Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 29-01-2023 and time 23:27:40 (UTC) in region 2 km N Gualdo (MC)

A magnitude ML 1.5 earthquake occured in region: 2 km N Gualdo (MC), on

  • 29-01-2023 23:27:40 (UTC)
  • 30-01-2023 00:27:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0900, 13.3390 at 22 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
Gualdo MC 2 815 815
San Ginesio MC 3 3498 4313
Sant'Angelo in Pontano MC 5 1436 5749
Ripe San Ginesio MC 7 852 6601
Sarnano MC 7 3264 9865
Cessapalombo MC 7 512 10377
Camporotondo di Fiastrone MC 8 563 10940
Penna San Giovanni MC 8 1108 12048
Colmurano MC 9 1263 13311
Monte San Martino MC 10 765 14076
Caldarola MC 11 1823 15899
Loro Piceno MC 11 2401 18300
Falerone FM 11 3337 21637
Belforte del Chienti MC 12 1886 23523
Montappone FM 12 1682 25205
Amandola FM 12 3629 28834
Urbisaglia MC 12 2628 31462
Monte Vidon Corrado FM 12 731 32193
Servigliano FM 13 2336 34529
Smerillo FM 13 365 34894
Massa Fermana FM 13 963 35857
Bolognola MC 14 142 35999
Tolentino MC 14 20069 56068
Acquacanina MC 15 121 56189
Montefalcone Appennino FM 15 424 56613
Santa Vittoria in Matenano FM 15 1330 57943
Serrapetrona MC 16 966 58909
Comunanza AP 16 3166 62075
Fiastra MC 16 559 62634
Mogliano MC 16 4696 67330
Monteleone di Fermo FM 16 395 67725
Montefortino FM 16 1178 68903
Belmonte Piceno FM 16 646 69549
Montegiorgio FM 17 6851 76400
Montelparo FM 18 778 77178
Monsampietro Morico FM 18 659 77837
Petriolo MC 18 1998 79835
Force AP 19 1354 81189
Francavilla d'Ete FM 20 964 82153
Pollenza MC 20 6618 88771

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
61 Km S of Ancona (100861 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km NE of Terni (111501 inhabitants)
82 Km N of L'Aquila (69753 inhabitants)
88 Km SE of Fano (60888 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 Km SE of Pesaro (94582 inhabitants)
100 Km NW of Pescara (121014 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 1.5 2023-01-29
23:27:40		 43.0898 13.3388 22 2024-03-01
17:17:56		 Bollettino Sismico Italiano INGV 114847651
Reviewed
Rev100 		ML 1.5 2023-01-29
23:27:41		 43.081 13.3122 22 2023-01-29
23:32:46		 Sala Sismica INGV-Roma 113895031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-29 23:27:40 ± 0.08
Latitude 43.0898 ± 0.0027
Longitude 13.3388 ± 0.0037
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114847651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 327
Semi-minor axis of confidence ellipse (meter) 75
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.58726
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 114847651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-27 09:37:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 113895031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-29 23:32:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-01-29T23:27:59.95 0.3 undecidable manual S 311 59.0964 103 0.42 63
IV.AOI.HHE. 2023-01-29T23:27:58.93 0.6 undecidable manual S 22 55.3002 104 0.39 43
Y1.T1714.EHE. 2023-01-29T23:27:55.76 0.3 undecidable manual S 6 43.1235 109 0.33 66
IV.SNTG.HHZ. 2023-01-29T23:27:54.01 0.3 undecidable manual S 300 37.0296 113 0.09 70
IV.CESI.HHZ. 2023-01-29T23:27:53.96 0.3 undecidable manual S 255 36.4413 113 0.2 69
IV.NRCA.HHZ. 2023-01-29T23:27:53.24 0.3 undecidable manual S 213 33.744 115 0.13 70
IV.CING.HHZ. 2023-01-29T23:27:53.04 0.3 undecidable manual S 340 33.744 115 -0.07 71
IV.RM33.EHZ. 2023-01-29T23:27:52.93 0.3 undecidable manual P 189 65.1903 102 0.33 64
IT.MTCL.HGZ. 2023-01-29T23:27:52.48 0.6 undecidable manual S 249 29.5482 119 0.38 45
IV.AOI.HHE. 2023-01-29T23:27:51.37 0.6 undecidable manual P 22 55.3002 104 0.26 44
IV.FEMA.HNZ. 2023-01-29T23:27:51.87 0.3 undecidable manual S 239 27.3504 122 0.25 69
IV.MC2.EHZ. 2023-01-29T23:27:51.10 0.3 undecidable manual S 212 23.2545 127 0.41 67
IV.SSFR.HHZ. 2023-01-29T23:27:51.43 0.3 undecidable manual P 311 59.0964 103 -0.25 65
IV.FDMO.HHZ. 2023-01-29T23:27:50.27 0.3 undecidable manual S 254 21.2676 130 0 73
IV.MNTT.EHZ. 2023-01-29T23:27:50.48 0.6 undecidable manual S 98 21.0678 130 0.24 47
7F.SIB1.EHZ. 2023-01-29T23:27:50.79 0.3 undecidable manual S 194 22.3554 128 0.28 69
7F.SIB2.EHZ. 2023-01-29T23:27:50.27 0.3 undecidable manual S 187 22.2555 128 -0.21 70
IV.MMO1.HNZ. 2023-01-29T23:27:50.22 0.6 undecidable manual S 183 21.1677 130 -0.04 49
7F.SIB3.EHZ. 2023-01-29T23:27:50.81 0.3 undecidable manual S 193 24.4533 125 -0.15 71
Y1.T1714.EHE. 2023-01-29T23:27:49.38 0.1 undecidable manual P 6 43.1235 109 0.07 93
IV.MF5.EHZ. 2023-01-29T23:27:49.40 0.3 undecidable manual S 139 14.9739 141 0.3 70
IV.PF6.EHZ. 2023-01-29T23:27:48.49 0.3 undecidable manual S 295 12.876 146 -0.27 71
IV.SNTG.HHZ. 2023-01-29T23:27:48.21 0.3 undecidable manual P 300 37.0296 113 -0.22 68
IV.CESI.HHZ. 2023-01-29T23:27:48.33 0.3 undecidable manual P 255 36.4413 113 -0.02 71
IV.CSP1.EHZ. 2023-01-29T23:27:48.41 0.3 undecidable manual S 271 10.878 150 -0.07 74
IT.MTCL.HGZ. 2023-01-29T23:27:47.46 0.1 undecidable manual P 249 29.5482 119 0.07 95
IV.NRCA.HHZ. 2023-01-29T23:27:47.92 0.1 positive manual P 213 33.744 115 -0.05 95
IV.SAP2.EHZ. 2023-01-29T23:27:47.87 0.3 undecidable manual S 81 4.995 166 -0.01 76
IV.CING.HHZ. 2023-01-29T23:27:47.69 0.3 undecidable manual P 340 33.744 115 -0.28 68
IV.EL6.EHZ. 2023-01-29T23:27:47.66 0.1 undecidable manual P 324 32.745 116 -0.18 93
IV.GUMA.HHZ. 2023-01-29T23:27:47.80 0.3 undecidable manual S 186 2.997 171 0.02 75
IV.FEMA.HNZ. 2023-01-29T23:27:47.14 0.1 undecidable manual P 239 27.3504 122 0.03 97
IV.MC2.EHZ. 2023-01-29T23:27:46.62 0.1 undecidable manual P 212 23.2545 127 0.04 97
IV.MMO1.HNZ. 2023-01-29T23:27:46.13 0.3 undecidable manual P 183 21.1677 130 -0.19 71
7F.SIB3.EHZ. 2023-01-29T23:27:46.52 0.3 undecidable manual P 193 24.4533 125 -0.21 70
IV.FDMO.HHZ. 2023-01-29T23:27:46.22 0.1 undecidable manual P 254 21.2676 130 -0.12 96
IV.MNTT.EHZ. 2023-01-29T23:27:46.52 0.1 negative manual P 98 21.0678 130 0.21 94
7F.SIB1.EHZ. 2023-01-29T23:27:46.38 0.3 undecidable manual P 194 22.3554 128 -0.09 72
7F.SIB2.EHZ. 2023-01-29T23:27:46.17 0.1 undecidable manual P 187 22.2555 128 -0.28 92
IV.CSP1.EHZ. 2023-01-29T23:27:45.19 0.3 undecidable manual P 271 10.878 150 -0.11 73
IV.MF5.EHZ. 2023-01-29T23:27:45.67 0.3 undecidable manual P 139 14.9739 141 0.01 74
IV.PF6.EHZ. 2023-01-29T23:27:45.22 0.1 undecidable manual P 295 12.876 146 -0.24 95
IV.GUMA.HHZ. 2023-01-29T23:27:44.83 0.1 negative manual P 186 2.997 171 -0.07 100
IV.SAP2.EHZ. 2023-01-29T23:27:44.61 0.1 undecidable manual P 81 4.995 166 -0.34 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.7 0.000352 0.3 AML other m 2023-01-29T23:27:48.02
IV.GUMA.HHN. ML:1.5 0.00022549999999999998 0.3 AML other m 2023-01-29T23:27:48.23
IV.FDMO.HHE. ML:1.2 0.0000831 0.56 AML other m 2023-01-29T23:27:50.50
IV.FDMO.HHN. ML:1.2 0.00008845 0.4 AML other m 2023-01-29T23:27:50.61
IV.MNTT.EHN. ML:1.8 0.0003615 0.64 AML other m 2023-01-29T23:27:51.44
IV.MNTT.EHE. ML:1.7 0.0002575 0.2 AML other m 2023-01-29T23:27:52.25
IV.CING.HHN. ML:1.3 0.00006500000000000001 0.1 AML other m 2023-01-29T23:27:53.44
IV.CING.HHE. ML:1.4 0.00008175000000000001 0.34 AML other m 2023-01-29T23:27:53.47
IV.NRCA.HHE. ML:1.5 0.000121 0.74 AML other m 2023-01-29T23:27:53.62
IV.NRCA.HHN. ML:1.3 0.00007250000000000001 1.2 AML other m 2023-01-29T23:27:54.67
IV.SNTG.HHE. ML:1.4 0.00008609999999999999 0.14 AML other m 2023-01-29T23:27:54.54
IV.SNTG.HHN. ML:1.5 0.0001005 0.16 AML other m 2023-01-29T23:27:54.57
IV.SSFR.HHE. ML:1.7 0.00009470000000000001 0.24 AML other m 2023-01-29T23:28:01.27
IV.SSFR.HHN. ML:1.6 0.0000802 0.24 AML other m 2023-01-29T23:28:01.37
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