Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 04-10-2021 and time 22:25:34 (UTC) in region 2 km NW Pieve Torina (MC)

A magnitude ML 1.5 earthquake occured in region: 2 km NW Pieve Torina (MC), on

  • 04-10-2021 22:25:34 (UTC)
  • 05-10-2021 00:25:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0590, 13.0270 at 14 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
Pieve Torina MC 3 1458 1458
Muccia MC 3 915 2373
Pievebovigliana MC 5 866 3239
Fiordimonte MC 6 202 3441
Serravalle di Chienti MC 6 1070 4511
Monte Cavallo MC 7 145 4656
Camerino MC 9 6974 11630
Fiastra MC 11 559 12189
Sefro MC 12 422 12611
Acquacanina MC 13 121 12732
Pioraco MC 14 1134 13866
Visso MC 15 1107 14973
Ussita MC 16 444 15417
Fiuminata MC 16 1402 16819
Castelraimondo MC 17 4587 21406
Bolognola MC 18 142 21548
Caldarola MC 19 1823 23371
Serrapetrona MC 19 966 24337
Cessapalombo MC 20 512 24849
Preci PG 20 724 25573

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
87 Km S of Fano (60888 inhabitants)
95 Km S 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 1.5 2021-10-04
22:25:34		 43.0588 13.0268 14 2022-03-30
13:04:13		 Bollettino Sismico Italiano INGV 96977661
Reviewed
Rev100 		ML 1.6 2021-10-04
22:25:34		 43.0587 13.0283 14 2021-10-04
22:33:57		 Sala Sismica INGV-Roma 96221151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-04 22:25:34 ± 0.05
Latitude 43.0588 ± 0.0027
Longitude 13.0268 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96977661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 266
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44337
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 45
Type of magnitude ML
Reference to an origin 96977661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-25 10:07:36

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 61
Type of magnitude ML
Reference to an origin 96221151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-04 22:33:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2021-10-04T22:26:00.60 3.0 undecidable manual Pn 1.11 0
IV.ARVD.HHZ. 2021-10-04T22:25:50.39 0.6 undecidable manual S 352 49.2174 95 0.31 44
IV.MURB.HHZ. 2021-10-04T22:25:49.96 0.6 undecidable manual S 299 46.5201 95 0.59 41
IV.CRTC.HHZ. 2021-10-04T22:25:48.78 3.0 negative manual P 0.29 0
IV.GAVE.EHZ. 2021-10-04T22:25:48.34 0.3 undecidable manual S 195 42.0246 96 0.16 69
IV.MF5.EHZ. 2021-10-04T22:25:47.53 0.6 undecidable manual S 103 35.9418 97 0.96 35
IV.CING.HHZ. 2021-10-04T22:25:47.11 0.3 undecidable manual S 21 37.7289 97 0.09 70
IV.FOSV.EHZ. 2021-10-04T22:25:46.07 0.3 undecidable manual S 321 33.8439 98 0.06 71
IV.TERO.HHZ. 2021-10-04T22:25:46.44 3.0 undecidable manual P -0.06 0
IV.ATCC.EHZ. 2021-10-04T22:25:46.50 0.3 undecidable manual S 294 34.3434 98 0.37 66
IV.SAP2.EHZ. 2021-10-04T22:25:45.50 0.6 undecidable manual S 82 30.4473 99 0.39 44
IV.ASSB.HHZ. 2021-10-04T22:25:45.02 0.3 undecidable manual S 267 29.9478 100 0.06 72
IV.EL6.EHZ. 2021-10-04T22:25:45.16 0.3 undecidable manual S 11 30.6471 99 0.01 72
IV.GUMA.HHZ. 2021-10-04T22:25:44.11 0.3 undecidable manual S 89 24.9528 103 0.43 66
IV.MMO1.EHZ. 2021-10-04T22:25:44.85 0.3 undecidable manual S 126 30.0477 99 -0.16 70
IV.MURB.HHZ. 2021-10-04T22:25:43.15 1.0 positive manual P 299 46.5201 95 0.08 23
IV.ARVD.HHZ. 2021-10-04T22:25:43.23 0.1 undecidable manual P 352 49.2174 95 -0.25 88
IV.NRCA.HHZ. 2021-10-04T22:25:43.75 0.3 undecidable manual S 164 25.9518 102 -0.18 70
IV.MC2.EHZ. 2021-10-04T22:25:42.29 0.3 undecidable manual S 141 20.9679 108 -0.35 68
IV.SNTG.HHZ. 2021-10-04T22:25:42.90 0.3 undecidable manual S 342 22.8549 105 -0.23 70
IV.GAVE.EHZ. 2021-10-04T22:25:42.30 0.3 negative manual P 195 42.0246 96 -0.09 69
IV.ATCC.EHZ. 2021-10-04T22:25:41.24 0.1 positive manual P 294 34.3434 98 0.04 95
IV.CING.HHZ. 2021-10-04T22:25:41.54 0.1 negative manual P 21 37.7289 97 -0.17 92
IV.MF5.EHZ. 2021-10-04T22:25:41.87 0.1 undecidable manual P 103 35.9418 97 0.42 87
IV.ASSB.HHZ. 2021-10-04T22:25:40.43 0.3 undecidable manual P 267 29.9478 100 -0.1 71
IV.CSP1.EHZ. 2021-10-04T22:25:40.99 0.3 undecidable manual S 76 14.874 120 -0.15 72
IV.EL6.EHZ. 2021-10-04T22:25:40.45 0.1 negative manual P 11 30.6471 99 -0.18 93
IV.SAP2.EHZ. 2021-10-04T22:25:40.79 0.3 undecidable manual P 82 30.4473 99 0.18 69
IV.FEMA.HNZ. 2021-10-04T22:25:40.42 0.3 undecidable manual S 170 10.878 132 0.14 72
IV.MMO1.EHZ. 2021-10-04T22:25:40.35 0.1 positive manual P 126 30.0477 99 -0.2 92
IV.FOSV.EHZ. 2021-10-04T22:25:40.99 0.1 negative manual P 321 33.8439 98 -0.14 93
IV.CESI.HHZ. 2021-10-04T22:25:40.56 0.3 undecidable manual S 239 11.5773 130 0.14 73
IV.SNTG.HHZ. 2021-10-04T22:25:39.23 0.1 negative manual P 342 22.8549 105 -0.24 93
IT.MTCL.HGZ. 2021-10-04T22:25:39.69 0.3 undecidable manual S 197 7.5813 145 0 75
IV.NRCA.HHZ. 2021-10-04T22:25:39.72 0.1 positive manual P 164 25.9518 102 -0.21 93
IV.MML1.EHZ. 2021-10-04T22:25:39.57 0.3 undecidable manual S 324 7.5813 145 -0.12 73
IV.GUMA.HHZ. 2021-10-04T22:25:39.96 0.1 positive manual P 89 24.9528 103 0.18 93
IV.MC2.EHZ. 2021-10-04T22:25:39.12 0.1 positive manual P 141 20.9679 108 -0.07 97
IV.FDMO.HHZ. 2021-10-04T22:25:39.07 0.3 undecidable manual S 117 5.4945 153 -0.34 71
IV.CESI.HHZ. 2021-10-04T22:25:38.02 0.1 positive manual P 239 11.5773 130 0.12 97
IV.CSP1.EHZ. 2021-10-04T22:25:38.25 0.1 negative manual P 76 14.874 120 -0.07 98
IV.FEMA.HNZ. 2021-10-04T22:25:37.90 0.1 positive manual P 170 10.878 132 0.08 98
IV.FDMO.HHZ. 2021-10-04T22:25:37.22 0.1 positive manual P 117 5.4945 153 -0.1 99
IT.MTCL.HGZ. 2021-10-04T22:25:37.46 0.1 negative manual P 197 7.5813 145 -0.02 100
IV.MML1.EHZ. 2021-10-04T22:25:37.47 0.1 negative manual P 324 7.5813 145 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNN. ML:1.7 0.0005348261 0.128 AML other m 2021-10-04T22:25:40.76
IV.CESI.HHN. ML:1.7 0.0005384945 0.1152 AML other m 2021-10-04T22:25:40.76
IV.CESI.HNE. ML:1.6 0.00034963025000000006 0.064 AML other m 2021-10-04T22:25:40.73
IV.CESI.HHE. ML:1.6 0.000421381 0.064 AML other m 2021-10-04T22:25:40.74
IV.FEMA.HNE. ML:1.8 0.0005482226999999999 1.8976 AML other m 2021-10-04T22:25:41.99
IV.FEMA.HNN. ML:1.6 0.00039436715 0.0896 AML other m 2021-10-04T22:25:41.68
IV.SNTG.HNE. ML:1.5 0.00018085239999999998 0.128 AML other m 2021-10-04T22:25:43.08
IV.SNTG.HHE. ML:1.4 0.000165 0.12 AML other m 2021-10-04T22:25:43.09
IV.SNTG.HNN. ML:1.4 0.00014091805 0.2048 AML other m 2021-10-04T22:25:43.26
IV.SNTG.HHN. ML:1.4 0.00013601285 0.0768 AML other m 2021-10-04T22:25:43.30
IV.GUMA.HNE. ML:1.6 0.0002466957 0.1408 AML other m 2021-10-04T22:25:44.42
IV.GUMA.HHE. ML:1.8 0.0003505 0.28 AML other m 2021-10-04T22:25:44.43
IV.GUMA.HHN. ML:1.6 0.0002275 0.2 AML other m 2021-10-04T22:25:44.50
IV.ASSB.HHE. ML:1.2 0.000078875165 0.1152 AML other m 2021-10-04T22:25:45.36
IV.EL6.EHE. ML:1.8 0.00026849999999999997 0.22 AML other m 2021-10-04T22:25:45.32
IV.EL6.EHN. ML:1.6 0.00020011115 0.1664 AML other m 2021-10-04T22:25:45.73
IV.SAP2.EHE. ML:1.4 0.000101537145 0.1152 AML other m 2021-10-04T22:25:46.08
IV.SAP2.EHN. ML:2.1 0.00055850555 0.1152 AML other m 2021-10-04T22:25:46.08
IV.ASSB.HHN. ML:1.2 0.00008088874500000001 0.1664 AML other m 2021-10-04T22:25:46.17
IV.FOSV.EHN. ML:1.4 0.00009045 0.18 AML other m 2021-10-04T22:25:46.35
IV.FOSV.EHE. ML:1.5 0.00011648284999999999 0.2432 AML other m 2021-10-04T22:25:46.44
IV.ATCC.EHN. ML:1.2 0.000063805475 0.1024 AML other m 2021-10-04T22:25:47.21
IV.ATCC.EHE. ML:1.3 0.000079782665 0.192 AML other m 2021-10-04T22:25:47.46
IV.CING.HHN. ML:1.6 0.00014549999999999999 0.14 AML other m 2021-10-04T22:25:47.52
IV.CING.HHE. ML:1.7 0.0001645 0.18 AML other m 2021-10-04T22:25:47.73
IV.GAVE.HNN. ML:1.7 0.00015429432999999998 0.832 AML other m 2021-10-04T22:25:48.49
IV.GUMA.HNN. ML:1.6 0.0002189604 0.4224 AML other m 2021-10-04T22:25:48.49
IV.GAVE.EHN. ML:1.8 0.00017333515 0.1408 AML other m 2021-10-04T22:25:49.70
IV.GAVE.EHE. ML:1.7 0.0001676677 0.1536 AML other m 2021-10-04T22:25:49.82
IV.GAVE.HNE. ML:1.7 0.0001687585 0.1408 AML other m 2021-10-04T22:25:49.89
IV.ARVD.HHN. ML:1.2 0.000045313770000000004 0.1408 AML other m 2021-10-04T22:25:51.59
IV.ARVD.HHE. ML:1.3 0.000054531085 0.1792 AML other m 2021-10-04T22:25:51.76
IV.LNSS.HHN. ML:1.6 0.00010279983 0.1792 AML other m 2021-10-04T22:25:51.78
IV.LNSS.HHE. ML:1.6 0.000089377475 1.8208 AML other m 2021-10-04T22:25:51.04
IV.MNTT.EHE. ML:1.8 0.00016277890000000001 0.1024 AML other m 2021-10-04T22:25:52.05
IV.MNTT.EHN. ML:1.7 0.00014187586499999998 0.1792 AML other m 2021-10-04T22:25:52.72
IV.ARRO.EHN. ML:1.6 0.00007816954 0.3072 AML other m 2021-10-04T22:25:53.77
IV.SMA1.EHN. ML:1.4 0.000052596895000000004 0.256 AML other m 2021-10-04T22:25:53.77
IV.ARRO.EHE. ML:1.6 0.00007875 0.24 AML other m 2021-10-04T22:25:53.75
IV.PIEI.HHN. ML:1.2 0.000027801515 0.1408 AML other m 2021-10-04T22:25:56.28
IV.PIEI.HHE. ML:1.3 0.000034641345000000006 0.1536 AML other m 2021-10-04T22:25:56.26
IV.TERO.HHN. ML:1.2 0.00002494491 0.1792 AML other m 2021-10-04T22:25:56.45
IV.SMA1.EHE. ML:1.4 0.00006347669000000001 0.5632 AML other m 2021-10-04T22:25:57.37
IV.NARO.HHE. ML:1.2 0.00002682182 0.3072 AML other m 2021-10-04T22:25:58.96
IV.NARO.HHN. ML:1.1 0.00002111809 0.1408 AML other m 2021-10-04T22:25:58.89
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