Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 10-10-2021 and time 13:07:14 (Italy) in region 5 km W Arquata del Tronto (AP)

A magnitude ML 1.3 earthquake occured in region: 5 km W Arquata del Tronto (AP), on

  • 10-10-2021 11:07:14 (UTC)
  • 10-10-2021 13:07:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7910, 13.2350 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 6 1178 1178
Montegallo AP 10 523 1701
Accumoli RI 11 667 2368
Norcia PG 12 4957 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 15 2916 11126
Amatrice RI 18 2657 13783
Preci PG 19 724 14507
Ussita MC 19 444 14951
Montefortino FM 19 1178 16129
Cascia PG 20 3217 19346
Visso MC 20 1107 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 1.3 2021-10-10
11:07:14		 42.7907 13.2348 10 2022-03-30
13:04:10		 Bollettino Sismico Italiano INGV 96468901
Reviewed
Rev100 		ML 1.4 2021-10-10
11:07:14		 42.7902 13.237 9 2021-10-10
11:20:51		 Sala Sismica INGV-Roma 96404751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-10 11:07:14 ± 0.04
Latitude 42.7907 ± 0.0018
Longitude 13.2348 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96468901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 113
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61154
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 96468901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 10:05:20

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 96404751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-10 11:20:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2021-10-10T11:09:03.52 3.0 undecidable manual Sn -7.43 0
CR.ZAG.BHZ. 2021-10-10T11:08:58.28 3.0 undecidable manual Sg 23.35 0
IV.GRIS.EHZ. 2021-10-10T11:08:50.47 3.0 undecidable manual Sn -6.35 0
IV.EUCT.HNZ. 2021-10-10T11:08:37.85 3.0 undecidable manual Sn 1.82 0
IV.CAFE.HHZ. 2021-10-10T11:08:36.19 3.0 undecidable manual Sg 12.07 0
IV.MTGR.HHZ. 2021-10-10T11:08:34.04 3.0 negative manual Pg 7.86 0
IV.ALJA.HHZ. 2021-10-10T11:08:32.30 3.0 negative manual Pn 3.76 0
IX.SCL3.EHZ.02 2021-10-10T11:08:28.01 3.0 undecidable manual Sn -5.69 0
IV.VBKN.HHZ. 2021-10-10T11:08:27.79 3.0 undecidable manual Sg 6.71 0
OX.MPRI.HHZ. 2021-10-10T11:08:27.23 3.0 undecidable manual Sn 1.68 0
IX.RSF3.HHZ.02 2021-10-10T11:08:25.71 3.0 undecidable manual Sn 0.95 0
IV.ZEN8.EHZ. 2021-10-10T11:08:24.00 3.0 undecidable manual Sn 0.8 0
IV.ORZI.HHZ. 2021-10-10T11:08:24.62 3.0 undecidable manual Sn -3.52 0
IV.COLB.HHZ. 2021-10-10T11:08:23.25 3.0 undecidable manual Sg 3.77 0
ST.PANI.EHZ. 2021-10-10T11:08:04.09 3.0 negative manual Pg 11.91 0
IX.SCL3.EHZ.02 2021-10-10T11:07:59.49 3.0 negative manual Pg 3.45 0
IV.VOBA.EHZ. 2021-10-10T11:07:59.60 3.0 negative manual Pg 8.08 0
IV.TST01.HHZ. 2021-10-10T11:07:56.36 3.0 undecidable manual Sn -4.43 0
IV.ICAI.EHZ. 2021-10-10T11:07:54.11 3.0 negative manual Pg 5.47 0
IV.ZEN8.EHZ. 2021-10-10T11:07:50.19 3.0 undecidable manual Pn 0.05 0
IV.LAV9.HNZ. 2021-10-10T11:07:38.56 3.0 undecidable manual Pg 4.11 0
IV.FOSV.HNZ. 2021-10-10T11:07:35.97 0.6 undecidable manual S 326 67.8765 50 0.55 40
IV.SNTG.HHZ. 2021-10-10T11:07:32.65 0.6 undecidable manual S 335 56.7987 50 0.18 45
IV.MML1.EHZ. 2021-10-10T11:07:28.50 0.3 undecidable manual S 329 41.7249 50 0.05 71
IV.SAP2.EHE. 2021-10-10T11:07:27.44 0.3 undecidable manual S 21 36.4413 50 0.39 66
IV.CESI.HHZ. 2021-10-10T11:07:27.02 0.3 undecidable manual S 312 35.8419 50 0.14 70
IV.PF6.EHZ. 2021-10-10T11:07:27.62 0.3 undecidable manual S 355 38.628 50 -0.01 72
IV.FOSV.HNZ. 2021-10-10T11:07:26.80 0.1 undecidable manual P 326 67.8765 50 0.19 87
IV.CSP1.EHZ. 2021-10-10T11:07:26.18 0.3 undecidable manual S 356 33.5442 50 -0.08 71
IV.TERO.HHZ. 2021-10-10T11:07:26.38 0.3 undecidable manual S 122 35.3424 50 -0.38 67
IV.CAMP.HHE. 2021-10-10T11:07:25.35 0.3 undecidable manual S 153 31.6461 50 -0.41 67
IV.FDMO.HHZ. 2021-10-10T11:07:25.13 0.3 undecidable manual S 336 29.748 50 -0.14 71
IV.GUMA.HNN. 2021-10-10T11:07:25.97 0.6 undecidable manual S 15 31.2465 50 0.31 45
IV.GAVE.EHZ. 2021-10-10T11:07:25.34 0.3 undecidable manual S 249 29.8479 50 0.07 72
IV.MF5.EHZ. 2021-10-10T11:07:25.45 0.3 undecidable manual S 40 28.5492 50 0.53 65
IV.RM33.EHZ. 2021-10-10T11:07:25.94 0.3 undecidable manual S 183 31.2465 50 0.28 69
IT.MTCL.HGZ. 2021-10-10T11:07:24.76 0.3 undecidable manual S 320 29.5482 50 -0.44 66
IV.SNTG.HHZ. 2021-10-10T11:07:24.81 0.1 undecidable manual P 335 56.7987 50 -0.09 91
IV.LNSS.HHZ. 2021-10-10T11:07:24.33 0.3 undecidable manual S 217 26.1516 110 0.07 72
IV.FEMA.HNE. 2021-10-10T11:07:23.76 0.3 undecidable manual S 322 24.2535 112 0.13 72
IV.MML1.EHZ. 2021-10-10T11:07:22.45 0.1 undecidable manual P 329 41.7249 50 -0.13 93
IV.CESI.HHZ. 2021-10-10T11:07:21.68 0.1 undecidable manual P 312 35.8419 50 0 96
IV.PF6.EHZ. 2021-10-10T11:07:21.87 0.1 positive manual P 355 38.628 50 -0.24 91
IV.CAMP.HHE. 2021-10-10T11:07:21.02 0.1 undecidable manual P 153 31.6461 50 -0.01 97
IV.SAP2.EHE. 2021-10-10T11:07:21.71 3.0 undecidable manual P 21 36.4413 50 -0.06 0
IV.CSP1.EHZ. 2021-10-10T11:07:21.11 0.1 positive manual P 356 33.5442 50 -0.2 93
IV.T1299.HNN. 2021-10-10T11:07:21.89 0.3 undecidable manual S 167 17.7711 119 0.29 70
IV.GUMA.HNN. 2021-10-10T11:07:21.09 0.1 undecidable manual P 15 31.2465 50 0.12 95
IV.TERO.HHZ. 2021-10-10T11:07:21.33 0.1 undecidable manual P 122 35.3424 50 -0.28 91
IV.MF5.EHZ. 2021-10-10T11:07:20.87 0.1 undecidable manual P 40 28.5492 50 0.33 91
IV.MMO1.EHZ. 2021-10-10T11:07:20.22 0.3 undecidable manual S 32 14.1747 125 -0.32 70
IV.LNSS.HHZ. 2021-10-10T11:07:20.07 0.1 positive manual P 217 26.1516 110 -0.09 96
IV.RM33.EHZ. 2021-10-10T11:07:20.83 0.1 undecidable manual P 183 31.2465 50 -0.14 94
IV.MC2.EHZ. 2021-10-10T11:07:20.45 0.3 undecidable manual S 344 13.875 125 -0.01 75
IV.FDMO.HHZ. 2021-10-10T11:07:20.47 0.1 undecidable manual P 336 29.748 50 -0.27 92
IV.MTRA.EHZ. 2021-10-10T11:07:20.16 0.3 undecidable manual S 106 13.6752 125 -0.24 71
IT.MTCL.HGZ. 2021-10-10T11:07:20.56 0.1 undecidable manual P 320 29.5482 50 -0.15 94
IV.GAVE.EHZ. 2021-10-10T11:07:20.81 0.1 undecidable manual P 249 29.8479 50 0.06 96
IV.FEMA.HNE. 2021-10-10T11:07:19.80 0.1 undecidable manual P 322 24.2535 112 0 98
IV.NRCA.HHZ. 2021-10-10T11:07:19.45 0.3 undecidable manual S 296 10.878 132 -0.19 72
IV.T1299.HNN. 2021-10-10T11:07:19.07 0.1 undecidable manual P 167 17.7711 119 0.44 90
IV.MTRA.EHZ. 2021-10-10T11:07:18.17 0.1 undecidable manual P 106 13.6752 125 0.24 95
IV.MC2.EHZ. 2021-10-10T11:07:18.02 0.1 positive manual P 344 13.875 125 0.05 99
IV.NRCA.HHZ. 2021-10-10T11:07:17.52 0.1 positive manual P 296 10.878 132 0.03 100
IV.MMO1.EHZ. 2021-10-10T11:07:17.93 0.1 undecidable manual P 32 14.1747 125 -0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.1 0.000040339685 0.16 AML other m 2021-10-10T11:07:29.34
IV.NRCA.HNN. ML:1.7 0.00066 0.28 AML other m 2021-10-10T11:07:19.87
IV.NRCA.HNE. ML:1.8 0.0006990000000000001 1 AML other m 2021-10-10T11:07:20.00
IV.NRCA.HHE. ML:1.7 0.0006605 1 AML other m 2021-10-10T11:07:20.00
IV.NRCA.HHN. ML:1.7 0.000653 1.26 AML other m 2021-10-10T11:07:20.86
IV.MTRA.EHN. ML:1.3 0.00020500000000000002 0.36 AML other m 2021-10-10T11:07:20.69
IV.MTRA.EHE. ML:1.2 0.000169 1.04 AML other m 2021-10-10T11:07:20.88
IV.MTRA.HNE. ML:1.3 0.00021500000000000002 0.8 AML other m 2021-10-10T11:07:21.66
IV.MTRA.HNN. ML:1.4 0.000259 0.66 AML other m 2021-10-10T11:07:21.69
IV.LNSS.HHE. ML:1.4 0.0001315 0.14 AML other m 2021-10-10T11:07:25.28
IV.LNSS.HHN. ML:1.4 0.000126 0.96 AML other m 2021-10-10T11:07:25.27
IV.FDMO.HHE. ML:1.1 0.00006175 0.56 AML other m 2021-10-10T11:07:25.15
IV.FDMO.HHN. ML:1.2 0.0000729 0.92 AML other m 2021-10-10T11:07:26.65
IV.TERO.HHN. ML:1.2 0.0000648 1.06 AML other m 2021-10-10T11:07:27.76
IV.MML1.EHE. ML:1.2 0.000048899999999999996 0.5 AML other m 2021-10-10T11:07:31.05
IV.LNSS.HNE. ML:1.5 0.00016258939999999999 0.4032 AML other m 2021-10-10T11:07:25.28
IV.LNSS.HNN. ML:1.3 0.000115362925 0.16 AML other m 2021-10-10T11:07:25.27
IV.GAVE.EHE. ML:1.1 0.00006286828 0.2048 AML other m 2021-10-10T11:07:27.55
IV.GAVE.EHN. ML:1.0 0.000056334715 0.1408 AML other m 2021-10-10T11:07:27.57
IV.RM33.EHE. ML:1.2 0.000066336005 0.1792 AML other m 2021-10-10T11:07:28.50
IV.RM33.HNN. ML:1.4 0.000103858465 0.256 AML other m 2021-10-10T11:07:26.65
IV.RM33.EHN. ML:1.1 0.00005734438 0.1408 AML other m 2021-10-10T11:07:26.65
IV.TERO.HNE. ML:1.2 0.00006731066499999999 0.1088 AML other m 2021-10-10T11:07:26.62
IV.CESI.HHN. ML:1.4 0.000089921135 0.2368 AML other m 2021-10-10T11:07:27.71
IV.CESI.HHE. ML:1.1 0.000042810755 0.2816 AML other m 2021-10-10T11:07:27.39
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