Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 23-02-2023 and time 04:55:52 (UTC) in region 2 km NW Pollenza (MC)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 23-02-2023 04:55:52 (UTC)
  • 23-02-2023 05:55:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2860, 13.3290 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 3 6618 6618
Treia MC 3 9403 16021
Appignano MC 9 4213 20234
Tolentino MC 9 20069 40303
Macerata MC 10 42473 82776
Urbisaglia MC 11 2628 85404
Montecassiano MC 12 7125 92529
Petriolo MC 13 1998 94527
Cingoli MC 13 10352 104879
Colmurano MC 14 1263 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
Serrapetrona MC 16 966 140403
Mogliano MC 17 4696 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
Apiro MC 20 2280 167266

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 1.3 2023-02-23
04:55:52		 43.2858 13.329 9 2024-03-01
17:17:57		 Bollettino Sismico Italiano INGV 115065111
Reviewed
Rev100 		ML 1.3 2023-02-23
04:55:52		 43.2893 13.333 9 2023-02-23
05:03:06		 Sala Sismica INGV-Roma 114723191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-23 04:55:52 ± 0.07
Latitude 43.2858 ± 0.0036
Longitude 13.3290 ± 0.0062
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 115065111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 471
Semi-minor axis of confidence ellipse (meter) 258
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) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.78061
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 51
Type of magnitude ML
Reference to an origin 115065111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-13 16:26:23

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 114723191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-23 05:03:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2023-02-23T04:56:15.61 0.3 undecidable manual S 180 72.6717 50 0.69 57
IV.NRCA.HHZ. 2023-02-23T04:56:10.43 0.3 undecidable manual S 199 53.1024 50 0.74 58
IV.SSFR.HHZ. 2023-02-23T04:56:08.67 0.6 undecidable manual S 291 47.1195 50 0.57 42
IV.CESI.HHZ. 2023-02-23T04:56:08.16 0.3 undecidable manual S 228 46.4202 50 0.27 68
IV.MC2.EHZ. 2023-02-23T04:56:07.45 0.6 undecidable manual S 195 43.0236 50 0.44 44
IV.MOMA.HHZ. 2023-02-23T04:56:07.48 0.3 undecidable manual P 229 81.5517 50 0.67 57
IV.FOSV.EHZ. 2023-02-23T04:56:07.89 0.6 undecidable manual S 271 45.8208 50 0.14 47
IV.RM33.EHZ. 2023-02-23T04:56:07.20 0.3 undecidable manual P 186 86.6466 50 -0.4 61
IV.MMO1.EHZ. 2023-02-23T04:56:06.95 0.6 undecidable manual S 180 42.9237 50 -0.01 48
IV.ARVD.HHZ. 2023-02-23T04:56:06.32 0.3 undecidable manual S 307 39.1275 50 0.37 68
IV.MF5.EHZ. 2023-02-23T04:56:05.22 0.3 undecidable manual S 162 34.743 50 0.44 67
IV.AOI.HHZ. 2023-02-23T04:56:05.09 0.3 undecidable manual S 37 36.6411 50 -0.21 70
IV.SMA1.EHZ. 2023-02-23T04:56:04.85 0.3 undecidable manual P 180 72.6717 50 -0.6 59
IV.ASSB.HHZ. 2023-02-23T04:56:04.13 0.3 undecidable manual P 244 60.5949 50 0.55 62
IV.MML1.EHZ. 2023-02-23T04:56:04.95 0.3 undecidable manual S 237 34.6431 50 0.19 71
IV.PIEI.HHZ. 2023-02-23T04:56:04.93 0.3 undecidable manual P 294 69.6747 50 -0.06 68
IV.FDMO.HHZ. 2023-02-23T04:56:04.28 0.3 undecidable manual S 215 33.8439 50 -0.28 70
IV.MNTT.EHZ. 2023-02-23T04:56:04.69 0.6 undecidable manual S 139 32.9448 50 0.39 45
IV.SNTG.HHZ. 2023-02-23T04:56:03.90 0.3 undecidable manual S 264 31.5462 105 0.04 73
IV.MPAG.EHZ. 2023-02-23T04:56:03.26 0.6 undecidable manual P 310 59.5959 50 -0.17 45
IV.ATFO.HHZ. 2023-02-23T04:56:03.77 0.6 undecidable manual P 279 61.7937 50 0 47
IV.FRON.EHZ. 2023-02-23T04:56:02.57 0.3 undecidable manual P 298 55.0005 50 -0.15 69
IV.FOSV.EHZ. 2023-02-23T04:56:01.04 0.3 undecidable manual P 271 45.8208 50 -0.27 68
IV.GUMA.HHZ. 2023-02-23T04:56:01.89 0.6 undecidable manual S 179 24.753 109 0.28 47
IV.CESI.HHZ. 2023-02-23T04:56:01.15 0.1 undecidable manual P 228 46.4202 50 -0.24 92
Y1.T1714.EHE. 2023-02-23T04:56:01.60 0.3 undecidable manual S 15 21.867 112 0.94 57
IV.SSFR.HHZ. 2023-02-23T04:56:01.34 0.3 undecidable manual P 291 47.1195 50 -0.17 70
IV.NRCA.HHZ. 2023-02-23T04:56:01.87 0.3 undecidable manual P 199 53.1024 50 -0.56 63
IV.CSP1.EHZ. 2023-02-23T04:56:01.53 0.6 undecidable manual S 205 23.754 110 0.25 48
IV.MMO1.EHZ. 2023-02-23T04:56:00.26 0.1 undecidable manual P 180 42.9237 50 -0.59 84
IV.MNTP.HNZ. 2023-02-23T04:56:00.60 0.3 undecidable manual S 145 19.9689 113 0.53 67
IV.MC2.EHZ. 2023-02-23T04:56:00.44 0.3 undecidable manual P 195 43.0236 50 -0.44 66
IV.PF6.EHZ. 2023-02-23T04:56:00.07 0.6 undecidable manual S 214 19.6692 114 0.1 49
IV.AOI.HHZ. 2023-02-23T04:55:59.49 0.3 undecidable manual P 37 36.6411 50 -0.4 67
IV.MNTT.EHZ. 2023-02-23T04:55:59.32 0.1 positive manual P 139 32.9448 50 0.01 98
IV.ARVD.HHZ. 2023-02-23T04:55:59.91 0.1 undecidable manual P 307 39.1275 50 -0.36 90
IV.MML1.EHZ. 2023-02-23T04:55:59.37 0.6 undecidable manual P 237 34.6431 50 -0.22 47
IV.EL6.EHZ. 2023-02-23T04:55:59.94 0.3 undecidable manual S 285 18.9699 114 0.2 73
IV.MF5.EHZ. 2023-02-23T04:55:59.35 0.3 negative manual P 162 34.743 50 -0.25 70
IV.FDMO.HHZ. 2023-02-23T04:55:58.99 0.1 undecidable manual P 215 33.8439 50 -0.47 89
IV.CING.HHZ. 2023-02-23T04:55:58.65 0.6 undecidable manual S 313 14.6742 120 0.24 48
IV.SNTG.HHZ. 2023-02-23T04:55:58.76 0.3 undecidable manual P 264 31.5462 105 -0.3 70
IV.CSP1.EHZ. 2023-02-23T04:55:57.36 0.3 undecidable manual P 205 23.754 110 -0.21 72
IV.GUMA.HHZ. 2023-02-23T04:55:57.65 0.1 undecidable manual P 179 24.753 109 -0.11 98
Y1.T1714.EHE. 2023-02-23T04:55:57.78 0.1 undecidable manual P 15 21.867 112 0.56 88
IV.EL6.EHZ. 2023-02-23T04:55:56.83 0.1 undecidable manual P 285 18.9699 114 0.15 98
IV.PF6.EHZ. 2023-02-23T04:55:56.72 0.1 undecidable manual P 214 19.6692 114 -0.1 99
IV.CING.HHZ. 2023-02-23T04:55:56.00 0.1 positive manual P 313 14.6742 120 0.08 100
IV.MNTP.HNZ. 2023-02-23T04:55:56.92 0.3 undecidable manual P 145 19.9689 113 0.05 75
IV.TRE1.HNZ. 2023-02-23T04:55:55.17 0.3 undecidable manual S 335 3.0969 160 -0.52 70
IV.TRE1.HNZ. 2023-02-23T04:55:54.09 0.1 undecidable manual P 335 3.0969 160 -0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHN. ML:1.2 0.000158 0.34 AML other m 2023-02-23T04:55:59.33
IV.CING.HHE. ML:1.1 0.000117691345 0.16 AML other m 2023-02-23T04:55:59.60
IV.EL6.EHE. ML:1.4 0.00021415 0.66 AML other m 2023-02-23T04:56:00.98
IV.CSP1.EHN. ML:1.4 0.000168 0.14 AML other m 2023-02-23T04:56:02.59
IV.GUMA.HHN. ML:1.4 0.00014954739999999998 0.5824 AML other m 2023-02-23T04:56:03.23
IV.EL6.EHN. ML:1.5 0.000237 0.54 AML other m 2023-02-23T04:56:03.42
IV.SNTG.HHN. ML:1.2 0.0000636 0.6 AML other m 2023-02-23T04:56:04.27
IV.SNTG.HHE. ML:1.0 0.00004265 0.66 AML other m 2023-02-23T04:56:04.42
IV.FDMO.HHE. ML:1.4 0.00011810000000000001 0.16 AML other m 2023-02-23T04:56:04.66
IV.FDMO.HHN. ML:1.2 0.0000679 0.16 AML other m 2023-02-23T04:56:04.69
IV.MML1.EHN. ML:1.4 0.00010700000000000001 0.6 AML other m 2023-02-23T04:56:05.40
IV.MML1.EHE. ML:1.3 0.00009055 0.32 AML other m 2023-02-23T04:56:05.40
IV.MNTT.EHN. ML:1.9 0.00032450000000000003 1.06 AML other m 2023-02-23T04:56:05.41
IV.GUMA.HHE. ML:1.6 0.0002385 0.58 AML other m 2023-02-23T04:56:05.79
IV.MF5.EHE. ML:1.5 0.0001365 0.24 AML other m 2023-02-23T04:56:05.39
IV.MNTT.EHE. ML:1.9 0.000377 0.28 AML other m 2023-02-23T04:56:05.62
IV.GUMA.HNN. ML:1.7 0.000294 0.56 AML other m 2023-02-23T04:56:05.48
IV.MF5.EHN. ML:1.6 0.00017099999999999998 1.18 AML other m 2023-02-23T04:56:05.40
IV.GUMA.HNE. ML:1.6 0.0002365 1.6 AML other m 2023-02-23T04:56:05.19
IV.ARVD.HHN. ML:0.8 0.0000249 0.52 AML other m 2023-02-23T04:56:06.12
IV.AOI.HHE. ML:1.0 0.000041 0.3 AML other m 2023-02-23T04:56:06.71
IV.AOI.HHN. ML:1.1 0.000042999999999999995 1.38 AML other m 2023-02-23T04:56:06.22
IV.CSP1.EHE. ML:1.4 0.0001455 0.4 AML other m 2023-02-23T04:56:07.54
IV.MMO1.EHN. ML:1.3 0.0000649 1.28 AML other m 2023-02-23T04:56:08.11
IV.MMO1.EHE. ML:1.2 0.000049000000000000005 0.54 AML other m 2023-02-23T04:56:08.32
IV.FOSV.EHE. ML:1.1 0.000036450000000000005 0.4 AML other m 2023-02-23T04:56:08.71
IV.MC2.EHN. ML:1.4 0.00007700366 0.2624 AML other m 2023-02-23T04:56:09.17
IV.ARVD.HHE. ML:0.9 0.00002765 0.46 AML other m 2023-02-23T04:56:09.51
IV.CESI.HHN. ML:1.3 0.000062 1.32 AML other m 2023-02-23T04:56:09.12
IV.NRCA.HHE. ML:1.6 0.00008915000000000001 0.48 AML other m 2023-02-23T04:56:11.09
IV.CESI.HHE. ML:1.3 0.00005345 0.48 AML other m 2023-02-23T04:56:11.24
IV.FOSV.EHN. ML:0.8 0.000021499999999999997 0.96 AML other m 2023-02-23T04:56:12.16
IV.SSFR.HHN. ML:1.4 0.0000642 0.18 AML other m 2023-02-23T04:56:12.76
IV.FRON.EHE. ML:1.0 0.0000233 0.18 AML other m 2023-02-23T04:56:13.18
IV.SSFR.HHE. ML:1.3 0.00006104999999999999 0.16 AML other m 2023-02-23T04:56:13.96
IV.ASSB.HHN. ML:1.2 0.000029749700000000004 0.3616 AML other m 2023-02-23T04:56:14.02
IV.NRCA.HHN. ML:1.4 0.0000576 0.12 AML other m 2023-02-23T04:56:14.38
IV.FRON.EHN. ML:1.0 0.000027249999999999998 0.28 AML other m 2023-02-23T04:56:14.55
IV.MPAG.EHN. ML:1.1 0.000022499999999999998 0.34 AML other m 2023-02-23T04:56:14.89
IV.ASSB.HHE. ML:1.3 0.000041349999999999995 0.32 AML other m 2023-02-23T04:56:15.06
IV.MURB.HHE. ML:1.8 0.00010485 0.26 AML other m 2023-02-23T04:56:15.40
IV.MPAG.EHE. ML:0.9 0.0000167 0.26 AML other m 2023-02-23T04:56:15.49
IV.SMA1.EHN. ML:1.5 0.00004775 0.3 AML other m 2023-02-23T04:56:16.19
IV.SMA1.EHE. ML:1.4 0.0000401 0.42 AML other m 2023-02-23T04:56:16.27
IV.MURB.HHN. ML:1.6 0.00007095 0.28 AML other m 2023-02-23T04:56:16.49
IV.PIEI.HHN. ML:1.0 0.00001405 1.02 AML other m 2023-02-23T04:56:16.42
IV.PIEI.HHE. ML:1.1 0.000020799999999999997 0.56 AML other m 2023-02-23T04:56:18.32
IV.MOMA.HHN. ML:1.2 0.00002205 1 AML other m 2023-02-23T04:56:20.53
IV.MOMA.HHE. ML:1.3 0.0000262 0.8 AML other m 2023-02-23T04:56:20.18
IV.RM33.EHN. ML:1.4 0.00003185 1.34 AML other m 2023-02-23T04:56:21.12
IV.RM33.EHE. ML:1.3 0.00002255 0.54 AML other m 2023-02-23T04:56:23.04
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