Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 14-10-2021 and time 04:43:14 (Italy) in region 3 km W Gualdo (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km W Gualdo (MC), on

  • 14-10-2021 02:43:14 (UTC)
  • 14-10-2021 04:43:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0740, 13.3040 at 23 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.

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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
Gualdo MC 3 815 815
San Ginesio MC 4 3498 4313
Sarnano MC 4 3264 7577
Cessapalombo MC 5 512 8089
Camporotondo di Fiastrone MC 7 563 8652
Sant'Angelo in Pontano MC 8 1436 10088
Ripe San Ginesio MC 9 852 10940
Caldarola MC 10 1823 12763
Penna San Giovanni MC 10 1108 13871
Bolognola MC 11 142 14013
Colmurano MC 11 1263 15276
Amandola FM 11 3629 18905
Belforte del Chienti MC 12 1886 20791
Acquacanina MC 12 121 20912
Monte San Martino MC 12 765 21677
Fiastra MC 13 559 22236
Loro Piceno MC 14 2401 24637
Smerillo FM 14 365 25002
Falerone FM 14 3337 28339
Montefortino FM 15 1178 29517
Serrapetrona MC 15 966 30483
Urbisaglia MC 15 2628 33111
Montappone FM 15 1682 34793
Tolentino MC 15 20069 54862
Servigliano FM 15 2336 57198
Comunanza AP 16 3166 60364
Monte Vidon Corrado FM 16 731 61095
Montefalcone Appennino FM 16 424 61519
Massa Fermana FM 16 963 62482
Santa Vittoria in Matenano FM 17 1330 63812
Pievebovigliana MC 18 866 64678
Fiordimonte MC 18 202 64880
Monteleone di Fermo FM 19 395 65275
Mogliano MC 19 4696 69971
Belmonte Piceno FM 19 646 70617
Montemonaco AP 19 604 71221
Ussita MC 20 444 71665
Force AP 20 1354 73019
Montelparo FM 20 778 73797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km E of Foligno (57155 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
63 Km S of Ancona (100861 inhabitants)
74 Km E of Perugia (166134 inhabitants)
78 Km NE of Terni (111501 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
89 Km S of Fano (60888 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
98 Km SE 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 2.0 2021-10-14
02:43:14		 43.074 13.3043 23 2022-03-30
13:04:11		 Bollettino Sismico Italiano INGV 96714931
Reviewed
Rev100 		ML 1.9 2021-10-14
02:43:14		 43.0767 13.3045 22 2021-10-14
02:50:58		 Sala Sismica INGV-Roma 96525581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-14 02:43:14 ± 0.05
Latitude 43.0740 ± 0.0027
Longitude 13.3043 ± 0.0049
Depth (km) 23 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96714931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 314
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 27
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 55
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) 1.38855
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 96714931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-18 07:40:47

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 96525581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-14 02:50:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2021-10-14T02:44:19.96 3.0 undecidable manual Sn 2.68 0
IV.POFI.HHZ. 2021-10-14T02:43:56.70 3.0 undecidable manual S 154.1346 -0.89 0
IV.ATMI.HHZ. 2021-10-14T02:43:42.07 3.0 undecidable manual S 0.01 0
IV.POFI.HHZ. 2021-10-14T02:43:41.25 3.0 negative manual P 154.1346 1.79 0
IV.PIEI.HHZ. 2021-10-14T02:43:40.30 3.0 undecidable manual S 310 80.4639 100 1.4 0
IV.MPAG.EHZ. 2021-10-14T02:43:39.50 3.0 undecidable manual S 325 75.6687 100 1.87 0
IV.MURB.HHZ. 2021-10-14T02:43:37.40 3.0 undecidable manual S 289 66.4779 102 2.18 0
IV.ARVD.HHZ. 2021-10-14T02:43:32.90 1.0 undecidable manual S 328 55.4001 105 0.55 20
IV.MPAG.EHZ. 2021-10-14T02:43:28.28 1.0 undecidable manual P 325 75.6687 100 0.34 21
IV.PIEI.HHZ. 2021-10-14T02:43:28.60 0.6 undecidable manual P 310 80.4639 100 -0.07 43
IV.ARRO.EHZ. 2021-10-14T02:43:27.10 1.0 undecidable manual P 219 70.2741 101 -0.01 22
IV.EL6.EHZ. 2021-10-14T02:43:27.00 0.3 undecidable manual S 330 32.745 117 0.33 67
IV.COR1.HNN. 2021-10-14T02:43:27.41 1.0 undecidable manual P 338 66.5778 102 0.85 17
IV.ATSC.EHE. 2021-10-14T02:43:26.05 0.1 undecidable manual P 308 63.2922 103 -0.01 91
IV.FRON.EHZ. 2021-10-14T02:43:26.86 0.3 undecidable manual P 317 67.8765 102 0.1 66
IV.MURB.HHZ. 2021-10-14T02:43:26.75 0.6 undecidable manual P 289 66.4779 102 0.2 43
IV.ATFO.HHZ. 2021-10-14T02:43:26.24 1.0 undecidable manual P 299 67.5768 102 -0.47 20
IV.RM33.EHZ. 2021-10-14T02:43:25.79 0.6 undecidable manual P 187 63.0924 103 -0.25 43
IV.ATCC.EHZ. 2021-10-14T02:43:25.00 0.1 positive manual P 283 55.2003 105 0.15 89
IV.LNSS.HHZ. 2021-10-14T02:43:25.00 0.3 undecidable manual P 202 56.499 105 -0.05 68
IV.CAMP.HHE. 2021-10-14T02:43:25.44 0.6 undecidable manual P 172 60.2952 103 -0.18 44
IV.MNTT.EHZ. 2021-10-14T02:43:25.40 0.6 undecidable manual S 93 23.6541 127 0.79 39
IV.ASSB.HHZ. 2021-10-14T02:43:24.50 0.1 undecidable manual P 266 52.4031 106 0.05 92
IV.MC2.EHZ. 2021-10-14T02:43:24.30 0.3 undecidable manual S 207 20.3685 132 0.37 69
IV.ARVD.HHZ. 2021-10-14T02:43:24.81 0.3 undecidable manual P 328 55.4001 105 -0.08 68
IV.FOSV.EHZ. 2021-10-14T02:43:24.15 0.6 undecidable manual P 299 50.3163 107 0.02 46
IV.AOI.HHZ. 2021-10-14T02:43:24.98 0.6 undecidable manual P 24 57.9975 104 -0.3 44
IV.GAVE.EHN. 2021-10-14T02:43:24.91 0.1 undecidable manual P 218 53.9016 105 0.25 88
IV.TERO.HHZ. 2021-10-14T02:43:24.66 0.3 undecidable manual P 154 55.6998 105 -0.27 65
IV.SMA1.EHZ. 2021-10-14T02:43:23.71 0.1 positive manual P 177 49.2174 107 -0.27 87
IV.FDMO.HHZ. 2021-10-14T02:43:23.60 0.3 undecidable manual S 257 18.0708 136 0.1 73
IV.T1299.HNN. 2021-10-14T02:43:23.78 0.3 undecidable manual P 182 48.8178 107 -0.13 68
IV.MNTP.HNZ. 2021-10-14T02:43:23.00 0.3 undecidable manual S 62 15.0738 142 0.03 73
IV.PP3.HNZ. 2021-10-14T02:43:23.04 0.3 undecidable manual P 36 41.7249 111 0.16 68
IV.MDAR.HNZ. 2021-10-14T02:43:23.50 0.1 undecidable manual S 315 18.5703 135 -0.09 97
IV.MMO1.EHZ. 2021-10-14T02:43:23.70 0.3 undecidable manual S 175 19.4694 134 -0.06 72
IV.MF5.EHZ. 2021-10-14T02:43:23.30 0.3 undecidable manual S 127 15.7731 140 0.21 71
IV.CADA.HNE. 2021-10-14T02:43:22.16 1.0 undecidable manual P 70 39.3273 112 -0.37 22
IV.PF6.EHN. 2021-10-14T02:43:22.10 0.3 undecidable manual S 309 11.3775 150 -0.31 70
IV.OFFI.HHZ. 2021-10-14T02:43:22.30 0.1 undecidable manual P 116 34.5432 116 0.44 87
IV.CSP1.EHZ. 2021-10-14T02:43:22.10 0.1 undecidable manual S 284 8.2806 157 0.06 99
IV.MTRA.EHZ. 2021-10-14T02:43:21.67 0.6 undecidable manual P 168 36.0417 114 -0.39 44
IV.EL6.EHZ. 2021-10-14T02:43:21.47 0.1 undecidable manual P 330 32.745 117 -0.14 94
IV.SAP2.EHZ. 2021-10-14T02:43:21.80 0.1 undecidable manual S 72 8.0808 158 -0.22 96
IV.CESI.HHZ. 2021-10-14T02:43:21.90 0.3 undecidable manual P 257 33.3444 117 0.21 69
IV.NRCA.HHZ. 2021-10-14T02:43:21.37 0.1 positive manual P 210 30.8469 119 0.02 96
IV.GUMA.HHZ. 2021-10-14T02:43:21.70 0.1 undecidable manual S 117 2.7972 172 0.05 100
IV.SNTG.HHZ. 2021-10-14T02:43:21.94 0.1 undecidable manual P 304 35.6421 115 -0.07 94
IV.FEMA.HNZ. 2021-10-14T02:43:20.79 0.3 undecidable manual P 239 24.0537 127 0.31 69
IV.MC2.EHZ. 2021-10-14T02:43:20.18 0.1 positive manual P 207 20.3685 132 0.15 96
IV.TRE1.HNE. 2021-10-14T02:43:20.61 0.1 undecidable manual P 2 26.3514 124 -0.15 95
IT.MTCL.HGZ. 2021-10-14T02:43:20.86 0.3 undecidable manual P 250 26.2515 124 0.11 71
IV.MNTT.EHZ. 2021-10-14T02:43:20.52 0.1 negative manual P 93 23.6541 127 0.1 95
IV.MNTP.HNZ. 2021-10-14T02:43:19.29 0.1 positive manual P 62 15.0738 142 -0.19 96
IV.MDAR.HNZ. 2021-10-14T02:43:19.67 0.1 undecidable manual P 315 18.5703 135 -0.16 96
IV.FDMO.HHZ. 2021-10-14T02:43:19.77 0.1 negative manual P 257 18.0708 136 -0.01 98
IV.MF5.EHZ. 2021-10-14T02:43:19.54 0.1 negative manual P 127 15.7731 140 0 99
IV.MMO1.EHZ. 2021-10-14T02:43:19.77 0.1 positive manual P 175 19.4694 134 -0.16 95
IV.SAP2.EHZ. 2021-10-14T02:43:18.79 0.1 undecidable manual P 72 8.0808 158 -0.14 98
IV.PF6.EHN. 2021-10-14T02:43:18.91 0.1 undecidable manual P 309 11.3775 150 -0.24 95
IV.GUMA.HHZ. 2021-10-14T02:43:18.63 0.1 positive manual P 117 2.7972 172 -0.08 99
IV.CSP1.EHZ. 2021-10-14T02:43:18.86 0.1 undecidable manual P 284 8.2806 157 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HNN. ML:1.9 0.0006215 1.38 AML other m 2021-10-14T02:43:22.07
IV.GUMA.HHN. ML:2.1 0.000867 1.54 AML other m 2021-10-14T02:43:22.09
IV.GUMA.HNE. ML:2.1 0.0009935 1.42 AML other m 2021-10-14T02:43:22.85
IV.GUMA.HHE. ML:2.1 0.000882 1.5 AML other m 2021-10-14T02:43:22.15
IV.SAP2.EHN. ML:2.6 0.0030549999999999996 0.56 AML other m 2021-10-14T02:43:22.19
IV.CSP1.EHN. ML:2.4 0.001815 0.16 AML other m 2021-10-14T02:43:22.21
IV.CSP1.EHE. ML:2.5 0.002025 0.58 AML other m 2021-10-14T02:43:22.82
IV.SAP2.EHE. ML:2.1 0.000812 0.2 AML other m 2021-10-14T02:43:22.63
IV.MNTP.HNN. ML:2.4 0.0016749999999999998 0.3 AML other m 2021-10-14T02:43:23.31
IV.MNTP.HNE. ML:2.5 0.0017599999999999998 0.12 AML other m 2021-10-14T02:43:23.31
IV.FDMO.HHE. ML:1.9 0.00046599999999999994 0.2 AML other m 2021-10-14T02:43:23.85
IV.MDAR.HNE. ML:2.0 0.000551 0.4 AML other m 2021-10-14T02:43:23.92
IV.MDAR.HNN. ML:1.9 0.00039150000000000003 0.74 AML other m 2021-10-14T02:43:23.61
IV.FDMO.HHN. ML:1.9 0.0004195 1.12 AML other m 2021-10-14T02:43:24.95
IV.MNTT.EHE. ML:2.8 0.002685 0.42 AML other m 2021-10-14T02:43:25.58
IV.MNTT.EHN. ML:2.7 0.002385 0.4 AML other m 2021-10-14T02:43:25.80
IV.NRCA.HHN. ML:2.3 0.000794 0.14 AML other m 2021-10-14T02:43:26.81
IV.NRCA.HNN. ML:2.3 0.0007624999999999999 0.68 AML other m 2021-10-14T02:43:26.41
IV.NRCA.HHE. ML:2.3 0.000704 1.8 AML other m 2021-10-14T02:43:26.97
IV.EL6.EHE. ML:2.2 0.0005805000000000001 0.22 AML other m 2021-10-14T02:43:27.43
IV.NRCA.HNE. ML:2.3 0.0007125 0.62 AML other m 2021-10-14T02:43:27.90
IV.SNTG.HHE. ML:1.8 0.000191 1.86 AML other m 2021-10-14T02:43:28.04
IV.MTRA.EHE. ML:1.8 0.0002295 1.14 AML other m 2021-10-14T02:43:28.62
IV.SNTG.HHN. ML:2.0 0.0003055 0.14 AML other m 2021-10-14T02:43:28.05
IV.CESI.HHN. ML:2.2 0.000527 0.24 AML other m 2021-10-14T02:43:28.08
IV.MTRA.EHN. ML:1.7 0.000178 0.64 AML other m 2021-10-14T02:43:28.37
IV.CESI.HHE. ML:1.9 0.000279 0.3 AML other m 2021-10-14T02:43:28.31
IV.EL6.EHN. ML:2.1 0.0004955000000000001 1.64 AML other m 2021-10-14T02:43:29.17
IV.SMA1.EHE. ML:1.7 0.00012065 0.68 AML other m 2021-10-14T02:43:30.32
IV.SMA1.EHN. ML:1.8 0.0001487 0.5 AML other m 2021-10-14T02:43:32.44
IV.FOSV.EHN. ML:1.7 0.0001295 0.78 AML other m 2021-10-14T02:43:32.62
IV.FOSV.EHE. ML:1.7 0.000126 0.26 AML other m 2021-10-14T02:43:32.40
IV.ASSB.HHE. ML:2.1 0.000253 1.2 AML other m 2021-10-14T02:43:33.00
IV.ASSB.HHN. ML:2.0 0.0002475 0.22 AML other m 2021-10-14T02:43:33.68
IV.TERO.HHN. ML:1.7 0.00010365 0.62 AML other m 2021-10-14T02:43:33.64
IV.ARVD.HHN. ML:1.7 0.0000993 0.44 AML other m 2021-10-14T02:43:34.73
IV.TERO.HHE. ML:1.8 0.000146 0.52 AML other m 2021-10-14T02:43:34.66
IV.ARVD.HHE. ML:1.8 0.0001245 1.34 AML other m 2021-10-14T02:43:35.82
IV.FRON.EHE. ML:1.7 0.0000786 0.94 AML other m 2021-10-14T02:43:36.49
IV.FRON.EHN. ML:1.8 0.00010194999999999998 0.42 AML other m 2021-10-14T02:43:38.04
IV.MURB.HHE. ML:2.2 0.00030199999999999997 1.76 AML other m 2021-10-14T02:43:38.98
IV.MURB.HHN. ML:2.2 0.00027949999999999996 1.14 AML other m 2021-10-14T02:43:38.05
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