Earthquake with magnitude of ML 1.2 on date 21-09-2023 and time 08:28:19 (Italy) in region 3 km S Sarnano (MC)

A magnitude ML 1.2 earthquake occured in region: 3 km S Sarnano (MC), on

  • 21-09-2023 06:28:19 (UTC)
  • 21-09-2023 08:28:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 13.2990 at 16 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
Sarnano MC 3 3264 3264
Amandola FM 5 3629 6893
Bolognola MC 6 142 7035
Gualdo MC 8 815 7850
Montefortino FM 8 1178 9028
Acquacanina MC 10 121 9149
Comunanza AP 11 3166 12315
San Ginesio MC 12 3498 15813
Penna San Giovanni MC 12 1108 16921
Monte San Martino MC 12 765 17686
Montemonaco AP 12 604 18290
Cessapalombo MC 12 512 18802
Smerillo FM 12 365 19167
Fiastra MC 12 559 19726
Sant'Angelo in Pontano MC 13 1436 21162
Montefalcone Appennino FM 13 424 21586
Camporotondo di Fiastrone MC 14 563 22149
Ussita MC 15 444 22593
Caldarola MC 16 1823 24416
Santa Vittoria in Matenano FM 16 1330 25746
Force AP 16 1354 27100
Ripe San Ginesio MC 16 852 27952
Castelsantangelo sul Nera MC 17 281 28233
Fiordimonte MC 17 202 28435
Palmiano AP 18 196 28631
Servigliano FM 18 2336 30967
Colmurano MC 18 1263 32230
Falerone FM 18 3337 35567
Montegallo AP 18 523 36090
Belforte del Chienti MC 18 1886 37976
Pievebovigliana MC 19 866 38842
Visso MC 19 1107 39949
Montelparo FM 19 778 40727
Monteleone di Fermo FM 19 395 41122
Monte Vidon Corrado FM 20 731 41853

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
70 Km S of Ancona (100861 inhabitants)
73 Km NE of Terni (111501 inhabitants)
73 Km N of L'Aquila (69753 inhabitants)
75 Km E of Perugia (166134 inhabitants)
88 Km NW of Montesilvano (53738 inhabitants)
96 Km NW of Pescara (121014 inhabitants)
96 Km S of Fano (60888 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 2023-09-21
06:28:19
43.0057 13.2993 16 2023-09-21
06:39:27
Sala Sismica INGV-Roma 121300221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-21 06:28:19 ± 0.12
Latitude 43.0057 ± 0.0027
Longitude 13.2993 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121300221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 367
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26260
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 121300221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-21 06:39:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2023-09-21T06:29:23.04 3.0 undecidable manual Sn 3.5 0
IV.MCRV.HHZ. 2023-09-21T06:29:10.63 3.0 undecidable manual Sg 14.05 0
7C.SPAOL.HNZ. 2023-09-21T06:29:08.56 3.0 undecidable manual Pg 15.95 0
CH.GIMEL.HHZ. 2023-09-21T06:29:01.95 3.0 undecidable manual Pn 5.49 0
IV.IVGP.HHZ. 2023-09-21T06:28:51.86 3.0 undecidable manual Pn 9.92 0
IV.PIPA.HHZ. 2023-09-21T06:28:48.83 3.0 undecidable manual Pn 10.07 0
GU.GBOS.HHZ. 2023-09-21T06:28:44.85 3.0 undecidable manual Pg 14.25 0
IV.PTRJ.HHZ. 2023-09-21T06:28:40.91 3.0 undecidable manual Sn -1.78 0
IV.LPEL.HHZ. 2023-09-21T06:28:35.94 3.0 undecidable manual Sg 3.54 0
IV.CAR1.HHZ. 2023-09-21T06:28:35.47 3.0 positive manual Pn -2.13 0
IV.MML1.EHZ. 2023-09-21T06:28:29.69 0.3 undecidable manual S 294 29.1486 106 0.25 68
IV.NRCA.HHZ. 2023-09-21T06:28:28.42 0.3 undecidable manual S 218 24.2535 110 0.21 70
IV.PF6.EHE. 2023-09-21T06:28:26.22 0.6 undecidable manual S 330 16.9719 122 -0.23 47
IV.MC2.EHZ. 2023-09-21T06:28:26.16 0.3 undecidable manual S 221 13.7751 130 0.4 68
MN.TRI.HHZ. 2023-09-21T06:28:25.72 3.0 positive manual Pn 7.38 0
7F.SIB2.EHE. 2023-09-21T06:28:25.31 0.6 undecidable manual S 178 12.6762 133 -0.24 47
IV.MMO1.EHZ. 2023-09-21T06:28:25.13 0.3 undecidable manual S 169 11.9769 135 -0.28 70
7F.SIB1.EHE. 2023-09-21T06:28:25.66 0.6 undecidable manual S 191 12.5763 133 0.14 48
IV.SAP2.EHE. 2023-09-21T06:28:25.63 0.6 undecidable manual S 39 12.9759 132 0.04 49
IV.CSP1.EHZ. 2023-09-21T06:28:25.44 0.3 undecidable manual S 321 12.2766 134 -0.02 74
IV.MML1.EHZ. 2023-09-21T06:28:25.06 0.1 undecidable manual P 294 29.1486 106 0.03 95
7F.SIB3.EHE. 2023-09-21T06:28:25.76 0.6 undecidable manual S 189 14.6742 128 -0.19 47
IV.MF5.EHZ. 2023-09-21T06:28:25.87 0.3 undecidable manual S 99 13.1757 132 0.23 71
IV.GUMA.HHZ. 2023-09-21T06:28:24.69 0.3 undecidable manual S 25 6.993 151 0.09 74
IV.NRCA.HHZ. 2023-09-21T06:28:24.43 0.1 undecidable manual P 218 24.2535 110 0.1 95
IV.MC2.EHZ. 2023-09-21T06:28:23.05 0.1 undecidable manual P 221 13.7751 130 0.14 96
IV.PF6.EHE. 2023-09-21T06:28:23.07 0.1 undecidable manual P 330 16.9719 122 -0.24 94
IV.CSP1.EHZ. 2023-09-21T06:28:22.71 0.1 undecidable manual P 321 12.2766 134 -0.03 99
7F.SIB3.EHE. 2023-09-21T06:28:22.89 0.1 undecidable manual P 189 14.6742 128 -0.13 96
IV.MF5.EHZ. 2023-09-21T06:28:22.93 0.1 undecidable manual P 99 13.1757 132 0.09 97
7F.SIB2.EHE. 2023-09-21T06:28:22.59 0.1 undecidable manual P 178 12.6762 133 -0.2 95
IV.GUMA.HHZ. 2023-09-21T06:28:22.25 0.1 undecidable manual P 25 6.993 151 0 100
IV.MMO1.EHZ. 2023-09-21T06:28:22.51 0.1 undecidable manual P 169 11.9769 135 -0.2 95
7F.SIB1.EHE. 2023-09-21T06:28:22.81 0.3 undecidable manual P 191 12.5763 133 0.04 74
IV.SAP2.EHE. 2023-09-21T06:28:22.95 0.6 undecidable manual P 39 12.9759 132 0.13 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.HNN. ML:1.6 0.00016663040000000002 0.7296 AML other m 2023-09-21T06:28:30.29
IV.GUMA.HHE. ML:1.5 0.0003255 0.32 AML other m 2023-09-21T06:28:24.92
IV.MMO1.EHN. ML:1.3 0.0001625 0.2 AML other m 2023-09-21T06:28:25.45
IV.GUMA.HHN. ML:1.1 0.0001308 0.32 AML other m 2023-09-21T06:28:25.67
IV.MMO1.EHE. ML:0.9 0.0000705 0.58 AML other m 2023-09-21T06:28:26.11
IV.NRCA.HHN. ML:1.0 0.000056550000000000006 0.5 AML other m 2023-09-21T06:28:28.50
IV.NRCA.HHE. ML:0.9 0.000039 0.26 AML other m 2023-09-21T06:28:28.62
IV.MML1.HNE. ML:1.6 0.00019250000000000002 1.16 AML other m 2023-09-21T06:28:31.05
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