Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 22-03-2020 and time 14:00:30 (Italy) in region 2 km W Visso (MC)

A magnitude ML 1.5 earthquake occured in region: 2 km W Visso (MC), on

  • 22-03-2020 13:00:30 (UTC)
  • 22-03-2020 14:00:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9320, 13.0610 at 10 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 2 1107 1107
Preci PG 6 724 1831
Ussita MC 7 444 2275
Monte Cavallo MC 9 145 2420
Castelsantangelo sul Nera MC 9 281 2701
Sellano PG 12 1079 3780
Fiordimonte MC 12 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 14 559 5999
Acquacanina MC 14 121 6120
Pievebovigliana MC 15 866 6986
Bolognola MC 15 142 7128
Norcia PG 16 4957 12085
Muccia MC 17 915 13000
Cerreto di Spoleto PG 17 1075 14075
Serravalle di Chienti MC 18 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
97 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 1.5 2020-03-22
13:00:30		 42.9317 13.0612 10 2020-07-18
21:08:30		 Bollettino Sismico Italiano INGV 77787031
Reviewed
Rev100 		ML 1.6 2020-03-22
13:00:30		 42.9283 13.0633 10 2020-03-22
13:14:26		 Sala Sismica INGV-Roma 77468071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 13:00:30 ± 0.06
Latitude 42.9317 ± 0.0036
Longitude 13.0612 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77787031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 1.06300
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 77787031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-02 11:06:38

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 77468071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 13:14:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-03-22T13:00:53.18 0.3 undecidable manual S 337 70.4739 50 0.69 57
IT.RMVT.HGZ. 2020-03-22T13:00:49.60 3.0 undecidable manual P 117.993 -1.09 0
IV.TERO.HHZ. 2020-03-22T13:00:48.43 0.3 undecidable manual S 128 55.8996 50 -0.18 68
IV.CESX.HHZ. 2020-03-22T13:00:47.86 0.3 undecidable manual S 227 52.7028 50 0.11 69
IV.EL6.EHZ. 2020-03-22T13:00:45.57 0.6 undecidable manual S 4 44.2224 50 0.08 47
IV.SMA1.EHN. 2020-03-22T13:00:44.27 0.6 undecidable manual S 146 40.1265 50 -0.14 47
IV.SAP2.EHE. 2020-03-22T13:00:43.19 0.6 undecidable manual S 56 32.9448 50 0.71 40
IV.MF5.EHZ. 2020-03-22T13:00:43.13 0.6 undecidable manual S 79 32.9448 50 0.65 41
IV.LNSS.HHZ. 2020-03-22T13:00:43.20 0.3 undecidable manual S 183 36.5412 50 -0.23 69
IV.SNTG.HHZ. 2020-03-22T13:00:43.37 0.6 undecidable manual S 345 37.1295 50 -0.23 46
IV.FRON.EHZ. 2020-03-22T13:00:43.42 0.6 undecidable manual P 337 70.4739 50 0.07 45
IV.MTRA.EHZ. 2020-03-22T13:00:42.25 0.3 undecidable manual S 125 33.4443 50 -0.37 68
IV.MDAR.HNN. 2020-03-22T13:00:41.29 0.6 undecidable manual S 13 29.6481 50 -0.32 46
IT.FOPC.HGZ. 2020-03-22T13:00:41.65 0.3 undecidable manual S 278 29.3484 50 0.12 72
IV.CESX.HHZ. 2020-03-22T13:00:40.45 1.0 undecidable manual P 227 52.7028 50 -0.17 23
IV.GUMA.HHZ. 2020-03-22T13:00:40.96 0.3 undecidable manual S 57 26.5512 110 0.29 69
IV.TERO.HHZ. 2020-03-22T13:00:40.78 1.0 undecidable manual P 128 55.8996 50 -0.33 22
IV.MNTT.EHZ. 2020-03-22T13:00:40.13 1.0 undecidable manual P 71 45.7209 50 0.59 21
IV.SMA1.EHN. 2020-03-22T13:00:40.00 0.6 undecidable manual P 146 40.1265 50 1.31 30
IV.T1299.HNN. 2020-03-22T13:00:39.55 0.3 undecidable manual P 151 37.629 50 1.26 46
IV.PF6.EHZ. 2020-03-22T13:00:39.92 0.3 undecidable manual S 25 25.2525 111 -0.34 69
IV.EL6.EHZ. 2020-03-22T13:00:39.15 0.6 undecidable manual P 4 44.2224 50 -0.17 46
IV.MMO1.EHZ. 2020-03-22T13:00:38.89 0.6 undecidable manual S 99 21.867 114 -0.27 47
IV.MML1.HNZ. 2020-03-22T13:00:38.79 0.3 undecidable manual S 340 21.4674 114 -0.23 71
IV.CSP1.EHZ. 2020-03-22T13:00:38.83 0.6 undecidable manual S 33 21.2676 114 -0.13 48
IV.LNSS.HHZ. 2020-03-22T13:00:37.80 0.1 undecidable manual P 183 36.5412 50 -0.32 90
IV.SNTG.HHZ. 2020-03-22T13:00:37.96 1.0 undecidable manual P 345 37.1295 50 -0.26 23
IV.CESI.HHZ. 2020-03-22T13:00:37.20 0.6 undecidable manual S 303 15.0738 122 0.13 49
IV.MTRA.EHZ. 2020-03-22T13:00:37.32 0.1 undecidable manual P 125 33.4443 50 -0.34 91
IV.SAP2.EHE. 2020-03-22T13:00:37.29 0.6 undecidable manual P 56 32.9448 50 -0.29 46
IV.MF5.EHZ. 2020-03-22T13:00:37.76 0.1 negative manual P 79 32.9448 50 0.19 94
IV.GUMA.HHZ. 2020-03-22T13:00:36.57 0.1 positive manual P 57 26.5512 110 0.04 98
IV.FDMO.HHZ. 2020-03-22T13:00:36.19 0.6 undecidable manual S 10 11.7771 129 0.05 50
IV.FIU1.HNZ. 2020-03-22T13:00:36.10 0.6 undecidable manual P 340 30.3474 50 -1.08 34
IT.FOPC.HGZ. 2020-03-22T13:00:36.84 0.6 undecidable manual P 278 29.3484 50 -0.19 47
IV.PF6.EHZ. 2020-03-22T13:00:36.11 0.1 undecidable manual P 25 25.2525 111 -0.18 95
IV.MDAR.HNN. 2020-03-22T13:00:36.85 0.3 undecidable manual P 13 29.6481 50 -0.22 70
IV.MML1.HNZ. 2020-03-22T13:00:35.50 0.1 undecidable manual P 340 21.4674 114 -0.08 98
IV.CSP1.EHZ. 2020-03-22T13:00:35.48 0.6 undecidable manual P 33 21.2676 114 -0.06 49
IT.MTCL.HGZ. 2020-03-22T13:00:35.22 0.3 undecidable manual S 324 8.4804 138 -0.1 75
IV.MMO1.EHZ. 2020-03-22T13:00:35.52 0.1 positive manual P 99 21.867 114 -0.14 96
IV.NRCA.HNZ. 2020-03-22T13:00:35.98 0.6 undecidable manual S 158 11.6772 129 -0.14 49
IV.MC2.EHZ. 2020-03-22T13:00:35.95 0.6 undecidable manual S 102 10.5783 132 0.12 49
IV.FEMA.HNZ. 2020-03-22T13:00:34.48 0.6 undecidable manual S 345 3.4965 160 0.08 50
IV.MC2.EHZ. 2020-03-22T13:00:34.00 1.0 undecidable manual P 102 10.5783 132 0.26 24
IV.FDMO.HHZ. 2020-03-22T13:00:34.04 0.1 negative manual P 10 11.7771 129 0.12 99
IV.CESI.HHZ. 2020-03-22T13:00:34.62 0.1 positive manual P 303 15.0738 122 0.17 97
IV.NRCA.HNZ. 2020-03-22T13:00:33.95 0.1 positive manual P 158 11.6772 129 0.05 100
IV.FEMA.HNZ. 2020-03-22T13:00:33.15 0.1 negative manual P 345 3.4965 160 0.24 97
IT.MTCL.HGZ. 2020-03-22T13:00:33.54 0.1 positive manual P 324 8.4804 138 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.0004363521 0.1216 AML other m 2020-03-22T13:00:36.12
IV.FEMA.HNE. ML:2.2 0.0027892579999999998 0.192 AML other m 2020-03-22T13:00:34.72
IV.FEMA.HNN. ML:1.8 0.001125853 0.0704 AML other m 2020-03-22T13:00:34.82
IV.NRCA.HNN. ML:1.5 0.0003972114 0.1344 AML other m 2020-03-22T13:00:36.13
IV.NRCA.HHE. ML:1.6 0.0004976105000000001 0.1792 AML other m 2020-03-22T13:00:36.17
IV.NRCA.HNE. ML:1.6 0.00047635615 0.1856 AML other m 2020-03-22T13:00:36.18
IV.CESI.HHN. ML:1.8 0.0006267213499999999 0.1024 AML other m 2020-03-22T13:00:37.48
IV.CESI.HNE. ML:1.4 0.00024530220000000004 0.2496 AML other m 2020-03-22T13:00:37.59
IV.CESI.HHE. ML:1.4 0.00024535915 0.16 AML other m 2020-03-22T13:00:37.59
IV.CESI.HNN. ML:1.8 0.0005761962 0.1088 AML other m 2020-03-22T13:00:37.48
IV.CSP1.EHE. ML:1.7 0.00034262895000000004 0.2816 AML other m 2020-03-22T13:00:39.48
IV.CSP1.EHN. ML:1.7 0.00035321065 0.1408 AML other m 2020-03-22T13:00:39.57
IV.MTRA.HNN. ML:1.5 0.00014199845 0.352 AML other m 2020-03-22T13:00:44.42
IV.MTRA.EHE. ML:1.2 0.00007420347500000001 0.4224 AML other m 2020-03-22T13:00:42.48
IV.MTRA.EHN. ML:1.5 0.000132949 0.3584 AML other m 2020-03-22T13:00:44.42
IV.MTRA.HNE. ML:1.2 0.00007067977999999999 0.7168 AML other m 2020-03-22T13:00:42.28
IV.MF5.EHE. ML:1.5 0.00014957745 1.184 AML other m 2020-03-22T13:00:43.44
IV.MF5.EHN. ML:1.3 0.00009110322999999999 0.3008 AML other m 2020-03-22T13:00:43.61
IV.SNTG.HHE. ML:1.0 0.000042215331 0.1408 AML other m 2020-03-22T13:00:44.41
IV.SNTG.HHN. ML:1.1 0.000043225485 0.2432 AML other m 2020-03-22T13:00:45.04
IV.EL6.EHN. ML:1.6 0.00012365923 0.2432 AML other m 2020-03-22T13:00:46.67
IV.EL6.EHE. ML:1.6 0.0001178517925 0.16 AML other m 2020-03-22T13:00:46.86
IV.MNTT.EHN. ML:2.0 0.00029949595 1.3632 AML other m 2020-03-22T13:00:47.40
IV.TERO.HHN. ML:1.2 0.000035273560000000005 0.6016 AML other m 2020-03-22T13:00:48.98
IV.TERO.HHE. ML:1.1 0.00002840278 0.1216 AML other m 2020-03-22T13:00:48.79
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