Earthquake with magnitude of ML 1.3 on date 08-07-2023 and time 15:42:42 (Italy) in region 3 km SW Bolognola (MC)

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

  • 08-07-2023 13:42:42 (UTC)
  • 08-07-2023 15:42:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 13.2070 at 10 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
Acquacanina MC 6 121 263
Ussita MC 7 444 707
Fiastra MC 8 559 1266
Sarnano MC 10 3264 4530
Castelsantangelo sul Nera MC 10 281 4811
Visso MC 11 1107 5918
Montefortino FM 12 1178 7096
Fiordimonte MC 12 202 7298
Amandola FM 12 3629 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
Monte Cavallo MC 17 145 15327
Comunanza AP 17 3166 18493
San Ginesio MC 17 3498 21991
Preci PG 17 724 22715
Muccia MC 18 915 23630
Camporotondo di Fiastrone MC 18 563 24193
Caldarola MC 18 1823 26016
Montegallo AP 18 523 26539
Smerillo FM 20 365 26904
Penna San Giovanni MC 20 1108 28012
Monte San Martino MC 20 765 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)
68 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)
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 1.3 2023-07-08
13:42:42
42.9777 13.2068 10 2023-07-08
14:07:13
Sala Sismica INGV-Roma 119079151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 13:42:42 ± 0.05
Latitude 42.9777 ± 0.0036
Longitude 13.2068 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119079151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55308
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 119079151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 14:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2023-07-08T13:43:29.72 3.0 undecidable manual S 1.91 0
IV.SSFR.HHZ. 2023-07-08T13:43:03.02 3.0 undecidable manual S 326 61.3941 50 1.11 0
IV.ARVD.HHZ. 2023-07-08T13:43:02.84 0.6 undecidable manual S -0.11 0.9
IV.TERO.HHZ. 2023-07-08T13:42:59.40 0.6 undecidable manual S 140 50.9157 50 0.28 44
IV.RM33.EHZ. 2023-07-08T13:42:59.89 0.6 undecidable manual S 179 52.0035 50 0.49 42
IV.SMA1.EHZ. 2023-07-08T13:42:56.04 0.3 undecidable manual S 165 39.9267 50 -0.14 70
IV.SSFR.HHZ. 2023-07-08T13:42:54.34 0.6 undecidable manual P 326 61.3941 50 0.53 41
IV.RM33.EHZ. 2023-07-08T13:42:52.16 0.1 undecidable manual P 179 52.0035 50 -0.2 90
IV.TERO.HHZ. 2023-07-08T13:42:51.72 1.0 positive manual P 140 50.9157 50 -0.48 21
IV.ASSB.HHZ. 2023-07-08T13:42:51.21 0.1 positive manual P 279 45.0216 50 -0.08 93
IV.MML1.EHZ. 2023-07-08T13:42:51.76 0.3 undecidable manual S 308 24.3534 112 -0.06 73
IV.SMA1.EHZ. 2023-07-08T13:42:50.12 0.6 positive manual P 165 39.9267 50 -0.38 44
IV.MF5.EHZ. 2023-07-08T13:42:50.79 0.6 undecidable manual S 87 20.5683 115 0.17 48
IV.NRCA.HHZ. 2023-07-08T13:42:49.95 0.6 undecidable manual S 205 17.6712 119 0.22 47
IV.MNTT.EHZ. 2023-07-08T13:42:49.64 3.0 negative manual P 0.25 0
IV.GUMA.HHZ. 2023-07-08T13:42:48.77 0.6 undecidable manual S 48 14.0748 124 0.11 49
IV.CSP1.EHZ. 2023-07-08T13:42:48.22 0.6 undecidable manual S 359 12.6762 127 -0.05 50
IV.MMO1.EHZ. 2023-07-08T13:42:48.12 0.6 undecidable manual S 132 13.0758 126 -0.25 48
IV.MF5.EHZ. 2023-07-08T13:42:47.25 0.1 undecidable manual P 87 20.5683 115 -0.04 98
IV.MML1.EHZ. 2023-07-08T13:42:47.87 0.1 positive manual P 308 24.3534 112 -0.11 96
IV.GUMA.HHZ. 2023-07-08T13:42:46.22 0.3 undecidable manual P 48 14.0748 124 0.06 74
IV.NRCA.HHZ. 2023-07-08T13:42:46.92 0.1 negative manual P 205 17.6712 119 0.15 97
IV.CSP1.EHZ. 2023-07-08T13:42:45.95 0.1 undecidable manual P 359 12.6762 127 0.01 100
IV.MMO1.EHZ. 2023-07-08T13:42:45.94 0.6 undecidable manual P 132 13.0758 126 -0.05 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.6 0.0004915 0.36 AML other m 2023-07-08T13:42:48.49
IV.MMO1.EHN. ML:1.4 0.000261 0.48 AML other m 2023-07-08T13:42:48.12
IV.CSP1.EHE. ML:1.5 0.00033150000000000003 0.42 AML other m 2023-07-08T13:42:48.39
IV.MMO1.EHE. ML:1.4 0.000305 0.56 AML other m 2023-07-08T13:42:48.21
IV.GUMA.HNN. ML:1.6 0.000375 1.64 AML other m 2023-07-08T13:42:48.03
IV.GUMA.HHE. ML:1.7 0.0005064999999999999 1.64 AML other m 2023-07-08T13:42:49.03
IV.GUMA.HNE. ML:1.5 0.000324 0.28 AML other m 2023-07-08T13:42:49.07
IV.GUMA.HHN. ML:1.4 0.000268 0.34 AML other m 2023-07-08T13:42:49.55
IV.NRCA.HHE. ML:1.6 0.0002945 1.06 AML other m 2023-07-08T13:42:50.09
IV.NRCA.HHN. ML:1.6 0.00034750000000000004 1.58 AML other m 2023-07-08T13:42:50.84
IV.MML1.EHE. ML:1.2 0.00009659999999999999 0.48 AML other m 2023-07-08T13:42:52.62
IV.MML1.EHN. ML:1.2 0.00009865 0.22 AML other m 2023-07-08T13:42:52.39
IV.SMA1.EHE. ML:1.1 0.00004085 0.84 AML other m 2023-07-08T13:42:56.38
IV.SMA1.EHN. ML:1.1 0.00004195 0.46 AML other m 2023-07-08T13:42:57.68
IV.TERO.HHN. ML:1.1 0.000030550000000000004 1.12 AML other m 2023-07-08T13:42:59.37
IV.TERO.HHE. ML:1.0 0.0000247 0.92 AML other m 2023-07-08T13:43:00.12
IV.RM33.EHE. ML:0.9 0.00002175 1.4 AML other m 2023-07-08T13:43:00.21
IV.SSFR.HHN. ML:1.4 0.0000426 0.16 AML other m 2023-07-08T13:43:03.36
IV.SSFR.HHE. ML:1.2 0.00003655 1.02 AML other m 2023-07-08T13:43:03.81
IV.RM33.EHN. ML:0.8 0.0000172 1.4 AML other m 2023-07-08T13:43:04.03
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