Earthquake with magnitude of ML 0.6 on date 04-07-2023 and time 13:02:17 (UTC) in region 2 km SW Bolognola (MC)

A magnitude ML 0.6 earthquake occured in region: 2 km SW Bolognola (MC), on

  • 04-07-2023 13:02:17 (UTC)
  • 04-07-2023 15:02:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9760, 13.2150 at 7 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 2 142 142
Acquacanina MC 7 121 263
Ussita MC 7 444 707
Fiastra MC 8 559 1266
Sarnano MC 10 3264 4530
Castelsantangelo sul Nera MC 10 281 4811
Montefortino FM 11 1178 5989
Visso MC 11 1107 7096
Amandola FM 12 3629 10725
Fiordimonte MC 12 202 10927
Montemonaco AP 13 604 11531
Pievebovigliana MC 14 866 12397
Gualdo MC 14 815 13212
Cessapalombo MC 15 512 13724
Pieve Torina MC 15 1458 15182
Comunanza AP 16 3166 18348
San Ginesio MC 17 3498 21846
Monte Cavallo MC 18 145 21991
Montegallo AP 18 523 22514
Camporotondo di Fiastrone MC 18 563 23077
Preci PG 18 724 23801
Caldarola MC 18 1823 25624
Muccia MC 18 915 26539
Smerillo FM 19 365 26904
Penna San Giovanni MC 19 1108 28012
Monte San Martino MC 19 765 28777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
69 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 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 0.6 2023-07-04
13:02:17
42.9765 13.2152 7 2023-07-04
13:11:39
Sala Sismica INGV-Roma 118962071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-04 13:02:17 ± 0.16
Latitude 42.9765 ± 0.0027
Longitude 13.2152 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118962071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 22
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.10702
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118962071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-04 13:11:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-07-04T13:02:25.68 0.6 undecidable manual S 86 19.869 110 0.4 46
IV.NRCA.HHZ. 2023-07-04T13:02:24.80 0.6 undecidable manual S 207 17.871 112 0.17 48
IV.FDMO.HHZ. 2023-07-04T13:02:23.03 0.6 undecidable manual S 303 12.2766 121 0.13 49
IV.CSP1.EHZ. 2023-07-04T13:02:22.99 0.6 undecidable manual S 356 12.7761 120 -0.06 50
IV.MMO1.EHZ. 2023-07-04T13:02:22.86 0.6 undecidable manual S 133 12.4764 120 -0.09 50
7F.SIB2.EHZ. 2023-07-04T13:02:22.67 0.6 undecidable manual S 143 11.877 121 -0.1 50
IV.MF5.EHZ. 2023-07-04T13:02:22.21 0.6 positive manual P 86 19.869 110 0.04 50
IV.NRCA.HHZ. 2023-07-04T13:02:21.82 0.1 positive manual P 207 17.871 112 0.02 100
IV.CSP1.EHZ. 2023-07-04T13:02:20.79 0.1 undecidable manual P 356 12.7761 120 -0.1 99
IV.MMO1.EHZ. 2023-07-04T13:02:20.77 0.3 positive manual P 133 12.4764 120 -0.06 75
7F.SIB2.EHZ. 2023-07-04T13:02:20.62 0.1 undecidable manual P 143 11.877 121 -0.11 99
IV.FDMO.HHZ. 2023-07-04T13:02:20.79 1.0 undecidable manual P 303 12.2766 121 -0.01 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:0.6 0.0000506 0.18 AML other m 2023-07-04T13:02:23.05
IV.FDMO.HHN. ML:0.4 0.0000283 0.46 AML other m 2023-07-04T13:02:23.43
IV.MMO1.EHN. ML:0.4 0.00003395 1.04 AML other m 2023-07-04T13:02:23.96
IV.FDMO.HHE. ML:0.4 0.000027999999999999996 0.58 AML other m 2023-07-04T13:02:23.53
IV.NRCA.HHE. ML:0.8 0.0000589 0.12 AML other m 2023-07-04T13:02:24.94
IV.NRCA.HHN. ML:0.8 0.000052199999999999995 1.28 AML other m 2023-07-04T13:02:24.34
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