Earthquake with magnitude of ML 1.2 on date 21-03-2023 and time 16:08:37 (UTC) in region 3 km E Serravalle di Chienti (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km E Serravalle di Chienti (MC), on

  • 21-03-2023 16:08:37 (UTC)
  • 21-03-2023 17:08:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0800, 12.9890 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
Serravalle di Chienti MC 3 1070 1070
Muccia MC 5 915 1985
Pieve Torina MC 6 1458 3443
Pievebovigliana MC 8 866 4309
Sefro MC 8 422 4731
Camerino MC 9 6974 11705
Fiordimonte MC 10 202 11907
Monte Cavallo MC 10 145 12052
Pioraco MC 11 1134 13186
Fiuminata MC 13 1402 14588
Fiastra MC 15 559 15147
Castelraimondo MC 16 4587 19734
Acquacanina MC 16 121 19855
Nocera Umbra PG 17 5839 25694
Visso MC 18 1107 26801
Gagliole MC 19 620 27421
Valtopina PG 19 1398 28819
Ussita MC 19 444 29263
Esanatoglia MC 20 2034 31297
Serrapetrona MC 20 966 32263
Matelica MC 20 9981 42244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
99 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 1.2 2023-03-21
16:08:37
43.0802 12.9893 13 2023-03-21
16:13:52
Sala Sismica INGV-Roma 115594961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-21 16:08:37 ± 0.08
Latitude 43.0802 ± 0.0036
Longitude 12.9893 ± 0.0049
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 115594961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115594961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-21 16:13:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-03-21T16:08:48.18 0.6 undecidable manual S 160 29.1486 98 -0.07 50
IV.FOSV.EHZ. 2023-03-21T16:08:48.48 0.6 undecidable manual S 322 30.1476 97 -0.02 49
IV.ASSB.HHZ. 2023-03-21T16:08:47.67 0.6 undecidable manual S 261 27.1506 99 -0.04 50
IV.ARVD.HHZ. 2023-03-21T16:08:46.20 3.0 negative manual P -0.25 0
IV.SSFR.HHZ. 2023-03-21T16:08:45.85 0.6 negative manual P 337 42.9237 94 -0.16 47
IV.CSP1.EHZ. 2023-03-21T16:08:45.29 0.6 undecidable manual S 86 17.4714 110 0.08 50
IV.SNTG.HHZ. 2023-03-21T16:08:45.59 0.6 undecidable manual S 348 19.7691 106 -0.2 48
IV.MURB.HHZ. 2023-03-21T16:08:45.94 3.0 undecidable manual P 0.05 0
IV.FOSV.EHZ. 2023-03-21T16:08:44.53 0.1 undecidable manual P 322 30.1476 97 0.48 90
IV.ATCC.EHZ. 2023-03-21T16:08:44.13 0.6 positive manual P 292 30.5472 97 0.01 50
IV.EL6.EHZ. 2023-03-21T16:08:43.86 0.6 positive manual P 18 29.0487 98 -0.03 49
IV.CESI.HHZ. 2023-03-21T16:08:43.62 0.6 undecidable manual S 219 10.7781 129 -0.03 51
IV.ASSB.HHZ. 2023-03-21T16:08:43.45 0.1 negative manual P 261 27.1506 99 -0.14 98
IV.NRCA.HHZ. 2023-03-21T16:08:43.81 0.1 positive manual P 160 29.1486 98 -0.1 99
IV.SNTG.HHZ. 2023-03-21T16:08:42.45 1.0 undecidable manual P 348 19.7691 106 -0.04 25
IV.CSP1.EHZ. 2023-03-21T16:08:42.25 1.0 positive manual P 86 17.4714 110 0.1 25
IV.MML1.EHZ. 2023-03-21T16:08:42.39 0.6 undecidable manual S 339 3.996 159 -0.18 50
IV.CESI.HHZ. 2023-03-21T16:08:41.35 0.1 negative manual P 219 10.7781 129 0.1 100
IV.MML1.EHZ. 2023-03-21T16:08:40.62 1.0 undecidable manual P 339 3.996 159 -0.01 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:1.0 0.00014050000000000003 0.46 AML other m 2023-03-21T16:08:42.85
IV.MML1.EHN. ML:1.0 0.000124 1.32 AML other m 2023-03-21T16:08:42.77
IV.CESI.HHN. ML:1.6 0.000457 0.14 AML other m 2023-03-21T16:08:43.78
IV.CESI.HHE. ML:1.6 0.000371 0.16 AML other m 2023-03-21T16:08:43.80
IV.NRCA.HHN. ML:1.0 0.000043349999999999997 0.48 AML other m 2023-03-21T16:08:49.48
IV.NRCA.HHE. ML:1.0 0.0000506 0.92 AML other m 2023-03-21T16:08:50.67
IV.MURB.HHE. ML:1.4 0.00007565 0.3 AML other m 2023-03-21T16:08:53.04
IV.MURB.HHN. ML:1.2 0.00005085 0.82 AML other m 2023-03-21T16:08:53.26
IV.SSFR.HHE. ML:1.1 0.00003915 0.18 AML other m 2023-03-21T16:08:53.65
IV.SSFR.HHN. ML:1.1 0.00003875 0.2 AML other m 2023-03-21T16:08:53.65
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