Earthquake with magnitude of ML 0.5 on date 06-06-2023 and time 22:45:19 (UTC) in region 4 km SW Bolognola (MC)

A magnitude ML 0.5 earthquake occured in region: 4 km SW Bolognola (MC), on

  • 06-06-2023 22:45:19 (UTC)
  • 07-06-2023 00:45:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9740, 13.1950 at 9 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
Bolognola MC 4 142 142
Ussita MC 6 444 586
Acquacanina MC 7 121 707
Fiastra MC 8 559 1266
Castelsantangelo sul Nera MC 9 281 1547
Visso MC 10 1107 2654
Fiordimonte MC 11 202 2856
Sarnano MC 11 3264 6120
Montefortino FM 13 1178 7298
Amandola FM 13 3629 10927
Pievebovigliana MC 13 866 11793
Montemonaco AP 14 604 12397
Pieve Torina MC 14 1458 13855
Gualdo MC 16 815 14670
Monte Cavallo MC 16 145 14815
Cessapalombo MC 16 512 15327
Preci PG 16 724 16051
Muccia MC 17 915 16966
Comunanza AP 18 3166 20132
San Ginesio MC 18 3498 23630
Caldarola MC 19 1823 25453
Montegallo AP 19 523 25976
Camporotondo di Fiastrone MC 19 563 26539

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
67 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 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 0.5 2023-06-06
22:45:19
42.9743 13.1947 9 2023-06-06
22:49:27
Sala Sismica INGV-Roma 118161771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-06 22:45:19 ± 0.47
Latitude 42.9743 ± 0.0072
Longitude 13.1947 ± 0.0135
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118161771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1166
Semi-minor axis of confidence ellipse (meter) 257
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
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) 0.15288
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 118161771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-06 22:49:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VITU.HHZ. 2023-06-06T22:45:48.63 3.0 undecidable manual Pg -0.05 0
IV.FIAM.HHZ. 2023-06-06T22:45:29.77 3.0 undecidable manual Pg 0.13 0
IV.NRCA.HHZ. 2023-06-06T22:45:26.07 0.6 undecidable manual S 203 16.9719 117 -0.08 66
7F.SIB1.EHE. 2023-06-06T22:45:25.02 0.6 undecidable manual S 145 10.7781 129 0.69 56
IV.CSP1.EHZ. 2023-06-06T22:45:24.97 0.6 undecidable manual S 4 13.0758 123 -0.01 67
IV.FDMO.HHZ. 2023-06-06T22:45:24.37 0.6 undecidable manual S 308 11.0778 128 -0.06 67
7F.SIB3.EHE. 2023-06-06T22:45:24.33 0.6 undecidable manual S 151 12.5763 124 -0.52 60
IV.MMO1.EHZ. 2023-06-06T22:45:24.78 0.6 undecidable manual S 128 13.5753 122 -0.36 62
7F.SIB1.EHE. 2023-06-06T22:45:23.16 0.3 undecidable manual P 145 10.7781 129 0.84 79
IV.NRCA.HHZ. 2023-06-06T22:45:23.37 0.3 undecidable manual P 203 16.9719 117 0 100
7F.SIB3.EHE. 2023-06-06T22:45:22.39 0.3 undecidable manual P 151 12.5763 124 -0.22 96
IV.MMO1.EHZ. 2023-06-06T22:45:22.65 1.0 positive manual P 128 13.5753 122 -0.13 33
IV.CSP1.EHZ. 2023-06-06T22:45:22.66 1.0 undecidable manual P 4 13.0758 123 -0.03 33
7F.SIB2.EHE. 2023-06-06T22:45:22.40 0.6 undecidable manual P 136 12.7761 124 -0.25 64
IV.FDMO.HHZ. 2023-06-06T22:45:22.33 1.0 undecidable manual P 308 11.0778 128 -0.04 33
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.2 0.000020549999999999998 0.36 AML other m 2023-06-06T22:45:24.70
IV.GUMA.HHN. ML:0.7 0.00005075 0.98 AML other m 2023-06-06T22:45:26.14
IV.FDMO.HHE. ML:-0.1 0.000012199999999999998 0.18 AML other m 2023-06-06T22:45:26.24
IV.NRCA.HHE. ML:0.8 0.00005355 0.3 AML other m 2023-06-06T22:45:26.80
IV.GUMA.HHE. ML:0.6 0.000047350000000000006 0.7 AML other m 2023-06-06T22:45:27.39
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