Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 26-11-2019 and time 23:58:33 (Italy) in region 4 km E Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 4 km E Amatrice (RI), on

  • 26-11-2019 22:58:33 (UTC)
  • 26-11-2019 23:58:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6250, 13.3380 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Amatrice RI 4 2657 2657
Campotosto AQ 8 542 3199
Accumoli RI 11 667 3866
Capitignano AQ 12 665 4531
Montereale AQ 13 2581 7112
Cortino TE 14 656 7768
Crognaleto TE 14 1297 9065
Cittareale RI 15 482 9547
Arquata del Tronto AP 17 1178 10725
Rocca Santa Maria TE 17 537 11262
Acquasanta Terme AP 17 2916 14178
Valle Castellana TE 18 977 15155
Fano Adriano TE 18 296 15451
Barete AQ 20 737 16188

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
31 Km N of L'Aquila (69753 inhabitants)
57 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
75 Km W of Chieti (51815 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
94 Km SE of Perugia (166134 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
Reviewed
Rev100 		ML 1.3 2019-11-26
22:58:33		 42.6248 13.3383 8 2019-11-26
23:05:22		 Sala Sismica INGV-Roma 74055471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-26 22:58:33 ± 0.06
Latitude 42.6248 ± 0.0027
Longitude 13.3383 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74055471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 284
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00630
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 74055471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-26 23:05:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2019-11-26T22:58:44.88 0.6 undecidable manual S 358 30.4473 105 0.01 49
IV.NRCA.HHZ. 2019-11-26T22:58:44.55 0.6 undecidable manual S 322 29.4483 105 0 49
IV.T0110.HHZ. 2019-11-26T22:58:44.55 1.0 positive manual P 141 56.5989 50 0.07 23
IV.FDMO.HHZ. 2019-11-26T22:58:43.64 1.0 positive manual P 336 50.0166 50 0.18 23
IV.GIGS.HHZ. 2019-11-26T22:58:43.33 0.3 undecidable manual S 135 27.0507 107 -0.39 68
IV.CSP1.EHZ. 2019-11-26T22:58:43.64 1.0 undecidable manual P 348 52.9026 50 -0.26 22
IV.LNSS.HHZ. 2019-11-26T22:58:42.68 0.6 undecidable manual S 264 24.4533 108 -0.19 48
IV.FAGN.HHZ. 2019-11-26T22:58:42.44 1.0 negative manual P 153 44.622 50 -0.18 23
IV.MF5.EHZ. 2019-11-26T22:58:41.85 0.6 undecidable manual P 14 41.4252 50 -0.28 45
IV.TERO.HHZ. 2019-11-26T22:58:41.98 0.6 undecidable manual S 90 21.6672 110 0.02 50
IV.RM33.EHZ. 2019-11-26T22:58:40.32 0.6 undecidable manual S 218 16.3725 116 0.06 50
IV.MMO1.EHZ. 2019-11-26T22:58:40.00 0.1 undecidable manual P 358 30.4473 105 -0.25 93
IV.NRCA.HHZ. 2019-11-26T22:58:40.19 0.3 positive manual P 322 29.4483 105 0.12 72
IV.MTRA.EHZ. 2019-11-26T22:58:40.07 0.6 undecidable manual S 18 15.3735 118 0.11 49
IV.LNSS.HHZ. 2019-11-26T22:58:39.05 0.1 undecidable manual P 264 24.4533 108 -0.05 98
IV.GIGS.HHZ. 2019-11-26T22:58:39.48 1.0 undecidable manual P 135 27.0507 107 -0.11 24
IV.TERO.HHZ. 2019-11-26T22:58:38.73 0.1 undecidable manual P 90 21.6672 110 0.16 97
IV.CAMP.HHE. 2019-11-26T22:58:38.81 0.6 undecidable manual S 150 11.4774 125 0.03 51
IV.CAMP.HHE. 2019-11-26T22:58:37.01 0.3 undecidable manual P 150 11.4774 125 0.27 72
IV.MTRA.EHZ. 2019-11-26T22:58:37.62 0.1 undecidable manual P 18 15.3735 118 0.2 97
IV.RM33.EHZ. 2019-11-26T22:58:37.78 0.1 positive manual P 218 16.3725 116 0.19 97
IV.T1299.HNN. 2019-11-26T22:58:36.96 0.6 undecidable manual S 283 4.6953 150 -0.21 49
IV.SMA1.EHZ. 2019-11-26T22:58:36.41 0.6 undecidable manual S 338 0.6993 175 -0.33 48
IV.SMA1.EHZ. 2019-11-26T22:58:35.54 0.6 undecidable manual P 338 0.6993 175 -0.01 52
IV.T1299.HNN. 2019-11-26T22:58:35.94 0.1 undecidable manual P 283 4.6953 150 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.5 0.0002895 0.28 AML other m 2019-11-26T22:58:40.30
IV.MTRA.HNN. ML:1.5 0.0003115 0.48 AML other m 2019-11-26T22:58:40.58
IV.RM33.EHN. ML:1.5 0.0003145 0.22 AML other m 2019-11-26T22:58:40.54
IV.RM33.HNN. ML:1.5 0.0003255 0.24 AML other m 2019-11-26T22:58:40.53
IV.MTRA.EHN. ML:1.4 0.000253 0.24 AML other m 2019-11-26T22:58:40.59
IV.MTRA.HNE. ML:1.4 0.000282 1.12 AML other m 2019-11-26T22:58:41.14
IV.RM33.EHE. ML:1.6 0.0003415 1.02 AML other m 2019-11-26T22:58:41.12
IV.RM33.HNE. ML:1.7 0.00045200000000000004 1.04 AML other m 2019-11-26T22:58:41.12
IV.TERO.HHN. ML:1.8 0.00045400000000000003 0.3 AML other m 2019-11-26T22:58:42.26
IV.TERO.HHE. ML:1.7 0.0003895 0.24 AML other m 2019-11-26T22:58:42.23
IV.GIGS.HHN. ML:0.8 0.00003705 0.56 AML other m 2019-11-26T22:58:43.49
IV.GIGS.HHE. ML:0.7 0.0000286 0.36 AML other m 2019-11-26T22:58:43.33
IV.LNSS.HHE. ML:1.2 0.00008755 0.3 AML other m 2019-11-26T22:58:44.89
IV.NRCA.HHE. ML:1.3 0.0001004 0.72 AML other m 2019-11-26T22:58:45.41
IV.NRCA.HHN. ML:1.1 0.00006515 0.78 AML other m 2019-11-26T22:58:45.63
IV.LNSS.HHN. ML:1.2 0.00010200000000000001 0.38 AML other m 2019-11-26T22:58:46.37
IV.FDMO.HHN. ML:0.9 0.000019900000000000003 0.42 AML other m 2019-11-26T22:58:52.67
IV.FDMO.HHE. ML:0.9 0.00002 0.48 AML other m 2019-11-26T22:58:54.17
IV.T0110.HHE. ML:1.4 0.00005 1.14 AML other m 2019-11-26T22:58:54.67
IV.T0110.HHN. ML:1.4 0.00005225 0.54 AML other m 2019-11-26T22:58:58.60
IV.SMA1.EHE. ML:0.0 0.01316101 0.2304 AML other m 2019-11-26T22:58:36.65
IV.SMA1.EHN. ML:0.0 0.006780579 0.32 AML other m 2019-11-26T22:58:36.63
IV.NRCA.HNE. ML:1.4 0.00013386679499999998 0.9984 AML other m 2019-11-26T22:58:44.92
IV.NRCA.HNN. ML:1.0 0.0000502617 0.3072 AML other m 2019-11-26T22:58:44.92
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