Earthquake with magnitude of ML 1.1 on date 22-10-2023 and time 07:22:26 (Italy) in region 2 km SE Pioraco (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km SE Pioraco (MC), on

  • 22-10-2023 05:22:26 (UTC)
  • 22-10-2023 07:22:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1590, 12.9950 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
Sefro MC 4 422 1556
Fiuminata MC 6 1402 2958
Camerino MC 7 6974 9932
Castelraimondo MC 8 4587 14519
Muccia MC 9 915 15434
Serravalle di Chienti MC 10 1070 16504
Gagliole MC 11 620 17124
Matelica MC 11 9981 27105
Esanatoglia MC 11 2034 29139
Pievebovigliana MC 13 866 30005
Pieve Torina MC 14 1458 31463
Fiordimonte MC 16 202 31665
Serrapetrona MC 16 966 32631
San Severino Marche MC 17 12726 45357
Nocera Umbra PG 17 5839 51196
Cerreto d'Esi AN 18 3817 55013
Monte Cavallo MC 18 145 55158
Gualdo Tadino PG 19 15208 70366
Fiastra MC 19 559 70925
Caldarola MC 19 1823 72748
Belforte del Chienti MC 20 1886 74634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
66 Km SW of Ancona (100861 inhabitants)
72 Km NE of Terni (111501 inhabitants)
76 Km S of Fano (60888 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
84 Km S of Pesaro (94582 inhabitants)
96 Km NW of L'Aquila (69753 inhabitants)
96 Km E of Arezzo (99543 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 1.1 2023-10-22
05:22:26
43.1592 12.9953 13 2023-10-22
05:35:15
Sala Sismica INGV-Roma 122279001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-22 05:22:26 ± 0.07
Latitude 43.1592 ± 0.0027
Longitude 12.9953 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122279001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 122279001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-22 05:35:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-10-22T05:22:39.36 0.1 undecidable manual S 165 37.3293 95 0.07 93
IV.ASSB.HHZ. 2023-10-22T05:22:37.38 0.3 undecidable manual S 245 30.1476 97 0.01 71
IV.FRON.EHZ. 2023-10-22T05:22:35.22 0.3 undecidable manual P 331 45.3213 94 -0.03 70
IV.CSP1.EHZ. 2023-10-22T05:22:34.25 0.1 undecidable manual S 114 18.5703 108 -0.08 97
IV.ARVD.HHZ. 2023-10-22T05:22:34.06 0.3 undecidable manual P 353 37.8288 95 -0.03 71
IV.CESI.HHZ. 2023-10-22T05:22:34.40 0.3 undecidable manual S 203 18.5703 108 0.05 73
IV.NRCA.HHZ. 2023-10-22T05:22:33.86 0.1 undecidable manual P 165 37.3293 95 -0.16 92
IV.GUMA.HHZ. 2023-10-22T05:22:33.10 0.1 undecidable manual P 111 29.5482 97 0.28 90
IV.FDMO.HHZ. 2023-10-22T05:22:33.28 0.3 undecidable manual S 151 15.4734 114 -0.29 70
IV.SNTG.HHZ. 2023-10-22T05:22:32.52 0.1 undecidable manual S 337 11.4774 127 -0.14 96
IV.ASSB.HHZ. 2023-10-22T05:22:32.89 0.3 undecidable manual P 245 30.1476 97 -0.03 71
IV.CSP1.EHZ. 2023-10-22T05:22:31.15 0.1 undecidable manual P 114 18.5703 108 -0.01 98
IV.MML1.EHZ. 2023-10-22T05:22:31.60 0.1 undecidable manual S 201 5.3946 152 0.01 100
IV.CESI.HHZ. 2023-10-22T05:22:31.30 0.1 undecidable manual P 203 18.5703 108 0.13 96
IV.FDMO.HHZ. 2023-10-22T05:22:30.62 0.1 undecidable manual P 151 15.4734 114 -0.1 97
IV.SNTG.HHZ. 2023-10-22T05:22:30.21 0.1 undecidable manual P 337 11.4774 127 0.02 99
IV.MML1.EHZ. 2023-10-22T05:22:29.77 0.1 undecidable manual P 201 5.3946 152 0.19 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:1.2 0.00014299999999999998 0.18 AML other m 2023-10-22T05:22:32.64
IV.SNTG.HHN. ML:1.0 0.00010499999999999999 0.14 AML other m 2023-10-22T05:22:32.75
IV.CESI.HHN. ML:1.1 0.00008695 0.34 AML other m 2023-10-22T05:22:34.62
IV.CESI.HHE. ML:1.1 0.0000964 0.28 AML other m 2023-10-22T05:22:34.73
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