Earthquake with magnitude of ML 0.8 on date 12-03-2023 and time 21:37:15 (UTC) in region 3 km W Bolognola (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km W Bolognola (MC), on

  • 12-03-2023 21:37:15 (UTC)
  • 12-03-2023 22:37:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9890, 13.1920 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 5 121 263
Fiastra MC 6 559 822
Ussita MC 7 444 1266
Fiordimonte MC 10 202 1468
Sarnano MC 10 3264 4732
Visso MC 11 1107 5839
Castelsantangelo sul Nera MC 11 281 6120
Pievebovigliana MC 12 866 6986
Pieve Torina MC 13 1458 8444
Montefortino FM 13 1178 9622
Amandola FM 13 3629 13251
Cessapalombo MC 15 512 13763
Montemonaco AP 15 604 14367
Gualdo MC 15 815 15182
Monte Cavallo MC 15 145 15327
Muccia MC 16 915 16242
San Ginesio MC 17 3498 19740
Caldarola MC 17 1823 21563
Camporotondo di Fiastrone MC 17 563 22126
Preci PG 17 724 22850
Comunanza AP 19 3166 26016
Camerino MC 19 6974 32990
Montegallo AP 20 523 33513
Belforte del Chienti MC 20 1886 35399

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
67 Km E of Perugia (166134 inhabitants)
73 Km N of L'Aquila (69753 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 inhabitants)
96 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 0.8 2023-03-12
21:37:15
42.989 13.1918 10 2023-03-12
21:47:02
Sala Sismica INGV-Roma 115296961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-12 21:37:15 ± 0.09
Latitude 42.9890 ± 0.0054
Longitude 13.1918 ± 0.0061
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115296961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 610
Semi-minor axis of confidence ellipse (meter) 470
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
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 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.21044
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 115296961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-12 21:47:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-03-12T21:37:24.98 0.3 undecidable manual S 274 23.3544 113 0.27 71
IV.MML1.EHZ. 2023-03-12T21:37:24.56 0.6 undecidable manual S 308 22.5552 114 0.11 49
IV.MF5.EHZ. 2023-03-12T21:37:24.85 0.6 undecidable manual S 90 21.7671 115 0.66 42
IV.NRCA.HHZ. 2023-03-12T21:37:23.11 0.6 undecidable manual S 200 18.3705 119 -0.03 50
IV.MML1.EHZ. 2023-03-12T21:37:21.44 1.0 undecidable manual P 308 22.5552 114 0.61 22
IV.MF5.EHZ. 2023-03-12T21:37:21.44 1.0 negative manual P 90 21.7671 115 0.75 20
IV.MMO1.EHZ. 2023-03-12T21:37:21.61 0.6 undecidable manual S 132 14.7741 124 -0.48 46
IV.CESI.HHZ. 2023-03-12T21:37:21.01 1.0 positive manual P 274 23.3544 113 0.03 25
IV.GUMA.HHZ. 2023-03-12T21:37:21.70 0.6 undecidable manual S 55 14.1747 125 -0.22 48
IV.FDMO.HHZ. 2023-03-12T21:37:20.50 0.6 undecidable manual S 302 9.9789 135 -0.29 48
IV.CSP1.EHZ. 2023-03-12T21:37:20.76 0.6 undecidable manual S 5 11.4774 131 -0.41 47
IV.MMO1.EHZ. 2023-03-12T21:37:19.40 1.0 undecidable manual P 132 14.7741 124 -0.07 25
IV.GUMA.HHZ. 2023-03-12T21:37:19.69 1.0 negative manual P 55 14.1747 125 0.32 24
IV.NRCA.HHZ. 2023-03-12T21:37:19.94 0.6 undecidable manual P 200 18.3705 119 -0.14 49
IV.FDMO.HHZ. 2023-03-12T21:37:18.62 0.1 undecidable manual P 302 9.9789 135 -0.1 100
IV.CSP1.EHZ. 2023-03-12T21:37:18.79 1.0 undecidable manual P 5 11.4774 131 -0.14 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.9 0.000058949999999999996 1.88 AML other m 2023-03-12T21:37:24.05
IV.NRCA.HHN. ML:0.7 0.0000414 1 AML other m 2023-03-12T21:37:24.92
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