Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-03-2020 and time 05:36:52 (Italy) in region 2 km NE Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km NE Monte Cavallo (MC), on

  • 23-03-2020 04:36:52 (UTC)
  • 23-03-2020 05:36:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0120, 13.0200 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 3 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 6 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 11 1107 5763
Fiastra MC 11 559 6322
Ussita MC 12 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sellano PG 16 1079 15664
Sefro MC 16 422 16086
Castelsantangelo sul Nera MC 17 281 16367
Bolognola MC 17 142 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 inhabitants)
100 Km S of Pesaro (94582 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
Reviewed
Rev100 		ML 1.4 2020-03-23
04:36:52		 43.0123 13.0202 10 2020-03-23
04:47:37		 Sala Sismica INGV-Roma 77484781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-23 04:36:52 ± 0.08
Latitude 43.0123 ± 0.0045
Longitude 13.0202 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77484781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 512
Semi-minor axis of confidence ellipse (meter) 446
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.48923
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 77484781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-23 04:47:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-03-23T04:37:10.12 1.0 undecidable manual S 353 54.3012 50 0.34 21
IV.EL6.EHZ. 2020-03-23T04:37:04.68 0.6 undecidable manual S 11 35.742 50 -0.17 46
IV.ARVD.HHZ. 2020-03-23T04:37:03.11 0.1 undecidable manual P 353 54.3012 50 0.56 81
IV.MMO1.EHZ. 2020-03-23T04:37:02.61 0.6 undecidable manual S 117 27.8499 50 -0.13 47
IV.MC2.EHZ. 2020-03-23T04:37:00.35 0.3 undecidable manual S 129 17.6712 120 0.56 64
IV.NRCA.HHZ. 2020-03-23T04:37:00.70 0.3 undecidable manual S 159 21.2676 116 -0.18 70
IV.CSP1.EHZ. 2020-03-23T04:36:59.60 0.3 undecidable manual S 59 17.3715 121 -0.09 72
IV.EL6.EHZ. 2020-03-23T04:36:59.36 0.3 undecidable manual P 11 35.742 50 -0.34 66
IV.MMO1.EHZ. 2020-03-23T04:36:58.30 0.1 positive manual P 117 27.8499 50 -0.19 92
IV.CESI.HHZ. 2020-03-23T04:36:57.51 0.3 undecidable manual S 265 9.3795 138 -0.02 74
IV.NRCA.HHZ. 2020-03-23T04:36:57.26 0.6 positive manual P 159 21.2676 116 -0.15 47
IV.MC2.EHZ. 2020-03-23T04:36:56.94 0.1 undecidable manual P 129 17.6712 120 0.16 95
IT.MTCL.HGZ. 2020-03-23T04:36:56.26 0.3 undecidable manual S 220 2.6973 166 -0.12 73
IV.CSP1.EHZ. 2020-03-23T04:36:56.60 0.1 undecidable manual P 59 17.3715 121 -0.12 95
IV.FDMO.HHZ. 2020-03-23T04:36:56.81 0.3 undecidable manual S 64 6.0939 150 -0.02 74
IV.FDMO.HHZ. 2020-03-23T04:36:55.08 0.1 undecidable manual P 64 6.0939 150 0 100
IV.CESI.HHZ. 2020-03-23T04:36:55.47 0.1 undecidable manual P 265 9.3795 138 0 99
IT.MTCL.HGZ. 2020-03-23T04:36:54.80 0.1 undecidable manual P 220 2.6973 166 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.3 0.00031892540000000004 0.1376 AML other m 2020-03-23T04:36:56.92
IV.FDMO.HHN. ML:1.2 0.0002572414 0.1792 AML other m 2020-03-23T04:36:57.30
IV.CESI.HNE. ML:1.4 0.00030861355000000003 0.08 AML other m 2020-03-23T04:36:57.71
IV.CESI.HNN. ML:1.7 0.0006439368999999999 0.2112 AML other m 2020-03-23T04:36:57.60
IV.CESI.HHE. ML:1.4 0.00035962609999999997 0.3776 AML other m 2020-03-23T04:36:57.70
IV.CESI.HHN. ML:1.6 0.00045958735000000003 0.1376 AML other m 2020-03-23T04:36:57.60
IV.CSP1.EHE. ML:1.2 0.00014072585500000002 0.48 AML other m 2020-03-23T04:37:00.00
IV.CSP1.EHN. ML:1.2 0.00014105474 12.8576 AML other m 2020-03-23T04:37:02.36
IV.NRCA.HHE. ML:1.1 0.00007943969500000001 2.9184 AML other m 2020-03-23T04:37:00.85
IV.NRCA.HHN. ML:0.8 0.000042507305 0.16 AML other m 2020-03-23T04:37:01.44
IV.NRCA.HNE. ML:1.4 0.00016738965 1.3984 AML other m 2020-03-23T04:36:59.13
IV.NRCA.HNN. ML:1.6 0.0002529608 0.7488 AML other m 2020-03-23T04:37:09.92
IV.EL6.EHE. ML:1.6 0.0001634204 2.4 AML other m 2020-03-23T04:37:08.69
IV.EL6.EHN. ML:1.6 0.00016576495000000002 3.9808 AML other m 2020-03-23T04:37:02.50
IV.ARVD.HHE. ML:1.7 0.00011894515 3.5584 AML other m 2020-03-23T04:37:11.92
IV.ARVD.HHN. ML:1.6 0.00008499121500000001 2.0608 AML other m 2020-03-23T04:37:12.41
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