Earthquake with magnitude of ML 0.9 on date 11-09-2021 and time 07:31:06 (Italy) in region 3 km NE Fiastra (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km NE Fiastra (MC), on

  • 11-09-2021 05:31:06 (UTC)
  • 11-09-2021 07:31:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0560, 13.1730 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
Fiastra MC 3 559 559
Acquacanina MC 3 121 680
Fiordimonte MC 7 202 882
Pievebovigliana MC 7 866 1748
Bolognola MC 8 142 1890
Cessapalombo MC 9 512 2402
Pieve Torina MC 10 1458 3860
Caldarola MC 10 1823 5683
Sarnano MC 11 3264 8947
Muccia MC 11 915 9862
Camporotondo di Fiastrone MC 11 563 10425
Camerino MC 12 6974 17399
Ussita MC 13 444 17843
San Ginesio MC 13 3498 21341
Belforte del Chienti MC 13 1886 23227
Gualdo MC 14 815 24042
Serrapetrona MC 14 966 25008
Visso MC 15 1107 26115
Monte Cavallo MC 16 145 26260
Amandola FM 17 3629 29889
Castelsantangelo sul Nera MC 18 281 30170
Serravalle di Chienti MC 18 1070 31240
Ripe San Ginesio MC 19 852 32092
Montefortino FM 19 1178 33270
Sant'Angelo in Pontano MC 19 1436 34706
Colmurano MC 19 1263 35969
San Severino Marche MC 19 12726 48695
Tolentino MC 19 20069 68764
Castelraimondo MC 20 4587 73351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
64 Km E of Perugia (166134 inhabitants)
68 Km SW of Ancona (100861 inhabitants)
70 Km NE of Terni (111501 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
97 Km S of Pesaro (94582 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 0.9 2021-09-11
05:31:06
43.0562 13.1732 8 2021-09-11
05:39:00
Sala Sismica INGV-Roma 95290761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-11 05:31:06 ± 0.15
Latitude 43.0562 ± 0.0036
Longitude 13.1732 ± 0.0037
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 95290761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 95290761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-11 05:39:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2021-09-11T05:31:48.04 3.0 undecidable manual S 3.35 0
IV.PE3.EHZ. 2021-09-11T05:31:32.99 3.0 undecidable manual S -0.72 0
IV.EL6.EHZ. 2021-09-11T05:31:16.94 0.3 undecidable manual S 349 30.8469 104 -0.35 67
IV.MF5.EHZ. 2021-09-11T05:31:15.68 0.1 undecidable manual S 108 24.4533 107 0.53 87
IV.CESI.HNE. 2021-09-11T05:31:14.69 0.3 undecidable manual S 255 22.4553 109 0.18 71
IV.NRCA.HHZ. 2021-09-11T05:31:14.95 0.1 undecidable manual S 191 25.1526 107 -0.44 89
IV.MML1.EHZ. 2021-09-11T05:31:13.02 0.3 undecidable manual S 291 17.4714 114 0.12 72
IV.MMO1.EHZ. 2021-09-11T05:31:13.65 0.3 undecidable manual S 144 21.3675 110 -0.5 66
IV.EL6.EHZ. 2021-09-11T05:31:12.30 1.0 positive manual P 349 30.8469 104 -0.33 23
IT.MTCL.HGN. 2021-09-11T05:31:12.66 0.3 undecidable manual S 244 15.6732 116 0.34 69
IV.SNTG.HHZ. 2021-09-11T05:31:12.67 1.0 undecidable manual P 320 28.9488 105 0.4 22
IV.MC2.EHZ. 2021-09-11T05:31:12.36 0.3 undecidable manual S 175 16.0728 115 -0.09 73
IV.FEMA.HNN. 2021-09-11T05:31:12.42 0.3 undecidable manual S 224 14.4744 118 0.48 67
IV.GUMA.HNE. 2021-09-11T05:31:11.97 0.1 undecidable manual S 87 13.1757 120 0.42 91
IV.MF5.EHZ. 2021-09-11T05:31:11.59 0.6 negative manual P 108 24.4533 107 0.19 47
IV.CESI.HNE. 2021-09-11T05:31:11.08 0.3 undecidable manual P 255 22.4553 109 0.06 73
IV.ARRO.EHZ. 2021-09-11T05:31:11.24 3.0 undecidable manual S 0
IV.NRCA.HHZ. 2021-09-11T05:31:11.13 0.3 undecidable manual P 191 25.1526 107 -0.4 67
IT.MTCL.HGN. 2021-09-11T05:31:10.15 0.6 undecidable manual P 244 15.6732 116 0.39 46
IV.PF6.EHE. 2021-09-11T05:31:10.19 0.3 undecidable manual S 11 9.1797 130 -0.24 72
IV.MML1.EHZ. 2021-09-11T05:31:10.14 0.6 positive manual P 291 17.4714 114 0.05 49
IV.MMO1.EHZ. 2021-09-11T05:31:10.46 0.6 negative manual P 144 21.3675 110 -0.36 46
IV.CSP1.EHZ. 2021-09-11T05:31:09.15 0.1 undecidable manual S 33 4.6953 148 -0.24 96
IV.MC2.EHZ. 2021-09-11T05:31:09.73 0.6 undecidable manual P 175 16.0728 115 -0.1 49
IV.FEMA.HNN. 2021-09-11T05:31:09.38 0.3 undecidable manual P 224 14.4744 118 -0.16 72
IV.FDMO.HHZ. 2021-09-11T05:31:09.90 0.1 undecidable manual S 253 7.2927 136 -0.03 100
IV.GUMA.HNE. 2021-09-11T05:31:09.48 0.1 undecidable manual P 87 13.1757 120 0.17 96
IV.ARRO.EHZ. 2021-09-11T05:31:09.45 3.0 positive manual P -0.11 0
IV.FDMO.HHZ. 2021-09-11T05:31:08.43 0.1 positive manual P 253 7.2927 136 0.05 100
IV.PF6.EHE. 2021-09-11T05:31:08.56 0.3 undecidable manual P 11 9.1797 130 -0.1 74
IV.CSP1.EHZ. 2021-09-11T05:31:07.93 1.0 undecidable manual P 33 4.6953 148 -0.14 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.1 0.0002185 1.6 AML other m 2021-09-11T05:31:09.95
IV.FDMO.HHE. ML:1.1 0.00022849999999999997 0.2 AML other m 2021-09-11T05:31:10.17
IV.MML1.EHE. ML:0.7 0.00004435 0.22 AML other m 2021-09-11T05:31:13.47
IV.MML1.EHN. ML:0.8 0.00004965 0.42 AML other m 2021-09-11T05:31:13.56
IV.NRCA.HHN. ML:1.5 0.00021150000000000002 0.14 AML other m 2021-09-11T05:31:16.49
IV.SNTG.HHE. ML:0.6 0.0000188 1.16 AML other m 2021-09-11T05:31:16.69
IV.NRCA.HHE. ML:1.3 0.00011325 0.48 AML other m 2021-09-11T05:31:17.52
IV.SNTG.HHN. ML:0.5 0.000015295 0.86 AML other m 2021-09-11T05:31:19.47
IV.ARRO.EHE. ML:0.9 0.000016503919999999998 0.08 AML other m 2021-09-11T05:31:11.29
IV.NRCA.HNE. ML:1.3 0.00011056616499999999 0.112 AML other m 2021-09-11T05:31:17.08
IV.MF5.EHN. ML:0.8 0.00003839081 0.3584 AML other m 2021-09-11T05:31:15.73
IV.EL6.EHE. ML:0.9 0.000040468022 0.16 AML other m 2021-09-11T05:31:17.73
IV.EL6.EHN. ML:1.0 0.00004305722500000001 0.16 AML other m 2021-09-11T05:31:18.06
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