Earthquake with magnitude of ML 0.7 on date 31-03-2023 and time 19:42:08 (Italy) in region 3 km SE Pioraco (MC)

A magnitude ML 0.7 earthquake occured in region: 3 km SE Pioraco (MC), on

  • 31-03-2023 17:42:08 (UTC)
  • 31-03-2023 19:42:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1560, 13.0040 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.

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 3 1134 1134
Sefro MC 5 422 1556
Camerino MC 6 6974 8530
Fiuminata MC 7 1402 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 12 2034 29139
Pievebovigliana MC 12 866 30005
Pieve Torina MC 13 1458 31463
Fiordimonte MC 15 202 31665
Serrapetrona MC 15 966 32631
San Severino Marche MC 16 12726 45357
Monte Cavallo MC 18 145 45502
Nocera Umbra PG 18 5839 51341
Fiastra MC 18 559 51900
Caldarola MC 18 1823 53723
Cerreto d'Esi AN 19 3817 57540
Belforte del Chienti MC 19 1886 59426
Gualdo Tadino PG 20 15208 74634
Acquacanina MC 20 121 74755

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)
77 Km S of Fano (60888 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
84 Km S of Pesaro (94582 inhabitants)
95 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
Reviewed
Rev100
ML 0.7 2023-03-31
17:42:08
43.1558 13.0042 13 2023-03-31
17:49:29
Sala Sismica INGV-Roma 115922341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-31 17:42:08 ± 0.11
Latitude 43.1558 ± 0.0027
Longitude 13.0042 ± 0.0099
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 115922341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 572
Semi-minor axis of confidence ellipse (meter) 544
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16727
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 115922341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-31 17:49:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2023-03-31T17:43:37.00 3.0 undecidable manual Pg 17.4 0
IV.HPAC.HHZ. 2023-03-31T17:43:34.30 3.0 undecidable manual Pn -3.29 0
IV.USI.HHZ. 2023-03-31T17:43:24.91 3.0 undecidable manual Pg 17.24 0
IV.CADC.HNZ. 2023-03-31T17:43:17.36 3.0 undecidable manual Sn -6.13 0
IV.SACR.HHZ. 2023-03-31T17:43:14.46 3.0 undecidable manual Sg 10.85 0
IV.MESG.HHZ. 2023-03-31T17:43:12.74 3.0 undecidable manual Pg 5.27 0
GU.RSP.HHZ. 2023-03-31T17:43:10.47 3.0 undecidable manual Pn 2.11 0
OX.VARN.HHZ. 2023-03-31T17:43:09.97 3.0 undecidable manual Sn -9.04 0
GU.ENR.HHZ. 2023-03-31T17:43:09.41 3.0 undecidable manual Pn 6.34 0
GU.GSCL.HHZ. 2023-03-31T17:43:00.13 3.0 undecidable manual Sn -0.08 0
IV.RIBO.EHZ.01 2023-03-31T17:42:55.99 3.0 undecidable manual Sg 10.93 0
IV.LRP.EHZ. 2023-03-31T17:42:48.86 3.0 undecidable manual Sn -0.54 0
OX.MARN.HHZ. 2023-03-31T17:42:44.58 3.0 undecidable manual Pg 0.88 0
IV.IMOL.HNZ. 2023-03-31T17:42:27.56 3.0 undecidable manual Pg 1.11 0
IV.TERO.HHZ. 2023-03-31T17:42:16.15 3.0 undecidable manual P -1.24 0
IV.CESI.HHZ. 2023-03-31T17:42:15.80 0.6 undecidable manual S 206 18.5703 103 -0.14 49
IV.SNTG.HHZ. 2023-03-31T17:42:14.20 0.6 undecidable manual S 335 12.1767 121 -0.14 49
IV.FDMO.HHZ. 2023-03-31T17:42:14.89 0.6 undecidable manual S 153 14.874 112 -0.1 49
IV.MF5.EHZ. 2023-03-31T17:42:13.46 3.0 negative manual P -0.53 0
IV.MML1.EHE. 2023-03-31T17:42:13.06 0.6 undecidable manual S 209 5.3946 150 -0.02 51
IV.FDMO.HHZ. 2023-03-31T17:42:12.34 1.0 negative manual P 153 14.874 112 0.1 25
IV.CESI.HHZ. 2023-03-31T17:42:12.78 0.1 positive manual P 206 18.5703 103 -0.01 100
IV.MML1.EHE. 2023-03-31T17:42:11.25 0.1 undecidable manual P 209 5.3946 150 0.12 100
IV.SNTG.HHZ. 2023-03-31T17:42:11.91 0.6 undecidable manual P 335 12.1767 121 0.05 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.6 0.000038 0.14 AML other m 2023-03-31T17:42:14.41
IV.FDMO.HHE. ML:0.7 0.0000408 0.12 AML other m 2023-03-31T17:42:15.29
IV.FDMO.HHN. ML:0.7 0.000041099999999999996 0.76 AML other m 2023-03-31T17:42:15.52
IV.CESI.HHN. ML:0.7 0.00003965 1.64 AML other m 2023-03-31T17:42:15.91
IV.CESI.HHE. ML:0.9 0.00005525 1.62 AML other m 2023-03-31T17:42:15.96
IV.SNTG.HHN. ML:0.7 0.000050900000000000004 0.34 AML other m 2023-03-31T17:42:33.73
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