Earthquake with magnitude of ML 1.3 on date 12-05-2023 and time 23:37:51 (UTC) in region 2 km NW Gualdo (MC)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Gualdo (MC), on

  • 12-05-2023 23:37:51 (UTC)
  • 13-05-2023 01:37:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0840, 13.3310 at 24 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 6 1436 5749
Sarnano MC 6 3264 9013
Cessapalombo MC 7 512 9525
Ripe San Ginesio MC 7 852 10377
Camporotondo di Fiastrone MC 8 563 10940
Penna San Giovanni MC 8 1108 12048
Colmurano MC 9 1263 13311
Caldarola MC 11 1823 15134
Monte San Martino MC 11 765 15899
Amandola FM 12 3629 19528
Loro Piceno MC 12 2401 21929
Belforte del Chienti MC 12 1886 23815
Falerone FM 12 3337 27152
Montappone FM 13 1682 28834
Smerillo FM 13 365 29199
Bolognola MC 13 142 29341
Servigliano FM 13 2336 31677
Monte Vidon Corrado FM 13 731 32408
Urbisaglia MC 13 2628 35036
Massa Fermana FM 14 963 35999
Acquacanina MC 14 121 36120
Tolentino MC 15 20069 56189
Montefalcone Appennino FM 15 424 56613
Fiastra MC 15 559 57172
Santa Vittoria in Matenano FM 15 1330 58502
Serrapetrona MC 16 966 59468
Comunanza AP 16 3166 62634
Montefortino FM 16 1178 63812
Monteleone di Fermo FM 17 395 64207
Mogliano MC 17 4696 68903
Belmonte Piceno FM 17 646 69549
Montegiorgio FM 18 6851 76400
Montelparo FM 18 778 77178
Monsampietro Morico FM 18 659 77837
Force AP 19 1354 79191
Petriolo MC 19 1998 81189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 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 S 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
Reviewed
Rev100
ML 1.3 2023-05-12
23:37:51
43.084 13.3313 24 2023-05-13
00:31:20
Sala Sismica INGV-Roma 117304421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-12 23:37:51 ± 0.11
Latitude 43.0840 ± 0.0045
Longitude 13.3313 ± 0.0074
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117304421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
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) 115
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.49283
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 117304421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-13 00:31:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-05-12T23:38:03.78 0.3 undecidable manual S 341 34.1436 118 -0.09 72
IV.EL6.EHZ. 2023-05-12T23:38:03.73 0.3 undecidable manual S 326 32.9448 119 0.14 71
IV.MML1.EHZ. 2023-05-12T23:38:03.15 0.1 undecidable manual S 277 29.3484 123 0.39 91
IV.MNTT.EHZ. 2023-05-12T23:38:01.77 0.3 undecidable manual S 96 21.5673 133 0.66 63
IV.ASSB.HHZ. 2023-05-12T23:38:01.55 0.1 undecidable manual P 265 54.7008 107 0 93
IV.MF5.EHZ. 2023-05-12T23:38:00.07 0.3 undecidable manual S 136 14.874 144 0.14 74
IV.MMO1.EHZ. 2023-05-12T23:38:00.93 0.1 undecidable manual S 181 20.4684 134 0.03 99
IV.CSP1.EHZ. 2023-05-12T23:37:59.23 0.1 undecidable manual S 275 10.2786 154 -0.06 99
IV.CESI.HHZ. 2023-05-12T23:37:58.94 0.1 undecidable manual P 256 35.742 117 0.13 94
IV.EL6.EHZ. 2023-05-12T23:37:58.53 0.3 undecidable manual P 326 32.9448 119 0.09 71
IV.MML1.EHZ. 2023-05-12T23:37:58.04 0.3 undecidable manual P 277 29.3484 123 0.08 72
IV.GUMA.HHZ. 2023-05-12T23:37:58.60 0.1 undecidable manual S 173 2.3976 174 -0.09 100
IV.SNTG.HHZ. 2023-05-12T23:37:58.87 0.3 undecidable manual P 301 36.8298 116 -0.11 71
IV.CING.HHZ. 2023-05-12T23:37:58.34 0.1 undecidable manual P 341 34.1436 118 -0.26 93
IV.NRCA.HHZ. 2023-05-12T23:37:58.37 0.1 undecidable manual P 212 32.9448 119 -0.06 96
IV.MNTT.EHZ. 2023-05-12T23:37:56.96 0.3 undecidable manual P 96 21.5673 133 -0.05 74
IV.MF5.EHZ. 2023-05-12T23:37:56.26 0.1 undecidable manual P 136 14.874 144 -0.06 99
IV.MMO1.EHZ. 2023-05-12T23:37:56.68 0.1 undecidable manual P 181 20.4684 134 -0.21 95
IV.CSP1.EHZ. 2023-05-12T23:37:55.80 0.1 undecidable manual P 275 10.2786 154 -0.16 98
IV.GUMA.HHZ. 2023-05-12T23:37:55.39 0.1 undecidable manual P 173 2.3976 174 -0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.5 0.0002115 0.24 AML other m 2023-05-12T23:37:58.86
IV.GUMA.HHN. ML:1.4 0.000165 0.28 AML other m 2023-05-12T23:37:58.76
IV.CSP1.EHN. ML:2.0 0.0005625 0.08 AML other m 2023-05-12T23:37:59.36
IV.CSP1.EHE. ML:1.8 0.0004305 0.24 AML other m 2023-05-12T23:37:59.38
IV.MMO1.EHE. ML:1.2 0.00006925 1.5 AML other m 2023-05-12T23:38:00.99
IV.MMO1.EHN. ML:1.1 0.0000591 0.34 AML other m 2023-05-12T23:38:01.73
IV.MNTT.EHE. ML:1.8 0.000266 1.34 AML other m 2023-05-12T23:38:01.28
IV.MNTT.EHN. ML:1.7 0.0002245 0.72 AML other m 2023-05-12T23:38:02.90
IV.MML1.EHN. ML:1.3 0.00008085 0.26 AML other m 2023-05-12T23:38:03.52
IV.MML1.EHE. ML:0.9 0.000032 1.26 AML other m 2023-05-12T23:38:03.34
IV.NRCA.HHE. ML:1.4 0.00009295000000000001 0.94 AML other m 2023-05-12T23:38:04.07
IV.CING.HHE. ML:1.5 0.00009800000000000001 0.38 AML other m 2023-05-12T23:38:04.22
IV.NRCA.HHN. ML:1.5 0.00010600000000000002 0.72 AML other m 2023-05-12T23:38:04.13
IV.CING.HHN. ML:1.2 0.0000562 0.92 AML other m 2023-05-12T23:38:04.96
IV.CESI.HHE. ML:0.9 0.000027400000000000002 1.18 AML other m 2023-05-12T23:38:05.67
IV.SNTG.HHE. ML:1.1 0.00003995 0.38 AML other m 2023-05-12T23:38:05.21
IV.SNTG.HHN. ML:1.2 0.0000553 0.16 AML other m 2023-05-12T23:38:05.24
IV.CESI.HHN. ML:1.1 0.000038900000000000004 0.62 AML other m 2023-05-12T23:38:05.85
IV.ASSB.HHE. ML:1.0 0.00002005 0.32 AML other m 2023-05-12T23:38:10.45
IV.ASSB.HHN. ML:1.2 0.000035699999999999994 0.18 AML other m 2023-05-12T23:38:10.98
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