Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-10-2021 and time 11:15:42 (UTC) in region 5 km SW Caldarola (MC)

A magnitude ML 1.8 earthquake occured in region: 5 km SW Caldarola (MC), on

  • 19-10-2021 11:15:42 (UTC)
  • 19-10-2021 13:15:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1030, 13.1950 at 8 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
Caldarola MC 5 1823 1823
Cessapalombo MC 5 512 2335
Camporotondo di Fiastrone MC 7 563 2898
Belforte del Chienti MC 8 1886 4784
Fiastra MC 8 559 5343
Acquacanina MC 8 121 5464
Serrapetrona MC 8 966 6430
Pievebovigliana MC 10 866 7296
San Ginesio MC 10 3498 10794
Camerino MC 11 6974 17768
Fiordimonte MC 11 202 17970
Sarnano MC 11 3264 21234
Bolognola MC 12 142 21376
Gualdo MC 12 815 22191
Muccia MC 12 915 23106
Pieve Torina MC 13 1458 24564
Tolentino MC 14 20069 44633
San Severino Marche MC 14 12726 57359
Ripe San Ginesio MC 15 852 58211
Colmurano MC 15 1263 59474
Castelraimondo MC 16 4587 64061
Sant'Angelo in Pontano MC 16 1436 65497
Ussita MC 18 444 65941
Urbisaglia MC 18 2628 68569
Gagliole MC 18 620 69189
Amandola FM 19 3629 72818
Pioraco MC 19 1134 73952
Penna San Giovanni MC 19 1108 75060
Loro Piceno MC 19 2401 77461
Monte Cavallo MC 20 145 77606
Serravalle di Chienti MC 20 1070 78676

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
63 Km SW of Ancona (100861 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
65 Km E of Perugia (166134 inhabitants)
75 Km NE of Terni (111501 inhabitants)
84 Km S of Fano (60888 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
93 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 1.8 2021-10-19
11:15:42		 43.1027 13.195 8 2022-03-30
13:04:14		 Bollettino Sismico Italiano INGV 97257821
Reviewed
Rev100 		ML 1.8 2021-10-19
11:15:43		 43.1027 13.1862 5 2021-10-19
11:22:15		 Sala Sismica INGV-Roma 96759231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-19 11:15:42 ± 0.04
Latitude 43.1027 ± 0.0018
Longitude 13.1950 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97257821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 70
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.01259
Epicentral distance of station farthest from the epicenter (degree) 0.64661
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 96759231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-19 11:22:15

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 46
Type of magnitude ML
Reference to an origin 97257821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-04 15:07:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-10-19T11:16:05.37 0.3 undecidable manual S 312 71.7726 50 0.38 62
IV.FRON.EHZ. 2021-10-19T11:16:02.21 0.3 undecidable manual S 321 59.5959 50 0.45 63
IV.AOI.HHE. 2021-10-19T11:16:02.13 0.3 undecidable manual S 33 59.496 50 0.39 64
IV.MOMA.HHZ. 2021-10-19T11:16:02.29 0.3 undecidable manual S 237 60.5949 50 0.27 65
IV.TERO.HHZ. 2021-10-19T11:16:02.64 0.3 undecidable manual S 148 62.7927 50 0.04 68
IV.ATFO.HHZ. 2021-10-19T11:16:01.57 0.3 undecidable manual S 300 58.2972 50 0.17 67
IV.LNSS.HHZ. 2021-10-19T11:16:01.05 0.3 undecidable manual S 193 56.8986 50 0.03 69
IV.MURB.HHZ. 2021-10-19T11:16:01.43 0.3 undecidable manual S 288 57.0984 50 0.35 64
IV.SMA1.EHZ. 2021-10-19T11:16:00.14 0.3 undecidable manual S 168 53.6019 50 -0.01 70
IV.GAVE.EHZ. 2021-10-19T11:15:59.51 0.3 undecidable manual S 208 51.7038 50 -0.13 68
IV.SSFR.HHZ. 2021-10-19T11:15:59.20 0.3 undecidable manual S 318 49.8168 50 0.06 69
IV.ARVD.HHE. 2021-10-19T11:15:58.96 0.6 undecidable manual S 335 48.4182 50 0.19 45
IV.ATCC.EHZ. 2021-10-19T11:15:58.46 0.3 undecidable manual S 282 45.8208 50 0.38 65
IV.ASSB.HHZ. 2021-10-19T11:15:57.50 0.3 undecidable manual S 261 43.9227 50 -0.08 70
IV.MTRA.EHE. 2021-10-19T11:15:56.70 0.3 undecidable manual S 157 41.7249 50 -0.28 67
IV.FOSV.EHZ. 2021-10-19T11:15:56.76 0.3 undecidable manual S 301 41.0256 50 -0.04 71
IV.PIEI.HHZ. 2021-10-19T11:15:55.33 0.1 undecidable manual P 312 71.7726 50 -0.24 86
IV.MPAG.EHZ. 2021-10-19T11:15:54.79 0.3 undecidable manual P 329 68.1762 50 -0.22 65
IV.MURB.HHZ. 2021-10-19T11:15:53.34 0.1 undecidable manual P 288 57.0984 50 0.04 92
IV.TERO.HHZ. 2021-10-19T11:15:53.89 0.1 undecidable manual P 148 62.7927 50 -0.29 86
IV.FRON.EHZ. 2021-10-19T11:15:53.57 0.3 undecidable manual P 321 59.5959 50 -0.13 67
IV.CING.HHZ. 2021-10-19T11:15:53.22 0.3 undecidable manual S 0 30.2475 105 -0.32 68
IV.ATFO.HHZ. 2021-10-19T11:15:53.53 0.3 undecidable manual P 300 58.2972 50 0.04 69
IV.AOI.HHE. 2021-10-19T11:15:53.47 0.1 undecidable manual P 33 59.496 50 -0.21 88
IV.NRCA.HHZ. 2021-10-19T11:15:53.31 0.3 undecidable manual S 192 30.5472 104 -0.33 68
IV.MOMA.HHZ. 2021-10-19T11:15:53.60 0.1 undecidable manual P 237 60.5949 50 -0.25 87
IV.CESI.HHZ. 2021-10-19T11:15:52.50 0.6 undecidable manual S 245 25.9518 107 0.41 45
IV.MF5.EHZ. 2021-10-19T11:15:52.10 0.3 undecidable manual S 121 24.9528 108 0.34 69
IV.ARVD.HHE. 2021-10-19T11:15:52.17 0.1 undecidable manual P 335 48.4182 50 0.2 90
IV.SNTG.HHZ. 2021-10-19T11:15:52.32 0.3 undecidable manual S 309 26.6511 107 0 73
IV.SMA1.EHZ. 2021-10-19T11:15:52.32 0.3 undecidable manual P 168 53.6019 50 -0.45 63
IV.GAVE.EHZ. 2021-10-19T11:15:52.19 0.1 undecidable manual P 208 51.7038 50 -0.28 88
IV.EL6.EHZ. 2021-10-19T11:15:52.10 0.3 undecidable manual S 343 26.2515 107 -0.1 72
IV.SSFR.HHZ. 2021-10-19T11:15:52.13 0.3 undecidable manual P 318 49.8168 50 -0.06 69
IV.LNSS.HHZ. 2021-10-19T11:15:52.98 0.3 undecidable manual P 193 56.8986 50 -0.29 65
IV.OFFI.HHZ. 2021-10-19T11:15:51.79 0.6 undecidable manual P 115 43.9227 50 0.51 42
IV.ATCC.EHZ. 2021-10-19T11:15:51.46 0.3 positive manual P 282 45.8208 50 -0.12 69
IV.MMO1.EHN. 2021-10-19T11:15:51.39 0.6 undecidable manual S 155 24.9528 108 -0.38 45
IV.FOSV.EHZ. 2021-10-19T11:15:50.62 0.3 undecidable manual P 301 41.0256 50 -0.22 68
IT.MTCL.HGZ. 2021-10-19T11:15:50.43 0.6 undecidable manual S 233 19.9689 112 0.31 46
IV.MC2.EHZ. 2021-10-19T11:15:50.74 0.3 undecidable manual S 181 21.2676 110 0.2 71
IV.ASSB.HHZ. 2021-10-19T11:15:50.91 0.3 undecidable manual P 261 43.9227 50 -0.38 66
IV.FEMA.HNE. 2021-10-19T11:15:50.41 0.3 undecidable manual S 217 19.5693 112 0.41 68
IV.MTRA.EHE. 2021-10-19T11:15:50.29 0.1 undecidable manual P 157 41.7249 50 -0.65 81
IV.SAP2.EHZ. 2021-10-19T11:15:49.52 0.3 undecidable manual S 92 16.5723 116 0.47 67
IV.MNTT.EHZ. 2021-10-19T11:15:49.92 0.3 undecidable manual P 98 32.745 104 0.48 65
IV.MML1.EHZ. 2021-10-19T11:15:49.83 0.3 undecidable manual S 274 18.1707 114 0.28 70
IV.NRCA.HHZ. 2021-10-19T11:15:48.86 0.1 undecidable manual P 192 30.5472 104 -0.15 94
IV.CESI.HHZ. 2021-10-19T11:15:48.22 0.1 positive manual P 245 25.9518 107 0.11 96
IV.GUMA.HHZ. 2021-10-19T11:15:48.07 0.3 undecidable manual S 111 12.1767 123 0.35 70
IV.MF5.EHZ. 2021-10-19T11:15:48.25 0.1 negative manual P 121 24.9528 108 0.32 92
IV.SNTG.HHZ. 2021-10-19T11:15:48.08 0.3 undecidable manual P 309 26.6511 107 -0.17 71
IV.CING.HHZ. 2021-10-19T11:15:48.56 0.1 undecidable manual P 0 30.2475 105 -0.39 89
IV.FDMO.HHZ. 2021-10-19T11:15:47.80 0.3 undecidable manual S 230 11.3775 125 0.3 71
IV.EL6.EHZ. 2021-10-19T11:15:47.94 0.1 undecidable manual P 343 26.2515 107 -0.23 93
IV.MDAR.HNZ. 2021-10-19T11:15:47.15 0.3 undecidable manual S 337 10.878 126 -0.19 72
IV.MMO1.EHN. 2021-10-19T11:15:47.53 0.1 undecidable manual P 155 24.9528 108 -0.4 90
IT.MTCL.HGZ. 2021-10-19T11:15:47.07 0.1 undecidable manual P 233 19.9689 112 0.09 97
IV.MC2.EHZ. 2021-10-19T11:15:47.19 0.3 undecidable manual P 181 21.2676 110 -0.03 73
IV.MNTP.HNZ. 2021-10-19T11:15:47.90 0.1 undecidable manual P 80 22.5552 109 0.43 90
IV.FEMA.HNE. 2021-10-19T11:15:46.93 0.1 undecidable manual P 217 19.5693 112 0.02 98
IV.MML1.EHZ. 2021-10-19T11:15:46.84 0.1 positive manual P 274 18.1707 114 0.19 95
IV.SAP2.EHZ. 2021-10-19T11:15:46.69 0.3 undecidable manual P 92 16.5723 116 0.33 70
IV.PF6.EHN. 2021-10-19T11:15:45.12 0.6 undecidable manual S 359 3.8961 154 -0.62 44
IV.FDMO.HHZ. 2021-10-19T11:15:45.66 0.1 positive manual P 230 11.3775 125 0.2 96
IV.MDAR.HNZ. 2021-10-19T11:15:45.40 0.3 undecidable manual P 337 10.878 126 0.03 75
IV.GUMA.HHZ. 2021-10-19T11:15:45.96 0.3 undecidable manual P 111 12.1767 123 0.37 70
IV.CSP1.EHZ. 2021-10-19T11:15:44.20 0.1 undecidable manual P 146 1.3986 170 -0.09 100
IV.PF6.EHN. 2021-10-19T11:15:44.28 0.1 undecidable manual P 359 3.8961 154 -0.17 98
IV.CSP1.EHZ. 2021-10-19T11:15:44.97 0.1 undecidable manual S 146 1.3986 170 -0.5 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.7 0.0006905 1.88 AML other m 2021-10-19T11:15:48.94
IV.FDMO.HHN. ML:1.5 0.0004465 1.22 AML other m 2021-10-19T11:15:48.27
IV.MML1.EHN. ML:1.7 0.0004505 0.22 AML other m 2021-10-19T11:15:50.15
IV.MML1.EHE. ML:1.7 0.0004445 0.86 AML other m 2021-10-19T11:15:50.57
IV.MML1.HNE. ML:1.7 0.00039349999999999997 0.32 AML other m 2021-10-19T11:15:50.56
IV.MML1.HNN. ML:1.8 0.000492 1.32 AML other m 2021-10-19T11:15:50.14
IV.SNTG.HNN. ML:1.8 0.00039850000000000004 0.18 AML other m 2021-10-19T11:15:52.60
IV.SNTG.HHN. ML:1.9 0.000422 0.18 AML other m 2021-10-19T11:15:52.51
IV.EL6.EHE. ML:1.9 0.0005365 1.16 AML other m 2021-10-19T11:15:52.59
IV.MF5.EHN. ML:1.9 0.0004485 0.3 AML other m 2021-10-19T11:15:52.82
IV.CESI.HHN. ML:1.8 0.00037549999999999997 1.4 AML other m 2021-10-19T11:15:52.84
IV.SNTG.HHE. ML:1.6 0.000251 0.6 AML other m 2021-10-19T11:15:52.58
IV.SNTG.HNE. ML:1.7 0.00030700000000000004 0.6 AML other m 2021-10-19T11:15:52.58
IV.MF5.EHE. ML:1.7 0.0002785 0.46 AML other m 2021-10-19T11:15:52.73
IV.CESI.HHE. ML:1.7 0.000303 0.66 AML other m 2021-10-19T11:15:52.64
IV.EL6.EHN. ML:1.9 0.000502 0.4 AML other m 2021-10-19T11:15:53.66
IV.CING.HHN. ML:1.6 0.0001985 1.24 AML other m 2021-10-19T11:15:53.93
IV.CING.HHE. ML:1.7 0.00026450000000000003 0.68 AML other m 2021-10-19T11:15:54.51
IV.NRCA.HHE. ML:2.1 0.000596 0.12 AML other m 2021-10-19T11:15:54.78
IV.NRCA.HHN. ML:2.1 0.000618 0.72 AML other m 2021-10-19T11:15:55.57
IV.FOSV.EHE. ML:1.7 0.00017199999999999998 0.16 AML other m 2021-10-19T11:15:57.36
IV.FOSV.EHN. ML:1.9 0.000265 0.42 AML other m 2021-10-19T11:15:57.22
IV.ASSB.HHN. ML:1.9 0.000264 0.48 AML other m 2021-10-19T11:15:58.32
IV.ATCC.EHN. ML:1.8 0.0001635 0.4 AML other m 2021-10-19T11:15:58.91
IV.ASSB.HHE. ML:1.7 0.00014900000000000002 0.74 AML other m 2021-10-19T11:15:59.29
IV.ATCC.EHE. ML:1.7 0.000147 0.24 AML other m 2021-10-19T11:16:00.15
IV.SMA1.EHN. ML:1.7 0.00011949999999999999 0.46 AML other m 2021-10-19T11:16:00.16
IV.GAVE.EHN. ML:1.9 0.000213 0.2 AML other m 2021-10-19T11:16:00.58
IV.SSFR.HHE. ML:1.9 0.00019800000000000002 0.18 AML other m 2021-10-19T11:16:00.62
IV.GAVE.EHE. ML:1.9 0.00019350000000000001 0.32 AML other m 2021-10-19T11:16:01.42
IV.SSFR.HHN. ML:1.9 0.000191 0.48 AML other m 2021-10-19T11:16:01.99
IV.LNSS.HHE. ML:1.8 0.00014250000000000002 1 AML other m 2021-10-19T11:16:02.64
IV.LNSS.HHN. ML:1.9 0.0001605 0.14 AML other m 2021-10-19T11:16:02.68
IV.OFFI.HHN. ML:1.9 0.000227 0.52 AML other m 2021-10-19T11:16:02.79
IV.OFFI.HHE. ML:1.8 0.00020400000000000003 0.68 AML other m 2021-10-19T11:16:03.31
IV.SMA1.EHE. ML:1.7 0.00011399999999999999 0.18 AML other m 2021-10-19T11:16:03.99
IV.MOMA.HHN. ML:1.7 0.00010180000000000001 1.82 AML other m 2021-10-19T11:16:04.02
IV.FRON.EHE. ML:1.4 0.000054550000000000005 0.14 AML other m 2021-10-19T11:16:04.36
IV.MOMA.HHE. ML:1.6 0.00009055 0.84 AML other m 2021-10-19T11:16:04.74
IV.ATFO.HHE. ML:1.5 0.00006610000000000001 0.42 AML other m 2021-10-19T11:16:04.82
IV.MURB.HHE. ML:2.0 0.0002165 0.3 AML other m 2021-10-19T11:16:05.22
IV.FRON.EHN. ML:1.6 0.00007350000000000001 0.96 AML other m 2021-10-19T11:16:05.24
IV.ATFO.HHN. ML:1.4 0.0000499 1.48 AML other m 2021-10-19T11:16:06.25
IV.MURB.HHN. ML:1.8 0.00013800000000000002 1.2 AML other m 2021-10-19T11:16:06.05
IV.PIEI.HHN. ML:1.5 0.00005015 1.12 AML other m 2021-10-19T11:16:07.11
IV.PIEI.HHE. ML:1.5 0.000050799999999999995 0.92 AML other m 2021-10-19T11:16:07.48
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