Earthquake with magnitude of ML 0.7 on date 30-06-2023 and time 04:18:41 (UTC) in region 2 km SW Bolognola (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km SW Bolognola (MC), on

  • 30-06-2023 04:18:41 (UTC)
  • 30-06-2023 06:18:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9800, 13.2200 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 8 444 707
Fiastra MC 8 559 1266
Sarnano MC 9 3264 4530
Montefortino FM 11 1178 5708
Castelsantangelo sul Nera MC 11 281 5989
Amandola FM 11 3629 9618
Visso MC 12 1107 10725
Fiordimonte MC 12 202 10927
Montemonaco AP 13 604 11531
Gualdo MC 14 815 12346
Pievebovigliana MC 14 866 13212
Cessapalombo MC 15 512 13724
Pieve Torina MC 16 1458 15182
Comunanza AP 16 3166 18348
San Ginesio MC 16 3498 21846
Camporotondo di Fiastrone MC 17 563 22409
Monte Cavallo MC 18 145 22554
Caldarola MC 18 1823 24377
Montegallo AP 18 523 24900
Muccia MC 18 915 25815
Preci PG 18 724 26539
Smerillo FM 19 365 26904
Penna San Giovanni MC 19 1108 28012
Monte San Martino MC 19 765 28777
Sant'Angelo in Pontano MC 20 1436 30213
Montefalcone Appennino FM 20 424 30637

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
66 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)
99 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 0.7 2023-06-30
04:18:41
42.9798 13.2197 9 2023-06-30
04:23:23
Sala Sismica INGV-Roma 118822591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-30 04:18:41 ± 0.11
Latitude 42.9798 ± 0.0018
Longitude 13.2197 ± 0.0025
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 118822591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 228
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.23203
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:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 118822591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-30 04:23:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-06-30T04:18:51.27 0.6 undecidable manual S 276 25.752 109 0.13 48
IV.MML1.EHZ. 2023-06-30T04:18:50.88 0.6 undecidable manual S 306 24.9528 109 -0.02 49
IV.NRCA.HHZ. 2023-06-30T04:18:48.81 0.6 undecidable manual S 208 18.3705 115 0.04 50
IV.CESI.HHZ. 2023-06-30T04:18:47.04 0.3 positive manual P 276 25.752 109 -0.12 72
IV.CSP1.EHZ. 2023-06-30T04:18:46.99 0.6 undecidable manual S 354 12.4764 125 0 51
IV.MF5.EHZ. 2023-06-30T04:18:46.22 1.0 undecidable manual P 87 19.4694 114 0.22 24
IV.MMO1.EHZ. 2023-06-30T04:18:46.89 0.6 undecidable manual S 136 12.4764 125 -0.1 50
IV.MML1.EHZ. 2023-06-30T04:18:46.90 1.0 undecidable manual P 306 24.9528 109 -0.12 24
IV.NRCA.HHZ. 2023-06-30T04:18:45.81 0.1 negative manual P 208 18.3705 115 0.02 100
IV.CSP1.EHZ. 2023-06-30T04:18:44.80 0.3 negative manual P 354 12.4764 125 0.03 76
IV.MMO1.EHZ. 2023-06-30T04:18:44.81 1.0 undecidable manual P 136 12.4764 125 0.04 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.7 0.0000459 1.82 AML other m 2023-06-30T04:18:49.91
IV.NRCA.HHE. ML:0.7 0.000038 1.16 AML other m 2023-06-30T04:18:49.36
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