Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 23-02-2023 and time 17:00:32 (Italy) in region 1 km NW Pollenza (MC)

A magnitude ML 1.7 earthquake occured in region: 1 km NW Pollenza (MC), on

  • 23-02-2023 16:00:32 (UTC)
  • 23-02-2023 17:00:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2800, 13.3390 at 7 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
Pollenza MC 2 6618 6618
Treia MC 4 9403 16021
Tolentino MC 9 20069 36090
Appignano MC 10 4213 40303
Macerata MC 10 42473 82776
Urbisaglia MC 10 2628 85404
Petriolo MC 12 1998 87402
Montecassiano MC 12 7125 94527
Colmurano MC 13 1263 95790
Loro Piceno MC 14 2401 98191
San Severino Marche MC 14 12726 110917
Corridonia MC 14 15430 126347
Cingoli MC 14 10352 136699
Belforte del Chienti MC 15 1886 138585
Ripe San Ginesio MC 15 852 139437
Mogliano MC 16 4696 144133
Serrapetrona MC 17 966 145099
Montefano MC 17 3541 148640
Camporotondo di Fiastrone MC 17 563 149203
Filottrano AN 17 9499 158702
Caldarola MC 18 1823 160525
Massa Fermana FM 18 963 161488
San Ginesio MC 19 3498 164986
Francavilla d'Ete FM 19 964 165950
Montappone FM 19 1682 167632
Montelupone MC 20 3596 171228
Cessapalombo MC 20 512 171740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
63 Km NE of Foligno (57155 inhabitants)
68 Km SE of Fano (60888 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
78 Km SE of Pesaro (94582 inhabitants)
79 Km E of Perugia (166134 inhabitants)
98 Km NE of Terni (111501 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 1.7 2023-02-23
16:00:32		 43.2802 13.339 7 2024-03-01
17:17:58		 Bollettino Sismico Italiano INGV 115140551
Reviewed
Rev100 		ML 1.7 2023-02-23
16:00:31		 43.2868 13.3462 9 2023-02-23
16:15:45		 Sala Sismica INGV-Roma 114736501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-23 16:00:32 ± 0.07
Latitude 43.2802 ± 0.0036
Longitude 13.3390 ± 0.0062
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115140551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 351
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77611
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 115140551
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-09 09:23:34

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 114736501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-23 16:15:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2023-02-23T16:00:59.20 0.6 undecidable manual S 187 86.1471 50 0.89 34
IV.MOMA.HHZ. 2023-02-23T16:00:57.95 0.6 undecidable manual S 230 81.7515 50 0.82 35
IV.TERO.HHZ. 2023-02-23T16:00:56.25 0.6 undecidable manual S 163 76.0683 50 0.64 38
IV.ATVO.HHZ. 2023-02-23T16:00:56.45 0.6 undecidable manual S 279 76.0683 50 0.83 36
IV.SMA1.EHZ. 2023-02-23T16:00:55.11 0.6 undecidable manual S 180 72.0723 50 0.56 40
IV.MPAG.EHZ. 2023-02-23T16:00:52.21 0.6 undecidable manual S 310 60.5949 50 0.71 38
IV.ATFO.HHZ. 2023-02-23T16:00:52.76 0.6 undecidable manual S 279 62.6928 50 0.72 38
IV.ASSB.HHZ. 2023-02-23T16:00:52.02 0.6 undecidable manual S 245 60.9945 50 0.42 43
IV.MGAB.HHZ. 2023-02-23T16:00:52.78 3.0 undecidable manual P 1.77 0
IV.ATCC.EHZ. 2023-02-23T16:00:51.19 0.6 undecidable manual S 260 57.498 50 0.54 41
IV.FRON.EHZ. 2023-02-23T16:00:50.75 0.3 undecidable manual S 298 55.9995 50 0.49 63
IV.NRCA.HHZ. 2023-02-23T16:00:49.99 0.3 undecidable manual S 200 52.8027 50 0.59 62
IV.SSFR.HHZ. 2023-02-23T16:00:48.56 0.3 undecidable manual S 291 48.1185 50 0.4 66
IV.MC2.EHZ. 2023-02-23T16:00:47.00 0.3 undecidable manual S 197 42.624 50 0.3 68
IV.CESI.HHZ. 2023-02-23T16:00:47.87 0.3 undecidable manual S 229 46.62 50 0.13 70
IV.FOSV.EHZ. 2023-02-23T16:00:47.70 0.6 undecidable manual S 272 46.7199 50 -0.07 47
IV.MOMA.HHZ. 2023-02-23T16:00:46.79 0.6 undecidable manual P 230 81.7515 50 0.27 42
IV.ATPI.EHZ. 2023-02-23T16:00:46.27 0.6 undecidable manual P 284 77.8665 50 0.34 42
IV.MMO1.EHZ. 2023-02-23T16:00:46.42 0.6 undecidable manual S 181 42.2244 50 -0.17 46
IV.RM33.EHZ. 2023-02-23T16:00:46.92 0.3 undecidable manual P 187 86.1471 50 -0.28 63
IV.LNSS.HHZ. 2023-02-23T16:00:45.62 0.1 undecidable manual P 198 78.9654 50 -0.47 81
IV.ARVD.HHZ. 2023-02-23T16:00:45.90 0.3 undecidable manual S 307 40.1265 50 -0.13 71
IV.TERO.HHZ. 2023-02-23T16:00:45.33 0.6 undecidable manual P 163 76.0683 50 -0.31 42
IV.ATVO.HHZ. 2023-02-23T16:00:45.51 0.3 undecidable manual P 279 76.0683 50 -0.14 66
IV.MF5.EHZ. 2023-02-23T16:00:44.73 0.3 undecidable manual S 163 33.8439 102 0.67 62
IV.AOI.HHZ. 2023-02-23T16:00:44.59 0.3 undecidable manual S 35 36.741 101 -0.43 67
IV.SMA1.EHZ. 2023-02-23T16:00:44.37 0.1 undecidable manual P 180 72.0723 50 -0.66 77
IV.MURB.HHZ. 2023-02-23T16:00:44.11 0.3 undecidable manual P 269 65.7897 50 0.04 68
IV.MML1.EHZ. 2023-02-23T16:00:44.48 0.3 undecidable manual S 238 35.0427 102 0.04 72
IV.ASSB.HHZ. 2023-02-23T16:00:43.29 0.6 undecidable manual P 245 60.9945 50 -0.04 46
IV.SNTG.HHZ. 2023-02-23T16:00:43.57 0.3 undecidable manual S 265 32.3454 103 0.04 73
IV.FDMO.HHZ. 2023-02-23T16:00:43.80 0.3 undecidable manual S 217 33.8439 102 -0.25 70
IV.ATFO.HHZ. 2023-02-23T16:00:43.23 0.6 undecidable manual P 279 62.6928 50 -0.35 43
IV.FRON.EHZ. 2023-02-23T16:00:42.11 0.1 undecidable manual P 298 55.9995 50 -0.45 85
IV.ATCC.EHZ. 2023-02-23T16:00:42.68 0.3 undecidable manual P 260 57.498 50 -0.1 69
IV.MPAG.EHZ. 2023-02-23T16:00:42.83 0.3 undecidable manual P 310 60.5949 50 -0.44 64
IV.GUMA.HHZ. 2023-02-23T16:00:41.54 0.3 undecidable manual S 181 24.1536 107 0.75 61
IV.NRCA.HHZ. 2023-02-23T16:00:41.41 0.1 undecidable manual P 200 52.8027 50 -0.65 80
IV.PP3.HNN. 2023-02-23T16:00:41.64 0.3 undecidable manual S 64 24.3534 107 0.78 60
IV.FOSV.EHZ. 2023-02-23T16:00:40.63 0.6 undecidable manual P 272 46.7199 50 -0.49 43
Y1.T1714.EHE. 2023-02-23T16:00:40.72 0.6 undecidable manual S 12 22.2555 108 0.54 44
IV.EL6.EHZ. 2023-02-23T16:00:40.00 0.3 undecidable manual S 286 19.9689 110 0.6 65
IV.CESI.HHZ. 2023-02-23T16:00:40.67 0.3 undecidable manual P 229 46.62 50 -0.43 65
IV.CSP1.EHZ. 2023-02-23T16:00:40.95 0.3 undecidable manual S 208 23.5542 107 0.36 69
IV.SSFR.HHZ. 2023-02-23T16:00:40.90 0.3 undecidable manual P 291 48.1185 50 -0.44 65
IV.MMO1.EHZ. 2023-02-23T16:00:39.76 0.3 undecidable manual P 181 42.2244 50 -0.68 61
IV.MC2.EHZ. 2023-02-23T16:00:39.91 0.1 undecidable manual P 197 42.624 50 -0.59 83
IV.AOI.HHZ. 2023-02-23T16:00:39.02 0.3 undecidable manual P 35 36.741 101 -0.51 65
IV.ARVD.HHZ. 2023-02-23T16:00:39.44 0.1 undecidable manual P 307 40.1265 50 -0.67 81
IV.MML1.EHZ. 2023-02-23T16:00:38.75 0.3 undecidable manual P 238 35.0427 102 -0.45 67
IV.CIMA.HNE. 2023-02-23T16:00:38.11 0.1 undecidable manual P 84 26.8509 105 0.5 89
IV.CING.HHZ. 2023-02-23T16:00:38.53 0.3 undecidable manual S 312 15.6732 115 0.48 68
IV.MF5.EHZ. 2023-02-23T16:00:38.80 0.1 undecidable manual P 163 33.8439 102 -0.18 94
IV.SNTG.HHZ. 2023-02-23T16:00:38.27 0.3 undecidable manual P 265 32.3454 103 -0.4 68
IV.FDMO.HHZ. 2023-02-23T16:00:38.47 0.1 undecidable manual P 217 33.8439 102 -0.5 88
IV.GUMA.HHZ. 2023-02-23T16:00:37.15 0.1 undecidable manual P 181 24.1536 107 0.06 98
Y1.T1714.EHE. 2023-02-23T16:00:37.31 0.1 undecidable manual P 12 22.2555 108 0.57 87
IV.PP3.HNN. 2023-02-23T16:00:37.54 0.6 undecidable manual P 64 24.3534 107 0.41 46
IV.CSP1.EHZ. 2023-02-23T16:00:36.86 0.1 undecidable manual P 208 23.5542 107 -0.12 97
IV.EL6.EHZ. 2023-02-23T16:00:36.34 0.1 undecidable manual P 286 19.9689 110 0.05 99
IV.CING.HHZ. 2023-02-23T16:00:35.47 0.1 undecidable manual P 312 15.6732 115 -0.04 100
IV.TRE1.HNZ. 2023-02-23T16:00:34.70 0.1 undecidable manual S 328 3.996 151 -0.25 98
IV.TRE1.HNZ. 2023-02-23T16:00:33.57 0.1 undecidable manual P 328 3.996 151 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRE1.HNE. ML:0.0 0.009233274500000001 0.128 AML other m 2023-02-23T16:00:34.96
IV.CING.HHN. ML:1.6 0.00040649999999999996 1.64 AML other m 2023-02-23T16:00:39.84
IV.CING.HHE. ML:1.6 0.000393 1.68 AML other m 2023-02-23T16:00:39.11
IV.EL6.EHE. ML:1.8 0.0004735 0.64 AML other m 2023-02-23T16:00:40.49
IV.CSP1.EHN. ML:1.8 0.00044599999999999994 0.12 AML other m 2023-02-23T16:00:42.10
IV.GUMA.HHN. ML:1.7 0.00034639675 0.5632 AML other m 2023-02-23T16:00:42.73
IV.EL6.EHN. ML:1.9 0.000622 1.48 AML other m 2023-02-23T16:00:43.94
IV.SNTG.HHN. ML:1.5 0.00014900000000000002 1.38 AML other m 2023-02-23T16:00:43.08
IV.SNTG.HHE. ML:1.4 0.00011249999999999998 1.34 AML other m 2023-02-23T16:00:43.93
IV.FDMO.HHE. ML:1.9 0.00034449999999999997 0.18 AML other m 2023-02-23T16:00:44.17
IV.FDMO.HHN. ML:1.7 0.000209 0.16 AML other m 2023-02-23T16:00:44.20
IV.MML1.EHN. ML:1.8 0.00028349999999999995 0.58 AML other m 2023-02-23T16:00:44.90
IV.MML1.EHE. ML:1.8 0.000246 1.7 AML other m 2023-02-23T16:00:44.91
IV.GUMA.HHE. ML:1.9 0.00048963715 0.2944 AML other m 2023-02-23T16:00:45.29
IV.MF5.EHE. ML:1.9 0.0003275 0.6 AML other m 2023-02-23T16:00:45.31
IV.MF5.EHN. ML:2.0 0.000386 0.84 AML other m 2023-02-23T16:00:45.91
IV.AOI.HHE. ML:1.4 0.000094 0.64 AML other m 2023-02-23T16:00:45.22
IV.AOI.HHN. ML:1.4 0.00009695 0.76 AML other m 2023-02-23T16:00:46.81
IV.CSP1.EHE. ML:1.8 0.0003819302 0.4864 AML other m 2023-02-23T16:00:41.34
IV.ARVD.HHN. ML:1.2 0.00005575 0.64 AML other m 2023-02-23T16:00:47.63
IV.MMO1.EHN. ML:1.6 0.00013450000000000002 0.72 AML other m 2023-02-23T16:00:47.26
IV.MC2.EHN. ML:1.8 0.0002195 1.14 AML other m 2023-02-23T16:00:49.11
IV.ARVD.HHE. ML:1.3 0.000067 0.96 AML other m 2023-02-23T16:00:49.25
IV.CESI.HHN. ML:1.8 0.0001785 0.68 AML other m 2023-02-23T16:00:49.63
IV.MMO1.EHE. ML:1.5 0.0000977 0.82 AML other m 2023-02-23T16:00:49.34
IV.MC2.EHE. ML:1.9 0.0002689 0.84 AML other m 2023-02-23T16:00:50.69
IV.NRCA.HHE. ML:2.0 0.00023150000000000002 0.5 AML other m 2023-02-23T16:00:50.59
IV.CESI.HHE. ML:1.7 0.0001365 0.48 AML other m 2023-02-23T16:00:50.75
IV.SSFR.HHN. ML:1.7 0.0001495 0.42 AML other m 2023-02-23T16:00:52.48
IV.FRON.EHE. ML:1.4 0.00005465000000000001 0.4 AML other m 2023-02-23T16:00:52.79
IV.ASSB.HHN. ML:1.8 0.000127 0.8 AML other m 2023-02-23T16:00:52.54
IV.ASSB.HHE. ML:1.7 0.00010445 0.46 AML other m 2023-02-23T16:00:53.45
IV.SSFR.HHE. ML:1.7 0.0001505 0.18 AML other m 2023-02-23T16:00:53.48
IV.NRCA.HHN. ML:1.8 0.000155 0.12 AML other m 2023-02-23T16:00:53.89
IV.FRON.EHN. ML:1.5 0.00007519999999999998 0.28 AML other m 2023-02-23T16:00:54.06
IV.MPAG.EHN. ML:1.4 0.000056149999999999996 0.34 AML other m 2023-02-23T16:00:54.41
IV.MPAG.EHE. ML:1.3 0.00004495 0.26 AML other m 2023-02-23T16:00:55.00
IV.ATFO.HHN. ML:1.6 0.0000718 0.48 AML other m 2023-02-23T16:00:55.46
IV.SMA1.EHN. ML:1.8 0.00010389999999999999 0.36 AML other m 2023-02-23T16:00:55.70
IV.ATFO.HHE. ML:1.6 0.0000793 1.78 AML other m 2023-02-23T16:00:56.96
IV.TERO.HHE. ML:1.6 0.00006165000000000001 0.78 AML other m 2023-02-23T16:00:57.34
IV.SMA1.EHE. ML:1.8 0.00009245000000000001 0.28 AML other m 2023-02-23T16:00:57.82
IV.TERO.HHN. ML:1.6 0.0000595 0.24 AML other m 2023-02-23T16:00:58.19
IV.LNSS.HHE. ML:1.7 0.00006705 0.14 AML other m 2023-02-23T16:00:59.29
IV.MOMA.HHE. ML:1.6 0.00006120000000000001 0.32 AML other m 2023-02-23T16:00:59.68
IV.MOMA.HHN. ML:1.7 0.00007165 1 AML other m 2023-02-23T16:01:00.54
IV.RM33.EHE. ML:1.6 0.0000513 0.78 AML other m 2023-02-23T16:01:00.86
IV.LNSS.HHN. ML:1.7 0.00006884999999999999 0.16 AML other m 2023-02-23T16:01:00.48
IV.RM33.EHN. ML:1.7 0.0000637 0.24 AML other m 2023-02-23T16:01:00.63
IV.MML1.HNN. ML:1.8 0.00027967995 0.1792 AML other m 2023-02-23T16:00:44.90
IV.FOSV.EHN. ML:1.3 0.000053945395 1.1904 AML other m 2023-02-23T16:00:50.57
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