Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 21-02-2023 and time 01:14:58 (Italy) in region 2 km NW Pollenza (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 21-02-2023 00:14:58 (UTC)
  • 21-02-2023 01:14:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2880, 13.3350 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 3 9403 16021
Appignano MC 9 4213 20234
Tolentino MC 10 20069 40303
Macerata MC 10 42473 82776
Urbisaglia MC 11 2628 85404
Montecassiano MC 12 7125 92529
Petriolo MC 13 1998 94527
Cingoli MC 14 10352 104879
Colmurano MC 14 1263 106142
San Severino Marche MC 14 12726 118868
Corridonia MC 15 15430 134298
Loro Piceno MC 15 2401 136699
Belforte del Chienti MC 16 1886 138585
Ripe San Ginesio MC 16 852 139437
Montefano MC 16 3541 142978
Mogliano MC 16 4696 147674
Filottrano AN 17 9499 157173
Serrapetrona MC 17 966 158139
Camporotondo di Fiastrone MC 18 563 158702
Caldarola MC 19 1823 160525
Massa Fermana FM 19 963 161488
Francavilla d'Ete FM 20 964 162452
Montelupone MC 20 3596 166048
San Ginesio MC 20 3498 169546

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 0.7 2023-02-21
00:14:58		 43.2882 13.3348 10 2024-03-01
17:17:57		 Bollettino Sismico Italiano INGV 114962881
Reviewed
Rev100 		ML 0.7 2023-02-21
00:14:59		 43.2797 13.3227 9 2023-02-21
00:19:08		 Sala Sismica INGV-Roma 114638261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-21 00:14:58 ± 0.06
Latitude 43.2882 ± 0.0036
Longitude 13.3348 ± 0.0049
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 114962881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.48204
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 6
Type of magnitude ML
Reference to an origin 114962881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-03 12:11:31

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 6
Type of magnitude ML
Reference to an origin 114638261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-21 00:19:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-02-21T00:15:14.09 0.3 undecidable manual S 228 46.9197 50 0.28 70
IV.MMO1.EHZ. 2023-02-21T00:15:13.03 0.3 undecidable manual S 181 43.1235 50 0.22 72
IV.ARVD.HHZ. 2023-02-21T00:15:12.09 0.3 undecidable manual S 306 39.3273 50 0.3 71
IV.MF5.EHZ. 2023-02-21T00:15:10.92 0.3 undecidable manual S 163 34.8429 50 0.34 71
IV.SNTG.HHZ. 2023-02-21T00:15:10.01 0.3 undecidable manual S 264 32.0457 50 0.16 74
IV.AOI.HHE. 2023-02-21T00:15:10.91 0.6 undecidable manual S 36 36.1416 50 -0.04 50
IV.FDMO.HHZ. 2023-02-21T00:15:10.38 0.3 undecidable manual S 216 34.3434 50 -0.08 75
IV.MML1.EHZ. 2023-02-21T00:15:10.87 0.3 undecidable manual S 237 35.1426 50 0.19 73
IV.NRCA.HHZ. 2023-02-21T00:15:08.21 0.1 undecidable manual P 200 53.502 50 -0.14 95
IV.PP3.EHZ. 2023-02-21T00:15:08.04 0.3 undecidable manual S 66 24.2535 111 0.5 70
IV.GUMA.HHZ. 2023-02-21T00:15:08.01 0.6 undecidable manual S 180 24.9528 111 0.24 49
IV.CSP1.EHZ. 2023-02-21T00:15:07.73 0.3 undecidable manual S 206 24.1536 111 0.23 74
IV.CESI.HHZ. 2023-02-21T00:15:07.21 0.6 negative manual P 228 46.9197 50 -0.12 48
IV.MC2.EHZ. 2023-02-21T00:15:06.72 0.1 undecidable manual P 196 43.4232 50 -0.08 98
IV.EL6.EHZ. 2023-02-21T00:15:06.32 0.3 undecidable manual S 284 19.3695 116 0.35 73
IV.MMO1.EHZ. 2023-02-21T00:15:06.51 0.1 undecidable manual P 181 43.1235 50 -0.24 95
IV.MNTP.HNZ. 2023-02-21T00:15:06.40 0.3 undecidable manual S 147 19.9689 115 0.25 74
IV.ARVD.HHZ. 2023-02-21T00:15:06.06 0.1 undecidable manual P 306 39.3273 50 -0.11 98
IV.MML1.EHZ. 2023-02-21T00:15:05.26 0.3 undecidable manual P 237 35.1426 50 -0.27 72
IV.MF5.EHZ. 2023-02-21T00:15:05.29 0.3 undecidable manual P 163 34.8429 50 -0.18 73
IV.AOI.HHE. 2023-02-21T00:15:05.33 0.1 undecidable manual P 36 36.1416 50 -0.35 94
IV.FDMO.HHZ. 2023-02-21T00:15:05.08 0.1 undecidable manual P 216 34.3434 50 -0.32 95
IV.CING.HHZ. 2023-02-21T00:15:04.97 0.6 undecidable manual S 311 14.874 123 0.37 49
IV.SNTG.HHZ. 2023-02-21T00:15:04.85 0.3 undecidable manual P 264 32.0457 50 -0.2 73
IV.GUMA.HHZ. 2023-02-21T00:15:03.55 0.3 undecidable manual P 180 24.9528 111 -0.29 73
IV.PF6.EHN. 2023-02-21T00:15:03.25 0.1 undecidable manual P 214 20.1687 115 0.3 98
IV.PP3.EHZ. 2023-02-21T00:15:03.93 0.1 undecidable manual P 66 24.2535 111 0.22 99
Y1.T1714.EHE. 2023-02-21T00:15:03.59 0.1 undecidable manual P 14 21.4674 114 0.4 96
IV.CSP1.EHZ. 2023-02-21T00:15:03.51 0.6 positive manual P 206 24.1536 111 -0.18 50
IV.MNTP.HNZ. 2023-02-21T00:15:02.71 0.1 undecidable manual P 147 19.9689 115 -0.2 100
IV.EL6.EHZ. 2023-02-21T00:15:02.86 0.3 undecidable manual P 284 19.3695 116 0.05 77
IV.TRE1.HNE. 2023-02-21T00:15:01.14 0.6 undecidable manual S 325 3.0969 162 -0.81 43
IV.CING.HHZ. 2023-02-21T00:15:01.87 0.3 undecidable manual P 311 14.874 123 -0.15 76
IV.TRE1.HNE. 2023-02-21T00:14:59.97 0.1 undecidable manual P 325 3.0969 162 -0.52 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHE. ML:0.7 0.0000463 0.7 AML other m 2023-02-21T00:15:05.24
IV.CING.HHN. ML:0.7 0.0000506 0.26 AML other m 2023-02-21T00:15:05.21
IV.MML1.EHE. ML:0.7 0.00001935 0.62 AML other m 2023-02-21T00:15:11.65
IV.MML1.EHN. ML:0.7 0.0000219 0.46 AML other m 2023-02-21T00:15:12.25
IV.ARVD.HHE. ML:0.6 0.000012744999999999999 0.42 AML other m 2023-02-21T00:15:16.65
IV.ARVD.HHN. ML:0.6 0.000014105 0.42 AML other m 2023-02-21T00:15:20.66
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