Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 05-04-2019 and time 11:54:55 (Italy) in region 4 km NW Amatrice (RI)

A magnitude ML 2.4 earthquake occured in region: 4 km NW Amatrice (RI), on

  • 05-04-2019 09:54:55 (UTC)
  • 05-04-2019 11:54:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6480, 13.2510 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
Amatrice RI 4 2657 2657
Accumoli RI 5 667 3324
Cittareale RI 8 482 3806
Montereale AQ 14 2581 6387
Campotosto AQ 14 542 6929
Arquata del Tronto AP 14 1178 8107
Capitignano AQ 15 665 8772
Borbona RI 18 617 9389
Posta RI 19 694 10083
Acquasanta Terme AP 19 2916 12999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
37 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
97 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 2.4 2019-04-05
09:54:55		 42.6483 13.2512 12 2019-08-22
08:24:55		 Bollettino Sismico Italiano INGV 67367601
Reviewed
Rev100 		ML 2.3 2019-04-05
09:54:55		 42.6567 13.2432 10 2019-04-05
10:04:24		 Sala Sismica INGV-Roma 67271051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-05 09:54:55 ± 0.05
Latitude 42.6483 ± 0.0027
Longitude 13.2512 ± 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 67367601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52341
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 67271051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-05 10:04:24

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 67367601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-08 08:14:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OVO.HHZ. 2019-04-05T09:55:28.94 3.0 undecidable manual Pn 0.9 0
IV.FOSV.EHZ. 2019-04-05T09:55:20.60 3.0 undecidable manual S -0.76 0
IV.VIVA.HHZ. 2019-04-05T09:55:15.99 3.0 undecidable manual P 2.4 0
IV.MOMA.HHZ. 2019-04-05T09:55:13.42 0.6 undecidable manual S 288 58.0974 92 0.3 44
IV.FRON.EHZ. 2019-04-05T09:55:13.33 3.0 positive manual P -0.18 0
IV.CESX.HHZ. 2019-04-05T09:55:12.15 0.3 undecidable manual S 266 54.4011 92 0.02 71
IV.CESI.HHZ. 2019-04-05T09:55:10.72 0.3 undecidable manual S 325 48.618 92 0.14 69
IV.GUMA.HHZ. 2019-04-05T09:55:10.78 0.3 undecidable manual S 8 46.5201 92 0.76 58
IV.MF5.EHZ. 2019-04-05T09:55:09.34 0.3 undecidable manual S 24 41.3253 93 0.7 60
IV.FIAM.HHZ. 2019-04-05T09:55:09.45 0.3 undecidable manual S 195 43.623 93 0.2 70
IV.ARVD.HHZ. 2019-04-05T09:55:09.14 3.0 negative manual P -3.26 0
IV.FDMO.HHZ. 2019-04-05T09:55:09.48 0.6 undecidable manual S 343 45.1215 92 -0.16 47
IV.FEMA.HNZ. 2019-04-05T09:55:08.05 0.3 undecidable manual S 335 38.4282 93 0.17 70
IV.CERT.HHZ. 2019-04-05T09:55:08.85 3.0 positive manual P -0.55 0
IV.ARRO.EHZ. 2019-04-05T09:55:08.61 0.1 undecidable manual S 259 40.3263 93 0.22 93
IV.GIGS.HHZ. 2019-04-05T09:55:06.57 0.3 undecidable manual S 129 34.0437 94 -0.14 71
IV.GAVE.EHZ. 2019-04-05T09:55:05.19 0.3 undecidable manual S 280 29.5482 95 -0.31 69
IV.VCEL.EHZ. 2019-04-05T09:55:05.54 0.3 undecidable manual P 120 55.7997 92 0.37 66
IV.MC2.EHZ. 2019-04-05T09:55:05.55 0.3 undecidable manual S 350 29.6481 95 0.03 73
IV.MOMA.HHZ. 2019-04-05T09:55:05.53 0.3 undecidable manual P 288 58.0974 92 0 70
IV.SAP2.EHZ. 2019-04-05T09:55:05.21 3.0 undecidable manual P 0.72 0
IV.MMO1.EHZ. 2019-04-05T09:55:05.01 0.3 undecidable manual S 12 28.5492 95 -0.22 71
IV.MNTT.EHZ. 2019-04-05T09:55:05.68 3.0 undecidable manual P 0.75 0
IV.CESI.HHZ. 2019-04-05T09:55:04.50 0.3 undecidable manual P 325 48.618 92 0.44 65
IV.CESX.HHZ. 2019-04-05T09:55:04.66 0.6 undecidable manual P 266 54.4011 92 -0.29 44
IV.TERO.HHZ. 2019-04-05T09:55:04.94 0.3 undecidable manual S 96 28.9488 95 -0.4 68
IV.OFFI.HHZ. 2019-04-05T09:55:04.54 0.6 undecidable manual P 48 47.619 92 0.64 41
IV.GUMA.HHZ. 2019-04-05T09:55:03.92 0.3 undecidable manual P 8 46.5201 92 0.19 69
IV.NRCA.HNZ. 2019-04-05T09:55:03.36 0.3 undecidable manual S 332 23.3544 97 -0.51 67
IV.MF5.EHZ. 2019-04-05T09:55:03.20 0.3 undecidable manual P 24 41.3253 93 0.26 69
IV.FIAM.HHZ. 2019-04-05T09:55:03.26 0.3 undecidable manual P 195 43.623 93 -0.03 71
IV.FDMO.HHZ. 2019-04-05T09:55:03.09 0.3 undecidable manual P 343 45.1215 92 -0.43 66
IV.CAMP.HHZ. 2019-04-05T09:55:02.46 0.3 undecidable manual S 134 17.9709 104 0.02 75
IV.ARRO.EHZ. 2019-04-05T09:55:02.59 0.1 undecidable manual P 259 40.3263 93 -0.2 93
IV.FEMA.HNZ. 2019-04-05T09:55:02.87 0.3 undecidable manual P 335 38.4282 93 0.37 67
IV.LNSS.HHZ. 2019-04-05T09:55:02.38 0.3 undecidable manual S 254 17.9709 104 -0.06 75
IV.MTRA.HNZ. 2019-04-05T09:55:01.69 0.3 undecidable manual S 45 16.872 106 -0.48 69
IV.RM33.HNZ. 2019-04-05T09:55:01.90 0.3 undecidable manual S 191 15.7731 109 0.02 75
IV.MC2.EHZ. 2019-04-05T09:55:01.03 0.1 undecidable manual P 350 29.6481 95 -0.11 97
IV.GIGS.HHZ. 2019-04-05T09:55:01.64 0.1 undecidable manual P 129 34.0437 94 -0.18 94
IV.TERO.HHZ. 2019-04-05T09:55:00.86 0.1 undecidable manual P 96 28.9488 95 -0.18 95
IV.GAVE.EHZ. 2019-04-05T09:55:00.93 0.1 undecidable manual P 280 29.5482 95 -0.19 95
IV.MMO1.EHZ. 2019-04-05T09:55:00.75 0.1 undecidable manual P 12 28.5492 95 -0.22 95
IV.T1299.EHZ. 2019-04-05T09:54:59.37 0.3 undecidable manual S 122 2.997 163 -0.1 77
IV.SMA1.EHZ. 2019-04-05T09:54:59.95 0.3 undecidable manual S 106 7.1928 141 -0.04 77
IV.LNSS.HHZ. 2019-04-05T09:54:59.33 0.1 undecidable manual P 254 17.9709 104 -0.03 100
IV.CAMP.HHZ. 2019-04-05T09:54:59.42 0.1 undecidable manual P 134 17.9709 104 0.06 99
IV.MTRA.HNZ. 2019-04-05T09:54:59.04 0.1 undecidable manual P 45 16.872 106 -0.16 98
IV.NRCA.HNZ. 2019-04-05T09:54:59.92 0.1 undecidable manual P 332 23.3544 97 -0.26 95
IV.RM33.HNZ. 2019-04-05T09:54:59.14 0.1 undecidable manual P 191 15.7731 109 0.11 99
IV.SMA1.EHZ. 2019-04-05T09:54:58.13 0.1 undecidable manual P 106 7.1928 141 0.18 98
IV.T1299.EHZ. 2019-04-05T09:54:57.78 0.1 undecidable manual P 122 2.997 163 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.4 0.001645 0.28 AML other m 2019-04-05T09:55:03.55
IV.NRCA.HNN. ML:2.4 0.0015249999999999999 0.28 AML other m 2019-04-05T09:55:03.56
IV.NRCA.HNE. ML:2.6 0.002472749 0.1408 AML other m 2019-04-05T09:55:03.54
IV.NRCA.HHE. ML:2.6 0.0027249999999999996 0.36 AML other m 2019-04-05T09:55:03.53
IV.TERO.HHN. ML:2.6 0.0020549999999999995 0.32 AML other m 2019-04-05T09:55:05.23
IV.TERO.HNN. ML:2.3 0.0009184999999999999 0.1 AML other m 2019-04-05T09:55:05.03
IV.TERO.HNE. ML:2.2 0.0007199999999999999 0.28 AML other m 2019-04-05T09:55:06.18
IV.TERO.HHE. ML:2.4 0.0011036861 0.1408 AML other m 2019-04-05T09:55:06.38
IV.GAVE.EHE. ML:2.6 0.0019165125000000002 1.744 AML other m 2019-04-05T09:55:08.96
IV.GAVE.HNE. ML:2.6 0.0019589505 1.744 AML other m 2019-04-05T09:55:08.96
IV.GAVE.EHN. ML:2.6 0.002045 0.4 AML other m 2019-04-05T09:55:08.47
IV.GAVE.HNN. ML:2.1 0.000623 0.4 AML other m 2019-04-05T09:55:08.47
IV.ARRO.EHN. ML:2.2 0.0005175 0.16 AML other m 2019-04-05T09:55:09.22
IV.MF5.EHN. ML:2.4 0.000822675 0.3008 AML other m 2019-04-05T09:55:10.46
IV.MF5.EHE. ML:2.4 0.0009059458000000001 0.3776 AML other m 2019-04-05T09:55:10.43
IV.ARRO.EHE. ML:2.1 0.0004254908 1.8208 AML other m 2019-04-05T09:55:10.98
IV.OFFI.HHN. ML:2.4 0.0007962237999999999 0.3968 AML other m 2019-04-05T09:55:13.45
IV.OFFI.HHE. ML:2.1 0.00032771724999999997 1.6992 AML other m 2019-04-05T09:55:13.12
IV.MNTT.EHE. ML:2.5 0.0007676061499999999 1.68 AML other m 2019-04-05T09:55:14.15
IV.VCEL.EHN. ML:2.4 0.0006238498 0.1792 AML other m 2019-04-05T09:55:15.27
IV.VCEL.EHE. ML:2.4 0.0006225 0.26 AML other m 2019-04-05T09:55:15.76
IV.MNTT.EHN. ML:2.4 0.0006335 0.72 AML other m 2019-04-05T09:55:16.58
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