Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 26-10-2019 and time 23:20:32 (UTC) in region 1 km SW Barete (AQ)

A magnitude ML 0.8 earthquake occured in region: 1 km SW Barete (AQ), on

  • 26-10-2019 23:20:32 (UTC)
  • 27-10-2019 01:20:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4460, 13.2780 at 14 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 1 737 737
Pizzoli AQ 2 4326 5063
Cagnano Amiterno AQ 5 1369 6432
Capitignano AQ 9 665 7097
Scoppito AQ 9 3727 10824
Montereale AQ 9 2581 13405
Borbona RI 14 617 14022
L'Aquila AQ 14 69753 83775
Campotosto AQ 15 542 84317
Antrodoco RI 17 2588 86905
Posta RI 17 694 87599
Tornimparte AQ 17 3187 90786
Lucoli AQ 18 1011 91797
Micigliano RI 18 127 91924
Borgo Velino RI 19 972 92896

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
74 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
94 Km NE of Velletri (53303 inhabitants)
96 Km E of Viterbo (67173 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 0.8 2019-10-26
23:20:32		 42.4465 13.2785 14 2020-02-28
16:42:13		 Bollettino Sismico Italiano INGV 74592571
Reviewed
Rev100 		ML 0.8 2019-10-26
23:20:32		 42.4433 13.2793 14 2019-10-26
23:39:08		 Sala Sismica INGV-Roma 73462921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-26 23:20:32 ± 0.06
Latitude 42.4465 ± 0.0027
Longitude 13.2785 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74592571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 296
Semi-minor axis of confidence ellipse (meter) 109
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
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) 98
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 74592571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-13 11:04:49

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 73462921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-26 23:39:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVE.HHZ. 2019-10-26T23:21:53.01 3.0 undecidable manual Sn -0.23 0
IV.BRMO.HHZ. 2019-10-26T23:21:47.05 3.0 undecidable manual Pg 12.64 0
IV.CAVE.HHZ. 2019-10-26T23:21:22.67 3.0 positive manual Pg 10.98 0
IV.SEI.HHZ. 2019-10-26T23:21:06.51 3.0 undecidable manual Pg 6.39 0
IV.OSSC.HHZ. 2019-10-26T23:21:00.68 3.0 positive manual Pg 6.29 0
IV.NRCA.HHZ. 2019-10-26T23:20:46.53 0.6 undecidable manual S 343 45.0216 94 -0.08 48
IV.VITU.HHZ. 2019-10-26T23:20:44.38 3.0 undecidable manual P 1.31 0
IV.VBKN.HHZ. 2019-10-26T23:20:43.54 3.0 positive manual Pn -0.1 0
IV.TERO.HHZ. 2019-10-26T23:20:43.09 0.6 undecidable manual S 54 33.0447 97 -0.34 45
IV.LNSS.HHE. 2019-10-26T23:20:41.55 0.3 undecidable manual S 312 26.0517 100 -0.05 74
IV.T1299.EHZ. 2019-10-26T23:20:40.21 0.6 undecidable manual S 1 20.868 105 -0.02 49
IV.SMA1.EHZ. 2019-10-26T23:20:40.48 0.6 undecidable manual S 13 20.9679 105 0.22 47
IV.FIAM.HNN. 2019-10-26T23:20:40.98 0.6 undecidable manual S 214 23.8539 102 -0.03 48
IV.GIGS.HHZ. 2019-10-26T23:20:40.83 0.6 undecidable manual S 88 24.0537 102 -0.25 46
IV.NRCA.HHZ. 2019-10-26T23:20:40.35 0.1 undecidable manual P 343 45.0216 94 -0.14 93
MN.AQU.HHE. 2019-10-26T23:20:38.80 0.3 undecidable manual S 135 14.5743 118 0.11 75
IV.TERO.HHZ. 2019-10-26T23:20:38.62 0.1 undecidable manual P 54 33.0447 97 -0.04 96
IV.CAMP.HHN. 2019-10-26T23:20:38.59 0.6 undecidable manual S 47 14.5743 118 -0.08 49
IV.GIGS.HHZ. 2019-10-26T23:20:37.36 0.3 undecidable manual P 88 24.0537 102 0.06 74
IV.LNSS.HHE. 2019-10-26T23:20:37.58 0.1 undecidable manual P 312 26.0517 100 -0.02 99
IV.RM33.EHZ. 2019-10-26T23:20:37.35 0.1 undecidable manual S 323 8.6802 138 -0.09 100
IV.SMA1.EHZ. 2019-10-26T23:20:37.04 0.1 undecidable manual P 13 20.9679 105 0.22 95
IV.FIAM.HNN. 2019-10-26T23:20:37.10 0.3 undecidable manual P 214 23.8539 102 -0.15 71
IV.CAMP.HHN. 2019-10-26T23:20:36.00 0.1 undecidable manual P 47 14.5743 118 0.09 99
IV.T1299.EHZ. 2019-10-26T23:20:36.89 0.1 undecidable manual P 1 20.868 105 0.09 97
MN.AQU.HHE. 2019-10-26T23:20:36.15 0.6 undecidable manual P 135 14.5743 118 0.24 49
IV.RM33.EHZ. 2019-10-26T23:20:35.29 0.1 undecidable manual P 323 8.6802 138 0.09 100
IV.RMP.HHZ. 2019-10-26T23:20:23.37 3.0 undecidable manual P -0.01 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.7 0.00005645 0.88 AML other m 2019-10-26T23:20:37.46
IV.RM33.EHE. ML:0.8 0.0000708 0.76 AML other m 2019-10-26T23:20:38.57
IV.SMA1.EHN. ML:1.0 0.000063 0.32 AML other m 2019-10-26T23:20:40.93
IV.SMA1.EHE. ML:0.9 0.0000537 0.32 AML other m 2019-10-26T23:20:41.18
IV.GIGS.HHN. ML:0.2 0.000007808802 0.7232 AML other m 2019-10-26T23:20:43.43
IV.GIGS.HHE. ML:0.2 0.000008103889 0.2752 AML other m 2019-10-26T23:20:43.47
IV.NRCA.HHE. ML:1.1 0.00003295 0.14 AML other m 2019-10-26T23:20:46.89
IV.NRCA.HHN. ML:0.9 0.000027450000000000003 0.08 AML other m 2019-10-26T23:20:47.26
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