Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 19-10-2019 and time 00:59:27 (Italy) in region 5 km S Amatrice (RI)

A magnitude ML 1.3 earthquake occured in region: 5 km S Amatrice (RI), on

  • 18-10-2019 22:59:27 (UTC)
  • 19-10-2019 00:59:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5830, 13.3040 at 9 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 5 2657 2657
Campotosto AQ 6 542 3199
Capitignano AQ 7 665 3864
Montereale AQ 8 2581 6445
Cittareale RI 12 482 6927
Accumoli RI 13 667 7594
Barete AQ 15 737 8331
Crognaleto TE 15 1297 9628
Cagnano Amiterno AQ 15 1369 10997
Borbona RI 16 617 11614
Pizzoli AQ 16 4326 15940
Cortino TE 17 656 16596
Posta RI 18 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
95 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 2019-10-18
22:59:27		 42.5827 13.3042 9 2019-10-18
23:03:40		 Sala Sismica INGV-Roma 73332111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-18 22:59:27 ± 0.08
Latitude 42.5827 ± 0.0045
Longitude 13.3042 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73332111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 444
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.51441
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 73332111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-18 23:03:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2019-10-18T22:59:44.34 0.6 undecidable manual S 16 46.7199 50 1.12 33
IV.MMO1.EHZ. 2019-10-18T22:59:40.08 0.6 undecidable manual S 3 35.1426 50 -0.08 48
IV.NRCA.HHZ. 2019-10-18T22:59:39.14 0.6 undecidable manual S 331 31.8459 50 -0.12 48
IV.CSP1.EHZ. 2019-10-18T22:59:38.31 0.1 undecidable manual P 352 57.0984 50 -0.05 93
IV.GIGS.HHZ. 2019-10-18T22:59:37.24 0.6 undecidable manual S 123 26.2515 110 -0.37 46
IV.MF5.EHZ. 2019-10-18T22:59:37.23 0.1 undecidable manual P 16 46.7199 50 0.46 87
IV.FDMO.HHZ. 2019-10-18T22:59:37.63 0.1 undecidable manual P 341 53.3022 50 -0.16 91
IV.LNSS.HHZ. 2019-10-18T22:59:36.03 0.6 undecidable manual S 276 21.6672 114 -0.1 49
IV.TERO.HHZ. 2019-10-18T22:59:36.90 0.6 undecidable manual S 80 24.8529 111 -0.27 47
IV.MTRA.EHZ. 2019-10-18T22:59:35.53 0.6 undecidable manual S 21 20.7681 114 -0.31 47
IV.MMO1.EHZ. 2019-10-18T22:59:34.80 0.1 undecidable manual P 3 35.1426 50 -0.19 94
IV.NRCA.HHZ. 2019-10-18T22:59:34.14 0.1 undecidable manual P 331 31.8459 50 -0.34 91
IV.GIGS.HHZ. 2019-10-18T22:59:33.29 0.3 undecidable manual P 123 26.2515 110 -0.24 71
IV.TERO.HHZ. 2019-10-18T22:59:33.19 0.1 undecidable manual P 80 24.8529 111 -0.08 98
IV.CAMP.HHZ. 2019-10-18T22:59:32.76 0.3 undecidable manual S 121 9.9789 133 0.05 76
IV.MTRA.EHZ. 2019-10-18T22:59:32.51 0.1 undecidable manual P 21 20.7681 114 0.01 100
IV.RM33.EHZ. 2019-10-18T22:59:32.92 0.6 undecidable manual S 222 10.9779 131 -0.03 50
IV.LNSS.HHZ. 2019-10-18T22:59:32.65 0.1 undecidable manual P 276 21.6672 114 -0.02 99
IV.T1299.HNE. 2019-10-18T22:59:31.57 0.3 undecidable manual S 343 5.994 148 -0.24 73
IV.RM33.EHZ. 2019-10-18T22:59:31.06 0.1 positive manual P 222 10.9779 131 0.23 97
IV.SMA1.EHZ. 2019-10-18T22:59:31.89 0.3 undecidable manual S 26 5.8941 148 0.1 75
IV.SMA1.EHZ. 2019-10-18T22:59:30.48 0.1 undecidable manual P 26 5.8941 148 0.31 96
IV.CAMP.HHZ. 2019-10-18T22:59:30.96 0.1 undecidable manual P 121 9.9789 133 0.27 96
IV.T1299.HNE. 2019-10-18T22:59:30.30 0.1 undecidable manual P 343 5.994 148 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.5 0.00040149999999999995 0.32 AML other m 2019-10-18T22:59:33.23
IV.CAMP.HHN. ML:1.2 0.000194 1.4 AML other m 2019-10-18T22:59:33.26
IV.CAMP.HHE. ML:1.2 0.00022 0.56 AML other m 2019-10-18T22:59:33.01
IV.RM33.EHE. ML:1.6 0.0004355 1.04 AML other m 2019-10-18T22:59:33.23
IV.RM33.EHN. ML:1.6 0.0004595 0.72 AML other m 2019-10-18T22:59:34.02
IV.RM33.HNN. ML:1.6 0.000488 0.72 AML other m 2019-10-18T22:59:34.02
IV.LNSS.HHE. ML:1.4 0.000183 0.2 AML other m 2019-10-18T22:59:36.30
IV.LNSS.HHN. ML:1.5 0.00021500000000000002 0.4 AML other m 2019-10-18T22:59:36.45
IV.GIGS.HHN. ML:0.6 0.00001845 0.5 AML other m 2019-10-18T22:59:38.71
IV.GIGS.HHE. ML:0.4 0.00001535 1.48 AML other m 2019-10-18T22:59:40.81
IV.NRCA.HHE. ML:1.2 0.0000739 0.12 AML other m 2019-10-18T22:59:40.50
IV.NRCA.HHN. ML:1.0 0.00004145 0.58 AML other m 2019-10-18T22:59:41.39
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