Earthquake with magnitude of ML 0.9 on date 29-03-2021 and time 00:25:47 (Italy) in region 4 km W Monte Cavallo (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km W Monte Cavallo (MC), on

  • 28-03-2021 22:25:47 (UTC)
  • 29-03-2021 00:25:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9920, 12.9530 at 8 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.

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 4 145 145
Serravalle di Chienti MC 9 1070 1215
Pieve Torina MC 10 1458 2673
Sellano PG 12 1079 3752
Fiordimonte MC 12 202 3954
Muccia MC 13 915 4869
Visso MC 13 1107 5976
Pievebovigliana MC 13 866 6842
Preci PG 14 724 7566
Ussita MC 16 444 8010
Fiastra MC 17 559 8569
Sefro MC 17 422 8991
Valtopina PG 18 1398 10389
Camerino MC 19 6974 17363
Acquacanina MC 19 121 17484
Nocera Umbra PG 19 5839 23323
Cerreto di Spoleto PG 19 1075 24398
Castelsantangelo sul Nera MC 20 281 24679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
95 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
Reviewed
Rev100
ML 0.9 2021-03-28
22:25:47
42.9918 12.9527 8 2021-03-28
22:31:15
Sala Sismica INGV-Roma 88567591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-28 22:25:47 ± 0.06
Latitude 42.9918 ± 0.0045
Longitude 12.9527 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88567591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 228
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.41369
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 88567591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-28 22:31:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-03-28T22:26:03.72 0.1 undecidable manual S 311 45.9207 50 0.58 85
IV.MOMA.HHZ. 2021-03-28T22:26:01.40 0.6 undecidable manual S 236 37.4292 50 0.52 44
IV.EL6.EHZ. 2021-03-28T22:26:01.17 0.6 undecidable manual S 18 39.3273 50 -0.21 47
IV.ATCC.EHZ. 2021-03-28T22:25:59.48 0.6 undecidable manual S 310 33.2445 103 0.04 50
IV.GAVE.EHZ. 2021-03-28T22:25:59.64 0.6 undecidable manual S 188 33.5442 103 0.07 49
IV.MMO1.EHZ. 2021-03-28T22:25:58.73 0.6 undecidable manual S 109 32.0457 103 -0.33 47
IV.ASSB.HHZ. 2021-03-28T22:25:56.51 0.3 undecidable manual S 283 24.4533 107 -0.02 76
IV.MURB.HHZ. 2021-03-28T22:25:56.46 0.1 undecidable manual P 311 45.9207 50 -0.12 95
IV.CSP1.EHZ. 2021-03-28T22:25:56.25 0.6 undecidable manual S 61 23.2545 108 0.14 49
IV.MC2.EHZ. 2021-03-28T22:25:55.30 1.0 undecidable manual S 115 21.1677 110 -0.12 25
IV.NRCA.HHZ. 2021-03-28T22:25:55.71 0.6 undecidable manual S 143 21.9669 109 0.04 51
IV.EL6.EHZ. 2021-03-28T22:25:55.22 0.1 undecidable manual P 18 39.3273 50 -0.35 92
IV.ATCC.EHZ. 2021-03-28T22:25:54.22 0.1 undecidable manual P 310 33.2445 103 -0.23 95
IV.GAVE.EHZ. 2021-03-28T22:25:54.35 1.0 undecidable manual P 188 33.5442 103 -0.17 24
IV.MOMA.HHZ. 2021-03-28T22:25:54.88 0.1 undecidable manual P 236 37.4292 50 -0.4 91
IV.MMO1.EHZ. 2021-03-28T22:25:53.93 0.1 undecidable manual P 109 32.0457 103 -0.3 94
IV.MC2.EHZ. 2021-03-28T22:25:52.63 0.1 undecidable manual P 115 21.1677 110 0.5 92
IV.NRCA.HHZ. 2021-03-28T22:25:52.32 0.3 positive manual P 143 21.9669 109 0.05 76
IV.CSP1.EHZ. 2021-03-28T22:25:52.63 0.6 positive manual P 61 23.2545 108 0.11 50
IV.FDMO.HHZ. 2021-03-28T22:25:52.69 0.6 undecidable manual S 66 11.9769 122 0.15 50
IV.ASSB.HHZ. 2021-03-28T22:25:52.69 0.1 positive manual P 283 24.4533 107 -0.08 100
IV.CESI.HHZ. 2021-03-28T22:25:50.52 0.6 undecidable manual S 290 4.1958 151 -0.08 52
IV.FDMO.HHZ. 2021-03-28T22:25:50.72 0.1 positive manual P 66 11.9769 122 0.25 99
IV.CESI.HHZ. 2021-03-28T22:25:49.46 1.0 undecidable manual P 290 4.1958 151 0.11 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.7 0.00006815 1.68 AML other m 2021-03-28T22:25:52.02
IV.FDMO.HHN. ML:0.8 0.00007960000000000001 0.42 AML other m 2021-03-28T22:25:53.21
IV.NRCA.HHN. ML:1.0 0.00007455000000000001 0.1 AML other m 2021-03-28T22:25:56.11
IV.ASSB.HHN. ML:1.0 0.00007175 0.26 AML other m 2021-03-28T22:25:56.79
IV.NRCA.HHE. ML:1.0 0.0000815 1.86 AML other m 2021-03-28T22:25:57.06
IV.ASSB.HHE. ML:1.0 0.00006245 0.42 AML other m 2021-03-28T22:25:57.59
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download