Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 25-02-2023 and time 23:46:14 (UTC) in region 2 km NW Pollenza (MC)

A magnitude ML 1.8 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 25-02-2023 23:46:14 (UTC)
  • 26-02-2023 00:46:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2840, 13.3310 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 3 9403 16021
Tolentino MC 9 20069 36090
Appignano MC 9 4213 40303
Macerata MC 10 42473 82776
Urbisaglia MC 10 2628 85404
Montecassiano MC 12 7125 92529
Petriolo MC 13 1998 94527
Colmurano MC 13 1263 95790
Cingoli MC 14 10352 106142
San Severino Marche MC 14 12726 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
Filottrano AN 17 9499 158139
Camporotondo di Fiastrone MC 18 563 158702
Caldarola MC 18 1823 160525
Massa Fermana FM 19 963 161488
San Ginesio MC 20 3498 164986
Montappone FM 20 1682 166668
Francavilla d'Ete FM 20 964 167632

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
63 Km NE of Foligno (57155 inhabitants)
67 Km SE of Fano (60888 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
77 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 1.8 2023-02-25
23:46:14		 43.284 13.3307 9 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116432871
Reviewed
Rev100 		ML 1.8 2023-02-25
23:46:14		 43.2922 13.3307 9 2023-02-25
23:56:21		 Sala Sismica INGV-Roma 114811171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-25 23:46:14 ± 0.07
Latitude 43.2840 ± 0.0036
Longitude 13.3307 ± 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 116432871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 381
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
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) 54
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 68
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) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.77881
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 116432871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-07 02:07:11

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 114811171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-25 23:56:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-02-25T23:46:39.41 0.6 undecidable manual S 163 76.6677 50 1.22 30
IV.PIEI.HHZ. 2023-02-25T23:46:37.79 0.6 undecidable manual S 294 69.9744 50 1.39 27
IV.ASSB.HHZ. 2023-02-25T23:46:34.99 0.6 undecidable manual S 244 60.5949 50 1.08 33
IV.NRCA.HHZ. 2023-02-25T23:46:32.78 0.6 undecidable manual S 199 53.0025 50 0.91 36
IV.SSFR.HHZ. 2023-02-25T23:46:31.19 0.6 undecidable manual S 291 47.3193 50 0.82 38
IV.CESI.HHZ. 2023-02-25T23:46:30.94 0.6 undecidable manual S 228 46.3203 50 0.84 37
IV.MC2.EHZ. 2023-02-25T23:46:29.66 0.6 undecidable manual S 196 42.9237 50 0.48 43
IV.MOMA.HHZ. 2023-02-25T23:46:29.15 0.3 undecidable manual P 229 81.4518 50 0.07 66
IV.MMO1.EHZ. 2023-02-25T23:46:29.31 0.6 undecidable manual S 180 42.7239 50 0.19 46
IV.RM33.EHZ. 2023-02-25T23:46:29.50 0.3 undecidable manual P 186 86.4468 50 -0.35 62
IV.ARVD.HHZ. 2023-02-25T23:46:28.63 0.6 undecidable manual S 307 39.3273 50 0.4 44
IV.TERO.HHZ. 2023-02-25T23:46:28.26 0.3 undecidable manual P 163 76.6677 50 -0.07 67
IV.LNSS.HHZ. 2023-02-25T23:46:28.40 0.3 undecidable manual P 197 79.1652 50 -0.32 63
IV.CAMP.HHZ. 2023-02-25T23:46:28.92 0.3 undecidable manual P 176 83.25 50 -0.43 61
IV.NARO.HHZ. 2023-02-25T23:46:27.25 0.3 undecidable manual P 301 70.4739 50 -0.13 67
IV.MNTT.EHZ. 2023-02-25T23:46:27.43 0.6 undecidable manual S 139 32.6451 50 0.99 36
IV.SMA1.EHZ. 2023-02-25T23:46:27.15 0.3 undecidable manual P 180 72.4719 50 -0.54 60
IV.MML1.EHZ. 2023-02-25T23:46:27.22 0.6 undecidable manual S 237 34.6431 50 0.24 46
IV.MF5.EHZ. 2023-02-25T23:46:27.63 0.6 undecidable manual S 162 34.4433 50 0.7 41
IV.AOI.HHZ. 2023-02-25T23:46:27.22 0.6 undecidable manual S 36 36.741 50 -0.32 45
IV.PIEI.HHZ. 2023-02-25T23:46:27.08 0.3 undecidable manual P 294 69.9744 50 -0.22 65
IV.FDMO.HHZ. 2023-02-25T23:46:26.93 0.6 undecidable manual S 216 33.8439 50 0.18 47
IV.SNTG.HHZ. 2023-02-25T23:46:26.26 0.6 undecidable manual S 264 31.6461 50 0.07 48
IV.CIMA.HNZ. 2023-02-25T23:46:25.94 0.6 undecidable manual S 85 27.4503 109 1 36
IV.ASSB.HHZ. 2023-02-25T23:46:25.68 0.3 undecidable manual P 244 60.5949 50 -0.18 67
IV.MTL1.HNZ. 2023-02-25T23:46:25.01 0.3 undecidable manual S 263 26.1516 110 0.53 66
IV.PP3.HNZ. 2023-02-25T23:46:25.24 0.6 undecidable manual S 65 24.753 110 1.2 33
IV.CSP1.EHZ. 2023-02-25T23:46:24.16 0.6 undecidable manual S 206 23.6541 111 0.48 45
IV.COR1.EHZ. 2023-02-25T23:46:24.10 0.1 undecidable manual P 326 46.8198 50 0.36 88
IV.GUMA.HHZ. 2023-02-25T23:46:24.32 0.6 undecidable manual S 179 24.5532 111 0.35 46
Y1.T1714.EHE. 2023-02-25T23:46:24.67 0.6 undecidable manual S 14 22.0668 113 1.52 28
IV.NRCA.HHZ. 2023-02-25T23:46:24.25 0.1 negative manual P 199 53.0025 50 -0.43 86
IV.FRON.EHZ. 2023-02-25T23:46:24.88 0.3 undecidable manual P 298 55.2003 50 -0.15 68
IV.SSFR.HHZ. 2023-02-25T23:46:23.54 0.1 undecidable manual P 291 47.3193 50 -0.28 90
IV.GAG1.HNZ. 2023-02-25T23:46:23.28 0.3 undecidable manual S 257 21.867 113 0.17 72
IV.SAP2.EHE. 2023-02-25T23:46:23.43 0.6 undecidable manual S 165 21.4674 113 0.44 45
IV.CESI.HHZ. 2023-02-25T23:46:23.49 0.1 negative manual P 228 46.3203 50 -0.17 92
IV.FOSV.EHZ. 2023-02-25T23:46:23.36 0.3 undecidable manual P 272 46.0206 50 -0.25 68
IV.EL6.EHZ. 2023-02-25T23:46:22.61 0.3 undecidable manual S 285 19.1697 116 0.36 70
IV.MDAR.HNZ. 2023-02-25T23:46:22.27 0.6 undecidable manual S 236 18.2706 117 0.3 47
IV.PF6.EHN. 2023-02-25T23:46:22.52 0.6 undecidable manual S 214 19.5693 115 0.13 49
IV.ARVD.HHZ. 2023-02-25T23:46:22.16 0.1 undecidable manual P 307 39.3273 50 -0.43 88
IV.MNTP.HNZ. 2023-02-25T23:46:22.80 0.6 undecidable manual S 145 19.7691 115 0.36 46
IV.MC2.EHZ. 2023-02-25T23:46:22.72 0.1 undecidable manual P 196 42.9237 50 -0.41 88
IV.MMO1.EHZ. 2023-02-25T23:46:22.53 0.1 undecidable manual P 180 42.7239 50 -0.57 84
Y1.T1742.HNE. 2023-02-25T23:46:22.80 0.3 undecidable manual P 345 38.2284 50 0.38 67
IV.MNTT.EHZ. 2023-02-25T23:46:21.51 0.1 positive manual P 139 32.6451 50 -0.04 97
IV.MF5.EHZ. 2023-02-25T23:46:21.65 0.1 undecidable manual P 162 34.4433 50 -0.19 94
IV.SNTG.HHZ. 2023-02-25T23:46:21.07 0.1 undecidable manual P 264 31.6461 50 -0.33 91
IV.AOI.HHZ. 2023-02-25T23:46:21.54 0.1 undecidable manual P 36 36.741 50 -0.64 83
IV.FDMO.HHZ. 2023-02-25T23:46:21.29 0.1 negative manual P 216 33.8439 50 -0.44 89
IV.CING.HHZ. 2023-02-25T23:46:21.16 0.3 undecidable manual S 313 14.874 122 0.2 73
IV.MML1.EHZ. 2023-02-25T23:46:21.57 0.1 undecidable manual P 237 34.6431 50 -0.29 92
IV.PP3.HNZ. 2023-02-25T23:46:20.40 0.1 undecidable manual P 65 24.753 110 0.23 95
IV.MTL1.HNZ. 2023-02-25T23:46:20.42 0.3 undecidable manual P 263 26.1516 110 0 74
IV.CIMA.HNZ. 2023-02-25T23:46:20.80 0.1 undecidable manual P 85 27.4503 109 0.12 96
IV.CSP1.EHZ. 2023-02-25T23:46:19.66 0.1 undecidable manual P 206 23.6541 111 -0.29 93
IV.PF6.EHN. 2023-02-25T23:46:19.02 0.1 undecidable manual P 214 19.5693 115 -0.19 96
IV.GUMA.HHZ. 2023-02-25T23:46:19.98 0.1 negative manual P 179 24.5532 111 -0.15 96
IV.MDAR.HNZ. 2023-02-25T23:46:19.16 0.3 undecidable manual P 236 18.2706 117 0.19 72
IV.SAP2.EHE. 2023-02-25T23:46:19.53 0.1 undecidable manual P 165 21.4674 113 -0.03 99
IV.GAG1.HNZ. 2023-02-25T23:46:19.58 0.6 undecidable manual P 257 21.867 113 -0.05 49
IV.EL6.EHZ. 2023-02-25T23:46:19.13 0.1 undecidable manual P 285 19.1697 116 0 100
Y1.T1714.EHE. 2023-02-25T23:46:19.89 0.1 undecidable manual P 14 22.0668 113 0.24 95
IV.MNTP.HNZ. 2023-02-25T23:46:19.01 0.1 undecidable manual P 145 19.7691 115 -0.23 95
IV.CING.HHZ. 2023-02-25T23:46:18.23 0.1 positive manual P 313 14.874 122 -0.16 98
IV.TRE1.HNZ. 2023-02-25T23:46:17.47 0.3 undecidable manual S 334 3.2967 160 -0.81 61
IV.TRE1.HNZ. 2023-02-25T23:46:16.26 0.1 undecidable manual P 334 3.2967 160 -0.58 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHN. ML:1.7 0.0004515 0.1 AML other m 2023-02-25T23:46:21.59
IV.CING.HHE. ML:1.6 0.0003995 0.5 AML other m 2023-02-25T23:46:22.44
IV.GUMA.HNE. ML:2.1 0.000721 0.3 AML other m 2023-02-25T23:46:24.66
IV.GUMA.HHN. ML:2.0 0.0005865 0.38 AML other m 2023-02-25T23:46:24.67
IV.GUMA.HHE. ML:2.0 0.0006760000000000001 0.44 AML other m 2023-02-25T23:46:26.05
IV.SNTG.HHN. ML:1.8 0.0002985 0.52 AML other m 2023-02-25T23:46:26.68
IV.SNTG.HHE. ML:1.3 0.00008805 0.86 AML other m 2023-02-25T23:46:26.55
IV.GUMA.HNN. ML:2.0 0.0006770000000000001 0.5 AML other m 2023-02-25T23:46:27.05
IV.FDMO.HHE. ML:1.5 0.00014299999999999998 0.28 AML other m 2023-02-25T23:46:27.05
IV.MML1.EHN. ML:1.8 0.0002805 0.58 AML other m 2023-02-25T23:46:27.80
IV.MML1.HNN. ML:1.9 0.00030400000000000007 0.58 AML other m 2023-02-25T23:46:27.51
IV.MML1.HNE. ML:1.6 0.00017815 0.16 AML other m 2023-02-25T23:46:27.72
IV.MML1.EHE. ML:1.6 0.0001855 0.16 AML other m 2023-02-25T23:46:27.72
IV.MF5.EHE. ML:2.1 0.0005335 0.28 AML other m 2023-02-25T23:46:27.88
IV.MF5.EHN. ML:2.0 0.00039 0.76 AML other m 2023-02-25T23:46:28.34
IV.AOI.HHE. ML:1.7 0.00018099999999999998 1.1 AML other m 2023-02-25T23:46:28.09
IV.AOI.HHN. ML:1.6 0.000146 0.14 AML other m 2023-02-25T23:46:28.57
IV.MNTT.EHE. ML:2.3 0.0009170000000000001 0.26 AML other m 2023-02-25T23:46:29.50
IV.MMO1.EHE. ML:1.9 0.0002565 1.46 AML other m 2023-02-25T23:46:29.12
IV.MNTT.EHN. ML:2.4 0.00101 0.58 AML other m 2023-02-25T23:46:29.67
IV.MMO1.EHN. ML:1.8 0.0001965 0.44 AML other m 2023-02-25T23:46:30.37
IV.ARVD.HHN. ML:1.4 0.00008555 0.1 AML other m 2023-02-25T23:46:30.22
IV.FDMO.HHN. ML:1.4 0.00011999999999999999 0.16 AML other m 2023-02-25T23:46:31.15
IV.MC2.EHE. ML:2.0 0.0003135 0.42 AML other m 2023-02-25T23:46:31.31
IV.FOSV.EHE. ML:1.4 0.000076 0.32 AML other m 2023-02-25T23:46:31.31
IV.ARVD.HHE. ML:1.4 0.0000829 0.96 AML other m 2023-02-25T23:46:32.50
IV.MC2.EHN. ML:2.1 0.00037 0.18 AML other m 2023-02-25T23:46:32.43
IV.FOSV.EHN. ML:1.6 0.00010635 0.72 AML other m 2023-02-25T23:46:32.12
IV.CESI.HHN. ML:1.7 0.000142 0.42 AML other m 2023-02-25T23:46:32.49
IV.CESI.HHE. ML:1.5 0.0001022 0.34 AML other m 2023-02-25T23:46:32.54
IV.FRON.EHE. ML:1.4 0.0000552 0.72 AML other m 2023-02-25T23:46:34.36
IV.NRCA.HNE. ML:2.0 0.000275 1.46 AML other m 2023-02-25T23:46:34.97
IV.SSFR.HHN. ML:2.1 0.000354 0.18 AML other m 2023-02-25T23:46:34.97
IV.SSFR.HHE. ML:1.9 0.00020600000000000002 0.2 AML other m 2023-02-25T23:46:35.08
IV.NRCA.HNN. ML:2.1 0.00032450000000000003 0.88 AML other m 2023-02-25T23:46:35.57
IV.NRCA.HHE. ML:2.0 0.000234 1.56 AML other m 2023-02-25T23:46:35.91
IV.ASSB.HHE. ML:1.7 0.00009715 0.3 AML other m 2023-02-25T23:46:35.60
IV.NRCA.HHN. ML:1.9 0.000203 0.14 AML other m 2023-02-25T23:46:35.57
IV.ASSB.HHN. ML:1.9 0.0001565 0.4 AML other m 2023-02-25T23:46:35.60
IV.COR1.EHE. ML:1.7 0.0001372 1.26 AML other m 2023-02-25T23:46:35.35
IV.SMA1.EHN. ML:2.0 0.00016499999999999997 0.22 AML other m 2023-02-25T23:46:38.25
IV.SMA1.EHE. ML:2.0 0.0001525 0.28 AML other m 2023-02-25T23:46:38.62
IV.FRON.EHN. ML:1.5 0.0000706 0.58 AML other m 2023-02-25T23:46:38.76
IV.NARO.HHN. ML:1.3 0.0000334 1 AML other m 2023-02-25T23:46:39.70
IV.NARO.HHE. ML:1.4 0.00004085 1.24 AML other m 2023-02-25T23:46:39.09
IV.PIEI.HHE. ML:1.6 0.0000582 0.92 AML other m 2023-02-25T23:46:40.81
IV.COR1.EHN. ML:1.8 0.000191 0.5 AML other m 2023-02-25T23:46:40.45
IV.PIEI.HHN. ML:1.4 0.0000376 0.7 AML other m 2023-02-25T23:46:40.55
IV.TERO.HHE. ML:1.8 0.00008735 0.12 AML other m 2023-02-25T23:46:41.16
IV.LNSS.HHE. ML:1.8 0.00008249999999999999 1.22 AML other m 2023-02-25T23:46:41.79
IV.TERO.HHN. ML:1.8 0.00010600000000000002 1.04 AML other m 2023-02-25T23:46:42.64
IV.LNSS.HHN. ML:1.8 0.00010039999999999999 0.2 AML other m 2023-02-25T23:46:42.40
IV.RM33.EHN. ML:1.8 0.00008555 0.82 AML other m 2023-02-25T23:46:43.43
IV.RM33.EHE. ML:1.8 0.0000687 0.42 AML other m 2023-02-25T23:46:43.47
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