Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 22-03-2020 and time 23:52:48 (UTC) in region 7 km W Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 22-03-2020 23:52:48 (UTC)
  • 23-03-2020 00:52:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9970, 12.9140 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
Monte Cavallo MC 7 145 145
Serravalle di Chienti MC 9 1070 1215
Sellano PG 12 1079 2294
Pieve Torina MC 12 1458 3752
Muccia MC 14 915 4667
Valtopina PG 15 1398 6065
Fiordimonte MC 15 202 6267
Pievebovigliana MC 16 866 7133
Visso MC 16 1107 8240
Nocera Umbra PG 16 5839 14079
Preci PG 17 724 14803
Sefro MC 17 422 15225
Foligno PG 18 57155 72380
Trevi PG 19 8469 80849
Ussita MC 19 444 81293
Cerreto di Spoleto PG 20 1075 82368
Spello PG 20 8645 91013
Camerino MC 20 6974 97987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
95 Km S of Fano (60888 inhabitants)
99 Km SE of Arezzo (99543 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 1.4 2020-03-22
23:52:48		 42.9968 12.9142 10 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 77950521
Reviewed
Rev100 		ML 1.4 2020-03-22
23:52:48		 42.9978 12.912 10 2020-03-23
00:03:01		 Sala Sismica INGV-Roma 77479761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 23:52:48 ± 0.04
Latitude 42.9968 ± 0.0018
Longitude 12.9142 ± 0.0037
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 77950521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.45775
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 77950521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-16 12:26:54

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 77479761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-23 00:03:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATSC.EHN. 2020-03-22T23:53:05.20 0.6 undecidable manual S 339 50.8158 50 0.48 42
IV.T1299.HNZ. 2020-03-22T23:53:05.25 0.6 undecidable manual S 143 50.1165 50 0.71 39
IV.CING.HNE. 2020-03-22T23:53:04.58 0.6 undecidable manual S 28 47.8188 50 0.67 40
IV.CESX.HHE. 2020-03-22T23:53:04.92 0.6 undecidable manual S 212 50.616 50 0.25 44
IV.LNSS.HHE. 2020-03-22T23:53:03.12 0.6 undecidable manual S 167 44.9217 50 -0.01 47
IV.EL6.EHZ. 2020-03-22T23:53:02.27 0.6 undecidable manual S 22 39.9267 50 0.47 43
IV.MMO1.EHZ. 2020-03-22T23:53:00.46 0.6 undecidable manual S 108 35.2425 50 -0.09 47
IV.ATCC.EHZ. 2020-03-22T23:52:59.20 0.6 undecidable manual S 313 30.4473 50 -0.09 48
IV.MDAR.HNE. 2020-03-22T23:52:58.80 0.6 undecidable manual S 40 28.5492 50 0.02 48
IV.PF6.EHN. 2020-03-22T23:52:58.39 0.6 undecidable manual S 55 27.5502 50 -0.12 47
IV.SNTG.HHZ. 2020-03-22T23:52:58.96 0.6 undecidable manual S 4 28.749 50 0.14 47
IV.ATSC.EHN. 2020-03-22T23:52:57.77 0.6 undecidable manual P 339 50.8158 50 -0.07 46
IV.CSP1.EHZ. 2020-03-22T23:52:57.88 0.6 undecidable manual S 66 25.8519 50 -0.16 47
IV.CESX.HHE. 2020-03-22T23:52:57.51 0.1 undecidable manual P 212 50.616 50 -0.31 88
IV.T1299.HNZ. 2020-03-22T23:52:57.80 0.1 undecidable manual P 143 50.1165 50 0.06 92
IV.MC2.EHE. 2020-03-22T23:52:57.77 0.6 undecidable manual S 113 24.2535 112 0.22 47
IV.NRCA.HHZ. 2020-03-22T23:52:57.19 0.3 undecidable manual S 138 24.3534 112 -0.4 68
IV.CING.HNE. 2020-03-22T23:52:57.35 0.1 undecidable manual P 28 47.8188 50 -0.02 93
IV.LNSS.HHE. 2020-03-22T23:52:56.80 1.0 undecidable manual P 167 44.9217 50 -0.13 23
IV.FIU1.HNE. 2020-03-22T23:52:56.29 0.6 undecidable manual S 4 21.3675 115 -0.34 46
IV.EL6.EHZ. 2020-03-22T23:52:56.08 0.6 positive manual P 22 39.9267 50 -0.08 47
IV.SEF1.HNE. 2020-03-22T23:52:55.21 0.6 undecidable manual S 9 16.872 121 -0.05 49
IT.FOPC.HGZ. 2020-03-22T23:52:55.60 0.6 undecidable manual S 260 17.3715 120 0.19 48
IV.MMO1.EHZ. 2020-03-22T23:52:55.31 0.6 negative manual P 108 35.2425 50 -0.12 47
IT.GNU.HGE. 2020-03-22T23:52:55.28 0.3 undecidable manual P 233 35.2425 50 -0.15 70
IV.SNTG.HHZ. 2020-03-22T23:52:54.16 0.3 undecidable manual P 4 28.749 50 -0.28 69
IV.MDAR.HNE. 2020-03-22T23:52:54.22 0.1 undecidable manual P 40 28.5492 50 -0.19 93
IV.MML1.HNN. 2020-03-22T23:52:54.39 0.6 undecidable manual S 20 13.7751 126 0.03 50
IV.ATCC.EHZ. 2020-03-22T23:52:54.68 0.3 undecidable manual P 313 30.4473 50 -0.03 72
IV.FDMO.HHZ. 2020-03-22T23:52:54.57 0.3 undecidable manual S 73 14.7741 124 -0.06 74
IV.MC2.EHE. 2020-03-22T23:52:54.11 0.6 undecidable manual P 113 24.2535 112 0.4 45
IV.NRCA.HHZ. 2020-03-22T23:52:53.56 0.3 positive manual P 138 24.3534 112 -0.16 71
IV.FEMA.HNE. 2020-03-22T23:52:53.97 0.6 undecidable manual S 109 11.6772 131 0.19 48
IV.CSP1.EHZ. 2020-03-22T23:52:53.84 0.1 undecidable manual P 66 25.8519 50 -0.15 95
IV.PF6.EHN. 2020-03-22T23:52:53.99 0.1 undecidable manual P 55 27.5502 50 -0.27 92
IV.FIU1.HNE. 2020-03-22T23:52:53.20 0.6 undecidable manual P 4 21.3675 115 0.03 49
IT.MTCL.HGZ. 2020-03-22T23:52:52.67 0.6 undecidable manual S 93 6.8931 145 0 50
IV.FDMO.HHZ. 2020-03-22T23:52:52.09 0.1 positive manual P 73 14.7741 124 0.08 98
IV.SEF1.HNE. 2020-03-22T23:52:52.23 0.6 undecidable manual P 9 16.872 121 -0.16 48
IT.FOPC.HGZ. 2020-03-22T23:52:52.62 0.1 undecidable manual P 260 17.3715 120 0.15 96
IT.MTCL.HGZ. 2020-03-22T23:52:51.05 0.6 undecidable manual P 93 6.8931 145 0.16 49
IV.FEMA.HNE. 2020-03-22T23:52:51.84 0.1 undecidable manual P 109 11.6772 131 0.31 94
IV.CESI.HHZ. 2020-03-22T23:52:51.76 0.3 undecidable manual S 320 1.1988 173 -0.19 74
IV.MML1.HNN. 2020-03-22T23:52:51.97 0.1 undecidable manual P 20 13.7751 126 0.11 98
IV.CESI.HHZ. 2020-03-22T23:52:50.56 0.1 undecidable manual P 320 1.1988 173 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.5 0.00060034985 0.064 AML other m 2020-03-22T23:52:51.92
IV.CESI.HNN. ML:1.4 0.0005389413499999999 0.0512 AML other m 2020-03-22T23:52:52.05
IV.CESI.HHN. ML:1.5 0.0006036648499999999 0.064 AML other m 2020-03-22T23:52:52.05
IV.FDMO.HHE. ML:0.9 0.00007673919499999999 0.1792 AML other m 2020-03-22T23:52:54.72
IV.FDMO.HHN. ML:1.0 0.000092220905 0.3584 AML other m 2020-03-22T23:52:54.71
IV.NRCA.HNN. ML:1.6 0.0002713203 0.128 AML other m 2020-03-22T23:52:57.39
IV.NRCA.HHN. ML:1.6 0.00027160975 0.1152 AML other m 2020-03-22T23:52:57.39
IV.NRCA.HHE. ML:1.6 0.00022452369999999999 0.0896 AML other m 2020-03-22T23:52:57.48
IV.NRCA.HNE. ML:1.6 0.00021963198 0.0672 AML other m 2020-03-22T23:52:57.69
IV.CSP1.EHE. ML:1.2 0.000085383555 0.2976 AML other m 2020-03-22T23:52:58.44
IV.CSP1.EHN. ML:1.2 0.00008132463 0.1152 AML other m 2020-03-22T23:52:58.61
IV.SNTG.HNN. ML:1.6 0.00017888574999999998 1.1136 AML other m 2020-03-22T23:52:59.13
IV.SNTG.HNE. ML:1.3 0.00010276964499999999 0.128 AML other m 2020-03-22T23:52:59.19
IV.SNTG.HHE. ML:1.3 0.00009323866 0.1152 AML other m 2020-03-22T23:52:59.26
IV.SNTG.HHN. ML:1.1 0.000069499305 0.1152 AML other m 2020-03-22T23:52:59.44
IV.ATCC.EHN. ML:1.0 0.000048320515 0.2432 AML other m 2020-03-22T23:52:59.35
IV.ATCC.EHE. ML:1.1 0.00005415781 0.128 AML other m 2020-03-22T23:52:59.99
IV.EL6.EHN. ML:1.5 0.00011206873000000001 0.2176 AML other m 2020-03-22T23:53:02.87
IV.EL6.EHE. ML:1.6 0.00015284895 0.1408 AML other m 2020-03-22T23:53:03.01
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