Earthquake with magnitude of ML 0.5 on date 07-03-2023 and time 14:51:52 (Italy) in region 3 km SW Bolognola (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km SW Bolognola (MC), on

  • 07-03-2023 13:51:52 (UTC)
  • 07-03-2023 14:51:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9770, 13.1930 at 15 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 4 142 142
Ussita MC 6 444 586
Acquacanina MC 6 121 707
Fiastra MC 7 559 1266
Castelsantangelo sul Nera MC 10 281 1547
Visso MC 10 1107 2654
Fiordimonte MC 11 202 2856
Sarnano MC 11 3264 6120
Montefortino FM 13 1178 7298
Pievebovigliana MC 13 866 8164
Amandola FM 13 3629 11793
Pieve Torina MC 14 1458 13251
Montemonaco AP 14 604 13855
Gualdo MC 16 815 14670
Monte Cavallo MC 16 145 14815
Cessapalombo MC 16 512 15327
Preci PG 17 724 16051
Muccia MC 17 915 16966
San Ginesio MC 18 3498 20464
Comunanza AP 18 3166 23630
Caldarola MC 18 1823 25453
Camporotondo di Fiastrone MC 18 563 26016
Montegallo AP 19 523 26539

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
67 Km E of Perugia (166134 inhabitants)
72 Km N of L'Aquila (69753 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
94 Km NW of Montesilvano (53738 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
Bulletin
Rev1000
ML 0.5 2023-03-07
13:51:52
42.9768 13.1933 15 2024-03-01
17:18:17
Bollettino Sismico Italiano INGV 122199281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-07 13:51:52 ± 0.17
Latitude 42.9768 ± 0.0036
Longitude 13.1933 ± 0.0086
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 122199281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 636
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.15468
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 122199281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-10-19 13:16:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-03-07T13:51:59.06 0.1 undecidable manual S 4 12.7761 130 -0.1 100
IV.NRCA.HHZ. 2023-03-07T13:51:59.92 0.3 undecidable manual S 202 17.1717 119 -0.2 72
IV.FDMO.HHZ. 2023-03-07T13:51:58.91 0.3 undecidable manual S 308 10.878 135 0.13 74
IV.MC2.EHZ. 2023-03-07T13:51:58.20 0.3 undecidable manual S 183 7.2927 148 0.01 76
IV.NRCA.HHZ. 2023-03-07T13:51:57.01 0.1 undecidable manual P 202 17.1717 119 -0.01 100
IV.MC2.EHZ. 2023-03-07T13:51:56.03 0.1 undecidable manual P 183 7.2927 148 0.13 99
IV.CSP1.EHZ. 2023-03-07T13:51:56.52 0.1 undecidable manual P 4 12.7761 130 0.05 100
IV.FDMO.HHZ. 2023-03-07T13:51:56.21 0.3 undecidable manual P 308 10.878 135 -0.04 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MC2.EHN. ML:0.8 0.00006464803499999999 0.16 AML other m 2023-03-07T13:51:58.44
IV.MC2.EHE. ML:0.8 0.00006325229999999998 0.1216 AML other m 2023-03-07T13:51:58.26
IV.FDMO.HHE. ML:0.0 0.0000090729725 0.1984 AML other m 2023-03-07T13:51:59.50
IV.FDMO.HHN. ML:0.2 0.000015524295 0.3008 AML other m 2023-03-07T13:51:58.99
IV.CSP1.EHE. ML:0.4 0.000019378195 0.1408 AML other m 2023-03-07T13:51:59.25
IV.CSP1.EHN. ML:0.5 0.000026533914999999998 0.2048 AML other m 2023-03-07T13:51:59.42
IV.NRCA.HHN. ML:0.4 0.000022068475000000002 0.1216 AML other m 2023-03-07T13:52:00.23
IV.NRCA.HNE. ML:0.9 0.000058811010000000004 0.1792 AML other m 2023-03-07T13:52:00.08
IV.NRCA.HHE. ML:0.7 0.000033803694999999996 0.1792 AML other m 2023-03-07T13:52:00.08
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