Earthquake with magnitude of ML 0.7 on date 23-09-2021 and time 12:24:03 (Italy) in region 2 km NW Pioraco (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km NW Pioraco (MC), on

  • 23-09-2021 10:24:03 (UTC)
  • 23-09-2021 12:24:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1930, 12.9760 at 13 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
Pioraco MC 2 1134 1134
Fiuminata MC 4 1402 2536
Sefro MC 6 422 2958
Esanatoglia MC 7 2034 4992
Castelraimondo MC 7 4587 9579
Matelica MC 8 9981 19560
Gagliole MC 9 620 20180
Camerino MC 10 6974 27154
Muccia MC 13 915 28069
Serravalle di Chienti MC 14 1070 29139
Cerreto d'Esi AN 14 3817 32956
Gualdo Tadino PG 16 15208 48164
Pievebovigliana MC 17 866 49030
San Severino Marche MC 17 12726 61756
Fabriano AN 17 31480 93236
Serrapetrona MC 17 966 94202
Nocera Umbra PG 18 5839 100041
Pieve Torina MC 18 1458 101499
Fiordimonte MC 20 202 101701

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
65 Km SW of Ancona (100861 inhabitants)
73 Km S of Fano (60888 inhabitants)
75 Km NE of Terni (111501 inhabitants)
80 Km S of Pesaro (94582 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
94 Km E of Arezzo (99543 inhabitants)
100 Km NW of L'Aquila (69753 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 0.7 2021-09-23
10:24:03
43.193 12.9762 13 2021-09-23
10:33:08
Sala Sismica INGV-Roma 95780451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-23 10:24:03 ± 0.05
Latitude 43.1930 ± 0.0018
Longitude 12.9762 ± 0.0037
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95780451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 247
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.19515
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 95780451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-23 10:33:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-09-23T10:24:11.97 0.3 undecidable manual S 121 21.6672 104 -0.06 73
IV.EL6.EHZ. 2021-09-23T10:24:11.18 0.3 undecidable manual S 34 18.1707 109 0.03 74
IV.MML1.EHZ. 2021-09-23T10:24:09.06 0.3 undecidable manual S 182 8.7801 137 0.02 75
IV.SNTG.HHZ. 2021-09-23T10:24:08.70 0.3 undecidable manual S 337 7.4814 143 -0.1 74
IV.CESI.HHZ. 2021-09-23T10:24:08.55 0.1 undecidable manual P 196 21.6672 104 0.04 98
IV.FDMO.HHZ. 2021-09-23T10:24:08.10 0.1 undecidable manual P 153 19.5693 107 -0.1 97
IV.PF6.EHZ. 2021-09-23T10:24:08.09 0.1 undecidable manual P 109 18.6702 108 0.01 99
IV.CSP1.EHZ. 2021-09-23T10:24:08.54 0.1 undecidable manual P 121 21.6672 104 0.03 98
IV.EL6.EHZ. 2021-09-23T10:24:08.01 0.1 undecidable manual P 34 18.1707 109 0.01 99
IV.SNTG.HHZ. 2021-09-23T10:24:06.70 0.1 undecidable manual P 337 7.4814 143 0.05 100
IV.MML1.EHZ. 2021-09-23T10:24:06.84 0.1 undecidable manual P 182 8.7801 137 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.7 0.00005045 0.64 AML other m 2021-09-23T10:24:09.45
IV.MML1.EHE. ML:0.7 0.000048049999999999996 0.64 AML other m 2021-09-23T10:24:09.46
IV.FDMO.HHE. ML:0.7 0.0000327 0.22 AML other m 2021-09-23T10:24:11.52
IV.FDMO.HHN. ML:0.7 0.000036700000000000004 0.16 AML other m 2021-09-23T10:24:11.70
IV.SNTG.HHE. ML:0.6 0.000045995555 0.1408 AML other m 2021-09-23T10:24:08.91
IV.SNTG.HHN. ML:0.5 0.000036915175 0.1408 AML other m 2021-09-23T10:24:08.85
IV.CSP1.EHN. ML:0.9 0.000054401379999999996 0.1216 AML other m 2021-09-23T10:24:12.68
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