Earthquake with magnitude of ML 1.3 on date 15-03-2021 and time 21:26:57 (Italy) in region 1 km SW Monte Cavallo (MC)

A magnitude ML 1.3 earthquake occured in region: 1 km SW Monte Cavallo (MC), on

  • 15-03-2021 20:26:57 (UTC)
  • 15-03-2021 21:26:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9850, 12.9930 at 12 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.

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 1 145 145
Pieve Torina MC 8 1458 1603
Visso MC 10 1107 2710
Fiordimonte MC 10 202 2912
Serravalle di Chienti MC 10 1070 3982
Pievebovigliana MC 12 866 4848
Muccia MC 12 915 5763
Sellano PG 12 1079 6842
Preci PG 12 724 7566
Ussita MC 13 444 8010
Fiastra MC 15 559 8569
Acquacanina MC 16 121 8690
Castelsantangelo sul Nera MC 17 281 8971
Camerino MC 18 6974 15945
Sefro MC 18 422 16367
Bolognola MC 19 142 16509
Cerreto di Spoleto PG 19 1075 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
96 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 1.3 2021-03-15
20:26:57
42.9852 12.9928 12 2021-07-12
16:55:16
Bollettino Sismico Italiano INGV 91494001
Reviewed
Rev100
ML 1.6 2021-03-15
20:26:57
42.983 12.9993 11 2021-03-15
20:35:39
Sala Sismica INGV-Roma 88169741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-15 20:26:57 ± 0.05
Latitude 42.9852 ± 0.0027
Longitude 12.9928 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91494001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 91494001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-18 12:07:01

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 88169741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-15 20:35:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2021-03-15T20:28:11.57 3.0 positive manual Pg 8.75 0
IV.HAGA.HHZ. 2021-03-15T20:28:01.63 3.0 undecidable manual Pn 0.31 0
IV.CADC.EHZ. 2021-03-15T20:27:51.44 3.0 undecidable manual Pg 7.95 0
GU.IMI.HHZ. 2021-03-15T20:27:46.49 3.0 positive manual Pn -0.04 0
IV.BLLA.EHZ. 2021-03-15T20:27:45.25 3.0 undecidable manual Sg -0.14 0
IV.CSNT.HHZ. 2021-03-15T20:27:38.74 3.0 undecidable manual Sn -1.15 0
GU.GSCL.HHZ. 2021-03-15T20:27:30.89 3.0 undecidable manual Pn 2.35 0
IV.EL6.EHZ. 2021-03-15T20:27:10.18 0.3 undecidable manual S 13 39.1275 92 0.11 69
IV.MF5.EHZ. 2021-03-15T20:27:10.70 0.6 undecidable manual S 89 37.8288 92 0.98 35
IV.ATCC.EHZ. 2021-03-15T20:27:09.50 0.3 undecidable manual S 308 36.2415 92 0.23 67
IV.GAVE.EHZ. 2021-03-15T20:27:08.49 0.3 undecidable manual S 194 33.4443 92 -0.05 71
IV.MMO1.EHZ. 2021-03-15T20:27:07.05 0.3 undecidable manual S 109 28.749 93 -0.23 68
IV.GUMA.HHZ. 2021-03-15T20:27:07.87 0.3 undecidable manual S 73 29.0487 93 0.5 65
IV.MDAR.HNN. 2021-03-15T20:27:06.40 0.6 undecidable manual S 28 26.0517 94 -0.16 46
IT.FOPC.HGN. 2021-03-15T20:27:06.13 0.6 undecidable manual S 266 23.5542 94 0.22 46
IV.CSP1.EHZ. 2021-03-15T20:27:05.18 0.3 undecidable manual S 55 20.868 96 0 72
IV.EL6.EHZ. 2021-03-15T20:27:04.42 0.1 undecidable manual P 13 39.1275 92 -0.19 90
IV.MC2.EHZ. 2021-03-15T20:27:04.42 0.6 undecidable manual S 117 17.871 99 0.02 49
IV.MF5.EHZ. 2021-03-15T20:27:04.65 0.3 undecidable manual P 89 37.8288 92 0.24 67
IV.ATCC.EHZ. 2021-03-15T20:27:04.21 0.1 undecidable manual P 308 36.2415 92 0.06 93
IV.NRCA.HHZ. 2021-03-15T20:27:04.60 0.6 undecidable manual S 150 19.4694 97 -0.22 46
IV.MML1.HNE. 2021-03-15T20:27:03.25 0.3 undecidable manual S 353 14.3745 108 -0.22 70
IV.GUMA.HHZ. 2021-03-15T20:27:03.15 0.1 undecidable manual P 73 29.0487 93 0.1 94
IV.GAVE.EHZ. 2021-03-15T20:27:03.53 0.3 undecidable manual P 194 33.4443 92 -0.2 69
IV.MMO1.EHZ. 2021-03-15T20:27:02.79 0.1 undecidable manual P 109 28.749 93 -0.21 91
IV.CESI.HHZ. 2021-03-15T20:27:02.02 0.3 undecidable manual S 287 7.4814 137 0.09 72
IV.FDMO.HHZ. 2021-03-15T20:27:02.17 0.3 undecidable manual S 53 9.5793 128 -0.17 71
IV.MDAR.HNN. 2021-03-15T20:27:02.65 0.6 undecidable manual P 28 26.0517 94 0.07 47
IT.FOPC.HGN. 2021-03-15T20:27:02.13 0.3 undecidable manual P 266 23.5542 94 -0.07 72
IT.MTCL.HGZ. 2021-03-15T20:27:01.00 0.3 undecidable manual S 28 1.0989 173 -0.22 72
IV.NRCA.HHZ. 2021-03-15T20:27:01.42 0.3 undecidable manual P 150 19.4694 97 -0.16 71
IV.MC2.EHZ. 2021-03-15T20:27:01.34 0.1 undecidable manual P 117 17.871 99 0.01 97
IV.CSP1.EHZ. 2021-03-15T20:27:01.66 0.1 undecidable manual P 55 20.868 96 -0.13 94
IV.FEMA.HNE. 2021-03-15T20:27:01.68 0.6 undecidable manual S 119 5.2947 149 0.1 49
IV.FDMO.HHZ. 2021-03-15T20:27:00.10 0.1 undecidable manual P 53 9.5793 128 -0.05 98
IV.MML1.HNE. 2021-03-15T20:27:00.72 0.1 undecidable manual P 353 14.3745 108 -0.08 96
IV.CESI.HHZ. 2021-03-15T20:27:00.03 0.1 undecidable manual P 287 7.4814 137 0.12 96
IV.FEMA.HNE. 2021-03-15T20:26:59.81 0.1 undecidable manual P 119 5.2947 149 0.1 97
IT.MTCL.HGZ. 2021-03-15T20:26:59.48 0.1 undecidable manual P 28 1.0989 173 -0.02 100
IV.LRP.EHZ. 2021-03-15T20:26:57.60 3.0 positive manual P -0.57 0
IV.VIVA.HHZ. 2021-03-15T20:26:51.60 3.0 negative manual P -0.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.7 0.0006299920999999999 0.1792 AML other m 2021-03-15T20:27:02.16
IV.CESI.HNN. ML:1.6 0.00056961935 0.1792 AML other m 2021-03-15T20:27:02.16
IV.CESI.HNE. ML:1.4 0.0003420295 0.0768 AML other m 2021-03-15T20:27:02.17
IV.CESI.HHE. ML:1.5 0.000411 0.32 AML other m 2021-03-15T20:27:02.17
IV.FDMO.HHN. ML:1.6 0.0005015000000000001 0.16 AML other m 2021-03-15T20:27:02.48
IV.FDMO.HHE. ML:1.6 0.0004144724 0.1152 AML other m 2021-03-15T20:27:02.55
IV.CSP1.EHE. ML:1.5 0.000235597915 0.1408 AML other m 2021-03-15T20:27:05.31
IV.CSP1.EHN. ML:1.6 0.0002483605 0.3072 AML other m 2021-03-15T20:27:05.75
IV.GUMA.HHN. ML:1.2 0.00007104687 0.448 AML other m 2021-03-15T20:27:12.20
IV.GUMA.HHE. ML:1.1 0.000059780860000000006 0.1536 AML other m 2021-03-15T20:27:07.94
IV.GAVE.EHE. ML:1.2 0.000062513205 0.1664 AML other m 2021-03-15T20:27:09.05
IV.GAVE.EHN. ML:1.1 0.00005285251 0.1152 AML other m 2021-03-15T20:27:09.92
IV.ATCC.EHE. ML:0.8 0.000023223339999999998 0.1152 AML other m 2021-03-15T20:27:09.65
IV.ATCC.EHN. ML:0.8 0.000023666264999999998 0.32 AML other m 2021-03-15T20:27:09.75
IV.EL6.EHN. ML:1.2 0.000054081465000000005 0.1152 AML other m 2021-03-15T20:27:11.20
IV.EL6.EHE. ML:1.1 0.000046565010000000006 0.1024 AML other m 2021-03-15T20:27:10.82
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