Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 12-07-2020 and time 10:34:22 (Italy) in region 5 km NW Visso (MC)

A magnitude ML 1.8 earthquake occured in region: 5 km NW Visso (MC), on

  • 12-07-2020 08:34:22 (UTC)
  • 12-07-2020 10:34:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9770, 13.0660 at 9 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
Visso MC 5 1107 1107
Monte Cavallo MC 6 145 1252
Fiordimonte MC 7 202 1454
Ussita MC 7 444 1898
Pieve Torina MC 8 1458 3356
Pievebovigliana MC 10 866 4222
Fiastra MC 10 559 4781
Acquacanina MC 11 121 4902
Preci PG 11 724 5626
Castelsantangelo sul Nera MC 12 281 5907
Muccia MC 12 915 6822
Bolognola MC 13 142 6964
Serravalle di Chienti MC 14 1070 8034
Sellano PG 15 1079 9113
Camerino MC 18 6974 16087

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
57 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 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 2020-07-12
08:34:22		 42.9772 13.066 9 2020-11-19
12:37:03		 Bollettino Sismico Italiano INGV 83413251
Reviewed
Rev100 		ML 1.8 2020-07-12
08:34:23		 42.976 13.0647 9 2020-07-12
08:42:29		 Sala Sismica INGV-Roma 80973701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-12 08:34:22 ± 0.05
Latitude 42.9772 ± 0.0027
Longitude 13.0660 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83413251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 83413251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-01 11:17:32

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 80973701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-12 08:42:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-07-12T08:34:46.90 0.6 undecidable manual S 325 75.369 50 0.81 35
IV.TERO.HHZ. 2020-07-12T08:34:41.70 0.3 undecidable manual S 132 58.7967 50 0.03 68
IV.MURB.HHZ. 2020-07-12T08:34:41.20 0.6 undecidable manual S 306 54.1014 50 0.79 36
IV.RM33.EHZ. 2020-07-12T08:34:40.20 0.6 undecidable manual S 167 53.3022 50 0 46
IV.ATCC.EHZ. 2020-07-12T08:34:37.00 0.6 undecidable manual S 304 41.5251 50 -0.05 48
IV.EL6.EHZ. 2020-07-12T08:34:36.40 0.3 undecidable manual S 4 39.2274 50 -0.03 71
IV.PIEI.HHZ. 2020-07-12T08:34:36.22 0.3 undecidable manual P 325 75.369 50 -0.1 66
IV.MTRA.EHZ. 2020-07-12T08:34:35.30 0.1 undecidable manual S 132 36.3414 50 -0.37 89
IV.MF5.EHZ. 2020-07-12T08:34:35.00 0.1 undecidable manual S 88 31.9458 105 0.53 86
IV.SNTG.HHZ. 2020-07-12T08:34:34.40 0.6 undecidable manual S 342 32.4453 105 -0.23 46
IV.TERO.HHZ. 2020-07-12T08:34:33.58 0.3 undecidable manual P 132 58.7967 50 -0.19 67
IV.MURB.HHZ. 2020-07-12T08:34:32.91 0.3 undecidable manual P 306 54.1014 50 -0.13 68
IV.GUMA.HHZ. 2020-07-12T08:34:32.20 0.1 undecidable manual S 66 23.8539 110 0.43 90
IV.RM33.EHZ. 2020-07-12T08:34:32.88 0.3 undecidable manual P 167 53.3022 50 -0.04 70
IV.MMO1.EHZ. 2020-07-12T08:34:31.20 0.1 undecidable manual S 112 22.8549 111 -0.26 93
IV.PF6.EHZ. 2020-07-12T08:34:30.50 0.1 undecidable manual S 30 20.6682 113 -0.24 93
IV.ATCC.EHZ. 2020-07-12T08:34:30.88 0.3 undecidable manual P 304 41.5251 50 -0.22 69
IV.EL6.EHZ. 2020-07-12T08:34:30.36 0.3 undecidable manual P 4 39.2274 50 -0.38 66
IV.SNTG.HHZ. 2020-07-12T08:34:29.59 0.3 undecidable manual P 342 32.4453 105 -0.12 71
IV.NRCA.HHZ. 2020-07-12T08:34:29.40 0.1 undecidable manual S 166 16.3725 118 -0.01 99
IV.MTRA.EHZ. 2020-07-12T08:34:29.89 0.1 undecidable manual P 132 36.3414 50 -0.41 88
IV.MML1.HNZ. 2020-07-12T08:34:29.50 0.3 undecidable manual S 333 16.9719 117 -0.08 73
IV.MF5.EHZ. 2020-07-12T08:34:29.74 0.1 undecidable manual P 88 31.9458 105 0.13 94
IV.CSP1.EHZ. 2020-07-12T08:34:29.50 0.3 undecidable manual S 41 16.9719 117 -0.09 73
IV.MC2.EHZ. 2020-07-12T08:34:28.60 0.3 undecidable manual S 126 12.3765 125 0.39 70
IV.GUMA.HHZ. 2020-07-12T08:34:28.26 0.1 undecidable manual P 66 23.8539 110 0.21 94
IV.CESI.HHZ. 2020-07-12T08:34:28.70 0.1 undecidable manual S 283 13.4754 123 0.17 96
IV.MMO1.EHZ. 2020-07-12T08:34:27.79 0.1 undecidable manual P 112 22.8549 111 -0.09 96
IV.PF6.EHZ. 2020-07-12T08:34:27.38 0.1 undecidable manual P 30 20.6682 113 -0.08 97
IV.CSP1.EHZ. 2020-07-12T08:34:26.85 0.1 negative manual P 41 16.9719 117 0.05 98
IV.MC2.EHZ. 2020-07-12T08:34:26.20 0.1 negative manual P 126 12.3765 125 0.2 96
IV.FDMO.HHZ. 2020-07-12T08:34:26.50 0.1 undecidable manual S 15 6.7932 142 -0.3 94
IV.NRCA.HHZ. 2020-07-12T08:34:26.80 0.1 undecidable manual P 166 16.3725 118 0.11 97
IV.MML1.HNZ. 2020-07-12T08:34:26.84 0.1 undecidable manual P 333 16.9719 117 0.05 98
IT.MTCL.HGZ. 2020-07-12T08:34:26.30 0.3 undecidable manual S 289 5.6943 147 -0.27 71
IV.CESI.HHZ. 2020-07-12T08:34:26.41 0.1 positive manual P 283 13.4754 123 0.23 95
IT.MTCL.HGZ. 2020-07-12T08:34:25.12 0.1 positive manual P 289 5.6943 147 0.07 100
IV.FEMA.HNZ. 2020-07-12T08:34:25.90 0.1 undecidable manual S 218 2.0979 166 -0.17 98
IV.FDMO.HHZ. 2020-07-12T08:34:25.25 0.1 negative manual P 15 6.7932 142 0.07 100
IV.FEMA.HNZ. 2020-07-12T08:34:24.93 0.1 positive manual P 218 2.0979 166 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.0 0.0015267705 0.1792 AML other m 2020-07-12T08:34:26.68
IV.FDMO.HHE. ML:0.0 0.0015415480000000002 0.16 AML other m 2020-07-12T08:34:26.98
IV.CESI.HHN. ML:0.0 0.0015883560000000002 0.32 AML other m 2020-07-12T08:34:28.99
IV.CESI.HHE. ML:0.0 0.0014092294999999999 0.1856 AML other m 2020-07-12T08:34:28.81
IV.NRCA.HNN. ML:0.0 0.00048230909999999997 0.1408 AML other m 2020-07-12T08:34:31.98
IV.NRCA.HNE. ML:0.0 0.0004375 0.12 AML other m 2020-07-12T08:34:31.06
IV.NRCA.HHE. ML:0.0 0.0005029833 0.0768 AML other m 2020-07-12T08:34:31.12
IV.NRCA.HHN. ML:0.0 0.0005527086500000001 0.1408 AML other m 2020-07-12T08:34:31.97
IV.GUMA.HHN. ML:0.0 0.0009142710499999999 0.32 AML other m 2020-07-12T08:34:32.43
IV.GUMA.HHE. ML:0.0 0.00048473565 0.4032 AML other m 2020-07-12T08:34:34.47
IV.MF5.EHE. ML:0.0 0.0001836816825 0.2624 AML other m 2020-07-12T08:34:35.39
IV.MTRA.EHE. ML:0.0 0.000134769 0.1856 AML other m 2020-07-12T08:34:35.91
IV.MTRA.EHN. ML:0.0 0.0001301592 0.32 AML other m 2020-07-12T08:34:37.58
IV.ATCC.EHN. ML:0.0 0.00008449129 0.1152 AML other m 2020-07-12T08:34:37.66
IV.ATCC.EHE. ML:0.0 0.00009400644 0.2816 AML other m 2020-07-12T08:34:40.67
IV.EL6.EHN. ML:1.5 0.0001275 0.2 AML other m 2020-07-12T08:34:39.01
IV.MF5.EHN. ML:1.6 0.000162 0.56 AML other m 2020-07-12T08:34:40.86
IV.EL6.EHE. ML:1.6 0.00014065 1.38 AML other m 2020-07-12T08:34:41.70
IV.MURB.HHN. ML:0.0 0.00011284354500000001 0.3008 AML other m 2020-07-12T08:34:43.57
IV.MURB.HHE. ML:0.0 0.00011169029999999999 0.1792 AML other m 2020-07-12T08:34:42.57
IV.FEMA.HNE. ML:0.0 0.0057504715 0.0896 AML other m 2020-07-12T08:34:26.50
IV.FEMA.HNN. ML:0.0 0.004797269 0.1472 AML other m 2020-07-12T08:34:26.55
IV.CESI.HNN. ML:0.0 0.00141298 0.1728 AML other m 2020-07-12T08:34:28.97
IV.CESI.HNE. ML:0.0 0.00140285795 0.192 AML other m 2020-07-12T08:34:28.81
IV.GUMA.HNE. ML:0.0 0.00074776045 0.4416 AML other m 2020-07-12T08:34:34.31
IV.SNTG.HHE. ML:0.0 0.000055357315 0.16 AML other m 2020-07-12T08:34:37.37
IV.SNTG.HHN. ML:0.0 0.000057753874999999994 0.2368 AML other m 2020-07-12T08:34:36.70
IV.MTRA.HNN. ML:0.0 0.0001360616 0.3136 AML other m 2020-07-12T08:34:37.73
IV.MTRA.HNE. ML:0.0 0.00014493980000000002 0.192 AML other m 2020-07-12T08:34:35.81
IV.RM33.EHE. ML:0.0 0.000029362275 0.16 AML other m 2020-07-12T08:34:43.26
IV.RM33.EHN. ML:0.0 0.000026483995 0.1984 AML other m 2020-07-12T08:34:41.49
IV.TERO.HNE. ML:0.0 0.00015587754999999998 0.6208 AML other m 2020-07-12T08:34:47.56
IV.TERO.HHN. ML:0.0 0.00007299372 0.1344 AML other m 2020-07-12T08:34:42.10
IV.TERO.HHE. ML:0.0 0.000069650355 0.096 AML other m 2020-07-12T08:34:42.10
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