Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 21-02-2023 and time 02:02:41 (Italy) in region 2 km NW Pollenza (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 21-02-2023 01:02:41 (UTC)
  • 21-02-2023 02:02:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2830, 13.3260 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
Urbisaglia MC 10 2628 42931
Macerata MC 11 42473 85404
Montecassiano MC 13 7125 92529
San Severino Marche MC 13 12726 105255
Petriolo MC 13 1998 107253
Colmurano MC 13 1263 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 17 4696 145099
Montefano MC 17 3541 148640
Filottrano AN 17 9499 158139
Camporotondo di Fiastrone MC 17 563 158702
Caldarola MC 18 1823 160525
Massa Fermana FM 19 963 161488
San Ginesio MC 19 3498 164986
Apiro MC 20 2280 167266
Cessapalombo MC 20 512 167778

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)
77 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 1.2 2023-02-21
01:02:41		 43.2828 13.3258 9 2024-03-01
17:17:58		 Bollettino Sismico Italiano INGV 115324001
Reviewed
Rev100 		ML 1.3 2023-02-21
01:02:41		 43.2913 13.3217 8 2023-02-21
01:07:42		 Sala Sismica INGV-Roma 114640881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-21 01:02:41 ± 0.04
Latitude 43.2828 ± 0.0027
Longitude 13.3258 ± 0.0037
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 115324001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 297
Semi-minor axis of confidence ellipse (meter) 186
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77791
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 115324001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-07 23:33:53

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 114640881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-21 01:07:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2023-02-21T01:03:21.77 3.0 undecidable manual Pn 0.31 0
IV.GATE.HHZ. 2023-02-21T01:03:17.09 3.0 positive manual Pn 0.36 0
IV.SFI.EHZ. 2023-02-21T01:03:07.17 3.0 undecidable manual P 2.38 0
IV.RM33.EHZ. 2023-02-21T01:02:56.45 0.6 undecidable manual P 186 86.3469 50 0.07 44
IV.PIEI.HHZ. 2023-02-21T01:02:54.20 0.6 undecidable manual P 294 69.6747 50 0.39 42
IV.TERO.HHZ. 2023-02-21T01:02:54.85 0.6 undecidable manual P 163 76.5678 50 -0.04 45
IV.AOI.HHE. 2023-02-21T01:02:53.96 0.3 undecidable manual S 37 37.0296 50 -0.22 70
IV.FDMO.HHZ. 2023-02-21T01:02:53.18 0.3 undecidable manual S 215 33.4443 50 -0.03 73
IV.SMA1.EHZ. 2023-02-21T01:02:53.96 0.3 undecidable manual P 179 72.372 50 -0.27 65
IV.ATCC.EHZ. 2023-02-21T01:02:52.13 1.0 negative manual P 259 56.499 50 0.35 22
IV.SNTG.HHZ. 2023-02-21T01:02:52.81 0.3 undecidable manual S 264 31.2465 50 0.18 71
IV.MPAG.EHZ. 2023-02-21T01:02:52.48 0.6 undecidable manual P 310 59.5959 50 0.21 45
IV.GUMA.HHZ. 2023-02-21T01:02:51.02 0.3 undecidable manual S 178 24.4533 111 0.52 67
Y1.T1714.EHZ. 2023-02-21T01:02:50.16 0.6 undecidable manual S 15 22.2555 113 0.36 46
IV.CSP1.EHZ. 2023-02-21T01:02:50.25 0.3 undecidable manual S 205 23.3544 112 0.1 73
IV.CESI.HHZ. 2023-02-21T01:02:50.24 0.1 negative manual P 228 45.9207 50 0.08 94
IV.NRCA.HHZ. 2023-02-21T01:02:50.97 0.1 undecidable manual P 199 52.7028 50 -0.23 90
IV.PP3.EHZ. 2023-02-21T01:02:50.96 0.3 undecidable manual S 65 25.1526 110 0.21 71
IV.MC2.EHZ. 2023-02-21T01:02:49.58 1.0 positive manual P 195 42.624 50 -0.07 24
IV.MMO1.EHZ. 2023-02-21T01:02:49.33 0.3 undecidable manual P 180 42.5241 50 -0.3 68
IV.MNTP.HNZ. 2023-02-21T01:02:49.13 0.3 undecidable manual S 144 19.869 115 0.09 74
IV.ARVD.HHZ. 2023-02-21T01:02:49.02 0.1 undecidable manual P 308 39.1275 50 -0.09 95
IV.SAP2.EHZ. 2023-02-21T01:02:49.63 0.3 undecidable manual S 164 21.4674 113 0.08 74
Y1.T1742.EHZ. 2023-02-21T01:02:49.60 0.6 undecidable manual P 345 38.2284 50 0.62 42
IV.MML1.EHZ. 2023-02-21T01:02:48.36 0.3 negative manual P 237 34.2435 50 0 73
IV.AOI.HHE. 2023-02-21T01:02:48.28 0.6 undecidable manual P 37 37.0296 50 -0.51 44
IV.MNTT.EHZ. 2023-02-21T01:02:48.29 0.3 negative manual P 138 32.8449 50 0.16 71
IV.EL6.EHZ. 2023-02-21T01:02:48.72 0.3 undecidable manual S 286 18.87 116 0 75
IV.SNTG.HHZ. 2023-02-21T01:02:47.74 0.3 undecidable manual P 264 31.2465 50 -0.16 71
IV.FDMO.HHZ. 2023-02-21T01:02:47.95 0.3 undecidable manual P 215 33.4443 50 -0.28 69
IV.CING.HHZ. 2023-02-21T01:02:47.49 0.3 undecidable manual S 314 14.7741 122 0.01 76
IV.CSP1.EHZ. 2023-02-21T01:02:46.36 0.3 undecidable manual P 205 23.3544 112 -0.1 73
IV.GUMA.HHZ. 2023-02-21T01:02:46.67 0.1 undecidable manual P 178 24.4533 111 0 99
Y1.T1714.EHZ. 2023-02-21T01:02:46.57 0.1 undecidable manual P 15 22.2555 113 0.31 94
IV.PP3.EHZ. 2023-02-21T01:02:46.82 0.3 undecidable manual P 65 25.1526 110 0.01 74
IV.SAP2.EHZ. 2023-02-21T01:02:46.12 0.6 undecidable manual P 164 21.4674 113 0 50
IV.EL6.EHZ. 2023-02-21T01:02:45.86 0.3 undecidable manual P 286 18.87 116 0.22 72
IV.MNTP.HNZ. 2023-02-21T01:02:45.81 0.1 undecidable manual P 144 19.869 115 -0.02 100
IV.TRE1.HNZ. 2023-02-21T01:02:44.19 0.3 undecidable manual S 342 3.2967 160 -0.67 65
IV.CING.HHZ. 2023-02-21T01:02:44.99 0.1 positive manual P 314 14.7741 122 0.07 100
IV.TRE1.HNZ. 2023-02-21T01:02:43.01 0.1 undecidable manual P 342 3.2967 160 -0.4 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHE. ML:1.0 0.0000986 0.4 AML other m 2023-02-21T01:02:48.31
IV.CING.HHN. ML:1.0 0.00009964999999999998 0.88 AML other m 2023-02-21T01:02:48.42
IV.SNTG.HHN. ML:1.1 0.00005625 0.3 AML other m 2023-02-21T01:02:53.40
IV.CSP1.EHN. ML:1.4 0.000144 0.3 AML other m 2023-02-21T01:02:53.40
IV.CSP1.EHE. ML:1.4 0.0001532 0.36 AML other m 2023-02-21T01:02:53.54
IV.GUMA.HHE. ML:1.5 0.000176 0.36 AML other m 2023-02-21T01:02:53.97
IV.PP3.EHN. ML:1.6 0.000216 0.96 AML other m 2023-02-21T01:02:54.48
IV.FDMO.HHN. ML:0.8 0.0000307 0.56 AML other m 2023-02-21T01:02:54.13
IV.MML1.EHN. ML:1.1 0.0000554 0.66 AML other m 2023-02-21T01:02:54.58
IV.MML1.EHE. ML:1.0 0.00004055 0.28 AML other m 2023-02-21T01:02:54.25
IV.MNTT.EHN. ML:1.9 0.0003235 1.32 AML other m 2023-02-21T01:02:55.75
IV.MNTT.EHE. ML:1.8 0.0002585 0.12 AML other m 2023-02-21T01:02:55.16
IV.SNTG.HHE. ML:0.8 0.000030850000000000004 0.42 AML other m 2023-02-21T01:02:55.58
IV.ARVD.HHN. ML:0.8 0.000021499999999999997 1.46 AML other m 2023-02-21T01:02:56.02
IV.MMO1.EHE. ML:1.4 0.00008080000000000001 0.12 AML other m 2023-02-21T01:02:56.84
IV.GUMA.HHN. ML:1.4 0.000142 0.3 AML other m 2023-02-21T01:02:56.68
IV.PP3.EHE. ML:1.5 0.00020250000000000002 1.06 AML other m 2023-02-21T01:02:56.91
IV.FDMO.HHE. ML:1.0 0.000046949999999999996 0.18 AML other m 2023-02-21T01:02:57.75
IV.ARVD.HHE. ML:0.8 0.0000197 1.34 AML other m 2023-02-21T01:02:58.82
IV.MMO1.EHN. ML:1.2 0.000053099999999999996 0.46 AML other m 2023-02-21T01:02:59.27
IV.CESI.HHN. ML:1.1 0.0000335 0.42 AML other m 2023-02-21T01:02:59.22
IV.NRCA.HHN. ML:1.5 0.0000717 0.18 AML other m 2023-02-21T01:03:01.37
IV.CESI.HHE. ML:1.0 0.00002925 1.52 AML other m 2023-02-21T01:03:02.12
IV.NRCA.HHE. ML:1.6 0.00010685 0.14 AML other m 2023-02-21T01:03:02.59
IV.SMA1.EHN. ML:1.4 0.0000455 0.22 AML other m 2023-02-21T01:03:04.87
IV.SMA1.EHE. ML:1.3 0.0000373 0.2 AML other m 2023-02-21T01:03:05.34
IV.TERO.HHE. ML:1.3 0.00002895 0.12 AML other m 2023-02-21T01:03:07.83
IV.TERO.HHN. ML:1.3 0.00003235000000000001 0.22 AML other m 2023-02-21T01:03:08.36
IV.RM33.EHN. ML:1.2 0.0000223 1.38 AML other m 2023-02-21T01:03:10.83
IV.RM33.EHE. ML:1.2 0.000020499999999999997 0.96 AML other m 2023-02-21T01:03:10.11
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