Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 03-09-2019 and time 14:02:41 (UTC) in region 6 km E Barete (AQ)

A magnitude ML 1.8 earthquake occured in region: 6 km E Barete (AQ), on

  • 03-09-2019 14:02:41 (UTC)
  • 03-09-2019 16:02:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4780, 13.3450 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
Barete AQ 6 737 737
Capitignano AQ 6 665 1402
Pizzoli AQ 6 4326 5728
Campotosto AQ 9 542 6270
Montereale AQ 10 2581 8851
Cagnano Amiterno AQ 10 1369 10220
Crognaleto TE 14 1297 11517
Scoppito AQ 14 3727 15244
L'Aquila AQ 15 69753 84997
Amatrice RI 18 2657 87654
Borbona RI 18 617 88271
Fano Adriano TE 18 296 88567
Pietracamela TE 18 271 88838

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of L'Aquila (69753 inhabitants)
36 Km SW of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
71 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
96 Km NE of Roma (2864731 inhabitants)
100 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 2019-09-03
14:02:41		 42.4777 13.3448 10 2020-02-28
16:41:52		 Bollettino Sismico Italiano INGV 72787701
Reviewed
Rev100 		ML 1.7 2019-09-03
14:02:41		 42.4812 13.3513 12 2019-09-03
14:12:52		 Sala Sismica INGV-Roma 72086131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-03 14:02:41 ± 0.08
Latitude 42.4777 ± 0.0036
Longitude 13.3448 ± 0.0061
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 72787701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.62323
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 8
Type of magnitude ML
Reference to an origin 72787701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-26 09:02:07

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 72086131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-03 14:12:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHN. 2019-09-03T14:03:01.81 0.6 undecidable manual S 341 65.49 50 0.53 42
IV.MF5.EHN. 2019-09-03T14:03:00.12 0.6 undecidable manual S 9 57.3981 50 1 35
IV.MC2.EHZ. 2019-09-03T14:02:50.21 3.0 undecidable manual S 345 49.8168 50 -0.16 71
IV.MMO1.EHN. 2019-09-03T14:02:56.24 0.6 undecidable manual S 358 46.8198 50 -0.06 49
IV.ARRO.EHZ. 2019-09-03T14:02:56.70 0.6 undecidable manual S 284 48.7179 50 -0.1 48
IV.NRCA.HHZ. 2019-09-03T14:02:55.22 0.6 undecidable manual S 335 43.7229 50 -0.26 47
IV.INTR.HHE. 2019-09-03T14:02:53.55 0.6 undecidable manual P 138 69.1752 50 0.19 46
IV.GUMA.HNN. 2019-09-03T14:02:52.79 0.6 undecidable manual P 359 64.8906 50 0.08 47
IV.CERT.HHZ. 2019-09-03T14:02:52.89 0.6 undecidable manual P 207 65.7897 50 0.05 47
IV.FDMO.HHN. 2019-09-03T14:02:52.71 0.3 undecidable manual P 341 65.49 50 -0.08 70
IV.LNSS.HHZ. 2019-09-03T14:02:51.16 0.6 undecidable manual S 299 28.5492 50 -0.26 48
IV.FIAM.HHZ. 2019-09-03T14:02:51.70 0.6 undecidable manual S 219 29.8479 50 -0.07 50
IV.MF5.EHN. 2019-09-03T14:02:51.73 0.3 undecidable manual P 9 57.3981 50 0.19 70
IV.TERO.HHE. 2019-09-03T14:02:50.40 0.6 undecidable manual S 53 26.5512 50 -0.51 46
IV.NRCA.HHZ. 2019-09-03T14:02:49.13 0.3 undecidable manual P 335 43.7229 50 -0.31 70
IV.ARRO.EHZ. 2019-09-03T14:02:49.94 0.3 undecidable manual P 284 48.7179 50 -0.26 70
IV.T0110.HHZ. 2019-09-03T14:02:49.98 0.6 undecidable manual P 128 44.8218 50 0.37 46
IV.MMO1.EHN. 2019-09-03T14:02:49.62 0.3 undecidable manual P 358 46.8198 50 -0.29 70
IV.SMA1.EHE. 2019-09-03T14:02:48.01 0.6 undecidable manual S 357 16.9719 121 -0.07 51
IV.GIGS.HHE. 2019-09-03T14:02:48.35 0.6 undecidable manual S 98 18.87 119 -0.3 49
IV.FIAM.HHZ. 2019-09-03T14:02:47.29 0.3 undecidable manual P 219 29.8479 50 -0.01 76
IV.FAGN.HHZ. 2019-09-03T14:02:47.91 0.6 undecidable manual P 140 30.5472 50 0.49 46
IV.RM33.EHE. 2019-09-03T14:02:46.52 0.6 undecidable manual S 288 11.1777 133 0.04 52
IV.TERO.HHE. 2019-09-03T14:02:46.51 0.6 undecidable manual P 53 26.5512 50 -0.29 48
IV.LNSS.HHZ. 2019-09-03T14:02:46.99 0.3 undecidable manual P 299 28.5492 50 -0.11 75
IV.SMA1.EHE. 2019-09-03T14:02:45.24 0.3 undecidable manual P 357 16.9719 121 0.07 77
IV.GIGS.HHE. 2019-09-03T14:02:45.44 0.3 undecidable manual P 98 18.87 119 -0.05 77
IV.RM33.EHE. 2019-09-03T14:02:44.48 0.1 positive manual P 288 11.1777 133 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNE. ML:2.2 0.00083399545 0.1408 AML other m 2019-09-03T14:02:51.54
IV.LNSS.HNN. ML:1.9 0.00036899384999999993 0.2432 AML other m 2019-09-03T14:02:51.57
IV.LNSS.HHE. ML:2.2 0.00091428105 0.1408 AML other m 2019-09-03T14:02:51.53
IV.LNSS.HHN. ML:1.9 0.00040448365 0.2368 AML other m 2019-09-03T14:02:51.56
IV.FIAM.HHE. ML:1.2 0.00007352781 0.3584 AML other m 2019-09-03T14:02:53.43
IV.FIAM.HNN. ML:1.7 0.0002194278 0.4096 AML other m 2019-09-03T14:02:52.38
IV.ARRO.EHE. ML:1.5 0.00008836693 0.1792 AML other m 2019-09-03T14:02:58.00
IV.ARRO.EHN. ML:1.6 0.0001224643 0.16 AML other m 2019-09-03T14:02:58.31
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