Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-02-2023 and time 17:03:40 (Italy) in region 3 km SE Treia (MC)

A magnitude ML 1.6 earthquake occured in region: 3 km SE Treia (MC), on

  • 03-02-2023 16:03:40 (UTC)
  • 03-02-2023 17:03:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2920, 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
Treia MC 3 9403 9403
Pollenza MC 3 6618 16021
Appignano MC 8 4213 20234
Tolentino MC 10 20069 40303
Macerata MC 10 42473 82776
Urbisaglia MC 11 2628 85404
Montecassiano MC 12 7125 92529
Cingoli MC 13 10352 102881
Petriolo MC 14 1998 104879
San Severino Marche MC 14 12726 117605
Colmurano MC 14 1263 118868
Corridonia MC 15 15430 134298
Loro Piceno MC 16 2401 136699
Belforte del Chienti MC 16 1886 138585
Montefano MC 16 3541 142126
Filottrano AN 16 9499 151625
Ripe San Ginesio MC 17 852 152477
Serrapetrona MC 17 966 153443
Mogliano MC 17 4696 158139
Camporotondo di Fiastrone MC 19 563 158702
Caldarola MC 19 1823 160525
Staffolo AN 20 2253 162778
Apiro MC 20 2280 165058
Massa Fermana FM 20 963 166021

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Ancona (100861 inhabitants)
63 Km NE of Foligno (57155 inhabitants)
66 Km SE of Fano (60888 inhabitants)
77 Km SE of Pesaro (94582 inhabitants)
77 Km NW of Teramo (54892 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 1.6 2023-02-03
16:03:40		 43.2923 13.329 9 2024-03-01
17:17:58		 Bollettino Sismico Italiano INGV 115314421
Reviewed
Rev100 		ML 1.6 2023-02-03
16:03:40		 43.2903 13.3357 9 2023-02-03
16:11:33		 Sala Sismica INGV-Roma 114018151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 16:03:40 ± 0.08
Latitude 43.2923 ± 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 115314421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 501
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 49
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78781
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 115314421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-23 07:44:47

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 114018151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 16:11:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2023-02-03T16:04:09.58 3.0 negative manual P 1.26 0
IV.TERO.HHZ. 2023-02-03T16:04:05.24 0.6 undecidable manual S 163 77.5668 50 0.94 34
IV.SMA1.EHZ. 2023-02-03T16:04:03.76 0.6 undecidable manual S 180 73.4709 50 0.57 40
IV.VVLD.HHZ. 2023-02-03T16:04:03.66 3.0 undecidable manual P -2.78 0
IV.NRCA.HHZ. 2023-02-03T16:03:58.66 0.6 undecidable manual S 199 53.8017 50 0.71 40
7F.SIB3.EHN. 2023-02-03T16:03:56.24 0.3 undecidable manual S 186 46.5201 50 0.22 69
IV.CESI.HHZ. 2023-02-03T16:03:56.70 0.3 undecidable manual S 227 46.9197 50 0.59 63
IV.MC2.EHZ. 2023-02-03T16:03:55.65 0.6 undecidable manual S 195 43.7229 50 0.37 45
IV.RM33.EHZ. 2023-02-03T16:03:55.33 0.3 undecidable manual P 186 87.4458 50 -0.47 61
IV.MMO1.EHZ. 2023-02-03T16:03:55.23 0.6 undecidable manual S 180 43.623 50 0 48
7F.SIB2.EHE. 2023-02-03T16:03:55.66 0.3 undecidable manual S 183 44.5221 50 0.17 70
IV.CAMP.HHZ. 2023-02-03T16:03:54.74 0.3 undecidable manual P 176 84.1491 50 -0.56 59
IV.ATVO.HHZ. 2023-02-03T16:03:54.29 0.3 undecidable manual P 278 75.0693 50 0.39 63
IV.AOI.HHZ. 2023-02-03T16:03:53.12 0.6 undecidable manual S 37 36.0417 50 -0.1 48
IV.TERO.HHZ. 2023-02-03T16:03:53.97 0.3 undecidable manual P 163 77.5668 50 -0.31 64
IV.MNTT.EHE. 2023-02-03T16:03:53.23 0.3 undecidable manual S 140 33.4443 50 0.71 61
IV.MF5.EHZ. 2023-02-03T16:03:53.31 0.3 undecidable manual S 163 35.4423 50 0.26 70
IV.PIEI.HHZ. 2023-02-03T16:03:53.40 0.3 undecidable manual P 293 69.4749 50 0.37 64
IV.MML1.EHZ. 2023-02-03T16:03:53.08 0.6 undecidable manual S 236 35.0427 50 0.13 48
IV.SMA1.EHZ. 2023-02-03T16:03:52.94 0.3 undecidable manual P 180 73.4709 50 -0.7 57
IV.FDMO.HHZ. 2023-02-03T16:03:52.72 0.6 undecidable manual S 215 34.4433 50 -0.08 49
IV.SNTG.HHZ. 2023-02-03T16:03:52.17 0.6 undecidable manual S 263 31.6461 105 0.2 48
IV.MPAG.EHZ. 2023-02-03T16:03:51.82 1.0 undecidable manual P 309 59.1963 50 0.38 22
IV.NRCA.HHZ. 2023-02-03T16:03:50.13 0.1 undecidable manual P 199 53.8017 50 -0.49 86
IV.SSFR.HHZ. 2023-02-03T16:03:50.02 0.3 undecidable manual P 290 46.9197 50 0.47 66
IV.GUMA.HHZ. 2023-02-03T16:03:50.29 0.6 undecidable manual S 179 25.4523 109 0.37 46
IV.CSP1.EHZ. 2023-02-03T16:03:49.61 0.3 undecidable manual S 204 24.4533 109 0.04 75
IV.CESI.HHZ. 2023-02-03T16:03:49.38 0.1 negative manual P 227 46.9197 50 -0.17 93
7F.SIB2.EHE. 2023-02-03T16:03:48.81 0.1 undecidable manual P 183 44.5221 50 -0.38 89
IV.MNTP.HNZ. 2023-02-03T16:03:48.83 0.3 undecidable manual S 147 20.5683 113 0.49 68
IV.MMO1.EHZ. 2023-02-03T16:03:48.50 0.3 undecidable manual P 180 43.623 50 -0.55 64
7F.SIB3.EHN. 2023-02-03T16:03:48.96 0.3 undecidable manual P 186 46.5201 50 -0.54 64
IV.MC2.EHZ. 2023-02-03T16:03:48.66 0.1 undecidable manual P 195 43.7229 50 -0.41 89
IV.SAP2.EHZ. 2023-02-03T16:03:48.97 0.6 undecidable manual S 165 22.4553 111 0.04 50
IV.ARVD.HHE. 2023-02-03T16:03:48.04 0.6 undecidable manual P 306 38.628 50 -0.25 47
IV.FDMO.HHZ. 2023-02-03T16:03:47.17 0.3 undecidable manual P 215 34.4433 50 -0.47 67
IV.SNTG.HHZ. 2023-02-03T16:03:47.10 0.3 undecidable manual P 263 31.6461 105 -0.06 73
IV.MML1.EHZ. 2023-02-03T16:03:47.48 0.3 undecidable manual P 236 35.0427 50 -0.25 70
IV.AOI.HHZ. 2023-02-03T16:03:47.43 0.3 undecidable manual P 37 36.0417 50 -0.46 67
IV.MNTT.EHE. 2023-02-03T16:03:47.63 0.1 undecidable manual P 140 33.4443 50 0.15 96
IV.MF5.EHZ. 2023-02-03T16:03:47.58 0.1 undecidable manual P 163 35.4423 50 -0.2 94
IV.CIMA.HNZ. 2023-02-03T16:03:46.72 0.3 undecidable manual P 87 27.5502 107 0.34 70
IV.CING.HHZ. 2023-02-03T16:03:46.97 0.3 undecidable manual S 311 14.1747 121 0.62 66
IV.PP3.EHZ. 2023-02-03T16:03:46.25 0.1 positive manual P 67 24.5532 109 0.45 91
IV.CSP1.EHZ. 2023-02-03T16:03:45.64 0.3 undecidable manual P 204 24.4533 109 -0.14 73
IV.GUMA.HHZ. 2023-02-03T16:03:45.86 0.6 undecidable manual P 179 25.4523 109 -0.12 49
IV.SAP2.EHZ. 2023-02-03T16:03:45.33 0.1 undecidable manual P 165 22.4553 111 -0.08 99
IV.CING.HHZ. 2023-02-03T16:03:44.11 0.1 undecidable manual P 311 14.1747 121 0.19 98
IV.MNTP.HNZ. 2023-02-03T16:03:44.97 0.1 undecidable manual P 147 20.5683 113 -0.09 99
IV.TRE1.HNZ. 2023-02-03T16:03:43.38 0.3 undecidable manual S 328 2.4975 164 -0.32 73
IV.TRE1.HNZ. 2023-02-03T16:03:42.18 0.1 undecidable manual P 328 2.4975 164 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHE. ML:1.3 0.00022700000000000002 0.24 AML other m 2023-02-03T16:03:47.22
IV.CING.HHN. ML:1.4 0.00026250000000000004 0.24 AML other m 2023-02-03T16:03:47.52
IV.PP3.HNE. ML:1.9 0.00045499999999999995 0.7 AML other m 2023-02-03T16:03:51.46
IV.SNTG.HHE. ML:1.3 0.0000983 0.4 AML other m 2023-02-03T16:03:52.40
IV.FDMO.HHE. ML:1.5 0.00012555 1.2 AML other m 2023-02-03T16:03:53.95
IV.MML1.EHE. ML:1.5 0.0001224 0.22 AML other m 2023-02-03T16:03:53.42
IV.MF5.EHN. ML:1.8 0.000241 0.8 AML other m 2023-02-03T16:03:54.26
IV.GUMA.HHE. ML:1.9 0.00046750000000000003 0.34 AML other m 2023-02-03T16:03:54.55
IV.MF5.EHE. ML:1.7 0.000219 1.14 AML other m 2023-02-03T16:03:54.65
IV.MML1.EHN. ML:1.4 0.00009845000000000001 1.1 AML other m 2023-02-03T16:03:54.89
IV.FDMO.HHN. ML:1.3 0.0000872 0.5 AML other m 2023-02-03T16:03:55.53
IV.SNTG.HHN. ML:1.4 0.00010800000000000001 1.16 AML other m 2023-02-03T16:03:55.90
IV.GUMA.HHN. ML:1.7 0.00028349999999999995 0.34 AML other m 2023-02-03T16:03:55.99
IV.MMO1.EHN. ML:1.5 0.00010535 0.4 AML other m 2023-02-03T16:03:56.05
IV.MMO1.EHE. ML:1.6 0.0001315 0.54 AML other m 2023-02-03T16:03:56.01
IV.CSP1.EHN. ML:1.7 0.0002875 0.56 AML other m 2023-02-03T16:03:56.18
IV.CSP1.EHE. ML:1.6 0.000275 0.52 AML other m 2023-02-03T16:03:57.34
IV.SSFR.HHE. ML:1.7 0.0001365 0.78 AML other m 2023-02-03T16:03:58.20
IV.SSFR.HHN. ML:1.8 0.0001665 0.2 AML other m 2023-02-03T16:03:58.77
IV.PP3.HNN. ML:1.9 0.00048499999999999997 1.44 AML other m 2023-02-03T16:03:59.18
IV.NRCA.HHE. ML:1.9 0.0001905 0.14 AML other m 2023-02-03T16:03:59.63
IV.CESI.HHE. ML:1.5 0.00008450000000000001 0.4 AML other m 2023-02-03T16:03:59.72
IV.CESI.HHN. ML:1.4 0.0000737 0.46 AML other m 2023-02-03T16:04:00.31
IV.NRCA.HHN. ML:1.8 0.0001385 0.16 AML other m 2023-02-03T16:04:00.88
IV.SMA1.EHN. ML:1.8 0.0001071 0.4 AML other m 2023-02-03T16:04:04.14
IV.SMA1.EHE. ML:1.7 0.0000824 0.3 AML other m 2023-02-03T16:04:04.53
IV.PIEI.HHN. ML:1.2 0.00002775 0.42 AML other m 2023-02-03T16:04:06.46
IV.PIEI.HHE. ML:1.4 0.000037900000000000006 1.36 AML other m 2023-02-03T16:04:07.09
IV.TERO.HHE. ML:1.5 0.0000496 0.62 AML other m 2023-02-03T16:04:07.07
IV.TERO.HHN. ML:1.6 0.00005725 0.1 AML other m 2023-02-03T16:04:07.55
IV.CAMP.HHN. ML:1.5 0.00004615 0.72 AML other m 2023-02-03T16:04:07.89
IV.CAMP.HHE. ML:1.8 0.0000804 0.22 AML other m 2023-02-03T16:04:07.68
IV.RM33.EHE. ML:1.6 0.0000447 0.58 AML other m 2023-02-03T16:04:10.50
IV.RM33.EHN. ML:1.6 0.00004305 0.44 AML other m 2023-02-03T16:04:10.35
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