Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 09-07-2019 and time 07:56:30 (UTC) in region 2 km SW Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 2 km SW Amatrice (RI), on

  • 09-07-2019 07:56:30 (UTC)
  • 09-07-2019 09:56:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6190, 13.2760 at 16 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
Amatrice RI 2 2657 2657
Accumoli RI 9 667 3324
Cittareale RI 9 482 3806
Campotosto AQ 10 542 4348
Montereale AQ 11 2581 6929
Capitignano AQ 11 665 7594
Borbona RI 17 617 8211
Arquata del Tronto AP 17 1178 9389
Posta RI 18 694 10083
Cagnano Amiterno AQ 18 1369 11452
Crognaleto TE 18 1297 12749
Barete AQ 19 737 13486
Cortino TE 19 656 14142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
99 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 2.0 2019-07-09
07:56:30		 42.6187 13.2758 16 2019-11-13
14:30:57		 Bollettino Sismico Italiano INGV 71222081
Reviewed
Rev100 		ML 2.2 2019-07-09
07:56:30		 42.6283 13.2722 17 2019-07-09
08:02:12		 Sala Sismica INGV-Roma 70396981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-09 07:56:30 ± 0.08
Latitude 42.6187 ± 0.0036
Longitude 13.2758 ± 0.0061
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71222081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54229
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 70396981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-09 08:02:12

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 71222081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-06 15:48:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2019-07-09T07:57:00.09 3.0 undecidable manual S -0.05 0
IV.MNTT.EHE. 2019-07-09T07:56:41.51 0.6 undecidable manual P 28 55.5999 97 0.82 36
IV.MMO1.EHZ. 2019-07-09T07:56:41.59 0.3 undecidable manual S 8 31.4463 105 -0.07 73
IV.MML1.HNE. 2019-07-09T07:56:41.92 1.0 undecidable manual P 336 60.1953 96 0.54 20
IV.GAVE.EHZ. 2019-07-09T07:56:41.60 0.3 undecidable manual S 285 32.1456 104 -0.26 68
IV.T0110.HHZ. 2019-07-09T07:56:41.31 0.6 undecidable manual P 136 59.496 96 0.03 46
IV.NRCA.HHZ. 2019-07-09T07:56:40.47 0.3 undecidable manual S 331 27.2505 108 -0.12 72
IV.VCEL.EHZ. 2019-07-09T07:56:40.23 0.3 undecidable manual P 118 52.4031 97 0.04 69
IV.CESI.HHE. 2019-07-09T07:56:40.95 0.3 undecidable manual P 325 52.4031 97 0.75 57
IV.TERO.HHZ. 2019-07-09T07:56:40.16 0.3 undecidable manual S 89 26.751 108 -0.31 69
IV.FAGN.HHZ. 2019-07-09T07:56:39.75 0.6 undecidable manual P 147 46.5201 98 0.45 43
IV.MF5.EHN. 2019-07-09T07:56:39.04 0.3 undecidable manual P 20 43.623 99 0.19 68
IV.FDMO.HHN. 2019-07-09T07:56:39.46 0.6 undecidable manual P 342 48.8178 98 -0.18 46
IV.MTRA.HNZ. 2019-07-09T07:56:38.14 0.3 undecidable manual S 33 18.1707 120 -0.24 72
IV.LNSS.HHZ. 2019-07-09T07:56:38.67 0.3 undecidable manual S 265 19.2696 118 0.03 74
IV.FIAM.HNN. 2019-07-09T07:56:38.56 0.3 undecidable manual P 199 41.0256 100 0.11 70
IV.RM33.EHZ. 2019-07-09T07:56:37.18 0.3 undecidable manual S 202 13.1757 132 -0.11 72
IV.CAMP.HHE. 2019-07-09T07:56:37.44 0.1 undecidable manual S 130 14.2746 129 -0.07 98
IV.MC2.EHZ. 2019-07-09T07:56:37.51 0.6 undecidable manual P 348 33.2445 103 0.23 46
IV.NRCA.HHZ. 2019-07-09T07:56:36.12 0.3 undecidable manual P 331 27.2505 108 -0.27 70
IV.MMO1.EHZ. 2019-07-09T07:56:36.81 0.3 undecidable manual P 8 31.4463 105 -0.2 70
IV.SMA1.EHZ. 2019-07-09T07:56:36.31 0.3 undecidable manual S 75 4.995 159 0.25 73
IV.GAVE.EHZ. 2019-07-09T07:56:36.83 0.3 undecidable manual P 285 32.1456 104 -0.29 68
IV.T1299.HNN. 2019-07-09T07:56:36.08 0.3 undecidable manual S 17 1.7982 172 0.24 74
IV.TERO.HHZ. 2019-07-09T07:56:35.99 0.3 undecidable manual P 89 26.751 108 -0.33 69
IV.LNSS.HHZ. 2019-07-09T07:56:35.14 0.1 undecidable manual P 265 19.2696 118 -0.12 96
IV.CAMP.HHE. 2019-07-09T07:56:34.53 0.1 undecidable manual P 130 14.2746 129 -0.08 98
IV.RM33.EHZ. 2019-07-09T07:56:34.48 0.1 undecidable manual P 202 13.1757 132 0 99
IV.MTRA.HNZ. 2019-07-09T07:56:34.96 0.1 undecidable manual P 33 18.1707 120 -0.15 97
IV.SMA1.EHZ. 2019-07-09T07:56:33.85 0.1 undecidable manual P 75 4.995 159 0.08 100
IV.T1299.HNN. 2019-07-09T07:56:33.79 0.1 undecidable manual P 17 1.7982 172 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.4 0.00029376064999999996 0.096 AML other m 2019-07-09T07:56:34.08
IV.SMA1.EHE. ML:1.6 0.00043847044999999993 0.2816 AML other m 2019-07-09T07:56:37.80
IV.RM33.HNE. ML:2.2 0.001369567 0.1792 AML other m 2019-07-09T07:56:37.80
IV.RM33.EHE. ML:2.2 0.0013618295 0.1792 AML other m 2019-07-09T07:56:37.80
IV.RM33.EHN. ML:2.2 0.0013290245 0.096 AML other m 2019-07-09T07:56:37.63
IV.RM33.HNN. ML:2.2 0.0013068605 0.1344 AML other m 2019-07-09T07:56:37.63
IV.MTRA.HNN. ML:2.2 0.0010165172499999999 0.1088 AML other m 2019-07-09T07:56:38.27
IV.MTRA.EHE. ML:2.2 0.0010813083500000001 0.1024 AML other m 2019-07-09T07:56:38.31
IV.MTRA.HNE. ML:2.2 0.00108396695 0.1024 AML other m 2019-07-09T07:56:38.32
IV.MTRA.EHN. ML:2.2 0.0010942155000000001 0.1216 AML other m 2019-07-09T07:56:38.26
IV.LNSS.HNN. ML:1.9 0.000503234 0.128 AML other m 2019-07-09T07:56:38.89
IV.LNSS.HNE. ML:1.9 0.0005823257000000001 0.1344 AML other m 2019-07-09T07:56:38.84
IV.LNSS.HHE. ML:2.0 0.0006669925000000001 0.1216 AML other m 2019-07-09T07:56:38.84
IV.LNSS.HHN. ML:1.9 0.0005305233000000001 0.16 AML other m 2019-07-09T07:56:38.89
IV.TERO.HNN. ML:1.6 0.0002053123 0.0768 AML other m 2019-07-09T07:56:40.46
IV.TERO.HNE. ML:1.7 0.00024333775000000003 0.128 AML other m 2019-07-09T07:56:40.33
IV.TERO.HHE. ML:1.9 0.00041645939999999997 0.16 AML other m 2019-07-09T07:56:40.33
IV.TERO.HHN. ML:2.0 0.00045523785 0.0832 AML other m 2019-07-09T07:56:40.56
IV.NRCA.HNE. ML:2.2 0.00076877005 0.1472 AML other m 2019-07-09T07:56:40.81
IV.NRCA.HHE. ML:2.2 0.0008574373 0.16 AML other m 2019-07-09T07:56:40.80
IV.NRCA.HHN. ML:1.9 0.00035310790000000006 0.0768 AML other m 2019-07-09T07:56:40.67
IV.NRCA.HNN. ML:1.8 0.0003300032 0.1024 AML other m 2019-07-09T07:56:40.72
IV.GAVE.EHE. ML:1.6 0.00015779985 0.1984 AML other m 2019-07-09T07:56:41.85
IV.GAVE.EHN. ML:1.6 0.00018626104999999997 0.2624 AML other m 2019-07-09T07:56:42.69
IV.VCEL.EHN. ML:1.6 0.000094062645 0.32 AML other m 2019-07-09T07:56:51.92
IV.VCEL.EHE. ML:1.6 0.00010095526499999998 0.2752 AML other m 2019-07-09T07:56:49.96
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
Waveforms Seismic signals in miniseed + resp format Download