Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 03-10-2020 and time 11:08:15 (UTC) in region 4 km N Barete (AQ)

A magnitude ML 1.8 earthquake occured in region: 4 km N Barete (AQ), on

  • 03-10-2020 11:08:15 (UTC)
  • 03-10-2020 13:08:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4830, 13.2940 at 12 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
Barete AQ 4 737 737
Capitignano AQ 4 665 1402
Pizzoli AQ 5 4326 5728
Montereale AQ 6 2581 8309
Cagnano Amiterno AQ 6 1369 9678
Campotosto AQ 11 542 10220
Scoppito AQ 13 3727 13947
Borbona RI 14 617 14564
Amatrice RI 16 2657 17221
Posta RI 17 694 17915
Crognaleto TE 17 1297 19212
L'Aquila AQ 17 69753 88965
Cittareale RI 19 482 89447
Antrodoco RI 19 2588 92035
Micigliano RI 20 127 92162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
73 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
98 Km NE of Velletri (53303 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 1.8 2020-10-03
11:08:15		 42.483 13.2943 12 2021-02-26
14:56:12		 Bollettino Sismico Italiano INGV 85802831
Reviewed
Rev100 		ML 1.8 2020-10-03
11:08:15		 42.48 13.2937 11 2020-10-03
11:17:57		 Sala Sismica INGV-Roma 83465691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-03 11:08:15 ± 0.06
Latitude 42.4830 ± 0.0027
Longitude 13.2943 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85802831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 62
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
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) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.61244
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 85802831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-28 17:52:08

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 83465691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-03 11:17:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-10-03T11:08:35.30 0.6 undecidable manual S 345 63.6918 91 0.34 44
IV.MC2.EHZ. 2020-10-03T11:08:31.50 0.6 undecidable manual S 350 48.3183 91 0.64 41
IV.MMO1.EHZ. 2020-10-03T11:08:30.40 0.3 undecidable manual S 3 46.2204 91 0.08 71
IV.ARRO.EHZ. 2020-10-03T11:08:29.60 0.6 undecidable manual S 284 44.5221 91 -0.25 46
IV.NRCA.HHZ. 2020-10-03T11:08:28.80 0.3 undecidable manual S 339 41.5251 91 -0.26 69
IV.GAVE.EHZ. 2020-10-03T11:08:28.80 0.3 undecidable manual S 306 40.1265 91 0.14 72
IV.CSP1.EHZ. 2020-10-03T11:08:27.37 0.3 undecidable manual P 354 67.9764 91 -0.03 69
IV.FDMO.HHZ. 2020-10-03T11:08:26.68 0.3 undecidable manual P 345 63.6918 91 -0.06 69
IV.MF5.EHZ. 2020-10-03T11:08:26.16 0.3 undecidable manual P 13 57.5979 91 0.36 66
IV.FIAM.HHZ. 2020-10-03T11:08:25.30 0.3 undecidable manual S 211 27.9498 92 -0.12 73
IV.TERO.HHZ. 2020-10-03T11:08:25.50 0.3 undecidable manual S 58 29.6481 92 -0.39 68
IV.MC2.EHZ. 2020-10-03T11:08:24.38 0.3 undecidable manual P 350 48.3183 91 0.01 72
IV.LNSS.HHZ. 2020-10-03T11:08:24.40 0.6 undecidable manual S 303 24.6531 93 -0.15 48
IV.NRCA.HHZ. 2020-10-03T11:08:23.18 0.1 undecidable manual P 339 41.5251 91 -0.16 94
IV.MMO1.EHZ. 2020-10-03T11:08:23.92 0.3 undecidable manual P 3 46.2204 91 -0.14 70
IV.ARRO.EHZ. 2020-10-03T11:08:23.64 0.3 undecidable manual P 284 44.5221 91 -0.15 70
IV.GIGS.HHN. 2020-10-03T11:08:23.80 0.3 undecidable manual S 98 23.0547 93 -0.31 70
MN.AQU.HHZ. 2020-10-03T11:08:22.70 0.3 undecidable manual S 148 16.9719 98 0.2 73
IV.T1299.HNN. 2020-10-03T11:08:22.30 0.3 undecidable manual S 357 16.7721 99 -0.16 73
IV.GAVE.EHZ. 2020-10-03T11:08:22.97 0.3 undecidable manual P 306 40.1265 91 -0.14 71
IV.SMA1.EHZ. 2020-10-03T11:08:22.60 0.3 undecidable manual S 12 16.6722 99 0.17 74
IV.TERO.HHZ. 2020-10-03T11:08:21.40 0.3 undecidable manual P 58 29.6481 92 -0.1 73
IV.FIAM.HHZ. 2020-10-03T11:08:21.14 0.3 undecidable manual P 211 27.9498 92 -0.09 73
IV.GIGS.HHN. 2020-10-03T11:08:20.39 0.1 undecidable manual P 98 23.0547 93 -0.09 98
MN.AQU.HHZ. 2020-10-03T11:08:20.03 0.3 undecidable manual P 148 16.9719 98 0.49 69
IV.CAMP.HHZ. 2020-10-03T11:08:20.90 0.3 undecidable manual S 58 11.0778 119 -0.11 75
IV.LNSS.HHZ. 2020-10-03T11:08:20.73 0.3 undecidable manual P 303 24.6531 93 0 75
IV.RM33.EHZ. 2020-10-03T11:08:19.90 0.3 undecidable manual S 294 7.1928 138 -0.29 73
IV.T1299.HNN. 2020-10-03T11:08:19.70 0.3 undecidable manual P 357 16.7721 99 0.17 74
IV.SMA1.EHZ. 2020-10-03T11:08:19.72 0.3 undecidable manual P 12 16.6722 99 0.21 73
IV.RM33.EHZ. 2020-10-03T11:08:18.37 0.1 undecidable manual P 294 7.1928 138 0.16 100
IV.CAMP.HHZ. 2020-10-03T11:08:18.95 0.3 undecidable manual P 58 11.0778 119 0.27 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.6 0.0036 0.32 AML other m 2020-10-03T11:08:23.22
IV.SMA1.EHE. ML:2.5 0.00265 0.28 AML other m 2020-10-03T11:08:23.10
IV.RM33.HNE. ML:2.2 0.0018631165000000001 0.1152 AML other m 2020-10-03T11:08:20.37
IV.RM33.EHE. ML:2.1 0.0017781258499999998 0.1152 AML other m 2020-10-03T11:08:20.37
IV.RM33.EHN. ML:1.9 0.00102532395 0.1408 AML other m 2020-10-03T11:08:20.43
IV.RM33.HNN. ML:1.9 0.00100988335 0.1152 AML other m 2020-10-03T11:08:20.21
IV.LNSS.HNE. ML:1.9 0.00042619545 0.16 AML other m 2020-10-03T11:08:25.59
IV.LNSS.HNN. ML:1.6 0.00022551549999999998 0.2112 AML other m 2020-10-03T11:08:25.93
IV.LNSS.HHE. ML:1.9 0.00045929885000000004 0.1408 AML other m 2020-10-03T11:08:25.52
IV.LNSS.HHN. ML:1.7 0.0002751166 0.1792 AML other m 2020-10-03T11:08:24.90
IV.TERO.HNN. ML:1.6 0.00020290850499999998 0.0704 AML other m 2020-10-03T11:08:26.61
IV.TERO.HHN. ML:1.7 0.0002206907 0.0576 AML other m 2020-10-03T11:08:26.61
IV.TERO.HHE. ML:1.6 0.00018182125 0.0576 AML other m 2020-10-03T11:08:26.61
IV.TERO.HNE. ML:1.6 0.000211841285 0.0896 AML other m 2020-10-03T11:08:27.44
IV.GAVE.EHE. ML:1.7 0.00015307005 0.2048 AML other m 2020-10-03T11:08:31.39
IV.GAVE.EHN. ML:1.5 0.00011398847000000001 0.3008 AML other m 2020-10-03T11:08:31.51
IV.NRCA.HHE. ML:2.1 0.00040787174999999996 0.1024 AML other m 2020-10-03T11:08:30.31
IV.NRCA.HHN. ML:2.0 0.00036373499999999996 0.1024 AML other m 2020-10-03T11:08:29.67
IV.NRCA.HNE. ML:2.1 0.00039319254999999997 0.0896 AML other m 2020-10-03T11:08:30.31
IV.ARRO.EHE. ML:1.6 0.00011713103 0.2624 AML other m 2020-10-03T11:08:30.31
IV.ARRO.EHN. ML:1.6 0.00010761905999999999 0.16 AML other m 2020-10-03T11:08:30.38
IV.MF5.EHN. ML:1.9 0.000155962405 0.4032 AML other m 2020-10-03T11:08:35.36
IV.FDMO.HHE. ML:1.3 0.00003564083 0.2432 AML other m 2020-10-03T11:08:38.50
IV.FDMO.HHN. ML:1.4 0.00004448235 0.3584 AML other m 2020-10-03T11:08:36.33
IV.CSP1.EHE. ML:2.1 0.000239498 1.3568 AML other m 2020-10-03T11:08:39.29
IV.CSP1.EHN. ML:1.7 0.00008438303 0.16 AML other m 2020-10-03T11:08:38.73
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