Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 26-01-2023 and time 17:41:07 (UTC) in region 2 km NW Pollenza (MC)

A magnitude ML 1.8 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 26-01-2023 17:41:07 (UTC)
  • 26-01-2023 18:41:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2890, 13.3380 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
Appignano MC 9 4213 20234
Macerata MC 10 42473 62707
Tolentino MC 10 20069 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 15 12726 118868
Corridonia MC 15 15430 134298
Loro Piceno MC 15 2401 136699
Belforte del Chienti MC 16 1886 138585
Montefano MC 16 3541 142126
Ripe San Ginesio MC 16 852 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
Montelupone MC 20 3596 165084
Francavilla d'Ete FM 20 964 166048
Morrovalle MC 20 10195 176243
San Ginesio MC 20 3498 179741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 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)
80 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 1.8 2023-01-26
17:41:07		 43.2888 13.3375 9 2024-03-01
17:18:14		 Bollettino Sismico Italiano INGV 120379201
Reviewed
Rev100 		ML 1.8 2023-01-26
17:41:07		 43.2893 13.3332 9 2023-01-26
17:52:34		 Sala Sismica INGV-Roma 113815201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-26 17:41:07 ± 0.06
Latitude 43.2888 ± 0.0027
Longitude 13.3375 ± 0.0049
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 120379201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 413
Semi-minor axis of confidence ellipse (meter) 159
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) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78421
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 120379201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-22 10:16:44

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 113815201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-26 17:52:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHZ. 2023-01-26T17:42:07.49 3.0 undecidable manual Sg 4.9 0
IV.CESI.HHZ. 2023-01-26T17:41:23.25 0.3 undecidable manual S 228 47.1195 50 0.73 59
IV.MC2.EHZ. 2023-01-26T17:41:22.41 0.6 undecidable manual S 196 43.5231 50 0.84 38
IV.MOMA.HHZ. 2023-01-26T17:41:21.49 0.3 undecidable manual P 229 82.251 50 0.08 66
IV.MMO1.EHZ. 2023-01-26T17:41:21.80 0.6 undecidable manual S 181 43.2234 50 0.32 45
IV.RM33.EHZ. 2023-01-26T17:41:21.92 0.3 undecidable manual P 187 87.0462 50 -0.24 63
IV.ARVD.HHZ. 2023-01-26T17:41:20.89 0.3 undecidable manual S 306 39.4272 50 0.41 66
IV.ATVO.HHZ. 2023-01-26T17:41:20.83 0.3 undecidable manual P 278 75.8685 50 0.41 62
IV.TERO.HHZ. 2023-01-26T17:41:20.49 0.3 undecidable manual P 164 76.9674 50 -0.11 66
IV.LNSS.HHZ. 2023-01-26T17:41:20.74 0.3 undecidable manual P 198 79.8645 50 -0.3 63
IV.SMA1.EHZ. 2023-01-26T17:41:19.49 0.3 undecidable manual P 180 73.0713 50 -0.5 61
IV.FDMO.HHZ. 2023-01-26T17:41:19.01 0.3 undecidable manual S 216 34.5432 50 -0.15 71
IV.AOI.HHZ. 2023-01-26T17:41:19.41 0.6 undecidable manual S 36 35.9418 50 -0.14 47
IV.MF5.EHZ. 2023-01-26T17:41:19.93 0.3 undecidable manual S 163 34.8429 50 0.69 61
IV.SNTG.HHZ. 2023-01-26T17:41:18.63 0.3 undecidable manual S 263 32.2455 50 0.07 72
IV.ATFO.HHZ. 2023-01-26T17:41:18.72 0.3 undecidable manual P 278 62.3931 50 0.36 64
IV.FRON.EHZ. 2023-01-26T17:41:17.26 0.3 undecidable manual P 297 55.5 50 -0.02 70
IV.MPAG.EHZ. 2023-01-26T17:41:17.95 0.3 undecidable manual P 309 59.8956 50 -0.03 69
IV.CSP1.EHZ. 2023-01-26T17:41:16.20 0.3 undecidable manual S 206 24.3534 111 0.07 73
IV.GUMA.HHZ. 2023-01-26T17:41:16.69 0.3 undecidable manual S 180 25.0527 110 0.32 70
IV.PP3.EHZ. 2023-01-26T17:41:16.26 0.6 undecidable manual S 66 24.0537 111 0.22 47
IV.MC2.EHZ. 2023-01-26T17:41:15.05 0.1 undecidable manual P 196 43.5231 50 -0.4 88
IV.CESI.HHZ. 2023-01-26T17:41:15.84 0.1 undecidable manual P 228 47.1195 50 -0.16 92
IV.EL6.EHZ. 2023-01-26T17:41:15.00 0.3 undecidable manual S 283 19.5693 115 0.4 69
Y1.T1714.EHZ. 2023-01-26T17:41:15.59 0.6 undecidable manual S 13 21.3675 113 0.41 46
IV.FOSV.EHZ. 2023-01-26T17:41:15.81 0.6 undecidable manual P 271 46.5201 50 -0.1 47
IV.MNTP.HNZ. 2023-01-26T17:41:15.27 0.3 undecidable manual S 148 19.869 115 0.56 66
IV.SAP2.EHZ. 2023-01-26T17:41:15.67 0.3 undecidable manual S 167 21.867 113 0.33 70
IV.PF6.EHZ. 2023-01-26T17:41:14.72 0.3 undecidable manual S 215 20.3685 115 -0.14 73
IV.MF5.EHZ. 2023-01-26T17:41:14.00 0.1 undecidable manual P 163 34.8429 50 -0.1 95
IV.ARVD.HHZ. 2023-01-26T17:41:14.64 0.1 undecidable manual P 306 39.4272 50 -0.18 93
IV.MMO1.EHZ. 2023-01-26T17:41:14.86 0.1 undecidable manual P 181 43.2234 50 -0.54 85
IV.MDAR.HNZ. 2023-01-26T17:41:14.70 0.6 undecidable manual S 236 18.9699 116 0.26 47
IV.AOI.HHZ. 2023-01-26T17:41:13.94 0.3 undecidable manual P 36 35.9418 50 -0.34 68
IV.SNTG.HHZ. 2023-01-26T17:41:13.42 0.1 undecidable manual P 263 32.2455 50 -0.29 92
IV.CING.HHZ. 2023-01-26T17:41:13.58 0.3 undecidable manual S 310 14.9739 122 0.37 70
IV.FDMO.HHZ. 2023-01-26T17:41:13.63 0.1 undecidable manual P 216 34.5432 50 -0.43 89
IV.GUMA.HHZ. 2023-01-26T17:41:12.35 0.1 undecidable manual P 180 25.0527 110 -0.1 97
IV.PP3.EHZ. 2023-01-26T17:41:12.50 0.3 undecidable manual P 66 24.0537 111 0.24 71
IV.CSP1.EHZ. 2023-01-26T17:41:12.05 0.1 undecidable manual P 206 24.3534 111 -0.26 94
Y1.T1714.EHZ. 2023-01-26T17:41:12.19 0.1 undecidable manual P 13 21.3675 113 0.43 91
IV.MNTP.HNZ. 2023-01-26T17:41:11.50 0.1 undecidable manual P 148 19.869 115 0.01 100
IV.MDAR.HNZ. 2023-01-26T17:41:11.37 0.3 undecidable manual P 236 18.9699 116 0.04 74
IV.SAP2.EHZ. 2023-01-26T17:41:11.87 0.1 undecidable manual P 167 21.867 113 0.02 99
IV.PF6.EHZ. 2023-01-26T17:41:11.39 0.1 undecidable manual P 215 20.3685 115 -0.18 96
IV.EL6.EHZ. 2023-01-26T17:41:11.43 0.1 undecidable manual P 283 19.5693 115 0 100
IV.CING.HHZ. 2023-01-26T17:41:10.56 0.1 undecidable manual P 310 14.9739 122 -0.06 100
IV.TRE1.HNZ. 2023-01-26T17:41:09.69 0.3 undecidable manual S 321 3.1968 161 -0.81 61
IV.TRE1.HNZ. 2023-01-26T17:41:08.65 0.1 undecidable manual P 321 3.1968 161 -0.41 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHE. ML:1.6 0.000366 0.26 AML other m 2023-01-26T17:41:13.72
IV.CING.HHN. ML:1.6 0.000441 1.22 AML other m 2023-01-26T17:41:14.29
IV.MNTP.HNN. ML:2.1 0.0010834999999999998 0.12 AML other m 2023-01-26T17:41:15.85
IV.MNTP.HNE. ML:2.4 0.0018549999999999999 0.78 AML other m 2023-01-26T17:41:15.60
IV.CSP1.EHN. ML:1.8 0.00040849999999999995 0.7 AML other m 2023-01-26T17:41:17.41
IV.PP3.EHE. ML:2.2 0.001135 0.42 AML other m 2023-01-26T17:41:19.21
IV.FDMO.HHE. ML:1.7 0.0001875 0.82 AML other m 2023-01-26T17:41:19.40
IV.PP3.EHN. ML:2.2 0.000987 0.68 AML other m 2023-01-26T17:41:19.62
IV.FDMO.HHN. ML:1.5 0.00013800000000000002 0.86 AML other m 2023-01-26T17:41:20.90
IV.MF5.EHN. ML:1.9 0.000305 0.56 AML other m 2023-01-26T17:41:20.70
IV.GUMA.HNE. ML:1.9 0.000465 0.38 AML other m 2023-01-26T17:41:20.98
IV.SNTG.HHE. ML:1.5 0.0001385 1.58 AML other m 2023-01-26T17:41:20.18
IV.GUMA.HNN. ML:1.9 0.00047 0.46 AML other m 2023-01-26T17:41:21.23
IV.MF5.EHE. ML:1.9 0.000319 0.84 AML other m 2023-01-26T17:41:21.09
IV.GUMA.HHE. ML:2.0 0.000637 1.54 AML other m 2023-01-26T17:41:21.99
IV.ARVD.HHN. ML:1.2 0.000055498964999999996 0.0768 AML other m 2023-01-26T17:41:21.59
IV.SNTG.HHN. ML:1.5 0.00014549999999999999 0.18 AML other m 2023-01-26T17:41:21.90
IV.GUMA.HHN. ML:1.8 0.0003635 0.42 AML other m 2023-01-26T17:41:22.27
IV.MMO1.EHE. ML:1.8 0.0001885 0.1 AML other m 2023-01-26T17:41:22.45
IV.MMO1.EHN. ML:1.8 0.00017299999999999998 0.4 AML other m 2023-01-26T17:41:22.50
IV.ARVD.HHE. ML:1.4 0.00008879999999999999 0.52 AML other m 2023-01-26T17:41:24.32
IV.CSP1.EHE. ML:1.8 0.000358 0.62 AML other m 2023-01-26T17:41:24.36
IV.CESI.HHN. ML:1.6 0.0001085 0.54 AML other m 2023-01-26T17:41:24.28
IV.FRON.EHN. ML:1.7 0.00012685 0.64 AML other m 2023-01-26T17:41:26.90
IV.FRON.EHE. ML:1.5 0.0000747 1.14 AML other m 2023-01-26T17:41:27.57
IV.CESI.HHE. ML:1.6 0.00010462023500000001 0.2944 AML other m 2023-01-26T17:41:28.47
IV.SMA1.EHN. ML:2.0 0.00015200000000000004 0.42 AML other m 2023-01-26T17:41:30.90
IV.SMA1.EHE. ML:1.9 0.00012114999999999999 0.52 AML other m 2023-01-26T17:41:33.29
IV.TERO.HHE. ML:1.6 0.00006355 0.64 AML other m 2023-01-26T17:41:33.51
IV.TERO.HHN. ML:2.0 0.00013319999999999999 1.56 AML other m 2023-01-26T17:41:34.00
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