Earthquake with magnitude of ML 1.4 on date 07-09-2021 and time 21:28:01 (Italy) in region 2 km W Sarnano (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km W Sarnano (MC), on

  • 07-09-2021 19:28:01 (UTC)
  • 07-09-2021 21:28:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0370, 13.2790 at 24 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 2 3264 3264
Gualdo MC 6 815 4079
Bolognola MC 6 142 4221
Cessapalombo MC 8 512 4733
Acquacanina MC 9 121 4854
San Ginesio MC 9 3498 8352
Amandola FM 9 3629 11981
Fiastra MC 10 559 12540
Camporotondo di Fiastrone MC 11 563 13103
Montefortino FM 12 1178 14281
Sant'Angelo in Pontano MC 12 1436 15717
Penna San Giovanni MC 12 1108 16825
Caldarola MC 12 1823 18648
Monte San Martino MC 13 765 19413
Ripe San Ginesio MC 14 852 20265
Smerillo FM 14 365 20630
Comunanza AP 14 3166 23796
Belforte del Chienti MC 15 1886 25682
Fiordimonte MC 15 202 25884
Ussita MC 15 444 26328
Colmurano MC 16 1263 27591
Montefalcone Appennino FM 16 424 28015
Montemonaco AP 16 604 28619
Pievebovigliana MC 16 866 29485
Serrapetrona MC 17 966 30451
Santa Vittoria in Matenano FM 18 1330 31781
Falerone FM 18 3337 35118
Servigliano FM 18 2336 37454
Loro Piceno MC 18 2401 39855
Pieve Torina MC 19 1458 41313
Castelsantangelo sul Nera MC 19 281 41594
Montappone FM 19 1682 43276
Force AP 19 1354 44630
Tolentino MC 19 20069 64699
Monte Vidon Corrado FM 19 731 65430
Visso MC 19 1107 66537
Urbisaglia MC 20 2628 69165
Muccia MC 20 915 70080

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Foligno (57155 inhabitants)
55 Km NW of Teramo (54892 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
73 Km E of Perugia (166134 inhabitants)
74 Km NE of Terni (111501 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
92 Km S of Fano (60888 inhabitants)
99 Km NW of Pescara (121014 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 1.4 2021-09-07
19:28:01
43.0373 13.2792 24 2021-09-07
19:31:57
Sala Sismica INGV-Roma 95169281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-07 19:28:01 ± 0.18
Latitude 43.0373 ± 0.0054
Longitude 13.2792 ± 0.0098
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95169281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 692
Semi-minor axis of confidence ellipse (meter) 478
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) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45326
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 95169281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-07 19:31:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-09-07T19:28:18.15 0.6 undecidable manual S 271 50.3163 109 0.38 43
IV.EL6.EHZ. 2021-09-07T19:28:14.40 0.6 undecidable manual S 336 35.4423 117 0.3 45
IV.CESI.HHZ. 2021-09-07T19:28:13.39 0.6 undecidable manual S 263 30.5472 122 0.42 44
IV.NRCA.HHZ. 2021-09-07T19:28:12.04 0.6 undecidable manual S 211 26.2515 126 0.02 49
IV.TERO.HHZ. 2021-09-07T19:28:11.25 3.0 undecidable manual P -0.19 0
IV.MML1.EHZ. 2021-09-07T19:28:11.93 0.6 undecidable manual S 289 26.2515 126 -0.1 48
IV.FDMO.HHZ. 2021-09-07T19:28:10.07 0.6 undecidable manual S 270 15.5733 143 0.1 48
IV.SMA1.EHZ. 2021-09-07T19:28:10.31 3.0 negative manual P 0.08 0
IV.ASSB.HHZ. 2021-09-07T19:28:10.72 0.1 negative manual P 271 50.3163 109 -0.09 92
IV.MF5.EHZ. 2021-09-07T19:28:10.50 0.6 undecidable manual S 111 15.6732 143 0.51 45
IV.PF6.EHZ. 2021-09-07T19:28:09.10 0.6 undecidable manual S 328 13.0758 148 -0.5 45
IV.MMO1.EHZ. 2021-09-07T19:28:09.71 0.6 undecidable manual S 166 15.7731 143 -0.3 46
IV.GUMA.HHZ. 2021-09-07T19:28:09.16 0.6 undecidable manual S 58 5.3946 166 0.37 47
IV.MC2.EHZ. 2021-09-07T19:28:09.89 0.6 undecidable manual S 208 15.7731 143 -0.12 48
IV.CESI.HHZ. 2021-09-07T19:28:08.15 0.1 undecidable manual P 263 30.5472 122 0.11 95
IV.CSP1.EHZ. 2021-09-07T19:28:08.79 0.6 undecidable manual S 315 8.4804 158 -0.26 48
IV.EL6.EHZ. 2021-09-07T19:28:08.59 1.0 negative manual P 336 35.4423 117 -0.1 24
IV.MNTT.EHZ. 2021-09-07T19:28:07.86 3.0 positive manual Pn 0.33 0
IV.NRCA.HHZ. 2021-09-07T19:28:07.44 0.3 positive manual P 211 26.2515 126 -0.05 72
IV.MML1.EHZ. 2021-09-07T19:28:07.52 1.0 negative manual P 289 26.2515 126 0.03 24
IV.MC2.EHZ. 2021-09-07T19:28:06.47 0.1 positive manual P 208 15.7731 143 0.14 97
IV.MF5.EHZ. 2021-09-07T19:28:06.50 0.6 positive manual P 111 15.6732 143 0.18 48
IV.FDMO.HHZ. 2021-09-07T19:28:06.21 1.0 undecidable manual P 270 15.5733 143 -0.1 24
IV.MMO1.EHZ. 2021-09-07T19:28:06.22 0.6 undecidable manual P 166 15.7731 143 -0.11 48
IV.GUMA.HHZ. 2021-09-07T19:28:05.67 0.1 positive manual P 58 5.3946 166 0.05 100
IV.CSP1.EHZ. 2021-09-07T19:28:05.70 0.1 positive manual P 315 8.4804 158 -0.07 99
IV.PF6.EHZ. 2021-09-07T19:28:05.60 0.1 undecidable manual P 328 13.0758 148 -0.49 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.6 0.00023349999999999998 0.28 AML other m 2021-09-07T19:28:09.05
IV.GUMA.HHN. ML:1.4 0.0001835 0.34 AML other m 2021-09-07T19:28:09.37
IV.GUMA.HHE. ML:1.3 0.000127 0.14 AML other m 2021-09-07T19:28:09.38
IV.CSP1.EHE. ML:1.6 0.000249 0.6 AML other m 2021-09-07T19:28:09.37
IV.FDMO.HHE. ML:1.2 0.00009445 0.48 AML other m 2021-09-07T19:28:10.24
IV.FDMO.HHN. ML:1.0 0.0000615 0.74 AML other m 2021-09-07T19:28:10.99
IV.MML1.EHE. ML:1.2 0.000058099999999999996 0.2 AML other m 2021-09-07T19:28:12.73
IV.MML1.EHN. ML:1.5 0.00012725 0.2 AML other m 2021-09-07T19:28:12.85
IV.NRCA.HHE. ML:1.6 0.000184 0.62 AML other m 2021-09-07T19:28:12.68
IV.NRCA.HHN. ML:1.3 0.0000904 0.66 AML other m 2021-09-07T19:28:13.58
IV.CESI.HHN. ML:1.4 0.0000858 0.94 AML other m 2021-09-07T19:28:14.69
IV.CESI.HHE. ML:1.0 0.00003765 0.52 AML other m 2021-09-07T19:28:14.28
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