Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 21-02-2023 and time 04:49:29 (UTC) in region 2 km NW Pollenza (MC)

A magnitude ML 1.6 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 21-02-2023 04:49:29 (UTC)
  • 21-02-2023 05:49:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2800, 13.3260 at 10 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
Urbisaglia MC 10 2628 42931
Macerata MC 11 42473 85404
Montecassiano MC 13 7125 92529
Petriolo MC 13 1998 94527
Colmurano MC 13 1263 95790
San Severino Marche MC 13 12726 108516
Cingoli MC 14 10352 118868
Loro Piceno MC 15 2401 121269
Belforte del Chienti MC 15 1886 123155
Corridonia MC 15 15430 138585
Ripe San Ginesio MC 16 852 139437
Serrapetrona MC 16 966 140403
Mogliano MC 16 4696 145099
Camporotondo di Fiastrone MC 17 563 145662
Montefano MC 17 3541 149203
Filottrano AN 18 9499 158702
Caldarola MC 18 1823 160525
Massa Fermana FM 19 963 161488
San Ginesio MC 19 3498 164986
Cessapalombo MC 20 512 165498
Montappone FM 20 1682 167180
Francavilla d'Ete FM 20 964 168144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 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)
78 Km E of Perugia (166134 inhabitants)
97 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 1.6 2023-02-21
04:49:29		 43.2805 13.3263 10 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115468541
Reviewed
Rev100 		ML 1.6 2023-02-21
04:49:29		 43.2952 13.3308 9 2023-02-21
04:56:08		 Sala Sismica INGV-Roma 114650131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-21 04:49:29 ± 0.04
Latitude 43.2805 ± 0.0018
Longitude 13.3263 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115468541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 251
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 33
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84626
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 43
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 115468541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-17 11:46:03

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 114650131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-21 04:56:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HHZ. 2023-02-21T04:50:44.87 3.0 undecidable manual Sg 5.49 0
IV.CSNT.HHZ. 2023-02-21T04:49:57.15 3.0 positive manual P 1.38 0
IV.GIGS.HHZ. 2023-02-21T04:49:44.96 0.6 undecidable manual P 168 93.9393 50 -0.28 41
IV.CESI.HHZ. 2023-02-21T04:49:44.37 0.3 undecidable manual S 228 45.8208 50 0.22 69
IV.PCRO.HNE. 2023-02-21T04:49:43.04 0.6 undecidable manual S 24 39.9267 50 0.47 44
IT.MTCL.HGZ. 2023-02-21T04:49:43.13 0.3 undecidable manual S 220 41.3253 50 0.17 70
IV.MMO1.EHZ. 2023-02-21T04:49:43.28 0.3 undecidable manual S 180 42.3243 50 0.07 71
IV.RM33.EHZ. 2023-02-21T04:49:43.82 0.1 undecidable manual P 186 86.0472 50 -0.21 85
IV.TERO.HHZ. 2023-02-21T04:49:42.14 0.6 undecidable manual P 163 76.368 50 -0.39 42
IV.ARVD.HHZ. 2023-02-21T04:49:42.52 0.3 undecidable manual S 308 39.3273 50 0.11 71
IV.ATVO.HHZ. 2023-02-21T04:49:42.21 0.6 undecidable manual P 279 75.0693 50 -0.12 44
IV.LNSS.HHZ. 2023-02-21T04:49:42.65 0.6 undecidable manual P 197 78.6657 50 -0.24 43
IV.ATPI.EHZ. 2023-02-21T04:49:42.54 0.6 undecidable manual P 285 76.8675 50 -0.07 45
IV.AOI.HHZ. 2023-02-21T04:49:41.51 0.3 undecidable manual S 36 37.2294 50 -0.35 68
IV.PIEI.HHZ. 2023-02-21T04:49:41.51 0.6 undecidable manual P 294 69.7746 50 0 46
IV.SMA1.EHZ. 2023-02-21T04:49:41.51 0.3 undecidable manual P 179 72.0723 50 -0.37 63
IV.MML1.EHZ. 2023-02-21T04:49:41.20 0.3 undecidable manual S 237 34.1436 50 0.16 71
IV.NARO.HHZ. 2023-02-21T04:49:41.69 0.3 undecidable manual P 302 70.374 50 0.08 67
IV.SNTG.HHZ. 2023-02-21T04:49:40.67 0.3 undecidable manual S 265 31.3464 50 0.4 68
IV.FDMO.HHZ. 2023-02-21T04:49:40.99 0.3 undecidable manual S 216 33.2445 50 0.19 71
IV.MNTT.EHZ. 2023-02-21T04:49:40.87 0.3 undecidable manual S 138 32.5452 50 0.25 70
IV.ATCC.EHZ. 2023-02-21T04:49:39.45 0.1 undecidable manual P 259 56.499 50 -0.02 94
IV.FRON.EHZ. 2023-02-21T04:49:39.24 0.1 undecidable manual P 299 55.1004 50 -0.01 94
IV.MPAG.EHZ. 2023-02-21T04:49:39.89 0.3 undecidable manual P 310 59.7957 50 -0.09 69
IV.NRCA.HHZ. 2023-02-21T04:49:38.69 0.1 negative manual P 199 52.503 50 -0.16 92
IV.CSP1.EHZ. 2023-02-21T04:49:38.28 0.3 undecidable manual S 205 23.1546 113 0.39 69
IV.COR1.HNN. 2023-02-21T04:49:38.21 0.1 undecidable manual P 326 47.0196 50 0.21 92
IV.GUMA.HHZ. 2023-02-21T04:49:38.72 0.3 undecidable manual S 178 24.1536 112 0.49 67
IV.PP3.EHZ. 2023-02-21T04:49:38.70 0.3 undecidable manual S 65 25.2525 111 0.12 73
IV.SAP2.EHZ. 2023-02-21T04:49:37.49 0.3 undecidable manual S 164 21.2676 115 0.2 72
Y1.T1742.EHZ. 2023-02-21T04:49:37.06 0.1 undecidable manual P 345 38.5281 50 0.36 90
IV.FOSV.EHZ. 2023-02-21T04:49:37.48 0.1 undecidable manual P 272 45.7209 50 -0.32 90
7F.SIB3.EHN. 2023-02-21T04:49:37.40 0.1 undecidable manual P 186 45.2214 50 -0.33 90
IV.MC2.EHZ. 2023-02-21T04:49:37.11 0.1 undecidable manual P 195 42.4242 50 -0.19 93
Y1.T1714.EHZ. 2023-02-21T04:49:37.92 0.3 undecidable manual S 15 22.4553 114 0.23 71
7F.SIB2.EHE. 2023-02-21T04:49:37.15 0.1 undecidable manual P 182 43.2234 50 -0.28 91
IV.PCRO.HNE. 2023-02-21T04:49:37.29 0.1 undecidable manual P 24 39.9267 50 0.38 89
IV.CESI.HHZ. 2023-02-21T04:49:37.95 0.3 undecidable manual P 228 45.8208 50 0.12 70
IV.MNTP.HNZ. 2023-02-21T04:49:37.04 0.3 undecidable manual S 144 19.6692 117 0.25 71
IT.MTCL.HGZ. 2023-02-21T04:49:37.20 0.1 undecidable manual P 220 41.3253 50 0.06 95
7F.SIB1.EHE. 2023-02-21T04:49:37.09 0.1 undecidable manual P 186 43.0236 50 -0.31 90
IV.EL6.EHZ. 2023-02-21T04:49:36.91 0.3 undecidable manual S 287 18.9699 117 0.34 70
IV.MML1.EHZ. 2023-02-21T04:49:36.06 0.3 positive manual P 237 34.1436 50 0.04 73
IV.PF6.EHZ. 2023-02-21T04:49:36.84 0.6 undecidable manual S 214 19.0698 117 0.22 48
IV.ARVD.HHZ. 2023-02-21T04:49:36.57 0.1 undecidable manual P 308 39.3273 50 -0.25 92
IV.MMO1.EHZ. 2023-02-21T04:49:36.91 0.1 undecidable manual P 180 42.3243 50 -0.37 89
IV.CADA.HNE. 2023-02-21T04:49:36.83 0.1 undecidable manual P 105 36.4413 50 0.45 88
IV.CIMA.HNZ. 2023-02-21T04:49:35.09 0.1 undecidable manual P 84 27.8499 50 0.03 98
IV.SNTG.HHZ. 2023-02-21T04:49:35.53 0.1 positive manual P 265 31.3464 50 -0.05 97
IV.AOI.HHZ. 2023-02-21T04:49:35.95 0.3 undecidable manual P 36 37.2294 50 -0.55 64
IV.MF5.EHN. 2023-02-21T04:49:35.92 0.1 undecidable manual P 162 34.2435 50 -0.12 95
IV.FDMO.HHZ. 2023-02-21T04:49:35.71 0.3 undecidable manual P 216 33.2445 50 -0.18 71
IV.CING.HHZ. 2023-02-21T04:49:35.40 0.6 undecidable manual S 315 14.9739 123 0.03 50
IV.MNTT.EHZ. 2023-02-21T04:49:35.99 0.1 negative manual P 138 32.5452 50 0.21 94
IV.PP3.EHZ. 2023-02-21T04:49:34.79 0.1 positive manual P 65 25.2525 111 0.18 96
IV.CSP1.EHZ. 2023-02-21T04:49:34.12 0.3 undecidable manual P 205 23.1546 113 -0.09 73
IV.GUMA.HHZ. 2023-02-21T04:49:34.42 0.1 negative manual P 178 24.1536 112 0.02 99
Y1.T1714.EHZ. 2023-02-21T04:49:34.32 0.1 undecidable manual P 15 22.4553 114 0.23 95
IV.MNTP.HNZ. 2023-02-21T04:49:33.44 0.3 undecidable manual P 144 19.6692 117 -0.13 73
IV.EL6.EHZ. 2023-02-21T04:49:33.59 0.3 positive manual P 287 18.9699 117 0.14 73
IV.SAP2.EHZ. 2023-02-21T04:49:33.89 0.1 undecidable manual P 164 21.2676 115 0.03 99
IV.PF6.EHZ. 2023-02-21T04:49:33.46 0.1 undecidable manual P 214 19.0698 117 -0.02 100
IV.CING.HHZ. 2023-02-21T04:49:32.68 0.1 positive manual P 315 14.9739 123 -0.08 100
IV.TRE1.HNZ. 2023-02-21T04:49:32.03 0.3 undecidable manual S 342 3.5964 160 -0.77 63
IV.TRE1.HNZ. 2023-02-21T04:49:30.74 0.1 undecidable manual P 342 3.5964 160 -0.53 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRE1.HNE. ML:2.8 0.010535000000000001 0.48 AML other m 2023-02-21T04:49:32.12
IV.TRE1.HNN. ML:2.6 0.006715 0.32 AML other m 2023-02-21T04:49:32.15
IV.CING.HHN. ML:1.6 0.00036050000000000003 1.16 AML other m 2023-02-21T04:49:35.00
IV.CING.HHE. ML:1.5 0.00033 1.14 AML other m 2023-02-21T04:49:36.84
IV.CSP1.EHE. ML:1.8 0.00035999999999999997 0.46 AML other m 2023-02-21T04:49:38.68
IV.GUMA.HNE. ML:1.8 0.00041900000000000005 0.46 AML other m 2023-02-21T04:49:39.68
IV.EL6.EHN. ML:1.7 0.00039400000000000004 0.98 AML other m 2023-02-21T04:49:40.39
IV.EL6.EHE. ML:1.5 0.0002485 0.3 AML other m 2023-02-21T04:49:40.73
IV.PP3.HNE. ML:1.9 0.0005235000000000001 0.34 AML other m 2023-02-21T04:49:40.68
IV.PP3.EHE. ML:1.9 0.0005265 0.34 AML other m 2023-02-21T04:49:40.85
IV.GUMA.HNN. ML:1.8 0.0003725 0.44 AML other m 2023-02-21T04:49:40.98
IV.SNTG.HHE. ML:1.2 0.00006465 0.56 AML other m 2023-02-21T04:49:41.48
IV.FDMO.HHN. ML:1.6 0.000188 0.16 AML other m 2023-02-21T04:49:41.45
IV.FDMO.HHE. ML:1.8 0.0002915 0.26 AML other m 2023-02-21T04:49:41.49
IV.CSP1.EHN. ML:1.7 0.00035499999999999996 1.52 AML other m 2023-02-21T04:49:41.91
IV.MML1.EHN. ML:1.7 0.0002155 1.36 AML other m 2023-02-21T04:49:41.27
IV.MML1.EHE. ML:1.6 0.00014900000000000002 0.16 AML other m 2023-02-21T04:49:42.24
IV.AOI.HHE. ML:1.6 0.000157 0.9 AML other m 2023-02-21T04:49:42.31
IV.AOI.HHN. ML:1.5 0.00010999999999999999 0.38 AML other m 2023-02-21T04:49:42.63
IV.MNTT.EHN. ML:2.2 0.0007704999999999999 0.66 AML other m 2023-02-21T04:49:42.81
IV.ARVD.HHN. ML:1.2 0.00005605 1.2 AML other m 2023-02-21T04:49:43.04
IV.MNTT.EHE. ML:2.2 0.0006975 1.26 AML other m 2023-02-21T04:49:43.84
IV.GUMA.HHE. ML:1.9 0.0004575 0.76 AML other m 2023-02-21T04:49:43.87
IV.SNTG.HHN. ML:1.3 0.00009345000000000001 1.2 AML other m 2023-02-21T04:49:44.00
IV.MMO1.EHE. ML:1.5 0.00010095000000000001 0.8 AML other m 2023-02-21T04:49:45.51
IV.PP3.HNN. ML:2.1 0.0007224999999999999 0.56 AML other m 2023-02-21T04:49:45.65
IV.PP3.EHN. ML:2.0 0.0006425000000000001 0.58 AML other m 2023-02-21T04:49:45.66
IV.FOSV.EHE. ML:1.2 0.00004285 0.42 AML other m 2023-02-21T04:49:45.51
IV.ARVD.HHE. ML:1.3 0.0000668 0.9 AML other m 2023-02-21T04:49:45.11
IV.CESI.HHN. ML:1.7 0.000142 0.22 AML other m 2023-02-21T04:49:45.96
IV.CESI.HHE. ML:1.6 0.00011085 0.9 AML other m 2023-02-21T04:49:46.36
IV.MMO1.EHN. ML:1.5 0.00009764999999999999 0.3 AML other m 2023-02-21T04:49:47.00
IV.GUMA.HHN. ML:1.6 0.0002755 0.38 AML other m 2023-02-21T04:49:47.50
IV.FRON.EHE. ML:1.4 0.0000557 0.76 AML other m 2023-02-21T04:49:48.87
IV.NRCA.HHN. ML:1.8 0.0001715 0.54 AML other m 2023-02-21T04:49:48.42
IV.NRCA.HHE. ML:2.0 0.0002175 0.12 AML other m 2023-02-21T04:49:48.98
IV.ATCC.EHN. ML:1.4 0.00005885 0.74 AML other m 2023-02-21T04:49:49.13
IV.FOSV.EHN. ML:1.0 0.0000315 0.32 AML other m 2023-02-21T04:49:49.24
IV.ATCC.EHE. ML:1.4 0.0000547 0.64 AML other m 2023-02-21T04:49:49.92
IV.MPAG.EHE. ML:1.4 0.000054 0.64 AML other m 2023-02-21T04:49:51.32
IV.FRON.EHN. ML:1.5 0.00007300000000000001 0.22 AML other m 2023-02-21T04:49:51.26
IV.MPAG.EHN. ML:1.3 0.00004365 0.3 AML other m 2023-02-21T04:49:53.20
IV.SMA1.EHN. ML:1.6 0.000064 0.54 AML other m 2023-02-21T04:49:54.03
IV.NARO.HHE. ML:1.2 0.0000269 0.32 AML other m 2023-02-21T04:49:54.04
IV.PIEI.HHN. ML:1.3 0.000034 1.58 AML other m 2023-02-21T04:49:54.92
IV.SMA1.EHE. ML:1.6 0.0000613 0.52 AML other m 2023-02-21T04:49:54.01
IV.TERO.HHE. ML:1.5 0.0000453 0.12 AML other m 2023-02-21T04:49:55.43
IV.ATVO.HHN. ML:1.2 0.000023800000000000003 1.02 AML other m 2023-02-21T04:49:55.03
IV.PIEI.HHE. ML:1.4 0.00004085 0.16 AML other m 2023-02-21T04:49:55.61
IV.NARO.HHN. ML:1.2 0.000024399999999999997 0.88 AML other m 2023-02-21T04:49:55.22
IV.TERO.HHN. ML:1.5 0.00004995 0.36 AML other m 2023-02-21T04:49:56.07
IV.LNSS.HHN. ML:1.7 0.0000694 1.32 AML other m 2023-02-21T04:49:57.94
IV.ATVO.HHE. ML:1.2 0.0000262 0.3 AML other m 2023-02-21T04:49:57.30
IV.LNSS.HHE. ML:1.7 0.00006405 0.46 AML other m 2023-02-21T04:49:57.45
IV.RM33.EHE. ML:1.6 0.00004875 0.28 AML other m 2023-02-21T04:49:58.44
IV.RM33.EHN. ML:1.6 0.000051750000000000004 0.28 AML other m 2023-02-21T04:49:58.75
IV.GIGS.HHN. ML:1.1 0.000013805 0.46 AML other m 2023-02-21T04:50:01.54
IV.GIGS.HHE. ML:1.1 0.000013899999999999999 0.62 AML other m 2023-02-21T04:50:04.76
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