Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 19-09-2021 and time 02:45:47 (Italy) in region 1 km NW Santa Vittoria in Matenano (FM)

A magnitude ML 1.1 earthquake occured in region: 1 km NW Santa Vittoria in Matenano (FM), on

  • 19-09-2021 00:45:47 (UTC)
  • 19-09-2021 02:45:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0270, 13.4830 at 23 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Santa Vittoria in Matenano FM 1 1330 1330
Monte San Martino MC 4 765 2095
Smerillo FM 4 365 2460
Montelparo FM 4 778 3238
Monteleone di Fermo FM 4 395 3633
Montefalcone Appennino FM 5 424 4057
Penna San Giovanni MC 6 1108 5165
Servigliano FM 6 2336 7501
Force AP 7 1354 8855
Monsampietro Morico FM 8 659 9514
Monte Rinaldo FM 8 379 9893
Belmonte Piceno FM 9 646 10539
Falerone FM 9 3337 13876
Montottone FM 9 979 14855
Comunanza AP 10 3166 18021
Rotella AP 10 906 18927
Ortezzano FM 10 774 19701
Montedinove AP 11 488 20189
Monte Vidon Corrado FM 11 731 20920
Sant'Angelo in Pontano MC 11 1436 22356
Montalto delle Marche AP 11 2122 24478
Amandola FM 12 3629 28107
Montappone FM 12 1682 29789
Monte Vidon Combatte FM 12 433 30222
Montegiorgio FM 12 6851 37073
Gualdo MC 13 815 37888
Grottazzolina FM 14 3398 41286
Massa Fermana FM 14 963 42249
Monte Giberto FM 14 801 43050
Palmiano AP 14 196 43246
Sarnano MC 15 3264 46510
Petritoli FM 15 2335 48845
Montefortino FM 15 1178 50023
Castignano AP 15 2796 52819
Magliano di Tenna FM 15 1452 54271
Ripe San Ginesio MC 16 852 55123
Venarotta AP 16 2066 57189
San Ginesio MC 16 3498 60687
Loro Piceno MC 16 2401 63088
Carassai AP 16 1100 64188
Ponzano di Fermo FM 17 1674 65862
Cossignano AP 17 978 66840
Rapagnano FM 18 2145 68985
Mogliano MC 18 4696 73681
Colmurano MC 18 1263 74944
Roccafluvione AP 18 2010 76954
Montemonaco AP 19 604 77558
Francavilla d'Ete FM 19 964 78522
Offida AP 20 5058 83580
Monte San Pietrangeli FM 20 2458 86038

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Teramo (54892 inhabitants)
64 Km E of Foligno (57155 inhabitants)
66 Km S of Ancona (100861 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
79 Km NW of Montesilvano (53738 inhabitants)
86 Km NE of Terni (111501 inhabitants)
86 Km NW of Pescara (121014 inhabitants)
89 Km E of Perugia (166134 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
98 Km SE 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 1.1 2021-09-19
00:45:47		 43.0273 13.4832 23 2021-09-19
00:59:21		 Sala Sismica INGV-Roma 95608981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-19 00:45:47 ± 0.15
Latitude 43.0273 ± 0.0063
Longitude 13.4832 ± 0.0074
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95608981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 665
Semi-minor axis of confidence ellipse (meter) 498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.41099
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 95608981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-19 00:59:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2021-09-19T00:46:03.11 0.1 undecidable manual S 195 45.621 110 0.4 87
IV.MML1.EHZ. 2021-09-19T00:46:02.30 0.3 undecidable manual S 283 42.5241 112 0.36 67
IV.NRCA.HHZ. 2021-09-19T00:46:00.81 0.1 undecidable manual S 234 36.8298 115 0.26 92
IV.FDMO.HHZ. 2021-09-19T00:45:59.52 0.1 undecidable manual S 272 32.1456 119 0.1 96
IV.CSP1.EHZ. 2021-09-19T00:45:57.51 0.1 undecidable manual S 288 23.6541 129 -0.03 96
IV.SMA1.EHZ. 2021-09-19T00:45:56.04 0.1 undecidable manual P 195 45.621 110 -0.24 90
IV.MMO1.EHZ. 2021-09-19T00:45:56.38 0.1 undecidable manual S 222 19.0698 136 -0.25 94
IV.GUMA.HHZ. 2021-09-19T00:45:55.58 0.1 undecidable manual S 288 12.5763 148 0.02 100
IV.MML1.EHZ. 2021-09-19T00:45:55.84 0.6 positive manual P 283 42.5241 112 0.01 47
IV.MNTT.EHZ. 2021-09-19T00:45:55.45 0.1 undecidable manual S 67 9.879 154 0.24 95
IV.FDMO.HHZ. 2021-09-19T00:45:54.29 0.6 positive manual P 272 32.1456 119 -0.09 47
IV.NRCA.HHZ. 2021-09-19T00:45:54.99 0.1 undecidable manual P 234 36.8298 115 -0.04 94
IV.MF5.EHZ. 2021-09-19T00:45:54.63 0.1 undecidable manual S 203 4.7952 167 -0.13 99
IV.CSP1.EHZ. 2021-09-19T00:45:53.20 0.3 positive manual P 288 23.6541 129 -0.09 72
IV.GUMA.HHZ. 2021-09-19T00:45:52.08 0.1 positive manual P 288 12.5763 148 -0.07 98
IV.MMO1.EHZ. 2021-09-19T00:45:52.60 0.3 negative manual P 222 19.0698 136 -0.16 71
IV.MF5.EHZ. 2021-09-19T00:45:51.60 0.1 undecidable manual P 203 4.7952 167 -0.08 100
IV.MNTT.EHZ. 2021-09-19T00:45:51.95 0.1 undecidable manual P 67 9.879 154 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:1.4 0.000144 0.3 AML other m 2021-09-19T00:45:55.71
IV.GUMA.HHN. ML:1.2 0.00008889999999999999 0.24 AML other m 2021-09-19T00:45:55.77
IV.MNTT.EHN. ML:1.2 0.00009365 1.14 AML other m 2021-09-19T00:45:58.64
IV.MNTT.EHE. ML:1.1 0.0000854 0.74 AML other m 2021-09-19T00:45:58.27
IV.FDMO.HHE. ML:1.0 0.000035749999999999995 0.2 AML other m 2021-09-19T00:45:59.80
IV.FDMO.HHN. ML:1.0 0.000034250000000000006 0.12 AML other m 2021-09-19T00:45:59.89
IV.NRCA.HHN. ML:1.0 0.0000305 1.4 AML other m 2021-09-19T00:46:01.19
IV.NRCA.HHE. ML:0.8 0.00002065 1.16 AML other m 2021-09-19T00:46:01.01
IV.MML1.EHN. ML:1.3 0.00005645 0.16 AML other m 2021-09-19T00:46:02.74
IV.MML1.EHE. ML:1.1 0.000034450000000000004 0.16 AML other m 2021-09-19T00:46:02.86
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