Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 08-10-2020 and time 07:09:48 (Italy) in region 4 km SW Arquata del Tronto (AP)

A magnitude ML 2.2 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on

  • 08-10-2020 05:09:48 (UTC)
  • 08-10-2020 07:09:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7530, 13.2520 at 11 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.

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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 6 667 1845
Montegallo AP 12 523 2368
Acquasanta Terme AP 13 2916 5284
Norcia PG 14 4957 10241
Amatrice RI 14 2657 12898
Cittareale RI 17 482 13380
Montemonaco AP 18 604 13984
Castelsantangelo sul Nera MC 18 281 14265
Cascia PG 20 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km E of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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 2.2 2020-10-08
05:09:48		 42.7527 13.2518 11 2021-02-26
14:56:00		 Bollettino Sismico Italiano INGV 84016771
Reviewed
Rev100 		ML 2.3 2020-10-08
05:09:48		 42.7537 13.2517 12 2020-10-08
05:16:20		 Sala Sismica INGV-Roma 83607941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-08 05:09:48 ± 0.05
Latitude 42.7527 ± 0.0018
Longitude 13.2518 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84016771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 297
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.77881
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 84016771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-22 07:43:24

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 83607941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-08 05:16:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-10-08T05:10:11.00 0.6 undecidable manual S 143 72.1722 50 0.23 43
IV.SNTG.HHE. 2020-10-08T05:10:08.31 0.6 undecidable manual S 336 61.1943 50 0.48 42
IV.MOMA.HHZ. 2020-10-08T05:10:07.06 0.3 undecidable manual S 276 55.7997 50 0.67 59
IV.ASSB.HHZ. 2020-10-08T05:10:07.26 0.6 undecidable manual S 304 57.8976 50 0.29 44
IV.CESX.HHZ. 2020-10-08T05:10:07.00 0.6 undecidable manual S 254 56.499 50 0.41 43
IV.FIAM.HHZ. 2020-10-08T05:10:06.28 0.6 undecidable manual S 192 54.9006 50 0.13 46
IV.ARVD.HHZ. 2020-10-08T05:10:04.02 0.6 undecidable manual P 343 86.4468 50 0.28 42
IV.OFFI.HHZ. 2020-10-08T05:10:04.43 0.6 undecidable manual S 60 40.626 50 2.07 18
IV.MML1.HNE. 2020-10-08T05:10:03.81 0.3 undecidable manual S 330 46.0206 50 0.02 71
IV.ARRO.EHZ. 2020-10-08T05:10:03.55 0.6 undecidable manual S 244 44.1225 50 0.28 45
IV.SAP2.EHE. 2020-10-08T05:10:02.40 0.6 undecidable manual S 17 40.0266 50 0.22 46
IV.GIGS.HHN. 2020-10-08T05:10:02.48 0.6 undecidable manual S 142 42.3243 50 -0.32 45
IV.PF6.EHN. 2020-10-08T05:10:02.95 0.6 undecidable manual S 354 43.0236 50 -0.03 48
IV.CESI.HHZ. 2020-10-08T05:10:02.19 0.3 undecidable manual S 315 39.7269 50 0.08 71
IV.CSP1.EHZ. 2020-10-08T05:10:01.48 0.3 undecidable manual S 354 37.8288 50 -0.11 71
IV.T0110.HHZ. 2020-10-08T05:10:01.63 0.1 undecidable manual P 143 72.1722 50 0.08 90
IV.ATCC.EHZ. 2020-10-08T05:10:01.18 0.3 undecidable manual P 314 69.0753 50 0.11 67
IV.GUMA.HHZ. 2020-10-08T05:10:01.47 0.3 undecidable manual S 11 35.0427 50 0.61 63
IV.VCEL.EHZ. 2020-10-08T05:10:00.10 0.1 undecidable manual P 129 62.3931 50 0.06 92
IV.FDMO.HHZ. 2020-10-08T05:10:00.46 0.3 undecidable manual S 337 34.2435 50 -0.17 71
IV.MF5.EHZ. 2020-10-08T05:10:00.51 0.3 undecidable manual S 33 31.0467 50 0.71 61
IV.EL6.EHZ. 2020-10-08T05:10:00.44 0.3 undecidable manual P 349 65.0904 50 -0.02 69
IT.MTCL.HGZ. 2020-10-08T05:10:00.04 0.6 undecidable manual S 323 33.744 50 -0.46 44
IV.ASSB.HHZ. 2020-10-08T05:09:59.03 0.1 undecidable manual P 304 57.8976 50 -0.33 87
IV.GAVE.EHZ. 2020-10-08T05:09:59.56 0.3 undecidable manual S 257 29.9478 50 0.08 73
IV.CESX.HHZ. 2020-10-08T05:09:59.31 0.3 undecidable manual P 254 56.499 50 0.17 68
IV.TERO.HHZ. 2020-10-08T05:09:59.62 0.3 undecidable manual S 117 32.1456 50 -0.46 67
IV.FAGN.HHZ. 2020-10-08T05:09:59.75 0.6 undecidable manual P 153 60.495 50 0 46
IV.SNTG.HHE. 2020-10-08T05:09:59.76 0.3 undecidable manual P 336 61.1943 50 -0.09 68
IV.LNSS.HNZ. 2020-10-08T05:09:58.06 0.3 undecidable manual S 226 23.9538 50 0.17 72
IV.FIAM.HHZ. 2020-10-08T05:09:58.74 0.3 undecidable manual P 192 54.9006 50 -0.14 68
IV.MOMA.HHZ. 2020-10-08T05:09:58.93 0.1 positive manual P 276 55.7997 50 -0.1 92
IV.RM33.EHZ. 2020-10-08T05:09:58.83 0.3 undecidable manual S 186 27.2505 50 0.06 73
IV.FEMA.HNZ. 2020-10-08T05:09:58.79 0.6 undecidable manual S 325 28.4493 50 -0.31 46
IV.CAMP.HHZ. 2020-10-08T05:09:58.42 0.3 undecidable manual S 152 27.2505 50 -0.36 69
IV.OFFI.HHZ. 2020-10-08T05:09:57.32 0.1 undecidable manual P 60 40.626 50 0.62 83
IV.MML1.HNE. 2020-10-08T05:09:57.23 0.1 positive manual P 330 46.0206 50 -0.29 90
IV.ARRO.EHZ. 2020-10-08T05:09:57.20 0.3 undecidable manual P 244 44.1225 50 -0.02 72
IV.PF6.EHN. 2020-10-08T05:09:56.66 0.3 undecidable manual P 354 43.0236 50 -0.39 66
IV.CSP1.EHZ. 2020-10-08T05:09:56.01 0.1 negative manual P 354 37.8288 50 -0.25 92
IV.CESI.HHZ. 2020-10-08T05:09:56.35 0.1 positive manual P 315 39.7269 50 -0.2 93
IV.SAP2.EHE. 2020-10-08T05:09:56.75 0.3 undecidable manual P 17 40.0266 50 0.16 70
IV.MNTT.EHZ. 2020-10-08T05:09:56.77 0.6 undecidable manual P 39 44.2224 50 -0.48 43
IV.MC2.EHZ. 2020-10-08T05:09:56.44 0.3 undecidable manual S 344 18.3705 120 0.12 73
IV.GIGS.HHN. 2020-10-08T05:09:56.66 0.3 undecidable manual P 142 42.3243 50 -0.29 68
IV.MF5.EHZ. 2020-10-08T05:09:55.33 0.1 negative manual P 33 31.0467 50 0.11 96
IV.SMA1.EHZ. 2020-10-08T05:09:55.23 0.3 undecidable manual S 153 15.1737 125 -0.17 73
IV.GUMA.HHZ. 2020-10-08T05:09:55.91 0.1 negative manual P 11 35.0427 50 0.08 96
IT.MTCL.HGZ. 2020-10-08T05:09:55.29 0.1 undecidable manual P 323 33.744 50 -0.33 91
IV.NRCA.HNZ. 2020-10-08T05:09:55.12 0.3 undecidable manual S 309 14.3745 127 -0.05 75
IV.MMO1.EHN. 2020-10-08T05:09:55.84 0.3 undecidable manual S 21 17.3715 122 -0.2 72
IV.FDMO.HHZ. 2020-10-08T05:09:55.39 0.1 undecidable manual P 337 34.2435 50 -0.31 92
IV.T1299.HNN. 2020-10-08T05:09:55.38 0.3 undecidable manual S 169 13.3755 129 0.48 69
IV.GAVE.EHZ. 2020-10-08T05:09:54.96 0.1 positive manual P 257 29.9478 50 -0.08 97
IV.CAMP.HHZ. 2020-10-08T05:09:54.47 0.1 undecidable manual P 152 27.2505 50 -0.16 96
IV.LNSS.HNZ. 2020-10-08T05:09:54.11 0.1 positive manual P 226 23.9538 50 -0.01 99
IV.RM33.EHZ. 2020-10-08T05:09:54.56 0.1 positive manual P 186 27.2505 50 -0.06 98
IV.FEMA.HNZ. 2020-10-08T05:09:54.61 0.1 undecidable manual P 325 28.4493 50 -0.2 95
IV.MTRA.HNZ. 2020-10-08T05:09:54.42 0.3 undecidable manual S 88 11.7771 132 -0.06 75
IV.TERO.HHZ. 2020-10-08T05:09:54.97 0.3 undecidable manual P 117 32.1456 50 -0.41 67
IV.MC2.EHZ. 2020-10-08T05:09:53.23 0.1 negative manual P 344 18.3705 120 0.02 100
IV.T1299.HNN. 2020-10-08T05:09:52.71 0.1 positive manual P 169 13.3755 129 0.32 95
IV.MTRA.HNZ. 2020-10-08T05:09:52.22 0.1 negative manual P 88 11.7771 132 0.07 100
IV.SMA1.EHZ. 2020-10-08T05:09:52.79 0.1 negative manual P 153 15.1737 125 0.11 99
IV.NRCA.HNZ. 2020-10-08T05:09:52.60 0.1 positive manual P 309 14.3745 127 0.06 100
IV.MMO1.EHN. 2020-10-08T05:09:52.95 0.1 negative manual P 21 17.3715 122 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:2.3 0.002253561 0.24 AML other m 2020-10-08T05:09:55.71
IV.MTRA.HNE. ML:2.3 0.002202183 0.24 AML other m 2020-10-08T05:09:55.71
IV.MTRA.HNN. ML:2.2 0.0017369720000000003 0.1792 AML other m 2020-10-08T05:09:55.94
IV.MTRA.EHN. ML:2.2 0.00176133 0.1792 AML other m 2020-10-08T05:09:55.95
IV.NRCA.HNN. ML:2.8 0.005748085 0.1088 AML other m 2020-10-08T05:09:55.84
IV.NRCA.HNE. ML:2.6 0.0039107180000000005 0.0992 AML other m 2020-10-08T05:09:55.27
IV.NRCA.HHN. ML:2.8 0.006066243 0.0992 AML other m 2020-10-08T05:09:55.84
IV.NRCA.HHE. ML:2.6 0.0043791245 0.0992 AML other m 2020-10-08T05:09:55.27
IV.SMA1.EHE. ML:2.1 0.0011775618000000002 0.16 AML other m 2020-10-08T05:09:55.61
IV.SMA1.EHN. ML:2.2 0.001333104 0.1184 AML other m 2020-10-08T05:09:55.78
IV.LNSS.HNE. ML:2.7 0.003190418 0.3712 AML other m 2020-10-08T05:09:58.35
IV.LNSS.HHE. ML:2.7 0.003183741 0.1408 AML other m 2020-10-08T05:09:58.35
IV.LNSS.HNN. ML:2.7 0.0028823425 0.1696 AML other m 2020-10-08T05:09:58.65
IV.LNSS.HHN. ML:2.7 0.0030859464999999997 0.16 AML other m 2020-10-08T05:09:58.65
IV.CAMP.HHE. ML:1.6 0.00021141025000000001 0.1216 AML other m 2020-10-08T05:09:58.86
IV.CAMP.HHN. ML:1.6 0.0001946951 0.3776 AML other m 2020-10-08T05:09:58.82
IV.RM33.HNN. ML:2.5 0.0015877019999999999 0.2304 AML other m 2020-10-08T05:09:59.19
IV.RM33.HNE. ML:2.3 0.00119686735 0.1824 AML other m 2020-10-08T05:09:59.88
IV.RM33.EHE. ML:2.3 0.0011948129999999999 0.1824 AML other m 2020-10-08T05:09:59.89
IV.RM33.EHN. ML:2.5 0.0015645955 0.1408 AML other m 2020-10-08T05:09:59.20
IV.GAVE.HNE. ML:2.3 0.0010444284 0.1408 AML other m 2020-10-08T05:10:00.78
IV.GAVE.EHE. ML:2.3 0.0010612294499999998 0.3616 AML other m 2020-10-08T05:09:59.84
IV.GAVE.EHN. ML:2.3 0.0010098671999999999 0.2592 AML other m 2020-10-08T05:10:01.57
IV.GAVE.HNN. ML:1.8 0.00030456045 0.3776 AML other m 2020-10-08T05:10:00.58
IV.TERO.HNE. ML:2.4 0.0012119355 0.0704 AML other m 2020-10-08T05:10:00.07
IV.TERO.HHE. ML:2.4 0.0010966412999999999 0.08 AML other m 2020-10-08T05:10:00.06
IV.TERO.HNN. ML:2.4 0.001292273 0.08 AML other m 2020-10-08T05:10:00.30
IV.TERO.HHN. ML:2.4 0.00116881215 0.1024 AML other m 2020-10-08T05:10:00.30
IV.MF5.EHE. ML:2.4 0.001108514 0.56 AML other m 2020-10-08T05:10:01.02
IV.MF5.EHN. ML:2.2 0.00075579405 0.16 AML other m 2020-10-08T05:10:01.25
IV.FDMO.HHN. ML:2.0 0.0004659942 0.2016 AML other m 2020-10-08T05:10:00.65
IV.FDMO.HHE. ML:1.9 0.00030788495 0.2208 AML other m 2020-10-08T05:10:00.56
IV.GUMA.HHN. ML:2.7 0.0019550665 0.2592 AML other m 2020-10-08T05:10:01.72
IV.GUMA.HNE. ML:2.8 0.0026241525 0.3392 AML other m 2020-10-08T05:10:01.72
IV.GUMA.HNN. ML:2.5 0.001423993 0.2592 AML other m 2020-10-08T05:10:02.38
IV.GUMA.HHE. ML:2.8 0.002285615 0.3584 AML other m 2020-10-08T05:10:01.72
IV.CSP1.EHE. ML:2.2 0.00068388725 0.1792 AML other m 2020-10-08T05:10:02.64
IV.CSP1.EHN. ML:2.2 0.0005832440999999999 0.16 AML other m 2020-10-08T05:10:01.66
IV.CESI.HHE. ML:2.1 0.00042444535000000003 0.1632 AML other m 2020-10-08T05:10:02.61
IV.CESI.HNN. ML:2.2 0.00063516625 0.24 AML other m 2020-10-08T05:10:02.57
IV.CESI.HNE. ML:2.1 0.0004069163 0.1728 AML other m 2020-10-08T05:10:02.61
IV.CESI.HHN. ML:2.2 0.0006328935 0.1824 AML other m 2020-10-08T05:10:02.93
IV.OFFI.HHE. ML:2.7 0.0015610144999999998 0.4768 AML other m 2020-10-08T05:10:04.92
IV.OFFI.HHN. ML:2.5 0.0011644545 0.3808 AML other m 2020-10-08T05:10:04.81
IV.ARRO.EHE. ML:2.2 0.0005467862999999999 0.24 AML other m 2020-10-08T05:10:04.71
IV.ARRO.EHN. ML:2.1 0.00038339035 0.2016 AML other m 2020-10-08T05:10:04.75
IV.FIAM.HHN. ML:1.5 0.00006760115 0.3008 AML other m 2020-10-08T05:10:07.10
IV.FIAM.HNN. ML:1.9 0.0001794824 0.432 AML other m 2020-10-08T05:10:07.99
IV.FIAM.HHE. ML:1.6 0.00009010472 0.2592 AML other m 2020-10-08T05:10:06.87
IV.MOMA.HNE. ML:2.3 0.0004329714 0.2016 AML other m 2020-10-08T05:10:08.35
IV.MOMA.HHE. ML:2.3 0.00043338785 0.2016 AML other m 2020-10-08T05:10:08.45
IV.MOMA.HHN. ML:2.3 0.00046034315 0.1792 AML other m 2020-10-08T05:10:09.01
IV.ASSB.HHE. ML:2.0 0.0002413161 0.24 AML other m 2020-10-08T05:10:09.79
IV.ASSB.HHN. ML:2.0 0.00023597185 0.24 AML other m 2020-10-08T05:10:08.45
IV.CESX.HHN. ML:2.0 0.00020895015 0.2208 AML other m 2020-10-08T05:10:08.77
IV.CESX.HHE. ML:2.0 0.00022514035 0.2592 AML other m 2020-10-08T05:10:08.68
IV.FAGN.HHE. ML:2.0 0.0001784611 0.3008 AML other m 2020-10-08T05:10:11.04
IV.FAGN.HHN. ML:1.9 0.00015524369999999997 0.2976 AML other m 2020-10-08T05:10:17.75
IV.VCEL.EHN. ML:2.2 0.0002837289 0.2592 AML other m 2020-10-08T05:10:10.62
IV.VCEL.EHE. ML:2.1 0.00023580410000000003 0.3008 AML other m 2020-10-08T05:10:11.47
IV.EL6.EHE. ML:1.9 0.00014796504999999997 0.2176 AML other m 2020-10-08T05:10:13.50
IV.EL6.EHN. ML:1.8 0.00012606177499999998 0.1792 AML other m 2020-10-08T05:10:14.58
IV.ATCC.EHE. ML:1.9 0.0001298547 0.2208 AML other m 2020-10-08T05:10:13.30
IV.ATCC.EHN. ML:1.8 0.00010223648499999999 0.24 AML other m 2020-10-08T05:10:13.41
IV.T0110.HHN. ML:2.0 0.0001617948 0.32 AML other m 2020-10-08T05:10:17.91
IV.T0110.HHE. ML:1.9 0.0001379339 0.1984 AML other m 2020-10-08T05:10:16.85
IV.ARVD.HHN. ML:1.4 0.000030065995 0.32 AML other m 2020-10-08T05:10:26.84
IV.ARVD.HHE. ML:1.5 0.000040510980000000004 0.2592 AML other m 2020-10-08T05:10:26.50
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
Waveforms Seismic signals in miniseed + resp format Download