Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-04-2021 and time 01:27:40 (Italy) in region 3 km E Pievebovigliana (MC)

A magnitude ML 1.4 earthquake occured in region: 3 km E Pievebovigliana (MC), on

  • 11-04-2021 23:27:40 (UTC)
  • 12-04-2021 01:27:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0570, 13.1200 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pievebovigliana MC 3 866 866
Fiordimonte MC 3 202 1068
Fiastra MC 4 559 1627
Acquacanina MC 5 121 1748
Pieve Torina MC 6 1458 3206
Muccia MC 7 915 4121
Camerino MC 10 6974 11095
Bolognola MC 11 142 11237
Monte Cavallo MC 12 145 11382
Caldarola MC 13 1823 13205
Ussita MC 13 444 13649
Cessapalombo MC 13 512 14161
Serravalle di Chienti MC 14 1070 15231
Visso MC 14 1107 16338
Camporotondo di Fiastrone MC 15 563 16901
Serrapetrona MC 15 966 17867
Sarnano MC 15 3264 21131
Belforte del Chienti MC 15 1886 23017
San Ginesio MC 17 3498 26515
Sefro MC 17 422 26937
Pioraco MC 18 1134 28071
Castelraimondo MC 18 4587 32658
Gualdo MC 18 815 33473
Castelsantangelo sul Nera MC 18 281 33754
San Severino Marche MC 20 12726 46480

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km E of Perugia (166134 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
82 Km N of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 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
Bulletin
Rev1000 		ML 1.4 2021-04-11
23:27:40		 43.0573 13.1203 9 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 91054071
Reviewed
Rev100 		ML 1.5 2021-04-11
23:27:40		 43.0605 13.1202 9 2021-04-11
23:40:39		 Sala Sismica INGV-Roma 89023481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-11 23:27:40 ± 0.05
Latitude 43.0573 ± 0.0027
Longitude 13.1203 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91054071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 304
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
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) 0.64032
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 91054071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-10 20:43:38

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 89023481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-11 23:40:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-04-11T23:28:03.11 0.3 undecidable manual S 319 71.0733 50 0.73 55
IV.SSFR.HHZ. 2021-04-11T23:27:57.37 0.3 undecidable manual S 327 50.1165 50 0.57 61
IV.SMA1.EHZ. 2021-04-11T23:27:56.76 0.6 undecidable manual S 160 50.5161 50 -0.13 45
IV.GAVE.EHZ. 2021-04-11T23:27:55.11 0.3 undecidable manual S 204 44.5221 50 -0.18 68
IV.ATCC.EHZ. 2021-04-11T23:27:54.78 0.6 undecidable manual S 290 41.4252 50 0.32 44
IV.FOSV.EHZ. 2021-04-11T23:27:53.77 0.6 undecidable manual S 312 39.2274 50 -0.11 47
IV.PIEI.HHZ. 2021-04-11T23:27:52.84 0.1 undecidable manual P 319 71.0733 50 -0.26 85
IV.EL6.EHZ. 2021-04-11T23:27:51.04 0.3 undecidable manual S 357 30.2475 106 -0.3 68
IV.MF5.EHZ. 2021-04-11T23:27:51.22 0.3 undecidable manual S 106 28.5492 107 0.42 67
IV.SNTG.HHZ. 2021-04-11T23:27:49.76 0.3 undecidable manual S 327 26.3514 108 -0.29 69
IV.SSFR.HHZ. 2021-04-11T23:27:49.63 0.3 undecidable manual P 327 50.1165 50 -0.25 67
IV.SAP2.EHZ. 2021-04-11T23:27:49.52 0.3 undecidable manual S 79 23.0547 111 0.56 65
IV.MMO1.EHZ. 2021-04-11T23:27:49.08 0.3 undecidable manual S 136 24.2535 110 -0.29 69
IV.NRCA.HHZ. 2021-04-11T23:27:49.13 0.3 undecidable manual S 181 24.8529 109 -0.43 67
IV.SMA1.EHZ. 2021-04-11T23:27:49.50 0.3 undecidable manual P 160 50.5161 50 -0.43 64
IV.MNTT.EHZ. 2021-04-11T23:27:48.63 0.6 undecidable manual P 89 38.5281 50 0.54 42
IV.GAVE.EHZ. 2021-04-11T23:27:48.90 0.3 undecidable manual P 204 44.5221 50 -0.11 69
IV.ATCC.EHZ. 2021-04-11T23:27:48.39 0.3 undecidable manual P 290 41.4252 50 -0.14 69
IV.SEF1.HNZ. 2021-04-11T23:27:47.30 0.3 undecidable manual S 305 17.1717 117 0.2 71
IV.CESI.HHZ. 2021-04-11T23:27:47.86 0.3 undecidable manual S 252 18.4704 115 0.36 69
IV.FOSV.EHZ. 2021-04-11T23:27:47.90 0.1 negative manual P 312 39.2274 50 -0.3 90
IV.EL6.EHZ. 2021-04-11T23:27:46.41 0.1 undecidable manual P 357 30.2475 106 -0.32 91
IV.MF5.EHZ. 2021-04-11T23:27:46.61 0.1 positive manual P 106 28.5492 107 0.19 93
IV.FEMA.HNZ. 2021-04-11T23:27:46.02 0.3 undecidable manual S 208 11.9769 126 0.45 68
IV.MML1.HNZ. 2021-04-11T23:27:46.06 0.3 undecidable manual S 297 13.5753 123 0.05 74
IV.MMO1.EHZ. 2021-04-11T23:27:45.36 0.1 negative manual P 136 24.2535 110 -0.23 93
IV.NRCA.HHZ. 2021-04-11T23:27:45.54 0.1 negative manual P 181 24.8529 109 -0.16 95
IT.MTCL.HGZ. 2021-04-11T23:27:45.84 0.3 undecidable manual S 234 12.0768 126 0.25 71
IV.SNTG.HHZ. 2021-04-11T23:27:45.72 0.3 undecidable manual P 327 26.3514 108 -0.26 69
IV.SAP2.EHZ. 2021-04-11T23:27:45.87 0.3 undecidable manual P 79 23.0547 111 0.51 66
IV.PF6.EHZ. 2021-04-11T23:27:44.97 0.3 undecidable manual S 34 10.7781 129 -0.26 71
IV.CESI.HHZ. 2021-04-11T23:27:44.69 0.1 positive manual P 252 18.4704 115 0.17 95
IV.CSP1.EHZ. 2021-04-11T23:27:44.43 0.3 undecidable manual S 61 7.881 138 -0.06 75
IV.FEMA.HNZ. 2021-04-11T23:27:43.69 0.3 undecidable manual P 208 11.9769 126 0.29 71
IV.MML1.HNZ. 2021-04-11T23:27:43.86 0.1 positive manual P 297 13.5753 123 0.2 96
IV.SEF1.HNZ. 2021-04-11T23:27:43.82 0.6 undecidable manual P 305 17.1717 117 -0.46 45
IV.PF6.EHZ. 2021-04-11T23:27:43.17 0.1 undecidable manual P 34 10.7781 129 -0.03 100
IV.FDMO.HHZ. 2021-04-11T23:27:43.41 0.1 undecidable manual S 229 3.4965 158 -0.28 96
IT.MTCL.HGZ. 2021-04-11T23:27:43.44 0.3 undecidable manual P 234 12.0768 126 0.03 75
IV.FDMO.HHZ. 2021-04-11T23:27:42.38 0.1 undecidable manual P 229 3.4965 158 0.07 100
IV.CSP1.EHZ. 2021-04-11T23:27:42.83 0.1 positive manual P 61 7.881 138 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.7 0.0007936963500000001 0.1408 AML other m 2021-04-11T23:27:45.05
IV.CSP1.EHN. ML:1.6 0.0006800105 0.2944 AML other m 2021-04-11T23:27:46.27
IV.CESI.HHN. ML:1.3 0.0001735 0.14 AML other m 2021-04-11T23:27:48.14
IV.CESI.HHE. ML:1.1 0.00011 0.16 AML other m 2021-04-11T23:27:48.17
IV.NRCA.HHN. ML:1.4 0.000149 0.1 AML other m 2021-04-11T23:27:51.11
IV.NRCA.HHE. ML:1.4 0.0001545 0.16 AML other m 2021-04-11T23:27:52.03
IV.ATCC.EHE. ML:1.7 0.000158 0.16 AML other m 2021-04-11T23:27:55.09
IV.ATCC.EHN. ML:1.6 0.00013141379999999999 0.1664 AML other m 2021-04-11T23:27:54.97
IV.GAVE.EHE. ML:1.6 0.00013175 0.3 AML other m 2021-04-11T23:27:55.52
IV.GAVE.EHN. ML:1.4 0.000076999665 0.2816 AML other m 2021-04-11T23:27:57.94
IV.SSFR.HHN. ML:0.0 0.000057406665 0.2816 AML other m 2021-04-11T23:28:00.10
IV.SSFR.HHE. ML:0.0 0.000076827245 0.1792 AML other m 2021-04-11T23:27:59.08
IV.PIEI.HHN. ML:0.0 0.00003373891 3.008 AML other m 2021-04-11T23:28:03.46
IV.PIEI.HHE. ML:0.0 0.000031611244999999996 2.4576 AML other m 2021-04-11T23:28:03.80
IV.CESI.HNE. ML:1.3 0.00016405865 0.4224 AML other m 2021-04-11T23:27:48.26
IV.NRCA.HNN. ML:1.5 0.00017431735000000002 0.3584 AML other m 2021-04-11T23:27:52.43
IV.NRCA.HNE. ML:1.4 0.00015473281999999998 0.1152 AML other m 2021-04-11T23:27:50.20
IV.SNTG.HHN. ML:1.0 0.000058996094999999995 0.2432 AML other m 2021-04-11T23:27:52.57
IV.SNTG.HNN. ML:1.6 0.00022045704999999998 0.8576 AML other m 2021-04-11T23:27:52.98
IV.SNTG.HHE. ML:0.7 0.00002965514 0.128 AML other m 2021-04-11T23:27:51.33
IV.SNTG.HNE. ML:1.4 0.0001444688 0.4992 AML other m 2021-04-11T23:27:57.22
IV.FOSV.EHE. ML:1.0 0.000033309625 0.1792 AML other m 2021-04-11T23:27:54.52
IV.FOSV.EHN. ML:1.4 0.00009435796499999998 0.3072 AML other m 2021-04-11T23:27:54.24
IV.GAVE.HNN. ML:1.9 0.0002235996 3.2512 AML other m 2021-04-11T23:27:59.53
IV.GAVE.HNE. ML:1.6 0.00013261095000000002 0.2944 AML other m 2021-04-11T23:27:55.37
IV.SMA1.EHN. ML:1.1 0.000033911955 0.8832 AML other m 2021-04-11T23:27:55.50
IV.SMA1.EHE. ML:1.3 0.000051885115000000003 0.896 AML other m 2021-04-11T23:28:00.21
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