Earthquake with magnitude of ML 1.3 on date 05-08-2023 and time 19:43:41 (UTC) in region 3 km SE Bolognola (MC)

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

  • 05-08-2023 19:43:41 (UTC)
  • 05-08-2023 21:43:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 13.2540 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
Bolognola MC 3 142 142
Sarnano MC 8 3264 3406
Montefortino FM 8 1178 4584
Amandola FM 8 3629 8213
Acquacanina MC 9 121 8334
Ussita MC 10 444 8778
Fiastra MC 10 559 9337
Montemonaco AP 11 604 9941
Gualdo MC 12 815 10756
Castelsantangelo sul Nera MC 12 281 11037
Comunanza AP 13 3166 14203
Visso MC 14 1107 15310
Cessapalombo MC 15 512 15822
Fiordimonte MC 15 202 16024
San Ginesio MC 15 3498 19522
Smerillo FM 16 365 19887
Monte San Martino MC 16 765 20652
Montegallo AP 16 523 21175
Penna San Giovanni MC 17 1108 22283
Pievebovigliana MC 17 866 23149
Montefalcone Appennino FM 17 424 23573
Camporotondo di Fiastrone MC 17 563 24136
Sant'Angelo in Pontano MC 18 1436 25572
Pieve Torina MC 18 1458 27030
Caldarola MC 18 1823 28853
Palmiano AP 19 196 29049
Force AP 19 1354 30403

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
68 Km NE of Terni (111501 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 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 1.3 2023-08-05
19:43:41
42.9782 13.2538 25 2023-08-05
19:49:39
Sala Sismica INGV-Roma 119891281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-05 19:43:41 ± 0.15
Latitude 42.9782 ± 0.0045
Longitude 13.2538 ± 0.0061
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 119891281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 559
Semi-minor axis of confidence ellipse (meter) 104
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.39930
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 14
Type of magnitude ML
Reference to an origin 119891281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-05 19:49:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-08-05T19:43:56.42 0.6 undecidable manual S 354 44.3223 113 0.34 44
IV.SMA1.EHZ. 2023-08-05T19:43:55.06 0.3 undecidable manual S 170 39.1275 116 0.25 69
IV.SNTG.HHZ. 2023-08-05T19:43:55.32 0.3 undecidable manual S 321 39.8268 116 0.34 67
IV.MML1.EHZ. 2023-08-05T19:43:52.42 0.3 undecidable manual S 303 27.3504 127 0.3 69
IV.NRCA.HHZ. 2023-08-05T19:43:50.59 0.3 undecidable manual S 215 19.6692 137 0.01 75
IV.MF5.EHZ. 2023-08-05T19:43:50.33 0.3 undecidable manual S 86 16.7721 142 0.24 72
IV.CSP1.EHZ. 2023-08-05T19:43:49.21 0.3 undecidable manual S 343 13.1757 149 -0.35 71
IV.SNTG.HHZ. 2023-08-05T19:43:49.04 0.3 undecidable manual P 321 39.8268 116 -0.04 72
IV.GUMA.HHZ. 2023-08-05T19:43:49.38 0.6 undecidable manual S 35 11.4774 153 0.05 50
IV.CING.HHZ. 2023-08-05T19:43:49.49 0.3 undecidable manual P 354 44.3223 113 -0.22 69
IV.FDMO.HHZ. 2023-08-05T19:43:49.60 0.3 undecidable manual S 296 14.9739 146 -0.21 72
IV.SMA1.EHZ. 2023-08-05T19:43:48.88 0.6 undecidable manual P 170 39.1275 116 -0.09 47
IV.MML1.EHZ. 2023-08-05T19:43:47.48 0.6 undecidable manual P 303 27.3504 127 0.05 49
IV.MF5.EHZ. 2023-08-05T19:43:46.28 0.1 negative manual P 86 16.7721 142 0.03 100
IV.NRCA.HHZ. 2023-08-05T19:43:46.52 1.0 undecidable manual P 215 19.6692 137 -0.01 25
IV.CSP1.EHZ. 2023-08-05T19:43:45.72 0.1 undecidable manual P 343 13.1757 149 -0.22 96
IV.GUMA.HHZ. 2023-08-05T19:43:45.67 0.6 negative manual P 35 11.4774 153 -0.14 49
IV.FDMO.HHZ. 2023-08-05T19:43:45.93 0.3 positive manual P 296 14.9739 146 -0.16 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HNE. ML:1.6 0.00020950000000000002 0.24 AML other m 2023-08-05T19:43:49.54
IV.GUMA.HNN. ML:1.4 0.00015867225 0.4352 AML other m 2023-08-05T19:43:50.08
IV.NRCA.HHN. ML:1.0 0.000050402815000000006 0.128 AML other m 2023-08-05T19:43:51.10
IV.NRCA.HHE. ML:1.1 0.00005533823 0.1024 AML other m 2023-08-05T19:43:51.92
IV.GUMA.HHE. ML:1.5 0.00020021495 0.256 AML other m 2023-08-05T19:43:49.51
IV.GUMA.HHN. ML:1.6 0.00021312915 0.1408 AML other m 2023-08-05T19:43:49.53
IV.NRCA.HNN. ML:1.5 0.00016378535 1.0752 AML other m 2023-08-05T19:43:50.58
IV.MML1.EHE. ML:1.0 0.00004069429 0.256 AML other m 2023-08-05T19:43:52.51
IV.MML1.EHN. ML:1.0 0.000039314100000000004 0.2048 AML other m 2023-08-05T19:43:52.60
IV.SMA1.EHE. ML:1.3 0.00005658614 1.4592 AML other m 2023-08-05T19:44:07.87
IV.SMA1.EHN. ML:1.1 0.000041460695 2.0736 AML other m 2023-08-05T19:43:59.66
IV.SNTG.HHN. ML:0.8 0.00002031191 0.1024 AML other m 2023-08-05T19:43:55.58
IV.SNTG.HNE. ML:1.7 0.0001421974 4.8384 AML other m 2023-08-05T19:44:02.08
IV.SNTG.HNN. ML:1.5 0.00009260785499999999 0.5504 AML other m 2023-08-05T19:43:58.53
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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