Earthquake with magnitude of ML 1.4 on date 12-09-2021 and time 00:39:33 (Italy) in region 3 km E Montalto delle Marche (AP)

A magnitude ML 1.4 earthquake occured in region: 3 km E Montalto delle Marche (AP), on

  • 11-09-2021 22:39:33 (UTC)
  • 12-09-2021 00:39:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9900, 13.6420 at 26 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Montalto delle Marche AP 3 2122 2122
Cossignano AP 4 978 3100
Montedinove AP 5 488 3588
Ortezzano FM 6 774 4362
Castignano AP 6 2796 7158
Carassai AP 6 1100 8258
Monte Rinaldo FM 7 379 8637
Monte Vidon Combatte FM 7 433 9070
Offida AP 7 5058 14128
Rotella AP 8 906 15034
Petritoli FM 9 2335 17369
Montelparo FM 9 778 18147
Montottone FM 9 979 19126
Ripatransone AP 10 4309 23435
Appignano del Tronto AP 10 1785 25220
Monteleone di Fermo FM 11 395 25615
Monsampietro Morico FM 11 659 26274
Montefiore dell'Aso AP 11 2123 28397
Monte Giberto FM 11 801 29198
Monterubbiano FM 12 2230 31428
Castorano AP 12 2380 33808
Santa Vittoria in Matenano FM 12 1330 35138
Force AP 13 1354 36492
Ponzano di Fermo FM 13 1674 38166
Moresco FM 13 598 38764
Grottazzolina FM 14 3398 42162
Belmonte Piceno FM 14 646 42808
Massignano AP 14 1638 44446
Castel di Lama AP 15 8634 53080
Montefalcone Appennino FM 15 424 53504
Acquaviva Picena AP 15 3831 57335
Colli del Tronto AP 15 3668 61003
Spinetoli AP 15 7215 68218
Servigliano FM 16 2336 70554
Monsampolo del Tronto AP 16 4611 75165
Ascoli Piceno AP 16 49407 124572
Smerillo FM 16 365 124937
Venarotta AP 17 2066 127003
Monte San Martino MC 17 765 127768
Lapedona FM 17 1166 128934
Magliano di Tenna FM 17 1452 130386
Campofilone FM 17 1916 132302
Monteprandone AP 18 12655 144957
Montegiorgio FM 18 6851 151808
Maltignano AP 18 2401 154209
Palmiano AP 18 196 154405
Altidona FM 18 3390 157795
Cupra Marittima AP 18 5398 163193
Grottammare AP 18 16006 179199
Folignano AP 19 9241 188440
Ancarano TE 19 1857 190297
Comunanza AP 19 3166 193463
Falerone FM 19 3337 196800
Penna San Giovanni MC 19 1108 197908
Sant'Egidio alla Vibrata TE 19 9811 207719
Monte Vidon Corrado FM 20 731 208450
Rapagnano FM 20 2145 210595
Roccafluvione AP 20 2010 212605
Fermo FM 20 37655 250260

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Teramo (54892 inhabitants)
67 Km NW of Montesilvano (53738 inhabitants)
71 Km S of Ancona (100861 inhabitants)
74 Km N of L'Aquila (69753 inhabitants)
75 Km NW of Pescara (121014 inhabitants)
76 Km E of Foligno (57155 inhabitants)
83 Km NW of Chieti (51815 inhabitants)
94 Km NE of Terni (111501 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
Bulletin
Rev1000
ML 1.4 2021-09-11
22:39:33
42.9902 13.6425 26 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101757141
Reviewed
Rev100
ML 1.4 2021-09-11
22:39:34
42.9855 13.6382 25 2021-09-11
22:51:34
Sala Sismica INGV-Roma 95319591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-11 22:39:33 ± 0.11
Latitude 42.9902 ± 0.0036
Longitude 13.6425 ± 0.0061
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101757141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 255
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.72036
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 101757141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-07 15:57:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 95319591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-11 22:51:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2021-09-11T22:39:53.56 0.6 undecidable manual S 272 59.8956 107 0.6 40
IV.SMA1.EHZ. 2021-09-11T22:39:49.89 0.3 undecidable manual S 212 47.1195 112 0.15 69
IV.NRCA.HHZ. 2021-09-11T22:39:49.68 0.3 undecidable manual S 248 46.3203 113 0.14 69
IV.FDMO.HHZ. 2021-09-11T22:39:49.37 0.3 undecidable manual S 277 45.3213 113 0.06 70
IV.ASSB.HHZ. 2021-09-11T22:39:48.12 0.6 undecidable manual P 275 79.9644 102 0.2 43
IV.TERO.HHZ. 2021-09-11T22:39:48.19 0.3 undecidable manual S 184 40.8258 116 -0.03 71
IV.MC2.EHZ. 2021-09-11T22:39:47.71 0.1 undecidable manual S 257 37.8288 118 0.21 69
IV.CSP1.EHZ. 2021-09-11T22:39:47.30 0.6 undecidable manual S 288 37.2294 118 -0.06 48
IV.MTRA.EHZ. 2021-09-11T22:39:46.05 0.3 undecidable manual S 218 32.745 122 -0.27 69
IV.SNTG.HHZ. 2021-09-11T22:39:45.57 0.3 undecidable manual P 298 63.9915 106 0.05 68
IV.CESI.HHZ. 2021-09-11T22:39:45.03 0.3 undecidable manual P 272 59.8956 107 0.11 68
IV.SAP2.EHZ. 2021-09-11T22:39:44.18 0.6 undecidable manual S 301 22.9548 133 -0.07 49
IV.GUMA.HHZ. 2021-09-11T22:39:44.90 0.6 undecidable manual S 288 26.1516 129 0 49
IV.MMO1.EHZ. 2021-09-11T22:39:44.78 0.1 undecidable manual S 249 27.5502 127 -0.4 68
IV.EL6.EHZ. 2021-09-11T22:39:44.88 0.3 undecidable manual P 311 57.6978 108 0.28 66
IV.MNTP.HNZ. 2021-09-11T22:39:44.08 0.6 undecidable manual S 319 21.5673 135 0.1 48
IV.MNTT.EHZ. 2021-09-11T22:39:42.35 0.6 undecidable manual S 335 8.7801 159 0.25 48
IV.FDMO.HHZ. 2021-09-11T22:39:42.65 0.1 undecidable manual P 277 45.3213 113 -0.16 91
IV.NRCA.HHZ. 2021-09-11T22:39:42.98 0.1 undecidable manual P 248 46.3203 113 0.03 94
IV.MF5.EHZ. 2021-09-11T22:39:42.66 0.3 undecidable manual S 269 14.874 147 -0.19 73
IV.OFFI.HHZ. 2021-09-11T22:39:42.73 0.3 undecidable manual S 150 7.0929 163 0.78 40
IV.TERO.HHZ. 2021-09-11T22:39:42.36 0.3 undecidable manual P 184 40.8258 116 0.18 69
IV.SMA1.EHZ. 2021-09-11T22:39:42.96 0.3 undecidable manual P 212 47.1195 112 -0.09 69
IV.CSP1.EHZ. 2021-09-11T22:39:41.55 0.1 positive manual P 288 37.2294 118 -0.14 93
IV.MC2.EHZ. 2021-09-11T22:39:41.81 0.1 undecidable manual P 257 37.8288 118 0.05 95
IV.GUMA.HHZ. 2021-09-11T22:39:40.20 0.1 undecidable manual P 288 26.1516 129 -0.06 97
IV.MMO1.EHZ. 2021-09-11T22:39:40.20 0.1 undecidable manual P 249 27.5502 127 -0.22 93
IV.MTRA.EHZ. 2021-09-11T22:39:40.88 0.3 undecidable manual P 218 32.745 122 -0.2 70
IV.MNTP.HNZ. 2021-09-11T22:39:39.67 0.1 undecidable manual P 319 21.5673 135 -0.06 73
IV.SAP2.EHZ. 2021-09-11T22:39:39.69 0.3 undecidable manual P 301 22.9548 133 -0.2 71
IV.MNTT.EHZ. 2021-09-11T22:39:38.61 0.1 positive manual P 335 8.7801 159 -0.04 100
IV.MF5.EHZ. 2021-09-11T22:39:38.94 0.1 undecidable manual P 269 14.874 147 -0.14 97
IV.OFFI.HHZ. 2021-09-11T22:39:38.73 0.3 undecidable manual P 150 7.0929 163 0.17 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:1.7 0.0003035 1.46 AML other m 2021-09-11T22:39:43.85
IV.OFFI.HHN. ML:1.6 0.000242 1.46 AML other m 2021-09-11T22:39:43.21
IV.MNTT.EHE. ML:1.9 0.00042800000000000005 0.34 AML other m 2021-09-11T22:39:43.77
IV.MNTT.EHN. ML:2.0 0.000621 0.28 AML other m 2021-09-11T22:39:44.00
IV.MTRA.EHE. ML:1.4 0.00009120000000000001 0.34 AML other m 2021-09-11T22:39:46.89
IV.MTRA.EHN. ML:1.5 0.0001105 0.34 AML other m 2021-09-11T22:39:46.73
IV.CSP1.EHE. ML:1.6 0.000133 0.42 AML other m 2021-09-11T22:39:47.47
IV.CSP1.EHN. ML:1.6 0.00012124999999999999 1.7 AML other m 2021-09-11T22:39:48.03
IV.FDMO.HHN. ML:1.4 0.00005915 0.1 AML other m 2021-09-11T22:39:49.65
IV.FDMO.HHE. ML:1.4 0.00007005 0.18 AML other m 2021-09-11T22:39:49.69
IV.NRCA.HHE. ML:1.5 0.0000814 0.62 AML other m 2021-09-11T22:39:50.34
IV.SMA1.EHN. ML:1.2 0.00003585 0.68 AML other m 2021-09-11T22:39:50.59
IV.NRCA.HHN. ML:1.5 0.0000756 0.66 AML other m 2021-09-11T22:39:51.33
IV.SMA1.EHE. ML:1.0 0.000025500000000000003 0.88 AML other m 2021-09-11T22:39:51.38
IV.CESI.HHE. ML:0.9 0.00001745 0.46 AML other m 2021-09-11T22:39:54.41
IV.CESI.HHN. ML:1.0 0.00002215 0.4 AML other m 2021-09-11T22:39:54.29
IV.SNTG.HHE. ML:0.9 0.00001605 1.5 AML other m 2021-09-11T22:39:55.14
IV.SNTG.HHN. ML:0.9 0.0000129 1.08 AML other m 2021-09-11T22:39:56.90
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