Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 24-07-2019 and time 11:51:29 (Italy) in region 4 km W Amatrice (RI)

A magnitude ML 1.9 earthquake occured in region: 4 km W Amatrice (RI), on

  • 24-07-2019 09:51:29 (UTC)
  • 24-07-2019 11:51:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6250, 13.2430 at 11 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 4 2657 2657
Cittareale RI 7 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 13 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 18 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
88 Km SE of Perugia (166134 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 1.9 2019-07-24
09:51:29		 42.6252 13.2432 11 2019-11-13
14:31:06		 Bollettino Sismico Italiano INGV 73259011
Reviewed
Rev100 		ML 2.1 2019-07-24
09:51:29		 42.6287 13.2447 12 2019-07-24
09:57:13		 Sala Sismica INGV-Roma 70843011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-24 09:51:29 ± 0.05
Latitude 42.6252 ± 0.0036
Longitude 13.2432 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73259011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 365
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59805
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 70843011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-24 09:57:13

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 73259011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-14 22:57:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-07-24T09:51:55.86 3.0 undecidable manual S -4.2 0
IV.ASSB.HHZ. 2019-07-24T09:51:49.81 0.3 undecidable manual S 314 66.378 50 0.42 63
IV.MOMA.HHZ. 2019-07-24T09:51:47.59 0.6 undecidable manual S 290 58.2972 50 0.35 44
IV.CESI.HHE. 2019-07-24T09:51:45.58 0.6 undecidable manual S 327 50.3163 50 0.47 43
IV.CESX.HHZ. 2019-07-24T09:51:45.93 0.3 undecidable manual S 268 53.6019 50 -0.05 70
IV.FDMO.HHZ. 2019-07-24T09:51:44.47 0.3 undecidable manual S 345 47.3193 50 0.16 70
IV.MF5.EHN. 2019-07-24T09:51:44.15 0.3 undecidable manual S 24 43.9227 50 0.75 59
IV.ARRO.EHZ. 2019-07-24T09:51:42.09 0.6 undecidable manual S 263 39.3273 50 -0.08 48
IV.FIAM.HNN. 2019-07-24T09:51:42.44 0.6 undecidable manual S 195 40.9257 50 -0.16 47
IV.FEMA.HNE. 2019-07-24T09:51:42.61 0.6 undecidable manual S 337 40.5261 50 0.11 47
IV.ASSB.HHZ. 2019-07-24T09:51:41.36 0.6 undecidable manual P 314 66.378 50 0.53 41
IV.GIGS.HHZ. 2019-07-24T09:51:40.24 0.3 undecidable manual S 125 33.0447 50 -0.25 70
IV.MC2.EHZ. 2019-07-24T09:51:40.45 0.3 undecidable manual S 352 32.0457 50 0.22 71
IV.GAVE.EHZ. 2019-07-24T09:51:39.23 0.3 undecidable manual S 285 29.4483 50 -0.29 70
IV.MMO1.EHZ. 2019-07-24T09:51:39.83 0.3 undecidable manual S 13 31.1466 50 -0.16 71
IV.MNTT.EHE. 2019-07-24T09:51:39.93 0.1 undecidable manual P 30 56.2992 50 0.65 80
IV.MOMA.HHZ. 2019-07-24T09:51:39.55 0.1 undecidable manual P 290 58.2972 50 -0.04 93
IV.CESX.HHZ. 2019-07-24T09:51:39.07 0.6 undecidable manual P 268 53.6019 50 0.21 45
IV.VCEL.EHZ. 2019-07-24T09:51:39.44 0.1 undecidable manual P 117 55.1004 50 0.34 88
IV.CESI.HHE. 2019-07-24T09:51:38.34 0.1 undecidable manual P 327 50.3163 50 -0.02 95
IV.MF5.EHN. 2019-07-24T09:51:37.68 0.1 undecidable manual P 24 43.9227 50 0.31 90
IV.OFFI.HHE. 2019-07-24T09:51:37.55 0.1 undecidable manual P 46 49.8168 50 -0.72 78
IV.FDMO.HHZ. 2019-07-24T09:51:37.69 0.1 undecidable manual P 345 47.3193 50 -0.21 92
IV.NRCA.HHZ. 2019-07-24T09:51:37.95 0.3 undecidable manual S 336 25.3524 50 -0.5 67
IV.FEMA.HNE. 2019-07-24T09:51:37.14 0.1 undecidable manual P 337 40.5261 50 0.29 91
IV.LNSS.HHZ. 2019-07-24T09:51:36.04 0.3 undecidable manual S 262 16.7721 123 0 76
IV.ARRO.EHZ. 2019-07-24T09:51:36.37 0.1 undecidable manual P 263 39.3273 50 -0.29 92
IV.FIAM.HNN. 2019-07-24T09:51:36.94 1.0 undecidable manual P 195 40.9257 50 0.03 24
IV.MTRA.HNZ. 2019-07-24T09:51:36.24 0.3 undecidable manual S 41 19.2696 119 -0.54 67
MN.AQU.HNN. 2019-07-24T09:51:36.06 0.1 undecidable manual P 156 32.8449 50 0.39 90
IV.MC2.EHZ. 2019-07-24T09:51:35.52 0.1 undecidable manual P 352 32.0457 50 -0.02 98
IV.CAMP.HHZ. 2019-07-24T09:51:35.94 0.3 undecidable manual S 126 16.7721 123 -0.11 74
IV.MMO1.EHZ. 2019-07-24T09:51:35.03 0.1 undecidable manual P 13 31.1466 50 -0.37 91
IV.RM33.EHZ. 2019-07-24T09:51:35.19 0.3 undecidable manual S 190 13.0758 129 0.18 73
IV.GIGS.HHZ. 2019-07-24T09:51:35.33 0.1 undecidable manual P 125 33.0447 50 -0.36 91
IV.NRCA.HHZ. 2019-07-24T09:51:34.12 0.1 undecidable manual P 336 25.3524 50 -0.39 92
IV.GAVE.EHZ. 2019-07-24T09:51:34.83 0.1 undecidable manual P 285 29.4483 50 -0.31 93
IV.SMA1.EHZ. 2019-07-24T09:51:34.00 0.3 undecidable manual S 85 7.5813 145 0.31 72
IV.LNSS.HHZ. 2019-07-24T09:51:33.05 0.1 undecidable manual P 262 16.7721 123 -0.07 100
IV.CAMP.HHZ. 2019-07-24T09:51:33.08 0.1 undecidable manual P 126 16.7721 123 -0.05 100
IV.MTRA.HNZ. 2019-07-24T09:51:33.27 0.1 undecidable manual P 41 19.2696 119 -0.28 95
IV.RM33.EHZ. 2019-07-24T09:51:32.63 0.1 undecidable manual P 190 13.0758 129 0.1 100
IV.T1299.HNN. 2019-07-24T09:51:32.90 0.6 undecidable manual S 72 3.3966 163 -0.14 50
IV.T1299.HNN. 2019-07-24T09:51:31.59 0.1 undecidable manual P 72 3.3966 163 0.2 99
IV.SMA1.EHZ. 2019-07-24T09:51:31.99 0.1 undecidable manual P 85 7.5813 145 0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VCEL.EHE. ML:0.0 0.0001653498 0.1984 AML other m 2019-07-24T09:51:48.41
IV.VCEL.EHN. ML:0.0 0.0001949598 0.2176 AML other m 2019-07-24T09:51:50.44
IV.SMA1.EHN. ML:2.3 0.0027310175000000003 0.2816 AML other m 2019-07-24T09:51:34.32
IV.SMA1.EHE. ML:2.9 0.010267554 0.2624 AML other m 2019-07-24T09:51:34.18
IV.RM33.HNE. ML:2.2 0.0017386385 0.1856 AML other m 2019-07-24T09:51:35.51
IV.RM33.EHE. ML:2.2 0.001717842 0.1856 AML other m 2019-07-24T09:51:35.53
IV.RM33.EHN. ML:2.0 0.0009894927 0.9792 AML other m 2019-07-24T09:51:35.37
IV.RM33.HNN. ML:2.0 0.00097983865 0.1408 AML other m 2019-07-24T09:51:35.36
IV.LNSS.HNE. ML:2.1 0.0010995132000000002 0.1344 AML other m 2019-07-24T09:51:36.14
IV.LNSS.HNN. ML:2.1 0.0011655050999999999 0.1664 AML other m 2019-07-24T09:51:36.03
IV.LNSS.HHE. ML:2.1 0.001154221 0.1344 AML other m 2019-07-24T09:51:36.14
IV.LNSS.HHN. ML:2.3 0.001584314 0.32 AML other m 2019-07-24T09:51:36.03
IV.CAMP.HHE. ML:1.3 0.00017407440000000003 0.2624 AML other m 2019-07-24T09:51:36.34
IV.CAMP.HHN. ML:1.3 0.00017615605 0.2752 AML other m 2019-07-24T09:51:38.10
IV.MTRA.EHN. ML:2.3 0.0014301504999999998 0.256 AML other m 2019-07-24T09:51:36.63
IV.MTRA.HNN. ML:2.3 0.0014092500000000001 0.2496 AML other m 2019-07-24T09:51:36.62
IV.MTRA.EHE. ML:2.2 0.00129777655 0.32 AML other m 2019-07-24T09:51:37.14
IV.MTRA.HNE. ML:2.2 0.0012512735 0.3072 AML other m 2019-07-24T09:51:37.13
IV.NRCA.HNN. ML:2.2 0.0008018932 0.1408 AML other m 2019-07-24T09:51:37.96
IV.NRCA.HHE. ML:2.3 0.0012090879999999999 0.1408 AML other m 2019-07-24T09:51:37.97
IV.NRCA.HNE. ML:2.3 0.0011869395 0.1472 AML other m 2019-07-24T09:51:37.97
IV.NRCA.HHN. ML:2.2 0.0009639089000000001 0.1408 AML other m 2019-07-24T09:51:37.96
IV.GAVE.HNE. ML:1.9 0.00039291455 0.16 AML other m 2019-07-24T09:51:39.32
IV.GAVE.EHE. ML:1.9 0.0004238335 0.2752 AML other m 2019-07-24T09:51:39.33
IV.GAVE.EHN. ML:2.0 0.0005340029500000001 0.3008 AML other m 2019-07-24T09:51:39.47
IV.GAVE.HNN. ML:1.6 0.00020474435000000001 0.3136 AML other m 2019-07-24T09:51:39.47
IV.GIGS.HHE. ML:1.3 0.0000783256 0.0768 AML other m 2019-07-24T09:51:40.25
IV.GIGS.HHN. ML:1.4 0.000105066415 0.1408 AML other m 2019-07-24T09:51:40.29
IV.ARRO.EHE. ML:1.5 0.00011556675 0.16 AML other m 2019-07-24T09:51:44.34
IV.ARRO.EHN. ML:1.4 0.00008856494 0.16 AML other m 2019-07-24T09:51:43.18
IV.FDMO.HHN. ML:1.5 0.000083047505 0.2816 AML other m 2019-07-24T09:51:44.88
IV.FDMO.HHE. ML:1.5 0.000084121525 0.256 AML other m 2019-07-24T09:51:45.31
IV.CESX.HHE. ML:1.4 0.000056527485 0.6208 AML other m 2019-07-24T09:51:47.43
IV.CESX.HHN. ML:1.4 0.0000643791 0.1984 AML other m 2019-07-24T09:51:48.43
IV.MOMA.HNE. ML:1.8 0.00014939910000000002 0.3392 AML other m 2019-07-24T09:51:49.22
IV.MOMA.HHE. ML:1.8 0.00012761715 0.3392 AML other m 2019-07-24T09:51:49.05
IV.MOMA.HNN. ML:1.9 0.0001698349 0.6912 AML other m 2019-07-24T09:51:51.38
IV.MOMA.HHN. ML:1.8 0.00012322745 0.2176 AML other m 2019-07-24T09:51:48.20
IV.ASSB.HHE. ML:1.5 0.00005808714499999999 0.1408 AML other m 2019-07-24T09:51:51.33
IV.ASSB.HHN. ML:1.5 0.000060882505000000006 0.1984 AML other m 2019-07-24T09:51:51.80
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