Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 26-11-2019 and time 09:23:33 (Italy) in region 3 km N Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 3 km N Accumoli (RI), on

  • 26-11-2019 08:23:33 (UTC)
  • 26-11-2019 09:23:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7240, 13.2480 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
Accumoli RI 3 667 667
Arquata del Tronto AP 7 1178 1845
Amatrice RI 11 2657 4502
Cittareale RI 14 482 4984
Acquasanta Terme AP 14 2916 7900
Norcia PG 15 4957 12857
Montegallo AP 15 523 13380
Cascia PG 19 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
52 Km E of Terni (111501 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
100 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 1.3 2019-11-26
08:23:33		 42.7238 13.2477 12 2020-02-28
16:42:24		 Bollettino Sismico Italiano INGV 76467011
Reviewed
Rev100 		ML 1.3 2019-11-26
08:23:33		 42.7233 13.2493 13 2019-11-26
08:31:12		 Sala Sismica INGV-Roma 74035571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-26 08:23:33 ± 0.03
Latitude 42.7238 ± 0.0018
Longitude 13.2477 ± 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 76467011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 15
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 76467011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-12 18:01:05

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 74035571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-26 08:31:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MDI.HHZ. 2019-11-26T08:25:03.92 3.0 undecidable manual Sn -0.29 0
OX.CIMO.HHZ. 2019-11-26T08:24:57.52 3.0 undecidable manual Sg -1.15 0
IV.IFIL.HHZ. 2019-11-26T08:24:34.70 3.0 positive manual Pn 2.34 0
IV.TDS.HHZ. 2019-11-26T08:24:23.83 3.0 undecidable manual Pn -3.65 0
IV.GATE.HHZ. 2019-11-26T08:24:21.96 3.0 undecidable manual Sn -1.4 0
IV.SARZ.HNZ. 2019-11-26T08:24:16.48 3.0 undecidable manual Pn -2.55 0
IT.VNF1.HGZ. 2019-11-26T08:24:13.46 3.0 undecidable manual Sn -0.39 0
OX.CIMO.HHZ. 2019-11-26T08:24:04.29 3.0 positive manual Pn -9.99 0
IT.FIE.HGZ. 2019-11-26T08:23:51.17 3.0 positive manual Pg -0.45 0
IV.GIGS.HHZ. 2019-11-26T08:23:46.22 0.6 undecidable manual S 138 40.1265 91 -0.22 46
IV.CSP1.EHZ. 2019-11-26T08:23:46.86 0.6 undecidable manual S 355 40.9257 91 0.18 46
IV.FDMO.HHZ. 2019-11-26T08:23:45.61 0.6 undecidable manual S 339 37.0296 91 -0.03 48
IV.TERO.HHZ. 2019-11-26T08:23:43.77 0.6 undecidable manual S 111 31.1466 92 -0.29 46
IV.RM33.EHZ. 2019-11-26T08:23:42.22 0.6 undecidable manual S 186 23.9538 93 0.07 49
IV.CAMP.HHZ. 2019-11-26T08:23:42.30 0.6 undecidable manual S 148 24.6531 92 -0.03 49
IV.CSP1.EHZ. 2019-11-26T08:23:41.04 0.3 undecidable manual P 355 40.9257 91 0.02 72
IV.MMO1.EHZ. 2019-11-26T08:23:41.09 0.6 undecidable manual S 18 20.4684 94 -0.13 49
IV.LNSS.HHZ. 2019-11-26T08:23:41.48 0.6 undecidable manual S 232 21.5673 93 -0.03 50
IV.MC2.EHZ. 2019-11-26T08:23:41.51 0.6 undecidable manual S 347 21.3675 93 0.06 49
IV.FDMO.HHZ. 2019-11-26T08:23:40.27 0.3 undecidable manual P 339 37.0296 91 -0.15 72
IV.GIGS.HHZ. 2019-11-26T08:23:40.77 0.3 undecidable manual P 138 40.1265 91 -0.11 71
IV.NRCA.HHZ. 2019-11-26T08:23:39.77 0.6 undecidable manual S 318 16.2726 98 -0.34 48
IV.TERO.HHZ. 2019-11-26T08:23:39.48 0.3 undecidable manual P 111 31.1466 92 -0.03 73
IV.SMA1.EHZ. 2019-11-26T08:23:39.23 0.6 undecidable manual S 145 12.5763 111 0.09 50
IV.MTRA.EHZ. 2019-11-26T08:23:39.08 0.6 undecidable manual S 73 12.6762 111 -0.09 50
IV.CAMP.HHZ. 2019-11-26T08:23:38.47 0.1 undecidable manual P 148 24.6531 92 -0.04 99
IV.MC2.EHZ. 2019-11-26T08:23:38.27 0.1 undecidable manual P 347 21.3675 93 0.27 94
IV.RM33.EHZ. 2019-11-26T08:23:38.41 0.1 undecidable manual P 186 23.9538 93 0.01 99
IV.PESA.HHZ. 2019-11-26T08:23:38.49 3.0 negative manual P -7.53 0
IV.LNSS.HHZ. 2019-11-26T08:23:38.08 0.1 undecidable manual P 232 21.5673 93 0.05 98
IV.NRCA.HHZ. 2019-11-26T08:23:37.22 0.1 undecidable manual P 318 16.2726 98 0 100
IV.MMO1.EHZ. 2019-11-26T08:23:37.84 0.1 undecidable manual P 18 20.4684 94 -0.03 100
IV.MTRA.EHZ. 2019-11-26T08:23:36.81 0.1 undecidable manual P 73 12.6762 111 0.13 98
IV.SMA1.EHZ. 2019-11-26T08:23:36.86 0.1 undecidable manual P 145 12.5763 111 0.19 97
IV.ARVD.HHZ. 2019-11-26T08:23:30.79 3.0 negative manual Pn -9.45 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.3 0.000192 0.9 AML other m 2019-11-26T08:23:39.60
IV.MTRA.EHN. ML:1.3 0.00020400000000000003 0.16 AML other m 2019-11-26T08:23:39.14
IV.NRCA.HHN. ML:1.4 0.00020500000000000002 0.12 AML other m 2019-11-26T08:23:39.89
IV.NRCA.HHE. ML:1.4 0.00020050000000000002 0.18 AML other m 2019-11-26T08:23:39.82
IV.LNSS.HHN. ML:1.1 0.00008515000000000001 0.28 AML other m 2019-11-26T08:23:41.83
IV.LNSS.HHE. ML:1.2 0.00009575 1.42 AML other m 2019-11-26T08:23:42.81
IV.TERO.HHE. ML:1.0 0.00004845 1.02 AML other m 2019-11-26T08:23:43.46
IV.TERO.HHN. ML:1.3 0.0001005 0.08 AML other m 2019-11-26T08:23:44.50
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