Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 01-09-2021 and time 19:06:54 (Italy) in region 1 km NW Pieve Torina (MC)

A magnitude ML 0.5 earthquake occured in region: 1 km NW Pieve Torina (MC), on

  • 01-09-2021 17:06:54 (UTC)
  • 01-09-2021 19:06:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0550, 13.0420 at 12 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pieve Torina MC 1 1458 1458
Muccia MC 3 915 2373
Pievebovigliana MC 4 866 3239
Fiordimonte MC 4 202 3441
Serravalle di Chienti MC 8 1070 4511
Monte Cavallo MC 8 145 4656
Camerino MC 9 6974 11630
Fiastra MC 10 559 12189
Acquacanina MC 11 121 12310
Sefro MC 13 422 12732
Visso MC 14 1107 13839
Ussita MC 15 444 14283
Pioraco MC 15 1134 15417
Bolognola MC 17 142 15559
Fiuminata MC 17 1402 16961
Castelraimondo MC 17 4587 21548
Caldarola MC 18 1823 23371
Serrapetrona MC 18 966 24337
Cessapalombo MC 19 512 24849
Preci PG 20 724 25573
Castelsantangelo sul Nera MC 20 281 25854

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
83 Km NW of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
96 Km S of Pesaro (94582 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 0.5 2021-09-01
17:06:54		 43.055 13.0418 12 2021-09-01
17:13:00		 Sala Sismica INGV-Roma 94926821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-01 17:06:54 ± 0.09
Latitude 43.0550 ± 0.0027
Longitude 13.0418 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94926821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 133
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.22753
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 94926821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-01 17:13:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-09-01T17:07:03.32 0.3 undecidable manual S 167 25.2525 94 -0.06 72
IV.CESI.HHZ. 2021-09-01T17:07:00.16 0.3 undecidable manual S 244 12.4764 116 0.12 73
IV.CSP1.EHZ. 2021-09-01T17:07:00.38 0.3 undecidable manual S 73 13.875 111 0 74
IV.NRCA.HHZ. 2021-09-01T17:06:59.36 0.1 undecidable manual P 167 25.2525 94 -0.12 95
IV.MML1.EHZ. 2021-09-01T17:06:59.05 0.3 undecidable manual S 319 8.5803 133 -0.15 73
IV.FDMO.HHZ. 2021-09-01T17:06:58.44 0.6 undecidable manual S 119 4.1958 155 -0.06 50
IV.MML1.EHZ. 2021-09-01T17:06:57.04 0.1 undecidable manual P 319 8.5803 133 -0.03 99
IV.CESI.HHZ. 2021-09-01T17:06:57.68 0.1 undecidable manual P 244 12.4764 116 0.12 98
IV.CSP1.EHZ. 2021-09-01T17:06:57.84 0.1 undecidable manual P 73 13.875 111 0.09 98
IV.FDMO.HHZ. 2021-09-01T17:06:56.72 0.1 undecidable manual P 119 4.1958 155 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.0000498 0.08 AML other m 2021-09-01T17:06:58.66
IV.FDMO.HHE. ML:0.5 0.00004485 0.28 AML other m 2021-09-01T17:06:58.82
IV.MML1.EHN. ML:0.4 0.0000279 1.36 AML other m 2021-09-01T17:06:59.28
IV.MML1.EHE. ML:0.6 0.00004720000000000001 0.16 AML other m 2021-09-01T17:06:59.38
IV.CESI.HHN. ML:0.5 0.00002925 0.48 AML other m 2021-09-01T17:07:00.43
IV.CESI.HHE. ML:0.5 0.0000313 1.04 AML other m 2021-09-01T17:07:00.78
IV.NRCA.HHN. ML:0.6 0.000019200000000000003 1.24 AML other m 2021-09-01T17:07:04.06
IV.NRCA.HHE. ML:0.6 0.00001875 0.42 AML other m 2021-09-01T17:07:05.95
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