Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-08-2021 and time 03:49:31 (Italy) in region 2 km NW Santa Vittoria in Matenano (FM)

A magnitude ML 2.0 earthquake occured in region: 2 km NW Santa Vittoria in Matenano (FM), on

  • 18-08-2021 01:49:31 (UTC)
  • 18-08-2021 03:49:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0310, 13.4840 at 24 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
Santa Vittoria in Matenano FM 2 1330 1330
Monte San Martino MC 4 765 2095
Smerillo FM 4 365 2460
Monteleone di Fermo FM 4 395 2855
Montelparo FM 5 778 3633
Montefalcone Appennino FM 5 424 4057
Penna San Giovanni MC 6 1108 5165
Servigliano FM 6 2336 7501
Monsampietro Morico FM 7 659 8160
Force AP 8 1354 9514
Monte Rinaldo FM 8 379 9893
Belmonte Piceno FM 8 646 10539
Falerone FM 9 3337 13876
Montottone FM 9 979 14855
Comunanza AP 10 3166 18021
Ortezzano FM 10 774 18795
Monte Vidon Corrado FM 10 731 19526
Rotella AP 11 906 20432
Sant'Angelo in Pontano MC 11 1436 21868
Montedinove AP 11 488 22356
Montalto delle Marche AP 11 2122 24478
Amandola FM 12 3629 28107
Montappone FM 12 1682 29789
Montegiorgio FM 12 6851 36640
Monte Vidon Combatte FM 12 433 37073
Gualdo MC 13 815 37888
Grottazzolina FM 13 3398 41286
Massa Fermana FM 13 963 42249
Monte Giberto FM 14 801 43050
Palmiano AP 15 196 43246
Magliano di Tenna FM 15 1452 44698
Petritoli FM 15 2335 47033
Sarnano MC 15 3264 50297
Montefortino FM 15 1178 51475
Castignano AP 15 2796 54271
Ripe San Ginesio MC 16 852 55123
San Ginesio MC 16 3498 58621
Loro Piceno MC 16 2401 61022
Carassai AP 16 1100 62122
Ponzano di Fermo FM 16 1674 63796
Venarotta AP 17 2066 65862
Rapagnano FM 17 2145 68007
Mogliano MC 17 4696 72703
Cossignano AP 17 978 73681
Colmurano MC 18 1263 74944
Francavilla d'Ete FM 19 964 75908
Roccafluvione AP 19 2010 77918
Montemonaco AP 19 604 78522
Monte San Pietrangeli FM 20 2458 80980
Torre San Patrizio FM 20 2048 83028
Offida AP 20 5058 88086

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Teramo (54892 inhabitants)
64 Km E of Foligno (57155 inhabitants)
65 Km S of Ancona (100861 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
79 Km NW of Montesilvano (53738 inhabitants)
86 Km NE of Terni (111501 inhabitants)
87 Km NW of Pescara (121014 inhabitants)
89 Km E of Perugia (166134 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
98 Km SE of Fano (60888 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 2021-08-18
01:49:31		 43.031 13.4838 24 2021-12-29
11:12:24		 Bollettino Sismico Italiano INGV 94949371
Reviewed
Rev100 		ML 1.9 2021-08-18
01:49:31		 43.0342 13.5048 24 2021-08-18
01:58:37		 Sala Sismica INGV-Roma 94317361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-18 01:49:31 ± 0.09
Latitude 43.0310 ± 0.0027
Longitude 13.4838 ± 0.0049
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94949371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
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 72
Number of defining phases 70
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) 1.06480
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 41
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 94949371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-10 11:47:51

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 94317361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-18 01:58:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IOCA.HHZ. 2021-08-18T01:50:13.29 3.0 negative manual Pg 5.94 0
IV.BRIS.HHZ. 2021-08-18T01:50:05.36 3.0 positive manual Pg 6.11 0
IV.INTR.HHZ. 2021-08-18T01:49:52.75 0.6 undecidable manual P 163 118.1928 97 1.28 26
IV.ASSB.HHZ. 2021-08-18T01:49:52.73 0.3 undecidable manual S 271 66.8775 103 0.32 65
IV.MGAB.HHZ. 2021-08-18T01:49:52.36 0.6 undecidable manual P 264 112.0989 97 1.83 19
IV.RM33.EHZ. 2021-08-18T01:49:51.28 0.6 undecidable manual S 201 61.8936 104 0.16 45
IV.APEC.HHZ. 2021-08-18T01:49:49.67 0.6 undecidable manual P 305 103.9182 98 0.38 40
IV.NARO.HHZ. 2021-08-18T01:49:48.35 0.3 undecidable manual P 312 97.2249 98 0.09 64
IV.EL6.EHZ. 2021-08-18T01:49:47.08 0.3 undecidable manual S 317 45.3213 110 0.21 69
IV.PIEI.HHZ. 2021-08-18T01:49:47.89 0.3 undecidable manual P 306 94.9383 99 -0.02 65
IV.T1299.EHZ. 2021-08-18T01:49:47.55 0.3 undecidable manual S 201 47.0196 109 0.26 68
IV.SEF1.HNZ. 2021-08-18T01:49:47.18 0.3 undecidable manual S 287 45.3213 110 0.31 68
IV.T0110.HHZ. 2021-08-18T01:49:47.91 0.6 undecidable manual P 165 92.0412 99 0.43 40
IV.CESI.HHZ. 2021-08-18T01:49:47.70 0.3 undecidable manual S 267 47.0196 109 0.38 66
IV.FIU1.HNZ. 2021-08-18T01:49:47.82 0.6 undecidable manual S 292 48.0186 109 0.26 45
IV.MML1.EHZ. 2021-08-18T01:49:46.64 0.3 undecidable manual S 283 42.5241 112 0.47 66
IV.SMA1.EHZ. 2021-08-18T01:49:46.92 0.3 undecidable manual S 195 46.0206 110 -0.14 70
IV.PP3.HNZ. 2021-08-18T01:49:46.58 0.6 undecidable manual S 15 39.8268 113 1.07 35
IV.CING.HHZ. 2021-08-18T01:49:46.77 0.3 undecidable manual S 329 44.8218 110 0.03 72
IV.TERO.HHZ. 2021-08-18T01:49:46.94 0.3 undecidable manual S 168 46.3203 110 -0.19 69
IT.MTCL.HGZ. 2021-08-18T01:49:45.71 0.6 undecidable manual S 264 39.5271 114 0.27 46
IV.NRCA.HNZ. 2021-08-18T01:49:45.04 0.3 undecidable manual S 234 37.1295 115 0.17 70
IV.FEMA.HNZ. 2021-08-18T01:49:44.94 0.6 undecidable manual S 258 36.0417 116 0.34 45
IV.CIMA.HNZ. 2021-08-18T01:49:44.63 0.6 undecidable manual S 26 33.9438 118 0.53 44
IV.ATCC.EHZ. 2021-08-18T01:49:44.21 0.3 undecidable manual P 284 70.4739 102 0.01 69
IV.FDMO.HHZ. 2021-08-18T01:49:43.78 0.3 undecidable manual S 271 32.1456 119 0.1 72
IV.ASSB.HHZ. 2021-08-18T01:49:43.53 0.3 undecidable manual P 271 66.8775 103 -0.14 67
IV.ARVD.HHZ. 2021-08-18T01:49:43.57 0.6 undecidable manual P 320 67.8765 103 -0.24 44
IV.FOSV.EHZ. 2021-08-18T01:49:43.35 0.3 undecidable manual P 297 65.3901 103 -0.09 68
IV.MTRA.HNZ. 2021-08-18T01:49:43.24 0.3 undecidable manual S 193 31.2465 120 -0.23 71
IV.SSM1.HNZ. 2021-08-18T01:49:43.67 0.6 undecidable manual S 312 33.1446 118 -0.24 47
IV.PF6.EHZ. 2021-08-18T01:49:42.14 0.3 undecidable manual S 297 26.2515 126 -0.21 71
IV.RM33.EHZ. 2021-08-18T01:49:42.69 0.1 undecidable manual P 201 61.8936 104 -0.23 89
IV.OFFI.HHZ. 2021-08-18T01:49:42.66 0.6 undecidable manual S 123 19.5693 135 1.68 25
IV.MC2.EHZ. 2021-08-18T01:49:42.76 0.3 undecidable manual S 241 27.3504 124 0.17 72
IV.GAVE.EHZ. 2021-08-18T01:49:42.62 0.6 undecidable manual P 232 60.8946 104 -0.15 45
IV.FIU1.HNZ. 2021-08-18T01:49:41.18 0.6 undecidable manual P 292 48.0186 109 0.32 45
IV.AOI.HHE. 2021-08-18T01:49:41.83 0.1 undecidable manual P 9 58.3971 105 -0.56 82
IV.CSP1.EHZ. 2021-08-18T01:49:41.75 0.3 undecidable manual S 287 23.5542 129 -0.03 74
IV.MMO1.EHZ. 2021-08-18T01:49:40.79 0.3 undecidable manual S 221 19.3695 135 -0.16 73
IV.TERO.HHZ. 2021-08-18T01:49:40.76 0.6 undecidable manual P 168 46.3203 110 0.14 46
IV.EL6.EHZ. 2021-08-18T01:49:40.24 0.3 positive manual P 317 45.3213 110 -0.23 69
IV.T1299.EHZ. 2021-08-18T01:49:40.61 0.3 undecidable manual P 201 47.0196 109 -0.1 71
IV.SEF1.HNZ. 2021-08-18T01:49:40.66 0.3 undecidable manual P 287 45.3213 110 0.19 69
IV.SMA1.EHZ. 2021-08-18T01:49:40.33 0.1 positive manual P 195 46.0206 110 -0.25 91
IV.PP3.HNZ. 2021-08-18T01:49:40.11 0.3 undecidable manual P 15 39.8268 113 0.43 67
IV.CING.HHZ. 2021-08-18T01:49:40.11 0.3 undecidable manual P 329 44.8218 110 -0.28 68
IV.CESI.HHZ. 2021-08-18T01:49:40.66 0.3 undecidable manual P 267 47.0196 109 -0.06 71
IV.CIMA.HNZ. 2021-08-18T01:49:39.05 0.1 undecidable manual P 26 33.9438 118 0.18 95
IV.SAP2.EHZ. 2021-08-18T01:49:39.34 0.3 undecidable manual S 317 9.9789 154 -0.15 74
IV.MNTP.HNZ. 2021-08-18T01:49:39.65 0.3 undecidable manual S 354 11.877 150 -0.07 75
IV.MNTT.EHZ. 2021-08-18T01:49:39.65 0.6 undecidable manual S 69 9.6792 155 0.2 49
IV.MF5.EHZ. 2021-08-18T01:49:39.00 0.3 undecidable manual S 202 5.1948 166 -0.05 77
IT.MTCL.HGZ. 2021-08-18T01:49:39.51 0.3 undecidable manual P 264 39.5271 114 -0.13 71
IV.MML1.EHZ. 2021-08-18T01:49:39.97 0.1 positive manual P 283 42.5241 112 -0.09 95
IV.FEMA.HNZ. 2021-08-18T01:49:39.06 0.1 undecidable manual P 258 36.0417 116 -0.09 96
IV.GUMA.HHZ. 2021-08-18T01:49:39.82 0.3 undecidable manual S 286 12.5763 148 0 76
IV.NRCA.HNZ. 2021-08-18T01:49:39.11 0.1 undecidable manual P 234 37.1295 115 -0.2 94
IV.MTRA.HNZ. 2021-08-18T01:49:38.22 0.3 undecidable manual P 193 31.2465 120 -0.28 70
IV.SSM1.HNZ. 2021-08-18T01:49:38.50 0.3 undecidable manual P 312 33.1446 118 -0.26 70
IV.FDMO.HHZ. 2021-08-18T01:49:38.42 0.1 undecidable manual P 271 32.1456 119 -0.2 94
IV.CADA.HNZ. 2021-08-18T01:49:38.21 0.1 undecidable manual P 51 28.8489 123 0.02 99
IV.CSP1.EHZ. 2021-08-18T01:49:37.33 0.1 undecidable manual P 287 23.5542 129 -0.2 96
IV.PF6.EHZ. 2021-08-18T01:49:37.49 0.1 undecidable manual P 297 26.2515 126 -0.37 92
IV.OFFI.HHZ. 2021-08-18T01:49:37.41 0.3 undecidable manual P 123 19.5693 135 0.34 70
IV.MC2.EHZ. 2021-08-18T01:49:37.93 0.3 undecidable manual P 241 27.3504 124 -0.06 73
IV.GUMA.HHZ. 2021-08-18T01:49:36.27 0.1 undecidable manual P 286 12.5763 148 -0.12 99
IV.MMO1.EHZ. 2021-08-18T01:49:36.80 0.1 undecidable manual P 221 19.3695 135 -0.25 96
IV.SAP2.EHZ. 2021-08-18T01:49:36.01 0.3 undecidable manual P 317 9.9789 154 -0.2 74
IV.MNTP.HNZ. 2021-08-18T01:49:36.06 0.1 positive manual P 354 11.877 150 -0.28 96
IV.MNTT.EHZ. 2021-08-18T01:49:36.08 0.1 undecidable manual P 69 9.6792 155 -0.1 100
IV.MF5.EHZ. 2021-08-18T01:49:35.80 0.1 undecidable manual P 202 5.1948 166 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHE. ML:2.2 0.001036 0.42 AML other m 2021-08-18T01:49:39.34
IV.MF5.EHN. ML:2.1 0.0009350000000000001 0.22 AML other m 2021-08-18T01:49:39.23
IV.MNTP.HNE. ML:2.8 0.0037 0.3 AML other m 2021-08-18T01:49:39.73
IV.SAP2.EHE. ML:2.3 0.001295 0.16 AML other m 2021-08-18T01:49:39.76
IV.SAP2.EHN. ML:3.0 0.007385 0.16 AML other m 2021-08-18T01:49:39.84
IV.MNTT.EHN. ML:2.8 0.0038549999999999995 1.6 AML other m 2021-08-18T01:49:39.88
IV.GUMA.HHE. ML:2.2 0.0009530000000000001 1.7 AML other m 2021-08-18T01:49:40.96
IV.GUMA.HNE. ML:2.2 0.000853 1.62 AML other m 2021-08-18T01:49:40.15
IV.MNTP.HNN. ML:2.4 0.001585 0.54 AML other m 2021-08-18T01:49:40.78
IV.GUMA.HHN. ML:2.0 0.0006670000000000001 0.18 AML other m 2021-08-18T01:49:40.68
IV.MNTT.EHE. ML:3.1 0.007945 0.62 AML other m 2021-08-18T01:49:41.13
IV.CSP1.EHE. ML:2.4 0.0012250000000000002 1.58 AML other m 2021-08-18T01:49:42.14
IV.CSP1.EHN. ML:2.3 0.0008625000000000001 0.24 AML other m 2021-08-18T01:49:42.52
IV.GUMA.HNN. ML:2.0 0.0005629999999999999 0.44 AML other m 2021-08-18T01:49:43.52
IV.OFFI.HHN. ML:2.0 0.000576 0.94 AML other m 2021-08-18T01:49:43.99
IV.MTRA.HNN. ML:2.0 0.00038449999999999997 1.46 AML other m 2021-08-18T01:49:43.82
IV.MTRA.EHN. ML:2.0 0.000366 1.46 AML other m 2021-08-18T01:49:43.09
IV.MTRA.HNE. ML:2.1 0.000473 0.56 AML other m 2021-08-18T01:49:43.90
IV.MTRA.EHE. ML:2.1 0.00047650000000000004 1.36 AML other m 2021-08-18T01:49:43.90
IV.FDMO.HHE. ML:2.3 0.000689 1.82 AML other m 2021-08-18T01:49:44.02
IV.FDMO.HHN. ML:2.3 0.0007205 1.76 AML other m 2021-08-18T01:49:44.10
IV.OFFI.HHE. ML:2.1 0.0006635 0.68 AML other m 2021-08-18T01:49:45.86
IV.MML1.EHE. ML:2.0 0.0003035 0.28 AML other m 2021-08-18T01:49:46.99
IV.MML1.HNE. ML:2.1 0.000322 0.28 AML other m 2021-08-18T01:49:46.85
IV.MML1.EHN. ML:2.5 0.000891 1.72 AML other m 2021-08-18T01:49:47.96
IV.MML1.HNN. ML:2.5 0.0008805000000000001 1.72 AML other m 2021-08-18T01:49:47.96
IV.CING.HHE. ML:1.6 0.000108 0.2 AML other m 2021-08-18T01:49:47.81
IV.CING.HHN. ML:1.8 0.0001575 1.76 AML other m 2021-08-18T01:49:47.06
IV.EL6.EHN. ML:1.8 0.000157 0.84 AML other m 2021-08-18T01:49:48.60
IV.SMA1.EHE. ML:1.6 0.00011549999999999999 0.44 AML other m 2021-08-18T01:49:48.64
IV.CESI.HHN. ML:1.9 0.00021100000000000003 0.42 AML other m 2021-08-18T01:49:49.26
IV.CESI.HHE. ML:1.6 0.00010975 0.58 AML other m 2021-08-18T01:49:49.63
IV.SMA1.EHN. ML:1.7 0.000133 1.4 AML other m 2021-08-18T01:49:50.80
IV.EL6.EHE. ML:1.8 0.000187 1.16 AML other m 2021-08-18T01:49:50.33
IV.FOSV.EHE. ML:1.9 0.000127 0.66 AML other m 2021-08-18T01:49:53.67
IV.RM33.EHN. ML:1.6 0.00006365 0.5 AML other m 2021-08-18T01:49:53.85
IV.ASSB.HHN. ML:1.8 0.00010045000000000002 0.2 AML other m 2021-08-18T01:49:53.79
IV.FOSV.EHN. ML:3.7 0.008754999999999999 0.56 AML other m 2021-08-18T01:49:54.67
IV.ATCC.EHE. ML:1.8 0.0001019 0.12 AML other m 2021-08-18T01:49:55.21
IV.ATCC.EHN. ML:1.8 0.00008935000000000002 0.28 AML other m 2021-08-18T01:49:55.53
IV.ASSB.HHE. ML:1.6 0.00006895000000000001 0.86 AML other m 2021-08-18T01:49:55.08
IV.RM33.EHE. ML:1.6 0.0000672 0.96 AML other m 2021-08-18T01:49:56.19
IV.PIEI.HHE. ML:1.6 0.0000413 0.22 AML other m 2021-08-18T01:50:04.30
IV.PIEI.HHN. ML:1.5 0.0000305 0.46 AML other m 2021-08-18T01:50:04.30
IV.APEC.HHN. ML:1.8 0.000057749999999999994 0.4 AML other m 2021-08-18T01:50:08.48
IV.APEC.HHE. ML:1.7 0.0000473 0.52 AML other m 2021-08-18T01:50:08.51
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