Earthquake with magnitude of ML 0.9 on date 27-09-2022 and time 21:34:00 (Italy) in region 4 km E Sefro (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km E Sefro (MC), on

  • 27-09-2022 19:34:00 (UTC)
  • 27-09-2022 21:34:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1460, 12.9960 at 13 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
Sefro MC 4 422 422
Pioraco MC 4 1134 1556
Camerino MC 6 6974 8530
Fiuminata MC 7 1402 9932
Muccia MC 8 915 10847
Serravalle di Chienti MC 9 1070 11917
Castelraimondo MC 9 4587 16504
Pievebovigliana MC 12 866 17370
Pieve Torina MC 12 1458 18828
Gagliole MC 12 620 19448
Matelica MC 13 9981 29429
Esanatoglia MC 13 2034 31463
Fiordimonte MC 14 202 31665
Serrapetrona MC 16 966 32631
Monte Cavallo MC 17 145 32776
Nocera Umbra PG 17 5839 38615
San Severino Marche MC 18 12726 51341
Fiastra MC 18 559 51900
Caldarola MC 19 1823 53723
Acquacanina MC 19 121 53844
Gualdo Tadino PG 20 15208 69052
Cerreto d'Esi AN 20 3817 72869
Belforte del Chienti MC 20 1886 74755

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
71 Km NE of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
97 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
Bulletin
Rev1000
ML 0.9 2022-09-27
19:34:00
43.1455 12.9962 13 2024-03-01
15:27:58
Bollettino Sismico Italiano INGV 111344441
Reviewed
Rev100
ML 0.8 2022-09-27
19:34:00
43.1452 13.0043 11 2022-09-27
19:38:05
Sala Sismica INGV-Roma 110228461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 19:34:00 ± 0.04
Latitude 43.1455 ± 0.0018
Longitude 12.9962 ± 0.0037
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111344441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 120
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 111344441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-31 11:27:18

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 110228461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 19:38:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2022-09-27T19:34:11.36 0.3 undecidable manual S 149 30.3474 96 0.26 69
IV.FOSV.HNE. 2022-09-27T19:34:09.54 0.3 undecidable manual S 311 25.1526 99 -0.2 71
IV.EL6.EHZ. 2022-09-27T19:34:08.96 0.3 undecidable manual S 23 22.0668 101 0.03 73
IV.CESI.HHZ. 2022-09-27T19:34:07.75 0.1 undecidable manual S 205 17.2716 109 0.07 97
IV.CSP1.EHZ. 2022-09-27T19:34:07.87 0.3 undecidable manual S 109 17.9709 107 0.02 74
IT.MTCL.HGE. 2022-09-27T19:34:07.37 0.3 undecidable manual S 179 16.872 110 -0.2 71
IV.MC2.EHZ. 2022-09-27T19:34:06.63 0.1 undecidable manual P 149 30.3474 96 0 96
IV.SNTG.HNE. 2022-09-27T19:34:06.56 0.3 undecidable manual S 340 12.9759 121 -0.07 74
IV.FDMO.HHZ. 2022-09-27T19:34:06.71 0.3 undecidable manual S 149 14.1747 117 -0.21 71
IV.MML1.EHZ. 2022-09-27T19:34:05.18 0.3 undecidable manual S 209 4.0959 158 0.1 75
IV.FOSV.HNE. 2022-09-27T19:34:05.93 0.3 undecidable manual P 311 25.1526 99 0.08 72
IV.EL6.EHZ. 2022-09-27T19:34:05.35 0.1 undecidable manual P 23 22.0668 101 -0.03 97
IT.MTCL.HGE. 2022-09-27T19:34:04.58 0.1 undecidable manual P 179 16.872 110 -0.01 99
IV.CESI.HHZ. 2022-09-27T19:34:04.76 0.1 undecidable manual P 205 17.2716 109 0.1 97
IV.SNTG.HNE. 2022-09-27T19:34:04.16 0.1 undecidable manual P 340 12.9759 121 0.1 98
IV.CSP1.EHZ. 2022-09-27T19:34:04.72 0.1 undecidable manual P 109 17.9709 107 -0.03 97
IV.FDMO.HHZ. 2022-09-27T19:34:04.17 0.1 undecidable manual P 149 14.1747 117 -0.05 98
IV.MML1.EHZ. 2022-09-27T19:34:03.22 0.1 undecidable manual P 209 4.0959 158 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.8 0.00009285000000000001 0.28 AML other m 2022-09-27T19:34:05.45
IV.MML1.EHN. ML:0.8 0.00007745 0.78 AML other m 2022-09-27T19:34:05.76
IV.FDMO.HHE. ML:0.8 0.00005475 1.44 AML other m 2022-09-27T19:34:06.12
IV.FDMO.HHN. ML:1.0 0.0000826 1.2 AML other m 2022-09-27T19:34:06.27
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