Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-09-2021 and time 15:58:11 (Italy) in region 2 km E Penna San Giovanni (MC)

A magnitude ML 2.0 earthquake occured in region: 2 km E Penna San Giovanni (MC), on

  • 21-09-2021 13:58:11 (UTC)
  • 21-09-2021 15:58:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0670, 13.4470 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
Penna San Giovanni MC 2 1108 1108
Monte San Martino MC 4 765 1873
Servigliano FM 4 2336 4209
Falerone FM 5 3337 7546
Sant'Angelo in Pontano MC 6 1436 8982
Santa Vittoria in Matenano FM 7 1330 10312
Smerillo FM 7 365 10677
Monte Vidon Corrado FM 7 731 11408
Monteleone di Fermo FM 7 395 11803
Montappone FM 8 1682 13485
Belmonte Piceno FM 8 646 14131
Montefalcone Appennino FM 9 424 14555
Gualdo MC 9 815 15370
Monsampietro Morico FM 9 659 16029
Montelparo FM 9 778 16807
Massa Fermana FM 10 963 17770
Montegiorgio FM 10 6851 24621
Ripe San Ginesio MC 11 852 25473
Montottone FM 11 979 26452
Loro Piceno MC 11 2401 28853
San Ginesio MC 12 3498 32351
Monte Rinaldo FM 12 379 32730
Amandola FM 12 3629 36359
Force AP 12 1354 37713
Sarnano MC 12 3264 40977
Comunanza AP 12 3166 44143
Colmurano MC 13 1263 45406
Grottazzolina FM 14 3398 48804
Ortezzano FM 14 774 49578
Mogliano MC 14 4696 54274
Magliano di Tenna FM 14 1452 55726
Monte Vidon Combatte FM 15 433 56159
Monte Giberto FM 15 801 56960
Rotella AP 16 906 57866
Urbisaglia MC 16 2628 60494
Montedinove AP 16 488 60982
Montalto delle Marche AP 16 2122 63104
Francavilla d'Ete FM 16 964 64068
Rapagnano FM 16 2145 66213
Cessapalombo MC 16 512 66725
Montefortino FM 16 1178 67903
Camporotondo di Fiastrone MC 16 563 68466
Petritoli FM 17 2335 70801
Petriolo MC 17 1998 72799
Monte San Pietrangeli FM 18 2458 75257
Ponzano di Fermo FM 18 1674 76931
Palmiano AP 19 196 77127
Torre San Patrizio FM 19 2048 79175
Bolognola MC 20 142 79317
Caldarola MC 20 1823 81140
Carassai AP 20 1100 82240

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km NW of Teramo (54892 inhabitants)
62 Km S of Ancona (100861 inhabitants)
62 Km E of Foligno (57155 inhabitants)
80 Km N of L'Aquila (69753 inhabitants)
84 Km NW of Montesilvano (53738 inhabitants)
86 Km E of Perugia (166134 inhabitants)
86 Km NE of Terni (111501 inhabitants)
92 Km NW of Pescara (121014 inhabitants)
93 Km SE of Fano (60888 inhabitants)
99 Km NW of Chieti (51815 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 2021-09-21
13:58:11		 43.0668 13.4472 23 2022-03-30
13:04:26		 Bollettino Sismico Italiano INGV 99317701
Reviewed
Rev100 		ML 2.0 2021-09-21
13:58:11		 43.0632 13.4467 23 2021-09-21
14:27:55		 Sala Sismica INGV-Roma 95703321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-21 13:58:11 ± 0.09
Latitude 43.0668 ± 0.0036
Longitude 13.4472 ± 0.0049
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99317701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 440
Semi-minor axis of confidence ellipse (meter) 34
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
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) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.60884
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 99317701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-04 12:07:14

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 95703321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-21 14:27:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2021-09-21T13:58:33.40 0.6 undecidable manual S 308 0.6088 102 0.94 34
IV.LNSS.HHZ. 2021-09-21T13:58:31.60 0.6 undecidable manual S 213 0.5513 104 0.81 36
IV.ASSB.HHZ. 2021-09-21T13:58:31.90 0.3 undecidable manual S 268 0.5765 103 0.38 63
IV.GAVE.EHZ. 2021-09-21T13:58:31.30 0.6 undecidable manual S 227 0.5513 104 0.5 41
IV.AOI.HHN. 2021-09-21T13:58:29.50 0.6 undecidable manual S 13 0.4964 106 0.29 44
IV.SMA1.EHZ. 2021-09-21T13:58:28.20 0.3 undecidable manual S 191 0.4434 108 0.47 63
IV.TERO.HHZ. 2021-09-21T13:58:28.10 0.3 undecidable manual S 165 0.4587 107 -0.04 69
IV.SNTG.HHZ. 2021-09-21T13:58:27.10 0.3 undecidable manual S 297 0.4146 109 0.2 68
IV.CESI.HHZ. 2021-09-21T13:58:26.80 0.3 undecidable manual S 261 0.4011 110 0.27 67
IV.EL6.EHZ. 2021-09-21T13:58:25.70 0.3 undecidable manual S 316 0.3633 112 0.21 68
IV.PP3.EHZ. 2021-09-21T13:58:25.10 0.6 undecidable manual S 21 0.3327 115 0.45 44
IV.CING.HHZ. 2021-09-21T13:58:25.30 0.3 undecidable manual S 329 0.3588 113 -0.06 70
IV.SEF1.HNE. 2021-09-21T13:58:25.80 0.6 undecidable manual S 283 0.3732 112 0.04 47
IV.MML1.EHZ. 2021-09-21T13:58:25.40 0.3 undecidable manual S 278 0.3498 113 0.27 67
IV.FEMA.HNE. 2021-09-21T13:58:24.40 0.3 undecidable manual S 250 0.3085 117 0.39 66
IV.SSFR.HHZ. 2021-09-21T13:58:24.11 0.3 undecidable manual P 308 0.6088 102 0.46 62
IV.NRCA.HNZ. 2021-09-21T13:58:24.70 0.3 undecidable manual S 226 0.3372 114 -0.07 71
IV.MTRA.EHZ. 2021-09-21T13:58:24.00 0.3 undecidable manual S 187 0.3121 116 -0.1 71
IT.MTCL.HGE. 2021-09-21T13:58:24.90 0.3 undecidable manual S 258 0.3354 114 0.18 69
IV.OFFI.HHZ. 2021-09-21T13:58:23.40 0.6 undecidable manual S 127 0.2185 127 1.66 25
IV.RM33.EHZ. 2021-09-21T13:58:23.19 0.6 undecidable manual P 197 0.5828 103 -0.03 45
IV.GAVE.EHZ. 2021-09-21T13:58:22.72 0.3 undecidable manual P 227 0.5513 104 0.02 68
IV.LNSS.HHZ. 2021-09-21T13:58:22.40 0.6 undecidable manual P 213 0.5513 104 -0.29 43
IV.MC2.EHZ. 2021-09-21T13:58:22.60 0.3 undecidable manual S 231 0.2446 124 0.24 69
IV.ASSB.HHZ. 2021-09-21T13:58:22.91 0.3 undecidable manual P 268 0.5765 103 -0.2 65
IV.AOI.HHN. 2021-09-21T13:58:21.46 0.3 undecidable manual P 13 0.4964 106 -0.32 64
IV.SNTG.HHZ. 2021-09-21T13:58:20.22 0.3 undecidable manual P 297 0.4146 109 -0.23 67
IV.PF6.EHZ. 2021-09-21T13:58:20.90 0.3 undecidable manual S 291 0.1979 130 -0.36 68
IV.MNTT.EHZ. 2021-09-21T13:58:20.10 0.3 undecidable manual S 92 0.1088 149 0.58 65
IV.TERO.HHZ. 2021-09-21T13:58:20.92 0.3 undecidable manual P 165 0.4587 107 -0.24 66
IV.CESI.HHZ. 2021-09-21T13:58:20.17 0.1 undecidable manual P 261 0.4011 110 -0.06 93
IV.MMO1.EHZ. 2021-09-21T13:58:20.90 0.3 undecidable manual S 208 0.1889 132 -0.16 72
IV.SMA1.EHZ. 2021-09-21T13:58:20.59 0.1 undecidable manual P 191 0.4434 108 -0.33 87
IV.CSP1.EHZ. 2021-09-21T13:58:20.60 0.3 undecidable manual S 278 0.1790 134 -0.23 71
IV.CING.HHZ. 2021-09-21T13:58:19.25 0.3 undecidable manual P 329 0.3588 113 -0.31 66
IV.GUMA.HHZ. 2021-09-21T13:58:19.00 0.3 undecidable manual S 267 0.0818 156 -0.16 73
IT.MTCL.HGE. 2021-09-21T13:58:19.00 0.3 undecidable manual P 258 0.3354 114 -0.18 69
IV.SEF1.HNE. 2021-09-21T13:58:19.47 0.6 undecidable manual P 283 0.3732 112 -0.31 44
IV.MML1.EHZ. 2021-09-21T13:58:19.25 0.3 undecidable manual P 278 0.3498 113 -0.17 69
IV.EL6.EHZ. 2021-09-21T13:58:19.47 0.3 undecidable manual P 316 0.3633 112 -0.16 68
IV.MF5.EHZ. 2021-09-21T13:58:19.20 0.3 undecidable manual S 173 0.0791 156 0.07 73
IV.NRCA.HNZ. 2021-09-21T13:58:19.01 0.3 undecidable manual P 226 0.3372 114 -0.2 68
IV.PP3.EHZ. 2021-09-21T13:58:19.54 0.3 undecidable manual P 21 0.3327 115 0.4 67
IV.CIMA.HNE. 2021-09-21T13:58:18.91 0.6 undecidable manual P 34 0.2887 119 0.44 44
IV.MNTP.HNZ. 2021-09-21T13:58:18.80 0.3 undecidable manual S 13 0.0719 158 -0.25 72
IV.FEMA.HNE. 2021-09-21T13:58:18.72 0.3 undecidable manual P 250 0.3085 117 -0.06 71
IV.OFFI.HHZ. 2021-09-21T13:58:18.15 0.6 undecidable manual P 127 0.2185 127 0.69 41
IV.SAP2.EHZ. 2021-09-21T13:58:18.50 0.3 undecidable manual S 310 0.0459 166 -0.31 71
IV.MTRA.EHZ. 2021-09-21T13:58:18.48 0.3 undecidable manual P 187 0.3121 116 -0.35 67
IV.MC2.EHZ. 2021-09-21T13:58:17.70 0.3 undecidable manual P 231 0.2446 124 -0.12 71
IV.CSP1.EHZ. 2021-09-21T13:58:16.71 0.1 undecidable manual P 278 0.1790 134 -0.23 94
IV.PF6.EHZ. 2021-09-21T13:58:16.82 0.3 undecidable manual P 291 0.1979 130 -0.36 68
IV.MNTT.EHZ. 2021-09-21T13:58:16.27 0.3 undecidable manual P 92 0.1088 149 0.09 74
IV.MMO1.EHZ. 2021-09-21T13:58:16.84 0.1 undecidable manual P 208 0.1889 132 -0.23 94
IV.SAP2.EHZ. 2021-09-21T13:58:15.61 0.3 undecidable manual P 310 0.0459 166 -0.16 73
IV.GUMA.HHZ. 2021-09-21T13:58:15.69 0.3 undecidable manual P 267 0.0818 156 -0.28 71
IV.MNTP.HNZ. 2021-09-21T13:58:15.69 0.1 undecidable manual P 13 0.0719 158 -0.22 96
IV.MF5.EHZ. 2021-09-21T13:58:15.95 0.1 undecidable manual P 173 0.0791 156 -0.01 100
IV.T1299.HNN. 2021-09-21T13:58:06.20 0.6 undecidable manual P 0.4488 -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHE. ML:2.7 0.0036550000000000003 0.22 AML other m 2021-09-21T13:58:19.11
IV.GUMA.HNN. ML:2.7 0.00321 0.24 AML other m 2021-09-21T13:58:19.21
IV.GUMA.HHN. ML:2.8 0.003974999999999999 0.24 AML other m 2021-09-21T13:58:19.23
IV.SAP2.EHN. ML:3.3 0.0141 0.7 AML other m 2021-09-21T13:58:19.43
IV.MF5.EHE. ML:2.5 0.0021349999999999997 0.2 AML other m 2021-09-21T13:58:19.58
IV.MF5.EHN. ML:2.3 0.00147 0.5 AML other m 2021-09-21T13:58:19.64
IV.GUMA.HHE. ML:2.6 0.00252 0.34 AML other m 2021-09-21T13:58:19.90
IV.GUMA.HNE. ML:2.6 0.00231 1.66 AML other m 2021-09-21T13:58:19.91
IV.MNTT.EHE. ML:2.6 0.002435 0.22 AML other m 2021-09-21T13:58:20.25
IV.CSP1.EHN. ML:2.6 0.002235 0.38 AML other m 2021-09-21T13:58:20.80
IV.MNTT.EHN. ML:2.6 0.00267 1.14 AML other m 2021-09-21T13:58:20.83
IV.CSP1.EHE. ML:2.6 0.0020549999999999995 0.18 AML other m 2021-09-21T13:58:20.85
IV.NRCA.HNN. ML:2.1 0.00039261395 0.1088 AML other m 2021-09-21T13:58:25.18
IV.MML1.EHN. ML:2.4 0.000719 0.2 AML other m 2021-09-21T13:58:25.67
IV.MML1.HNN. ML:2.4 0.000718 0.2 AML other m 2021-09-21T13:58:25.67
IV.CING.HHN. ML:1.8 0.00018099999999999998 0.24 AML other m 2021-09-21T13:58:25.60
IV.MML1.HNE. ML:2.2 0.00044799999999999994 0.16 AML other m 2021-09-21T13:58:25.67
IV.MML1.EHE. ML:2.2 0.0004415 0.16 AML other m 2021-09-21T13:58:25.68
IV.NRCA.HHN. ML:2.2 0.0004455675 0.0576 AML other m 2021-09-21T13:58:25.90
IV.NRCA.HNE. ML:2.3 0.0006012847999999999 0.1024 AML other m 2021-09-21T13:58:25.92
IV.NRCA.HHE. ML:2.3 0.00064 0.1 AML other m 2021-09-21T13:58:25.92
IV.OFFI.HHN. ML:1.9 0.00037790219999999996 0.4608 AML other m 2021-09-21T13:58:26.42
IV.PP3.EHE. ML:2.0 0.00036443989999999997 0.2368 AML other m 2021-09-21T13:58:26.60
IV.CESI.HNN. ML:2.1 0.0003118765 0.3456 AML other m 2021-09-21T13:58:27.33
IV.CESI.HHN. ML:2.0 0.00026632610000000003 0.32 AML other m 2021-09-21T13:58:27.32
IV.SNTG.HNE. ML:1.7 0.000125329 0.1664 AML other m 2021-09-21T13:58:27.30
IV.SNTG.HHE. ML:1.7 0.000128 0.16 AML other m 2021-09-21T13:58:27.30
IV.CESI.HNE. ML:1.8 0.0001721467 0.3776 AML other m 2021-09-21T13:58:27.42
IV.CESI.HHE. ML:1.7 0.00013390024 0.2176 AML other m 2021-09-21T13:58:27.42
IV.SNTG.HNN. ML:1.8 0.00014742135 0.128 AML other m 2021-09-21T13:58:27.53
IV.CING.HHE. ML:1.6 0.000118399225 0.1024 AML other m 2021-09-21T13:58:27.50
IV.SNTG.HHN. ML:1.8 0.0001575 0.34 AML other m 2021-09-21T13:58:27.53
IV.EL6.EHE. ML:1.8 0.00018590875000000002 1.8016 AML other m 2021-09-21T13:58:27.04
IV.SMA1.EHE. ML:1.6 0.00009984999999999999 0.4 AML other m 2021-09-21T13:58:29.73
IV.TERO.HHN. ML:1.6 0.000084356185 0.1216 AML other m 2021-09-21T13:58:30.39
IV.PP3.HNE. ML:2.0 0.0003554579 0.1664 AML other m 2021-09-21T13:58:30.48
IV.TERO.HHE. ML:1.8 0.00012985185 0.1792 AML other m 2021-09-21T13:58:30.84
IV.SMA1.EHN. ML:1.6 0.00009000336000000001 0.2432 AML other m 2021-09-21T13:58:32.28
IV.OFFI.HHE. ML:1.7 0.000238478 0.576 AML other m 2021-09-21T13:58:32.24
IV.ASSB.HHE. ML:1.7 0.00008335 0.26 AML other m 2021-09-21T13:58:32.72
IV.PP3.EHN. ML:2.0 0.0003357605 0.4416 AML other m 2021-09-21T13:58:32.96
IV.ASSB.HHN. ML:1.8 0.0001242 0.64 AML other m 2021-09-21T13:58:33.43
IV.SSFR.HHN. ML:1.9 0.00013800000000000002 0.24 AML other m 2021-09-21T13:58:34.33
IV.SSFR.HHE. ML:2.0 0.00015200000000000004 0.22 AML other m 2021-09-21T13:58:34.58
IV.LNSS.HHE. ML:1.6 0.00006799476499999999 1.8016 AML other m 2021-09-21T13:58:34.10
IV.PP3.HNN. ML:2.1 0.00041681205 1.2512 AML other m 2021-09-21T13:58:35.14
IV.GAVE.EHN. ML:2.0 0.00016800000000000002 0.24 AML other m 2021-09-21T13:58:35.28
IV.GAVE.HNE. ML:1.9 0.00013968744999999998 0.3776 AML other m 2021-09-21T13:58:35.64
IV.GAVE.EHE. ML:1.9 0.00014700000000000002 0.38 AML other m 2021-09-21T13:58:35.64
IV.RM33.EHN. ML:1.6 0.000075959575 0.2368 AML other m 2021-09-21T13:58:35.86
IV.RM33.EHE. ML:1.5 0.00006124509000000001 1.7184 AML other m 2021-09-21T13:58:39.99
IV.LNSS.HHN. ML:1.7 0.0000932 0.34 AML other m 2021-09-21T13:58:40.43
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
Waveforms Seismic signals in miniseed + resp format Download