Earthquake with magnitude of ML 1.2 on date 13-11-2023 and time 07:57:52 (UTC) in region 2 km SE Bolognola (MC)

A magnitude ML 1.2 earthquake occured in region: 2 km SE Bolognola (MC), on

  • 13-11-2023 07:57:52 (UTC)
  • 13-11-2023 08:57:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9800, 13.2420 at 23 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 8 121 263
Sarnano MC 8 3264 3527
Montefortino FM 9 1178 4705
Ussita MC 9 444 5149
Fiastra MC 9 559 5708
Amandola FM 9 3629 9337
Montemonaco AP 11 604 9941
Castelsantangelo sul Nera MC 12 281 10222
Gualdo MC 13 815 11037
Visso MC 14 1107 12144
Fiordimonte MC 14 202 12346
Comunanza AP 14 3166 15512
Cessapalombo MC 15 512 16024
San Ginesio MC 16 3498 19522
Pievebovigliana MC 16 866 20388
Smerillo FM 17 365 20753
Montegallo AP 17 523 21276
Pieve Torina MC 17 1458 22734
Monte San Martino MC 17 765 23499
Camporotondo di Fiastrone MC 17 563 24062
Penna San Giovanni MC 17 1108 25170
Caldarola MC 18 1823 26993
Montefalcone Appennino FM 18 424 27417
Sant'Angelo in Pontano MC 18 1436 28853
Monte Cavallo MC 20 145 28998
Muccia MC 20 915 29913
Palmiano AP 20 196 30109
Preci PG 20 724 30833

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
67 Km NE of Terni (111501 inhabitants)
71 Km E of Perugia (166134 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km S of Fano (60888 inhabitants)
98 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 1.2 2023-11-13
07:57:52
42.9802 13.2418 23 2023-11-13
08:03:45
Sala Sismica INGV-Roma 123077811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-13 07:57:52 ± 0.2
Latitude 42.9802 ± 0.0117
Longitude 13.2418 ± 0.0074
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123077811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1116
Semi-minor axis of confidence ellipse (meter) 688
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23832
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 123077811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-13 08:03:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2023-11-13T07:58:27.00 3.0 undecidable manual S -0.16 0
IV.MF5.EHZ. 2023-11-13T07:58:01.86 0.3 undecidable manual S 87 17.6712 138 0.21 72
IV.FDMO.HHZ. 2023-11-13T07:58:01.16 0.3 undecidable manual S 297 13.9749 145 0.13 73
IV.CSP1.EHZ. 2023-11-13T07:58:00.67 0.3 undecidable manual S 346 12.7761 147 -0.17 73
IV.MMO1.EHZ. 2023-11-13T07:58:00.67 0.3 undecidable manual S 142 11.2776 151 0.03 76
IV.MML1.EHZ. 2023-11-13T07:57:59.15 0.3 undecidable manual P 304 26.4513 125 0.23 71
IV.MMO1.EHZ. 2023-11-13T07:57:57.24 0.1 undecidable manual P 142 11.2776 151 -0.09 99
IV.FDMO.HHZ. 2023-11-13T07:57:57.51 0.1 undecidable manual P 297 13.9749 145 -0.04 100
IV.CSP1.EHZ. 2023-11-13T07:57:57.29 0.1 undecidable manual P 346 12.7761 147 -0.15 98
IV.MF5.EHZ. 2023-11-13T07:57:57.88 0.1 undecidable manual P 87 17.6712 138 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:1.1 0.00007615 0.14 AML other m 2023-11-13T07:58:00.77
IV.MMO1.EHN. ML:1.1 0.00008555 0.4 AML other m 2023-11-13T07:58:00.91
IV.GUMA.HHN. ML:1.4 0.0001635 1.74 AML other m 2023-11-13T07:58:00.06
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