Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 17-08-2021 and time 02:07:21 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 2.4 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 17-08-2021 00:07:21 (UTC)
  • 17-08-2021 02:07:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7220, 13.2410 at 10 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
Senigallia AN 2 45027 45027
Montemarciano AN 11 9992 55019
Mondolfo PU 12 14277 69296
Trecastelli AN 12 7625 76921
Morro d'Alba AN 14 1903 78824
Monte San Vito AN 14 6848 85672
Ostra AN 14 6875 92547
San Costanzo PU 15 4786 97333
Chiaravalle AN 15 14796 112129
Monte Porzio PU 16 2836 114965
San Marcello AN 16 2057 117022
Falconara Marittima AN 17 26565 143587
Belvedere Ostrense AN 17 2234 145821
Corinaldo AN 18 4998 150819
Monsano AN 18 3405 154224
Camerata Picena AN 18 2567 156791
Ostra Vetere AN 20 3311 160102

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Fano (60888 inhabitants)
25 Km W of Ancona (100861 inhabitants)
34 Km SE of Pesaro (94582 inhabitants)
66 Km SE of Rimini (147750 inhabitants)
92 Km SE of Cesena (96758 inhabitants)
96 Km NE of Foligno (57155 inhabitants)
97 Km NE of Perugia (166134 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 2.4 2021-08-17
00:07:21		 43.7223 13.2413 11 2021-12-29
11:12:21		 Bollettino Sismico Italiano INGV 94364711
Reviewed
Rev100 		ML 2.5 2021-08-17
00:07:20		 43.7043 13.2232 26 2021-08-17
00:15:18		 Sala Sismica INGV-Roma 94274651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-17 00:07:21 ± 0.12
Latitude 43.7223 ± 0.0063
Longitude 13.2413 ± 0.0075
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94364711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 689
Semi-minor axis of confidence ellipse (meter) 331
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 91
Number of defining phases 91
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 3.29422
Number of stations at which the event was observed 57
Number of stations from which data was used for origin computation 57
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 134
Type of magnitude ML
Reference to an origin 94274651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-17 00:15:18

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 94364711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-07 16:17:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.ABSI.HHZ. 2021-08-17T00:08:14.03 0.3 undecidable manual P 336 365.6562 38 0.56 16
SI.KOSI.HHZ. 2021-08-17T00:08:10.81 0.3 undecidable manual P 335 337.2069 38 0.88 15
ST.RONC.EHZ. 2021-08-17T00:08:08.55 0.6 undecidable manual P 322 324.231 38 0.24 12
ST.ZIAN.EHZ. 2021-08-17T00:08:07.54 0.3 undecidable manual P 336 312.4539 38 0.7 16
OX.FUSE.HHZ. 2021-08-17T00:08:05.07 0.3 undecidable manual P 356 299.1783 38 -0.13 19
ST.VARA.EHZ. 2021-08-17T00:08:05.02 0.3 undecidable manual P 322 297.5799 38 0.03 20
IV.MAGA.HHZ. 2021-08-17T00:08:05.83 0.3 undecidable manual P 319 306.9594 38 -0.33 18
IV.CTI.HHZ. 2021-08-17T00:08:03.68 0.3 undecidable manual P 335 286.7019 38 0.03 23
IV.TREG.EHZ. 2021-08-17T00:07:59.85 0.3 undecidable manual P 321 258.6411 38 -0.3 28
IV.NRCA.HHZ. 2021-08-17T00:07:51.68 0.6 undecidable manual S 186 99.123 50 1.38 27
IV.MMO1.EHZ. 2021-08-17T00:07:49.68 0.6 undecidable manual S 176 91.5417 50 1.4 27
IV.T0110.HHZ. 2021-08-17T00:07:49.43 0.6 undecidable manual P 165 171.1953 50 0.3 33
IV.ASSB.HHZ. 2021-08-17T00:07:48.26 0.6 undecidable manual S 212 88.8444 50 0.71 37
IV.MF5.EHZ. 2021-08-17T00:07:48.47 0.6 undecidable manual S 168 83.3499 50 2.38 12
IV.PARC.HHZ. 2021-08-17T00:07:46.65 0.6 undecidable manual S 265 80.8635 50 1.23 30
IV.CESI.HHZ. 2021-08-17T00:07:46.98 0.6 undecidable manual S 199 84.0492 50 0.7 38
IV.ATVO.HHZ. 2021-08-17T00:07:45.27 0.6 undecidable manual S 241 76.9674 50 0.88 35
IV.GUMA.HHZ. 2021-08-17T00:07:45.01 0.6 undecidable manual S 174 73.5708 50 1.54 26
IV.ATCC.EHZ. 2021-08-17T00:07:45.26 0.6 undecidable manual S 219 76.7676 50 0.93 35
IV.ATPI.EHZ. 2021-08-17T00:07:44.16 0.6 undecidable manual S 246 73.8705 50 0.61 40
IV.SAP2.EHZ. 2021-08-17T00:07:44.81 0.6 undecidable manual S 170 70.5738 50 2.14 16
IV.FDMO.HHZ. 2021-08-17T00:07:44.97 0.6 undecidable manual S 189 77.0673 50 0.56 41
IV.ARRO.EHZ. 2021-08-17T00:07:43.08 0.3 undecidable manual P 197 132.5673 50 -0.09 60
IV.CESX.HHZ. 2021-08-17T00:07:43.22 0.3 undecidable manual P 203 134.4654 50 -0.24 58
IV.CSP1.EHZ. 2021-08-17T00:07:43.09 0.6 undecidable manual S 182 69.9744 50 0.57 41
IV.MML1.EHZ. 2021-08-17T00:07:43.41 0.6 undecidable manual S 198 70.9734 50 0.64 40
IV.ATFO.HHZ. 2021-08-17T00:07:42.44 0.6 undecidable manual S 234 66.7776 50 0.78 38
IV.MGAB.HHZ. 2021-08-17T00:07:42.96 0.3 undecidable manual P 226 127.9719 50 0.5 56
IV.APEC.HHZ. 2021-08-17T00:07:42.66 0.6 undecidable manual S 255 68.376 50 0.57 41
IV.SMA1.EHZ. 2021-08-17T00:07:41.33 0.3 undecidable manual P 176 121.3896 50 -0.12 61
IV.SFI.EHZ. 2021-08-17T00:07:41.12 0.3 undecidable manual P 281 113.3976 50 0.89 49
IV.FOSV.EHZ. 2021-08-17T00:07:40.24 0.6 undecidable manual S 219 61.1943 50 0.08 47
IV.CRE.HHZ. 2021-08-17T00:07:39.01 0.3 undecidable manual P 264 104.118 50 0.22 62
IV.PIEI.HHZ. 2021-08-17T00:07:39.94 0.6 undecidable manual S 250 60.3951 50 -0.01 47
IV.NARO.HHZ. 2021-08-17T00:07:38.27 0.6 undecidable manual S 257 54.4011 50 -0.1 47
IV.NRCA.HHZ. 2021-08-17T00:07:37.60 0.3 undecidable manual P 186 99.123 50 -0.42 60
IV.MMO1.EHZ. 2021-08-17T00:07:36.50 0.1 undecidable manual P 176 91.5417 50 -0.36 83
IV.MC2.EHZ. 2021-08-17T00:07:36.29 0.1 undecidable manual P 183 90.0432 50 -0.33 83
IV.SSP9.EHZ. 2021-08-17T00:07:36.89 0.3 undecidable manual P 260 90.6426 50 0.18 64
IV.SSFR.HHZ. 2021-08-17T00:07:36.75 0.6 undecidable manual S 229 48.618 50 -0.08 47
IV.TRE1.HNE. 2021-08-17T00:07:36.35 0.3 undecidable manual S 173 46.0206 50 0.24 69
IV.CESI.HHZ. 2021-08-17T00:07:35.53 0.1 undecidable manual P 199 84.0492 50 -0.17 87
IV.MF5.EHZ. 2021-08-17T00:07:35.86 0.1 undecidable manual P 168 83.3499 50 0.27 85
IV.CPGN.EHZ. 2021-08-17T00:07:35.29 0.3 undecidable manual P 277 74.2701 50 1.1 48
IV.PARC.HHZ. 2021-08-17T00:07:35.19 0.3 undecidable manual P 265 80.8635 50 -0.01 68
IV.MNTT.EHZ. 2021-08-17T00:07:35.36 0.1 undecidable manual P 159 78.6657 50 0.5 82
IV.ASSB.HHZ. 2021-08-17T00:07:35.96 0.1 positive manual P 212 88.8444 50 -0.48 81
IV.EL6.EHZ. 2021-08-17T00:07:35.69 0.6 undecidable manual S 194 45.0216 50 -0.16 47
IV.PESA.HHZ. 2021-08-17T00:07:35.36 0.6 undecidable manual S 307 40.2264 50 0.79 40
IV.MPAG.EHZ. 2021-08-17T00:07:34.05 0.6 undecidable manual S 255 40.0266 50 -0.47 44
IV.MURB.HHZ. 2021-08-17T00:07:34.47 0.3 undecidable manual P 229 76.9674 50 -0.14 67
IV.FDMO.HHZ. 2021-08-17T00:07:34.16 0.1 undecidable manual P 189 77.0673 50 -0.47 83
IV.GUMA.HHZ. 2021-08-17T00:07:34.00 0.3 undecidable manual P 174 73.5708 50 -0.08 68
IV.ATCC.EHZ. 2021-08-17T00:07:34.15 0.1 undecidable manual P 219 76.7676 50 -0.43 84
IV.ATVO.HHZ. 2021-08-17T00:07:34.28 0.1 undecidable manual P 241 76.9674 50 -0.33 85
IV.SAP2.EHZ. 2021-08-17T00:07:33.87 0.3 undecidable manual P 170 70.5738 50 0.25 66
IV.MML1.EHZ. 2021-08-17T00:07:33.26 0.3 undecidable manual P 198 70.9734 50 -0.42 64
IV.AOI.HHZ. 2021-08-17T00:07:33.53 0.6 undecidable manual S 123 34.743 50 0.43 46
IV.ATPI.EHZ. 2021-08-17T00:07:33.82 0.3 undecidable manual P 246 73.8705 50 -0.31 65
IV.FCOR.HNE. 2021-08-17T00:07:33.30 0.6 undecidable manual S 279 34.5432 50 0.23 47
IV.MMUR.HNE. 2021-08-17T00:07:33.44 0.3 undecidable manual S 212 36.741 50 -0.21 70
IV.CSP1.EHZ. 2021-08-17T00:07:33.12 0.1 undecidable manual P 182 69.9744 50 -0.41 85
IV.CING.HHZ. 2021-08-17T00:07:33.94 0.6 undecidable manual S 185 38.628 50 -0.21 47
IV.APEC.HHZ. 2021-08-17T00:07:32.99 0.1 undecidable manual P 255 68.376 50 -0.3 87
IV.ARVD.HHZ. 2021-08-17T00:07:32.38 0.6 undecidable manual S 224 34.6431 50 -0.7 41
IV.ATFO.HHZ. 2021-08-17T00:07:32.62 0.3 undecidable manual P 234 66.7776 50 -0.41 64
IV.FOSV.EHZ. 2021-08-17T00:07:31.46 0.1 positive manual P 219 61.1943 50 -0.71 78
IV.CRTC.HHZ. 2021-08-17T00:07:31.98 0.6 undecidable manual S 280 29.1486 50 0.36 47
IV.FANO.HNZ. 2021-08-17T00:07:31.18 0.6 undecidable manual S 307 22.3554 50 1.38 29
IV.PIEI.HHZ. 2021-08-17T00:07:31.41 0.1 undecidable manual P 250 60.3951 50 -0.64 80
IV.PCRO.HNZ. 2021-08-17T00:07:31.36 0.6 undecidable manual S 118 26.5512 50 0.43 46
IV.COR1.EHZ. 2021-08-17T00:07:30.33 0.3 undecidable manual S 243 21.7671 116 0.68 61
IV.NARO.HHZ. 2021-08-17T00:07:30.58 0.1 positive manual P 257 54.4011 50 -0.56 84
IV.PP3.EHZ. 2021-08-17T00:07:30.61 0.3 undecidable manual P 142 48.3183 50 0.41 66
IV.TRE1.HNE. 2021-08-17T00:07:29.50 0.3 undecidable manual P 173 46.0206 50 -0.33 68
IV.EL6.EHZ. 2021-08-17T00:07:29.16 0.1 undecidable manual P 194 45.0216 50 -0.52 87
IV.FRON.EHZ. 2021-08-17T00:07:29.44 0.1 positive manual P 241 47.2194 50 -0.58 84
IV.SSFR.HHZ. 2021-08-17T00:07:29.52 0.1 positive manual P 229 48.618 50 -0.72 79
IV.CING.HHZ. 2021-08-17T00:07:28.15 0.1 undecidable manual P 185 38.628 50 -0.55 87
IV.PESA.HHZ. 2021-08-17T00:07:28.78 0.3 undecidable manual P 307 40.2264 50 -0.17 71
IV.MPAG.EHZ. 2021-08-17T00:07:28.32 0.1 undecidable manual P 255 40.0266 50 -0.59 85
IV.FCOR.HNE. 2021-08-17T00:07:28.26 0.3 undecidable manual P 279 34.5432 50 0.19 71
IV.ARVD.HHZ. 2021-08-17T00:07:27.34 0.1 positive manual P 224 34.6431 50 -0.74 81
IV.AOI.HHZ. 2021-08-17T00:07:27.96 0.1 undecidable manual P 123 34.743 50 -0.13 96
IV.CRTC.HHZ. 2021-08-17T00:07:27.15 0.1 negative manual P 280 29.1486 50 -0.09 98
IV.MMUR.HNE. 2021-08-17T00:07:27.98 0.3 undecidable manual P 212 36.741 50 -0.43 67
IV.FANO.HNZ. 2021-08-17T00:07:26.42 0.3 undecidable manual P 307 22.3554 50 0.23 71
IV.PCRO.HNZ. 2021-08-17T00:07:26.85 0.1 undecidable manual P 118 26.5512 50 0.01 100
IV.COR1.EHZ. 2021-08-17T00:07:26.16 0.1 positive manual P 243 21.7671 116 0.06 98
IV.SENI.HNZ. 2021-08-17T00:07:25.44 0.3 undecidable manual S 199 1.998 169 0.47 67
IV.SENI.HNZ. 2021-08-17T00:07:23.61 0.1 positive manual P 199 1.998 169 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHN. ML:2.7 0.008317028 0.62 AML other m 2021-08-17T00:07:25.82
IV.SENI.EHE. ML:2.4 0.0040989865 0.52 AML other m 2021-08-17T00:07:25.81
IV.SENI.HNN. ML:3.2 0.02611344 0.16 AML other m 2021-08-17T00:07:25.73
IV.COR1.HNN. ML:2.8 0.0039572145 0.33 AML other m 2021-08-17T00:07:30.44
IV.COR1.EHN. ML:2.7 0.0034667380000000005 0.34 AML other m 2021-08-17T00:07:30.44
IV.COR1.HNE. ML:2.8 0.003916577 0.2 AML other m 2021-08-17T00:07:30.63
IV.COR1.EHE. ML:2.5 0.0022121885 0.2 AML other m 2021-08-17T00:07:30.63
IV.PCRO.HNN. ML:2.8 0.0038521555 0.21 AML other m 2021-08-17T00:07:31.47
IV.PCRO.HNE. ML:3.1 0.007459472 0.06 AML other m 2021-08-17T00:07:31.71
IV.CRTC.HHE. ML:3.0 0.00449 0.3 AML other m 2021-08-17T00:07:32.37
IV.CRTC.HHN. ML:2.7 0.00263 0.2 AML other m 2021-08-17T00:07:32.40
IV.AOI.HHN. ML:2.8 0.002935 0.26 AML other m 2021-08-17T00:07:33.88
IV.AOI.HHE. ML:2.3 0.0008856137000000001 0.14 AML other m 2021-08-17T00:07:33.85
IV.CING.HHN. ML:2.8 0.0023442660000000002 0.16 AML other m 2021-08-17T00:07:34.25
IV.MPAG.EHN. ML:2.2 0.00048535970000000006 0.3 AML other m 2021-08-17T00:07:34.33
IV.MPAG.EHE. ML:2.0 0.0003759153 0.2 AML other m 2021-08-17T00:07:34.35
IV.CING.HHE. ML:2.7 0.0017240921999999998 0.1 AML other m 2021-08-17T00:07:34.30
IV.EL6.EHN. ML:2.8 0.001845672 0.52 AML other m 2021-08-17T00:07:36.15
IV.EL6.EHE. ML:2.7 0.001690792 0.16 AML other m 2021-08-17T00:07:36.04
IV.SSFR.HHN. ML:2.0 0.00027413955 0.28 AML other m 2021-08-17T00:07:36.77
IV.SSFR.HNE. ML:2.1 0.0003577839 0.15 AML other m 2021-08-17T00:07:36.80
IV.SSFR.HHE. ML:2.2 0.0004790107 0.28 AML other m 2021-08-17T00:07:36.80
IV.NARO.HHN. ML:2.0 0.00026056855 0.36 AML other m 2021-08-17T00:07:38.58
IV.NARO.HHE. ML:1.8 0.000158520515 0.24 AML other m 2021-08-17T00:07:38.46
IV.PIEI.HHE. ML:2.5 0.0006554999999999999 0.26 AML other m 2021-08-17T00:07:40.11
IV.PIEI.HHN. ML:2.2 0.00032076395 0.34 AML other m 2021-08-17T00:07:40.09
IV.FOSV.EHN. ML:2.0 0.00021710679999999998 0.26 AML other m 2021-08-17T00:07:40.55
IV.FOSV.EHE. ML:2.1 0.00024161905 0.28 AML other m 2021-08-17T00:07:40.41
IV.ATFO.HHN. ML:2.0 0.0001721076 0.36 AML other m 2021-08-17T00:07:42.66
IV.APEC.HHN. ML:2.3 0.0003321362 0.42 AML other m 2021-08-17T00:07:43.31
IV.CSP1.EHE. ML:2.7 0.0008295146500000001 0.28 AML other m 2021-08-17T00:07:43.51
IV.MML1.HNN. ML:2.5 0.0004771881 0.27 AML other m 2021-08-17T00:07:43.68
IV.MML1.HNE. ML:2.4 0.00045887660000000003 0.27 AML other m 2021-08-17T00:07:43.82
IV.ATFO.HHE. ML:2.1 0.0002037874 0.28 AML other m 2021-08-17T00:07:43.69
IV.MML1.EHN. ML:2.4 0.00046222325 0.28 AML other m 2021-08-17T00:07:43.69
IV.MML1.EHE. ML:2.5 0.0005117427500000001 0.26 AML other m 2021-08-17T00:07:43.82
IV.ATPI.EHE. ML:1.8 0.00010865155 0.36 AML other m 2021-08-17T00:07:44.96
IV.FDMO.HHE. ML:2.2 0.00025265709999999997 0.48 AML other m 2021-08-17T00:07:45.57
IV.ATPI.HNN. ML:1.9 0.0001286525 0.4 AML other m 2021-08-17T00:07:45.15
IV.ATCC.EHN. ML:2.4 0.00033099999999999997 0.44 AML other m 2021-08-17T00:07:45.45
IV.ATCC.EHE. ML:2.1 0.00019068990000000003 0.2 AML other m 2021-08-17T00:07:45.45
IV.ATVO.HHE. ML:1.7 0.000077535525 0.24 AML other m 2021-08-17T00:07:45.66
IV.ATVO.HHN. ML:2.0 0.00016453367499999998 0.26 AML other m 2021-08-17T00:07:45.65
IV.GUMA.HNN. ML:2.6 0.00055376335 0.34 AML other m 2021-08-17T00:07:45.66
IV.GUMA.HHN. ML:2.6 0.00060533705 0.38 AML other m 2021-08-17T00:07:45.69
IV.GUMA.HHE. ML:2.7 0.00084586595 0.48 AML other m 2021-08-17T00:07:46.18
IV.PARC.HHE. ML:2.0 0.00012521475 0.72 AML other m 2021-08-17T00:07:47.38
IV.PARC.HHN. ML:2.0 0.00011961550000000001 0.44 AML other m 2021-08-17T00:07:47.16
IV.CESI.HNE. ML:2.4 0.00029016655 0.32 AML other m 2021-08-17T00:07:47.64
IV.CESI.HHE. ML:2.4 0.00029822655 0.32 AML other m 2021-08-17T00:07:47.64
IV.FDMO.HHN. ML:2.3 0.00028419055 0.16 AML other m 2021-08-17T00:07:47.89
IV.CESI.HHN. ML:2.3 0.00024240219999999997 0.24 AML other m 2021-08-17T00:07:47.98
IV.CESI.HNN. ML:2.5 0.0003893401 0.85 AML other m 2021-08-17T00:07:48.42
IV.ASSB.HHN. ML:2.0 0.00012793185 0.48 AML other m 2021-08-17T00:07:48.40
IV.ASSB.HHE. ML:2.0 0.00012407515 0.28 AML other m 2021-08-17T00:07:48.37
IV.NRCA.HHE. ML:2.4 0.00024019335 0.48 AML other m 2021-08-17T00:07:52.06
IV.NRCA.HNE. ML:2.4 0.00026519470000000003 0.48 AML other m 2021-08-17T00:07:52.06
IV.SMA1.EHN. ML:2.4 0.00018199615 0.26 AML other m 2021-08-17T00:07:58.62
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