:46.19 0.1 undecidable manual P 52 27.6501 107 0.27 92
IV.MMO1.EHN. 2020-09-14T01:26:46.50 0.3 undecidable manual S 108 16.872 116 -0.16 72
IV.MF5.EHZ. 2020-09-14T01:26:46.00 0.1 negative manual P 80 27.2505 107 0.15 95
IV.MTRA.EHZ. 2020-09-14T01:26:46.14 0.1 undecidable manual P 134 30.2475 105 -0.28 92
IT.MTCL.HGZ. 2020-09-14T01:26:45.21 0.3 undecidable manual S 297 11.7771 125 0.08 74
IV.MDAR.HNN. 2020-09-14T01:26:45.67 0.3 undecidable manual P 2 27.4503 107 -0.22 70
IV.NRCA.HNZ. 2020-09-14T01:26:45.58 0.3 undecidable manual S 185 12.4764 123 0.26 71
IV.SEF1.HNN. 2020-09-14T01:26:45.74 0.6 undecidable manual P 327 26.751 107 -0.01 49
IV.PF6.EHN. 2020-09-14T01:26:44.61 0.1 undecidable manual P 14 21.9669 110 -0.24 94
IV.MML1.HNE. 2020-09-14T01:26:44.85 0.1 negative manual P 326 22.5552 110 -0.11 96
IV.CESI.HHZ. 2020-09-14T01:26:44.53 0.1 positive manual P 290 19.3695 113 0.17 96
IV.GUMA.HHZ. 2020-09-14T01:26:44.83 0.1 undecidable manual P 52 21.2676 111 0.13 96
IV.FDMO.HHZ. 2020-09-14T01:26:44.51 0.3 undecidable manual S 342 10.6782 128 -0.3 71
IV.MMO1.EHN. 2020-09-14T01:26:43.76 0.1 negative manual P 108 16.872 116 -0.15 97
IT.MTCL.HGZ. 2020-09-14T01:26:43.09 0.1 undecidable manual P 297 11.7771 125 0.07 99
IV.FEMA.HNZ. 2020-09-14T01:26:43.80 0.3 undecidable manual S 286 6.6933 141 -0.01 76
IV.NRCA.HNZ. 2020-09-14T01:26:43.30 0.1 positive manual P 185 12.4764 123 0.17 97
IV.MC2.EHZ. 2020-09-14T01:26:43.57 0.3 undecidable manual S 128 6.1938 143 -0.13 74
IV.FEMA.HNZ. 2020-09-14T01:26:42.39 0.1 positive manual P 286 6.6933 141 0.13 99
IV.MC2.EHZ. 2020-09-14T01:26:42.13 0.1 negative manual P 128 6.1938 143 -0.07 100
IV.FDMO.HHZ. 2020-09-14T01:26:42.70 0.1 positive manual P 342 10.6782 128 -0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:2.2 0.00321 0.36 AML other m 2020-09-14T01:26:44.28
IV.FEMA.HNE. ML:2.2 0.002805 0.52 AML other m 2020-09-14T01:26:44.72
IV.FDMO.HHN. ML:1.9 0.001177 0.24 AML other m 2020-09-14T01:26:45.06
IV.FDMO.HHE. ML:2.0 0.0012999999999999997 0.18 AML other m 2020-09-14T01:26:45.26
IV.NRCA.HHE. ML:2.3 0.00219 0.12 AML other m 2020-09-14T01:26:46.43
IV.NRCA.HNE. ML:2.2 0.002085 0.12 AML other m 2020-09-14T01:26:46.44
IV.NRCA.HHN. ML:2.1 0.00148 0.52 AML other m 2020-09-14T01:26:46.44
IV.NRCA.HNN. ML:2.0 0.001345 0.36 AML other m 2020-09-14T01:26:47.28
IV.GUMA.HHN. ML:2.3 0.0015400000000000001 0.46 AML other m 2020-09-14T01:26:48.80
IV.CESI.HHE. ML:1.8 0.0005795 0.54 AML other m 2020-09-14T01:26:48.65
IV.CESI.HHN. ML:2.0 0.0008539999999999999 0.44 AML other m 2020-09-14T01:26:48.88
IV.GUMA.HNE. ML:2.2 0.0011099999999999999 1.28 AML other m 2020-09-14T01:26:49.80
IV.GUMA.HHE. ML:2.1 0.0009824999999999999 0.88 AML other m 2020-09-14T01:26:49.07
IV.GUMA.HNN. ML:2.4 0.0018980000000000002 1 AML other m 2020-09-14T01:26:50.86
IV.MF5.EHN. ML:1.7 0.000307 0.22 AML other m 2020-09-14T01:26:51.16
IV.MF5.EHE. ML:1.9 0.000475 0.22 AML other m 2020-09-14T01:26:51.27
IV.MTRA.HNE. ML:2.0 0.0005920000000000001 0.54 AML other m 2020-09-14T01:26:51.47
IV.MTRA.EHE. ML:2.0 0.0005965 0.52 AML other m 2020-09-14T01:26:51.47
IV.SAP2.EHE. ML:1.8 0.00038 0.78 AML other m 2020-09-14T01:26:51.24
IV.MTRA.HNN. ML:2.0 0.00046950000000000003 0.22 AML other m 2020-09-14T01:26:51.78
IV.MTRA.EHN. ML:2.0 0.000493 0.22 AML other m 2020-09-14T01:26:51.79
IV.GAVE.EHN. ML:2.2 0.000607 0.18 AML other m 2020-09-14T01:26:53.30
IV.SAP2.EHN. ML:2.6 0.0019299999999999999 1.12 AML other m 2020-09-14T01:26:54.69
IV.GAVE.EHE. ML:2.0 0.00045099999999999996 0.22 AML other m 2020-09-14T01:26:54.13
IV.SNTG.HHE. ML:1.4 0.0001036 1.48 AML other m 2020-09-14T01:26:54.15
IV.LNSS.HHN. ML:1.8 0.0002035 1.34 AML other m 2020-09-14T01:26:54.23
IV.LNSS.HHE. ML:1.7 0.000199 0.62 AML other m 2020-09-14T01:26:54.40
IV.ASSB.HHN. ML:1.8 0.0002525 0.14 AML other m 2020-09-14T01:26:54.52
IV.SNTG.HHN. ML:1.5 0.0001275 0.58 AML other m 2020-09-14T01:26:54.82
IV.ASSB.HHE. ML:1.8 0.000245 0.22 AML other m 2020-09-14T01:26:55.23
IV.EL6.EHN. ML:1.9 0.0002585 0.28 AML other m 2020-09-14T01:26:55.61
IV.SMA1.EHE. ML:1.6 0.000154 1.66 AML other m 2020-09-14T01:26:56.93
IV.CAMP.HHE. ML:1.7 0.000127 0.24 AML other m 2020-09-14T01:26:57.13
IV.EL6.EHE. ML:1.9 0.000257 0.16 AML other m 2020-09-14T01:26:57.10
IV.CAMP.HHN. ML:1.4 0.0000678 0.22 AML other m 2020-09-14T01:26:57.05
IV.ATCC.EHE. ML:1.9 0.00021250000000000002 0.28 AML other m 2020-09-14T01:26:57.14
IV.ATCC.EHN. ML:1.7 0.00013800000000000002 0.52 AML other m 2020-09-14T01:26:57.33
IV.RM33.EHN. ML:1.6 0.0000963 0.26 AML other m 2020-09-14T01:26:57.48
IV.RM33.EHE. ML:1.6 0.00009285 1.58 AML other m 2020-09-14T01:26:58.00
IV.MOMA.HHE. ML:1.6 0.00010850000000000001 1.66 AML other m 2020-09-14T01:26:58.03
IV.ARRO.EHN. ML:1.6 0.00009275 1.28 AML other m 2020-09-14T01:26:59.67
IV.MOMA.HHN. ML:1.5 0.00009085 1.02 AML other m 2020-09-14T01:26:59.05
IV.SMA1.EHN. ML:1.6 0.000136 0.62 AML other m 2020-09-14T01:26:59.32
IV.MNTT.EHE. ML:1.9 0.00027150000000000004 0.94 AML other m 2020-09-14T01:26:59.02
IV.MNTT.EHN. ML:2.0 0.00035999999999999997 1.7 AML other m 2020-09-14T01:26:59.86
IV.ARRO.EHE. ML:1.5 0.0000835 0.56 AML other m 2020-09-14T01:27:00.60
IV.CESX.HHN. ML:1.6 0.00008015 0.4 AML other m 2020-09-14T01:27:00.86
IV.MURB.HHE. ML:2.1 0.0002805 0.26 AML other m 2020-09-14T01:27:01.37
IV.CESX.HHE. ML:1.6 0.0000807 0.2 AML other m 2020-09-14T01:27:01.68
IV.MURB.HHN. ML:1.9 0.00016999999999999999 0.36 AML other m 2020-09-14T01:27:01.85
IV.SSFR.HHE. ML:2.0 0.0001955 0.26 AML other m 2020-09-14T01:27:02.45
IV.SSFR.HHN. ML:1.8 0.000124 0.7 AML other m 2020-09-14T01:27:02.54
IV.ARVD.HHE. ML:1.6 0.00007980000000000002 0.12 AML other m 2020-09-14T01:27:02.93
IV.ARVD.HHN. ML:1.5 0.00006644999999999999 0.24 AML other m 2020-09-14T01:27:02.83
IV.FRON.EHN. ML:1.7 0.0000748 1.6 AML other m 2020-09-14T01:27:05.91
IV.ATVO.HHN. ML:1.3 0.000028400000000000003 0.66 AML other m 2020-09-14T01:27:06.52
IV.ATVO.HHE. ML:1.3 0.00002775 0.98 AML other m 2020-09-14T01:27:07.65
IV.FRON.EHE. ML:1.4 0.000044149999999999996 0.84 AML other m 2020-09-14T01:27:08.63
IV.MPAG.EHN. ML:1.5 0.00004055 0.42 AML other m 2020-09-14T01:27:09.05
IV.MPAG.EHE. ML:1.5 0.0000393 1.3 AML other m 2020-09-14T01:27:09.10
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