Earthquake with magnitude of ML 1.3 on date 02-08-2023 and time 08:52:31 (Italy) in region 3 km W Sarnano (MC)

A magnitude ML 1.3 earthquake occured in region: 3 km W Sarnano (MC), on

  • 02-08-2023 06:52:31 (UTC)
  • 02-08-2023 08:52:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0310, 13.2650 at 25 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
Sarnano MC 3 3264 3264
Bolognola MC 5 142 3406
Gualdo MC 7 815 4221
Acquacanina MC 7 121 4342
Cessapalombo MC 9 512 4854
Fiastra MC 9 559 5413
Amandola FM 9 3629 9042
San Ginesio MC 10 3498 12540
Camporotondo di Fiastrone MC 11 563 13103
Montefortino FM 12 1178 14281
Caldarola MC 12 1823 16104
Sant'Angelo in Pontano MC 13 1436 17540
Penna San Giovanni MC 13 1108 18648
Ussita MC 14 444 19092
Fiordimonte MC 14 202 19294
Monte San Martino MC 14 765 20059
Comunanza AP 15 3166 23225
Pievebovigliana MC 15 866 24091
Smerillo FM 15 365 24456
Belforte del Chienti MC 15 1886 26342
Ripe San Ginesio MC 15 852 27194
Montemonaco AP 15 604 27798
Montefalcone Appennino FM 17 424 28222
Colmurano MC 17 1263 29485
Pieve Torina MC 17 1458 30943
Serrapetrona MC 17 966 31909
Castelsantangelo sul Nera MC 18 281 32190
Visso MC 18 1107 33297
Muccia MC 19 915 34212
Santa Vittoria in Matenano FM 19 1330 35542
Falerone FM 19 3337 38879
Servigliano FM 19 2336 41215
Loro Piceno MC 20 2401 43616
Camerino MC 20 6974 50590
Force AP 20 1354 51944
Tolentino MC 20 20069 72013

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
68 Km SW of Ancona (100861 inhabitants)
72 Km E of Perugia (166134 inhabitants)
73 Km NE of Terni (111501 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
93 Km S of Fano (60888 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 2023-08-02
06:52:31
43.0312 13.2648 25 2023-08-02
07:04:13
Sala Sismica INGV-Roma 119790091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-02 06:52:31 ± 0.14
Latitude 43.0312 ± 0.0054
Longitude 13.2648 ± 0.0062
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119790091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 598
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 119790091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-02 07:04:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-08-02T06:52:48.39 0.6 undecidable manual S 272 49.1175 110 0.34 44
IV.NRCA.HHZ. 2023-08-02T06:52:42.50 0.3 undecidable manual S 209 25.0527 130 0.07 74
IV.MML1.HNZ. 2023-08-02T06:52:42.63 0.3 undecidable manual S 291 25.4523 129 0.13 73
IV.ASSB.HHZ. 2023-08-02T06:52:41.01 0.6 undecidable manual P 272 49.1175 110 -0.17 47
IV.MF5.EHZ. 2023-08-02T06:52:41.04 0.3 undecidable manual S 107 16.5723 143 0.2 74
7F.SIB3.EHZ. 2023-08-02T06:52:40.95 0.1 undecidable manual S 179 17.3715 141 -0.02 100
IV.MMO1.EHZ. 2023-08-02T06:52:40.67 0.3 undecidable manual S 161 15.4734 145 0 75
7F.SIB1.EHZ. 2023-08-02T06:52:40.47 0.6 undecidable manual S 178 15.1737 145 -0.15 49
IV.FDMO.HHZ. 2023-08-02T06:52:40.17 0.3 undecidable manual S 272 14.3745 147 -0.34 71
IV.MC2.EHZ. 2023-08-02T06:52:40.81 0.3 undecidable manual S 205 14.6742 146 0.27 73
IV.MF5.EHZ. 2023-08-02T06:52:37.11 0.3 undecidable manual P 107 16.5723 143 0.1 75
IV.MML1.HNZ. 2023-08-02T06:52:37.95 0.3 undecidable manual P 291 25.4523 129 -0.02 75
IV.NRCA.HHZ. 2023-08-02T06:52:37.92 0.1 negative manual P 209 25.0527 130 -0.01 100
7F.SIB3.EHZ. 2023-08-02T06:52:36.99 0.1 undecidable manual P 179 17.3715 141 -0.1 99
IV.MMO1.EHZ. 2023-08-02T06:52:36.82 0.3 undecidable manual P 161 15.4734 145 -0.09 74
7F.SIB1.EHZ. 2023-08-02T06:52:36.97 0.1 undecidable manual P 178 15.1737 145 0.09 100
IV.FDMO.HHZ. 2023-08-02T06:52:36.68 0.3 undecidable manual P 272 14.3745 147 -0.14 74
IV.MC2.EHZ. 2023-08-02T06:52:36.89 0.3 undecidable manual P 205 14.6742 146 0.05 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.0000701 0.22 AML other m 2023-08-02T06:52:40.40
IV.FDMO.HHN. ML:1.0 0.0000569 1.24 AML other m 2023-08-02T06:52:40.71
IV.NRCA.HHN. ML:1.6 0.00016749999999999998 0.16 AML other m 2023-08-02T06:52:43.21
IV.NRCA.HHE. ML:1.7 0.00020400000000000003 0.1 AML other m 2023-08-02T06:52:43.55
IV.ASSB.HHE. ML:1.1 0.000028252205 2.2816 AML other m 2023-08-02T06:52:48.80
IV.ASSB.HHN. ML:1.2 0.000034260584999999994 0.16 AML other m 2023-08-02T06:52:49.64
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