Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 03-02-2023 and time 23:33:27 (UTC) in region 2 km NW Pollenza (MC)

A magnitude ML 2.1 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 03-02-2023 23:33:27 (UTC)
  • 04-02-2023 00:33:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2810, 13.3320 at 9 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 9 4213 40303
Urbisaglia MC 10 2628 42931
Macerata MC 10 42473 85404
Montecassiano MC 13 7125 92529
Petriolo MC 13 1998 94527
Colmurano MC 13 1263 95790
San Severino Marche MC 14 12726 108516
Cingoli MC 14 10352 118868
Loro Piceno MC 15 2401 121269
Corridonia MC 15 15430 136699
Belforte del Chienti MC 15 1886 138585
Ripe San Ginesio MC 16 852 139437
Mogliano MC 16 4696 144133
Serrapetrona MC 16 966 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 19 963 161488
San Ginesio MC 19 3498 164986
Francavilla d'Ete FM 20 964 165950
Montappone FM 20 1682 167632
Cessapalombo MC 20 512 168144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
62 Km NE of Foligno (57155 inhabitants)
67 Km SE of Fano (60888 inhabitants)
76 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 2.1 2023-02-03
23:33:27		 43.2813 13.3318 9 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115589751
Reviewed
Rev100 		ML 2.1 2023-02-03
23:33:26		 43.2903 13.4403 10 2023-02-03
23:43:13		 Sala Sismica INGV-Roma 114028411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 23:33:27 ± 0.06
Latitude 43.2813 ± 0.0027
Longitude 13.3318 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115589751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 185
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
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) 34
Number of associated phases, regardless of their use for origin computation 83
Number of defining phases 71
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.87414
Number of stations at which the event was observed 56
Number of stations from which data was used for origin computation 45
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 115589751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-23 09:20:51

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 114028411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 23:43:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUORN.HHZ. 2023-02-03T23:35:18.39 3.0 undecidable manual Sn -0.47 0
GU.CANO.HHZ. 2023-02-03T23:35:17.31 3.0 undecidable manual Sn 3.25 0
AC.SRN.HHZ. 2023-02-03T23:35:14.15 3.0 undecidable manual Pg 13.72 0
IV.AGST.EHZ. 2023-02-03T23:35:02.53 3.0 undecidable manual Pn 0.62 0
IV.PAOL.HHZ. 2023-02-03T23:34:43.98 3.0 undecidable manual Sg 1.27 0
IV.SALB.HHZ. 2023-02-03T23:34:38.83 3.0 undecidable manual Pg 5.59 0
CH.FUORN.HHZ. 2023-02-03T23:34:36.97 3.0 positive manual Pg 6.27 0
IV.BDI.HHZ. 2023-02-03T23:34:35.97 3.0 undecidable manual Sn 2.78 0
IV.SGG.HHZ. 2023-02-03T23:34:35.82 3.0 undecidable manual Sg 2.45 0
SI.ROSI.HHZ. 2023-02-03T23:34:30.24 3.0 undecidable manual Pn 0.71 0
IX.SCL3.EHZ.02 2023-02-03T23:34:15.64 3.0 positive manual Pn -3.42 0
MN.TRI.HHZ. 2023-02-03T23:34:05.81 3.0 positive manual Pn -4.27 0
IV.SMA1.EHZ. 2023-02-03T23:33:50.72 0.6 undecidable manual S 180 72.1722 50 0.67 38
IV.PARC.HHZ. 2023-02-03T23:33:45.08 0.3 undecidable manual P 295 97.0251 50 0.62 56
IV.NRCA.HHZ. 2023-02-03T23:33:45.61 0.6 undecidable manual S 200 52.7028 50 0.76 38
IV.ASCOL.EHN. 2023-02-03T23:33:45.32 0.6 undecidable manual S 156 52.1034 50 0.64 40
IV.SSFR.HHZ. 2023-02-03T23:33:43.88 0.6 undecidable manual S 291 47.5191 50 0.42 44
IV.MC2.EHZ. 2023-02-03T23:33:42.59 0.3 undecidable manual S 196 42.624 50 0.44 66
IV.MMO1.EHN. 2023-02-03T23:33:42.41 0.6 undecidable manual S 181 42.4242 50 0.32 45
IV.RM33.EHZ. 2023-02-03T23:33:42.32 0.1 undecidable manual P 186 86.247 50 -0.48 80
7F.SIB2.EHE. 2023-02-03T23:33:42.77 0.3 undecidable manual S 183 43.3233 50 0.43 66
IV.ARVD.HHZ. 2023-02-03T23:33:41.32 0.3 undecidable manual S 308 39.627 50 -0.03 72
IV.CAMP.HHZ. 2023-02-03T23:33:41.72 0.3 undecidable manual P 176 82.9503 50 -0.58 59
IV.NARO.HHZ. 2023-02-03T23:33:41.33 0.3 undecidable manual P 301 70.6737 50 0.92 52
IV.ATPI.EHZ. 2023-02-03T23:33:41.69 0.3 undecidable manual P 284 77.2671 50 0.26 64
IV.ATVO.HHZ. 2023-02-03T23:33:41.36 0.3 undecidable manual P 279 75.4689 50 0.21 65
IV.MML1.HNE. 2023-02-03T23:33:40.10 0.6 undecidable manual S 238 34.5432 50 0.1 48
IV.MNTT.EHE. 2023-02-03T23:33:40.08 0.6 undecidable manual S 139 32.3454 50 0.66 41
IV.MF5.EHN. 2023-02-03T23:33:40.46 0.3 undecidable manual S 162 34.1436 50 0.56 64
IV.SMA1.EHZ. 2023-02-03T23:33:40.03 0.1 undecidable manual P 180 72.1722 50 -0.61 79
IV.AOI.HHZ. 2023-02-03T23:33:40.15 0.3 undecidable manual S 36 36.9297 50 -0.49 66
IV.PIEI.HHZ. 2023-02-03T23:33:40.29 0.3 undecidable manual P 294 70.1742 50 -0.03 68
IV.MURB.HHZ. 2023-02-03T23:33:39.77 0.3 undecidable manual P 268 65.1903 50 0.21 66
IV.SNTG.HHE. 2023-02-03T23:33:39.11 0.6 undecidable manual S 265 31.746 105 -0.1 48
IV.FDMO.HHN. 2023-02-03T23:33:39.70 0.6 undecidable manual S 216 33.6441 50 -0.04 49
IV.ATFO.HHZ. 2023-02-03T23:33:39.20 0.6 undecidable manual P 279 62.0934 50 0.12 45
IV.MPAG.EHZ. 2023-02-03T23:33:38.52 0.3 undecidable manual P 310 60.0954 50 -0.25 66
IV.FRON.EHZ. 2023-02-03T23:33:38.00 0.3 undecidable manual P 298 55.4001 50 -0.06 70
IV.ATCC.EHZ. 2023-02-03T23:33:38.34 0.3 undecidable manual P 259 56.8986 50 0.06 69
IV.NRCA.HHZ. 2023-02-03T23:33:37.17 0.3 undecidable manual P 200 52.7028 50 -0.47 64
Y1.T1714.EHE. 2023-02-03T23:33:37.29 0.6 undecidable manual S 14 22.2555 111 1.2 33
IV.PP3.HNN. 2023-02-03T23:33:37.26 0.6 undecidable manual S 64 24.8529 109 0.34 46
IV.COR1.HNN. 2023-02-03T23:33:37.21 0.3 undecidable manual P 326 47.1195 50 0.43 65
IV.ASCOL.EHN. 2023-02-03T23:33:37.60 0.3 undecidable manual P 156 52.1034 50 0.06 70
IV.CSP1.EHE. 2023-02-03T23:33:36.97 0.6 undecidable manual S 206 23.3544 110 0.52 44
IV.SSFR.HHZ. 2023-02-03T23:33:36.60 0.3 undecidable manual P 291 47.5191 50 -0.24 68
IV.FOSV.EHZ. 2023-02-03T23:33:36.28 0.3 undecidable manual P 272 46.1205 50 -0.34 67
IV.GAG1.HNE. 2023-02-03T23:33:36.37 0.3 undecidable manual S 257 21.867 112 0.41 69
IV.SAP2.EHE. 2023-02-03T23:33:36.00 0.6 undecidable manual S 165 21.1677 112 0.26 47
IV.GUMA.HNN. 2023-02-03T23:33:36.35 0.6 undecidable manual S 179 24.2535 110 -0.38 46
IV.EL6.EHE. 2023-02-03T23:33:35.46 0.3 undecidable manual S 286 19.3695 114 0.32 70
IV.MDAR.HNN. 2023-02-03T23:33:35.14 0.3 undecidable manual S 237 18.1707 116 0.36 70
IV.CADA.HNZ. 2023-02-03T23:33:35.59 0.6 undecidable manual P 105 36.0417 50 0.52 43
7F.SIB2.EHE. 2023-02-03T23:33:35.67 0.3 undecidable manual P 183 43.3233 50 -0.52 64
IV.PCRO.HNE. 2023-02-03T23:33:35.50 0.3 undecidable manual P 24 39.627 50 -0.12 71
IV.ARVD.HHZ. 2023-02-03T23:33:35.11 0.1 undecidable manual P 308 39.627 50 -0.51 87
IV.MC2.EHZ. 2023-02-03T23:33:35.68 0.3 undecidable manual P 196 42.624 50 -0.41 66
Y1.T1742.EHZ. 2023-02-03T23:33:35.87 0.3 undecidable manual P 345 38.5281 50 0.41 67
IV.MMO1.EHN. 2023-02-03T23:33:35.47 0.3 undecidable manual P 181 42.4242 50 -0.58 63
IV.MNTP.HNZ. 2023-02-03T23:33:35.67 0.3 undecidable manual S 145 19.4694 114 0.49 68
7F.SIB1.EHE. 2023-02-03T23:33:35.61 0.1 undecidable manual P 187 43.2234 50 -0.56 85
IV.CING.HNZ. 2023-02-03T23:33:34.03 0.3 undecidable manual S 314 15.1737 120 0.17 73
IV.MF5.EHN. 2023-02-03T23:33:34.51 0.3 undecidable manual P 162 34.1436 50 -0.27 69
IV.PF6.EHN. 2023-02-03T23:33:34.89 0.3 undecidable manual S 215 19.3695 114 -0.28 71
IV.SNTG.HHE. 2023-02-03T23:33:34.06 0.3 undecidable manual P 265 31.746 105 -0.32 69
IV.FDMO.HHN. 2023-02-03T23:33:34.16 0.1 undecidable manual P 216 33.6441 50 -0.54 87
IV.AOI.HHZ. 2023-02-03T23:33:34.48 0.3 undecidable manual P 36 36.9297 50 -0.73 60
IV.MML1.HNE. 2023-02-03T23:33:34.49 0.3 undecidable manual P 238 34.5432 50 -0.35 68
IV.MNTT.EHE. 2023-02-03T23:33:34.51 0.3 undecidable manual P 139 32.3454 50 0 73
IV.CIMA.HNE. 2023-02-03T23:33:33.71 0.3 undecidable manual P 84 27.4503 108 0.15 72
IV.PP3.HNN. 2023-02-03T23:33:33.24 0.1 undecidable manual P 64 24.8529 109 0.18 96
IV.SAP2.EHE. 2023-02-03T23:33:32.38 0.3 undecidable manual P 165 21.1677 112 0 75
IV.MNTP.HNZ. 2023-02-03T23:33:32.01 0.3 undecidable manual P 145 19.4694 114 -0.05 74
IV.GUMA.HNN. 2023-02-03T23:33:32.87 0.3 undecidable manual P 179 24.2535 110 -0.08 73
IV.EL6.EHE. 2023-02-03T23:33:32.05 0.1 undecidable manual P 286 19.3695 114 0.01 100
IV.CSP1.EHE. 2023-02-03T23:33:32.61 0.3 undecidable manual P 206 23.3544 110 -0.18 72
IV.GAG1.HNE. 2023-02-03T23:33:32.74 0.3 undecidable manual P 257 21.867 112 0.24 71
IV.PF6.EHN. 2023-02-03T23:33:32.00 0.3 undecidable manual P 215 19.3695 114 -0.05 74
Y1.T1714.EHE. 2023-02-03T23:33:32.92 0.1 undecidable manual P 14 22.2555 111 0.34 93
IV.MDAR.HNN. 2023-02-03T23:33:31.92 0.3 undecidable manual P 237 18.1707 116 0.1 74
IV.CING.HNZ. 2023-02-03T23:33:31.14 0.1 undecidable manual P 314 15.1737 120 -0.15 98
IV.TRE1.HNE. 2023-02-03T23:33:30.43 0.3 undecidable manual S 335 3.6963 157 -0.63 66
IV.TRE1.HNE. 2023-02-03T23:33:29.22 0.1 undecidable manual P 335 3.6963 157 -0.46 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AOI.HHE. ML:2.0 0.000422 1.16 AML other m 2023-02-03T23:33:40.23
IV.AOI.HHN. ML:2.0 0.0004125 0.32 AML other m 2023-02-03T23:33:41.31
IV.ARVD.HHN. ML:1.7 0.0001595 0.86 AML other m 2023-02-03T23:33:41.50
IV.FOSV.EHE. ML:2.0 0.0003045 0.42 AML other m 2023-02-03T23:33:43.76
IV.FOSV.HNE. ML:2.0 0.00030400000000000007 0.42 AML other m 2023-02-03T23:33:43.97
IV.SSFR.HNN. ML:2.5 0.0008325 0.3 AML other m 2023-02-03T23:33:44.51
IV.ARVD.HHE. ML:1.8 0.000248 0.54 AML other m 2023-02-03T23:33:44.88
IV.SSFR.HHE. ML:2.3 0.0005560000000000001 0.76 AML other m 2023-02-03T23:33:45.26
IV.SSFR.HHN. ML:2.4 0.000722 0.68 AML other m 2023-02-03T23:33:45.82
IV.SSFR.HNE. ML:2.4 0.0007065 0.78 AML other m 2023-02-03T23:33:46.56
IV.FOSV.HNN. ML:2.0 0.00032450000000000003 0.36 AML other m 2023-02-03T23:33:46.47
IV.FOSV.EHN. ML:2.0 0.00029 0.36 AML other m 2023-02-03T23:33:46.47
IV.MPAG.EHE. ML:1.8 0.000121 0.26 AML other m 2023-02-03T23:33:49.50
IV.ATCC.HNN. ML:2.2 0.0003375 1.08 AML other m 2023-02-03T23:33:49.27
IV.MURB.HHN. ML:2.4 0.000531 0.28 AML other m 2023-02-03T23:33:50.41
IV.FRON.EHN. ML:2.0 0.0002455 0.46 AML other m 2023-02-03T23:33:50.41
IV.ATFO.HHN. ML:2.3 0.000374 0.4 AML other m 2023-02-03T23:33:50.72
IV.ATFO.HNN. ML:2.3 0.00035950000000000006 0.4 AML other m 2023-02-03T23:33:50.93
IV.FRON.EHE. ML:2.0 0.0002045 0.3 AML other m 2023-02-03T23:33:50.85
IV.MURB.HNN. ML:2.4 0.00044099999999999993 1.04 AML other m 2023-02-03T23:33:50.41
IV.MURB.HHE. ML:2.4 0.00047299999999999995 1.76 AML other m 2023-02-03T23:33:51.02
IV.MURB.HNE. ML:2.4 0.000504 1.76 AML other m 2023-02-03T23:33:51.03
IV.SMA1.EHN. ML:2.5 0.0004645 0.38 AML other m 2023-02-03T23:33:51.20
IV.MPAG.EHN. ML:1.8 0.00013209999999999999 0.32 AML other m 2023-02-03T23:33:51.72
IV.SMA1.EHE. ML:2.3 0.0003265 0.3 AML other m 2023-02-03T23:33:51.72
IV.ATCC.EHN. ML:2.2 0.00034550000000000005 0.74 AML other m 2023-02-03T23:33:51.58
IV.ATCC.HNE. ML:2.2 0.0003555 1.6 AML other m 2023-02-03T23:33:52.80
IV.ATCC.EHE. ML:2.1 0.00028649999999999997 1.58 AML other m 2023-02-03T23:33:52.82
IV.NARO.HHN. ML:1.8 0.00010039999999999999 0.26 AML other m 2023-02-03T23:33:52.95
IV.NARO.HHE. ML:1.7 0.0000897 0.28 AML other m 2023-02-03T23:33:53.01
IV.ATVO.HHE. ML:2.0 0.000169 0.46 AML other m 2023-02-03T23:33:53.17
IV.PIEI.HHN. ML:1.9 0.0001435 0.16 AML other m 2023-02-03T23:33:53.30
IV.ATVO.HHN. ML:2.0 0.00015 0.44 AML other m 2023-02-03T23:33:53.96
IV.ATPI.EHN. ML:2.0 0.000128 1.6 AML other m 2023-02-03T23:33:54.04
IV.ATFO.HHE. ML:2.2 0.00033150000000000003 0.66 AML other m 2023-02-03T23:33:54.05
IV.ATFO.HNE. ML:2.2 0.00029400000000000004 1.48 AML other m 2023-02-03T23:33:54.05
IV.PIEI.HHE. ML:2.0 0.000176 1.38 AML other m 2023-02-03T23:33:54.83
IV.ATPI.EHE. ML:2.0 0.000147 0.3 AML other m 2023-02-03T23:33:56.01
IV.RM33.EHN. ML:2.2 0.000176 0.4 AML other m 2023-02-03T23:33:56.09
IV.RM33.EHE. ML:2.1 0.0001705 0.28 AML other m 2023-02-03T23:33:58.36
IV.MPAG.HNE. ML:2.8 0.0011979999999999998 1.18 AML other m 2023-02-03T23:34:00.24
IV.MPAG.HNN. ML:2.8 0.0012805 1.14 AML other m 2023-02-03T23:34:00.26
IV.PARC.HHN. ML:1.8 0.00006705 1.04 AML other m 2023-02-03T23:34:00.95
IV.PARC.HHE. ML:1.9 0.00007939999999999999 1.02 AML other m 2023-02-03T23:34:00.22
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