Earthquake with magnitude of ML 1.1 on date 30-06-2023 and time 06:44:10 (Italy) in region 2 km SW Bolognola (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km SW Bolognola (MC), on

  • 30-06-2023 04:44:10 (UTC)
  • 30-06-2023 06:44:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9770, 13.2120 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 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 15 815 13212
Pieve Torina MC 15 1458 14670
Cessapalombo MC 15 512 15182
Comunanza AP 17 3166 18348
San Ginesio MC 17 3498 21846
Monte Cavallo MC 17 145 21991
Preci PG 18 724 22715
Montegallo AP 18 523 23238
Camporotondo di Fiastrone MC 18 563 23801
Muccia MC 18 915 24716
Caldarola MC 18 1823 26539
Smerillo FM 19 365 26904
Monte San Martino MC 20 765 27669
Penna San Giovanni MC 20 1108 28777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
54 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)
76 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 1.1 2023-06-30
04:44:10
42.9767 13.2122 9 2023-06-30
04:49:24
Sala Sismica INGV-Roma 118823951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-30 04:44:10 ± 0.15
Latitude 42.9767 ± 0.0027
Longitude 13.2122 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118823951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 38
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
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 24
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22213
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 118823951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-30 04:49:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HNZ. 2023-06-30T04:45:30.90 3.0 undecidable manual Sg 4.26 0
CH.BERNI.HHZ. 2023-06-30T04:45:27.27 3.0 undecidable manual Sn -4.18 0
IV.ACATE.EHZ. 2023-06-30T04:45:26.31 3.0 negative manual Pn -9.99 0
IV.SERS.HHZ. 2023-06-30T04:45:24.46 3.0 positive manual Pg 4.66 0
IV.MCI.EHZ. 2023-06-30T04:45:08.87 3.0 undecidable manual Sg 0.76 0
IV.AMUR.HHZ. 2023-06-30T04:45:06.11 3.0 undecidable manual Pg 8.39 0
CR.STON.BHZ. 2023-06-30T04:44:58.40 3.0 undecidable manual Pg 7.35 0
IV.FNVD.HHZ. 2023-06-30T04:44:50.37 3.0 undecidable manual Sn 2.26 0
IV.ARRO.EHZ. 2023-06-30T04:44:39.58 3.0 undecidable manual Sg -3.81 0
IV.BDI.HHZ. 2023-06-30T04:44:37.54 3.0 positive manual Pg 5.66 0
IV.CSNT.HHZ. 2023-06-30T04:44:25.62 3.0 positive manual Pg -0.57 0
IV.MML1.EHZ. 2023-06-30T04:44:19.76 0.6 undecidable manual S 308 24.6531 110 -0.11 48
IV.MF5.EHZ. 2023-06-30T04:44:18.69 0.6 undecidable manual S 86 20.1687 114 0.29 47
IV.NRCA.HHZ. 2023-06-30T04:44:17.74 0.6 undecidable manual S 207 17.7711 117 0.09 49
IV.CSP1.EHZ. 2023-06-30T04:44:16.13 0.6 undecidable manual S 357 12.7761 125 -0.03 50
IV.FDMO.HHZ. 2023-06-30T04:44:16.12 0.6 undecidable manual S 303 12.0768 126 0.15 49
IV.MF5.EHZ. 2023-06-30T04:44:15.16 0.6 positive manual P 86 20.1687 114 0 50
IV.MML1.EHZ. 2023-06-30T04:44:15.90 1.0 undecidable manual P 308 24.6531 110 -0.12 24
IV.MMO1.EHZ. 2023-06-30T04:44:15.86 0.6 undecidable manual S 133 12.6762 125 -0.27 48
IV.NRCA.HHZ. 2023-06-30T04:44:14.77 0.1 negative manual P 207 17.7711 117 0.03 100
IV.MMO1.EHZ. 2023-06-30T04:44:13.72 1.0 undecidable manual P 133 12.6762 125 -0.14 25
IV.CSP1.EHZ. 2023-06-30T04:44:13.82 0.1 negative manual P 357 12.7761 125 -0.06 100
IV.FDMO.HHZ. 2023-06-30T04:44:13.84 0.6 positive manual P 303 12.0768 126 0.07 50
IV.NARO.HHZ. 2023-06-30T04:44:12.95 3.0 undecidable manual P -2.74 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:1.1 0.00013450000000000002 0.36 AML other m 2023-06-30T04:44:17.85
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