Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 11-04-2022 and time 21:29:30 (Italy) in region 5 km SW Fiastra (MC)

A magnitude ML 0.9 earthquake occured in region: 5 km SW Fiastra (MC), on

  • 11-04-2022 19:29:30 (UTC)
  • 11-04-2022 21:29:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9970, 13.1380 at 5 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
Fiastra MC 5 559 559
Acquacanina MC 5 121 680
Ussita MC 6 444 1124
Fiordimonte MC 6 202 1326
Bolognola MC 7 142 1468
Visso MC 8 1107 2575
Pievebovigliana MC 9 866 3441
Pieve Torina MC 9 1458 4899
Monte Cavallo MC 11 145 5044
Castelsantangelo sul Nera MC 11 281 5325
Muccia MC 12 915 6240
Sarnano MC 14 3264 9504
Preci PG 15 724 10228
Cessapalombo MC 16 512 10740
Camerino MC 17 6974 17714
Serravalle di Chienti MC 17 1070 18784
Caldarola MC 17 1823 20607
Montefortino FM 18 1178 21785
Amandola FM 18 3629 25414
Gualdo MC 18 815 26229
Camporotondo di Fiastrone MC 18 563 26792
Montemonaco AP 19 604 27396
San Ginesio MC 19 3498 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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 2022-04-11
19:29:30		 42.9967 13.1382 5 2022-04-11
19:36:01		 Sala Sismica INGV-Roma 103093201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-11 19:29:30 ± 0.16
Latitude 42.9967 ± 0.0036
Longitude 13.1382 ± 0.0049
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103093201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.23562
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 103093201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-11 19:36:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2022-04-11T19:29:40.48 0.1 undecidable manual S 92 26.1516 101 0.96 73
IV.CESI.HHZ. 2022-04-11T19:29:37.28 0.1 undecidable manual S 273 18.9699 106 0.17 96
IV.MML1.EHE. 2022-04-11T19:29:37.20 0.1 undecidable manual S 314 18.6702 106 0.19 95
IV.NRCA.HHZ. 2022-04-11T19:29:37.84 0.3 undecidable manual S 186 18.1707 106 0.99 54
7F.SIB2.EHZ. 2022-04-11T19:29:36.58 0.3 undecidable manual S 131 17.871 107 -0.15 72
IV.MMO1.EHN. 2022-04-11T19:29:36.88 0.1 undecidable manual S 125 18.7701 106 -0.15 96
7F.SIB3.EHZ. 2022-04-11T19:29:36.08 0.1 undecidable manual S 142 17.2716 107 -0.45 90
IV.PF6.EHE. 2022-04-11T19:29:36.28 0.1 undecidable manual S 16 16.2726 108 0.06 98
7F.SIB1.EHN. 2022-04-11T19:29:35.98 0.1 undecidable manual S 137 15.5733 109 -0.01 99
IV.MF5.EHZ. 2022-04-11T19:29:35.88 0.1 undecidable manual P 92 26.1516 101 0.27 92
IV.MC2.EHZ. 2022-04-11T19:29:34.52 0.1 undecidable manual S 156 10.2786 117 0.22 96
IV.CESI.HHZ. 2022-04-11T19:29:34.17 0.1 undecidable manual P 273 18.9699 106 -0.05 98
IT.MTCL.HGZ. 2022-04-11T19:29:34.69 0.1 undecidable manual S 268 11.2776 115 0.1 98
IV.GUMA.HHZ. 2022-04-11T19:29:34.24 0.6 negative manual P 65 17.5713 107 0.29 47
IV.MMO1.EHN. 2022-04-11T19:29:34.24 0.1 undecidable manual P 125 18.7701 106 0.07 98
IV.PF6.EHE. 2022-04-11T19:29:33.59 0.1 undecidable manual P 16 16.2726 108 -0.11 97
IV.MML1.EHE. 2022-04-11T19:29:33.97 0.1 undecidable manual P 314 18.6702 106 -0.2 95
IV.NRCA.HHZ. 2022-04-11T19:29:33.69 0.1 undecidable manual P 186 18.1707 106 -0.38 91
7F.SIB2.EHZ. 2022-04-11T19:29:33.73 0.1 undecidable manual P 131 17.871 107 -0.28 94
IV.FEMA.HNZ. 2022-04-11T19:29:33.83 0.1 undecidable manual S 242 8.1807 123 0.19 97
7F.SIB1.EHN. 2022-04-11T19:29:33.38 0.1 undecidable manual P 137 15.5733 109 -0.19 96
7F.SIB3.EHZ. 2022-04-11T19:29:33.51 0.1 undecidable manual P 142 17.2716 107 -0.38 92
IV.FDMO.HHE. 2022-04-11T19:29:32.72 0.1 undecidable manual S 317 5.994 131 -0.34 94
IV.MC2.EHZ. 2022-04-11T19:29:32.53 0.1 undecidable manual P 156 10.2786 117 -0.07 99
IT.MTCL.HGZ. 2022-04-11T19:29:32.78 0.1 undecidable manual P 268 11.2776 115 0.01 100
IV.FEMA.HNZ. 2022-04-11T19:29:32.30 0.1 undecidable manual P 242 8.1807 123 0.08 99
IV.FDMO.HHE. 2022-04-11T19:29:31.69 0.1 undecidable manual P 317 5.994 131 -0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00007980000000000002 0.42 AML other m 2022-04-11T19:29:39.26
IV.NRCA.HHE. ML:0.9 0.00006725000000000001 0.08 AML other m 2022-04-11T19:29:39.30
IV.MC2.EHE. ML:0.8 0.00010380113500000001 0.1408 AML other m 2022-04-11T19:29:35.91
IV.MC2.EHN. ML:1.0 0.00015178133500000002 0.1152 AML other m 2022-04-11T19:29:34.75
IV.NRCA.HNE. ML:1.1 0.00010506144 0.3968 AML other m 2022-04-11T19:29:39.35
IV.CESI.HHE. ML:0.6 0.000035943660000000003 0.1792 AML other m 2022-04-11T19:29:37.57
IV.CESI.HHN. ML:0.8 0.000056160169999999996 0.2304 AML other m 2022-04-11T19:29:37.49
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