Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 12-04-2022 and time 21:22:09 (UTC) in region 5 km SW Fiastra (MC)

A magnitude ML 1.0 earthquake occured in region: 5 km SW Fiastra (MC), on

  • 12-04-2022 21:22:09 (UTC)
  • 12-04-2022 23:22:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0000, 13.1240 at 6 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
Fiordimonte MC 5 202 761
Acquacanina MC 5 121 882
Ussita MC 6 444 1326
Pievebovigliana MC 8 866 2192
Pieve Torina MC 8 1458 3650
Visso MC 8 1107 4757
Bolognola MC 8 142 4899
Monte Cavallo MC 10 145 5044
Muccia MC 11 915 5959
Castelsantangelo sul Nera MC 12 281 6240
Preci PG 15 724 6964
Sarnano MC 15 3264 10228
Camerino MC 16 6974 17202
Serravalle di Chienti MC 16 1070 18272
Cessapalombo MC 17 512 18784
Caldarola MC 18 1823 20607
Camporotondo di Fiastrone MC 19 563 21170
Montefortino FM 19 1178 22348
Gualdo MC 19 815 23163
Amandola FM 19 3629 26792
San Ginesio MC 20 3498 30290
Montemonaco AP 20 604 30894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 inhabitants)
100 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 1.0 2022-04-12
21:22:09		 42.9998 13.1243 6 2022-04-12
21:28:28		 Sala Sismica INGV-Roma 103138191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-12 21:22:09 ± 0.16
Latitude 42.9998 ± 0.0036
Longitude 13.1243 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103138191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 117
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 103138191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-12 21:28:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-04-12T21:22:28.77 3.0 undecidable manual S 0.84 0
IV.CING.HHZ. 2022-04-12T21:22:23.82 3.0 undecidable manual S -0.12 0
IV.GUMA.HHZ. 2022-04-12T21:22:17.33 0.3 undecidable manual S 68 18.4704 108 0.76 61
IV.MMO1.EHZ. 2022-04-12T21:22:17.04 0.1 undecidable manual S 124 19.869 106 0 100
7F.SIB3.EHZ. 2022-04-12T21:22:16.22 0.3 undecidable manual S 139 18.1707 108 -0.27 71
7F.SIB1.EHZ. 2022-04-12T21:22:16.07 0.3 undecidable manual S 135 16.6722 109 0.11 74
IV.ASSB.HHZ. 2022-04-12T21:22:16.95 3.0 undecidable manual P 0.09 0
IV.EL6.EHZ. 2022-04-12T21:22:16.66 3.0 negative manual P 0.02 0
IV.MML1.EHZ. 2022-04-12T21:22:16.42 0.1 undecidable manual S 316 17.6712 108 0.12 98
IV.CESI.HHZ. 2022-04-12T21:22:16.83 0.3 undecidable manual S 272 17.871 108 0.47 68
IV.CSP1.EHZ. 2022-04-12T21:22:14.59 0.3 undecidable manual S 33 12.0768 116 0.08 75
IV.GUMA.HHZ. 2022-04-12T21:22:14.02 0.1 undecidable manual P 68 18.4704 108 0.3 94
IV.MC2.EHZ. 2022-04-12T21:22:14.72 0.3 undecidable manual S 152 11.1777 118 0.51 68
IV.MML1.EHZ. 2022-04-12T21:22:13.51 0.1 undecidable manual P 316 17.6712 108 -0.06 99
IV.MMO1.EHZ. 2022-04-12T21:22:13.77 0.1 undecidable manual P 124 19.869 106 -0.22 96
IV.FEMA.HNZ. 2022-04-12T21:22:13.44 0.3 undecidable manual S 235 7.3815 129 0.32 72
IV.CESI.HHZ. 2022-04-12T21:22:13.63 0.1 positive manual P 272 17.871 108 0.03 100
7F.SIB3.EHZ. 2022-04-12T21:22:13.36 0.1 undecidable manual P 139 18.1707 108 -0.32 94
7F.SIB1.EHZ. 2022-04-12T21:22:13.24 0.1 undecidable manual P 135 16.6722 109 -0.13 98
IV.NRCA.HHZ. 2022-04-12T21:22:13.58 0.1 undecidable manual P 183 18.4704 108 -0.15 97
7F.SIB2.EHZ. 2022-04-12T21:22:13.56 0.1 undecidable manual P 130 18.9699 107 -0.25 95
IV.CSP1.EHZ. 2022-04-12T21:22:12.47 0.1 undecidable manual P 33 12.0768 116 -0.07 100
IV.FDMO.HHZ. 2022-04-12T21:22:12.04 0.1 undecidable manual S 324 5.0949 139 -0.49 92
IV.MC2.EHZ. 2022-04-12T21:22:12.48 0.1 undecidable manual P 152 11.1777 118 0.11 99
IV.FDMO.HHZ. 2022-04-12T21:22:11.05 0.1 undecidable manual P 324 5.0949 139 -0.35 95
IV.FEMA.HNZ. 2022-04-12T21:22:11.85 0.1 undecidable manual P 235 7.3815 129 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.3 0.000268 0.36 AML other m 2022-04-12T21:22:15.10
IV.CSP1.EHE. ML:1.2 0.000199 0.52 AML other m 2022-04-12T21:22:15.63
IV.MML1.EHN. ML:0.8 0.00006570000000000001 0.2 AML other m 2022-04-12T21:22:16.54
IV.CESI.HHE. ML:0.8 0.0000553 0.22 AML other m 2022-04-12T21:22:17.00
IV.MMO1.EHE. ML:0.8 0.0000552 1.42 AML other m 2022-04-12T21:22:17.86
IV.CESI.HHN. ML:0.9 0.000078 0.42 AML other m 2022-04-12T21:22:17.28
IV.GUMA.HHE. ML:1.1 0.00011030000000000001 0.5 AML other m 2022-04-12T21:22:17.76
IV.MML1.EHE. ML:0.7 0.0000429 0.24 AML other m 2022-04-12T21:22:17.84
IV.MMO1.EHN. ML:0.8 0.000042550000000000004 1.46 AML other m 2022-04-12T21:22:18.22
IV.NRCA.HHE. ML:0.9 0.00007135 0.54 AML other m 2022-04-12T21:22:18.50
IV.NRCA.HHN. ML:0.9 0.0000717 1.1 AML other m 2022-04-12T21:22:18.23
IV.GUMA.HHN. ML:1.2 0.0001275 0.64 AML other m 2022-04-12T21:22:18.50
IV.ASSB.HHN. ML:0.8 0.00002305 1.62 AML other m 2022-04-12T21:22:24.10
IV.ASSB.HHE. ML:0.8 0.000026349999999999997 0.42 AML other m 2022-04-12T21:22:24.53
IV.SSFR.HHN. ML:1.0 0.00002425 0.26 AML other m 2022-04-12T21:22:29.24
IV.SSFR.HHE. ML:1.1 0.0000298 0.22 AML other m 2022-04-12T21:22:29.38
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