Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 05-04-2019 and time 14:47:02 (Italy) in region 4 km NW Amatrice (RI)

A magnitude ML 2.1 earthquake occured in region: 4 km NW Amatrice (RI), on

  • 05-04-2019 12:47:02 (UTC)
  • 05-04-2019 14:47:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6490, 13.2520 at 13 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
Acquasanta Terme AP 19 2916 12305
Posta RI 19 694 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)
81 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 2.1 2019-04-05
12:47:02		 42.6488 13.2518 13 2019-08-22
08:24:55		 Bollettino Sismico Italiano INGV 67368211
Reviewed
Rev100 		ML 2.0 2019-04-05
12:47:02		 42.6507 13.2503 11 2019-04-05
13:08:29		 Sala Sismica INGV-Roma 67276221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-05 12:47:02 ± 0.05
Latitude 42.6488 ± 0.0027
Longitude 13.2518 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67368211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
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) 59
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 41
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) 0.68888
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
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 67368211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-08 08:35:28

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 67276221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-05 13:08:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2019-04-05T12:47:20.70 0.6 undecidable manual S 287 58.1973 92 0.4 43
IV.CESX.HHZ. 2019-04-05T12:47:19.60 0.6 undecidable manual S 266 54.501 93 0.29 44
IV.CESI.HNZ. 2019-04-05T12:47:17.91 0.3 undecidable manual S 325 48.618 93 0.17 69
IV.MF5.EHZ. 2019-04-05T12:47:16.40 0.6 undecidable manual S 24 41.2254 94 0.61 41
IV.FIAM.HHZ. 2019-04-05T12:47:16.69 0.6 undecidable manual S 195 43.623 93 0.26 45
IV.FDMO.HHZ. 2019-04-05T12:47:16.75 0.3 undecidable manual S 343 45.0216 93 -0.05 70
IV.ARRO.EHZ. 2019-04-05T12:47:15.71 0.6 undecidable manual S 259 40.4262 94 0.14 47
IV.EL6.EHZ. 2019-04-05T12:47:15.82 0.1 undecidable manual P 351 76.4679 92 0.3 84
IV.GIGS.HHZ. 2019-04-05T12:47:13.71 0.3 undecidable manual S 129 34.0437 95 -0.16 71
IV.TERO.HHZ. 2019-04-05T12:47:12.18 0.1 undecidable manual S 96 28.8489 97 -0.32 92
IV.GAVE.EHZ. 2019-04-05T12:47:12.52 0.1 undecidable manual S 279 29.5482 96 -0.17 94
IV.MOMA.HHZ. 2019-04-05T12:47:12.88 0.3 undecidable manual P 287 58.1973 92 0.18 67
IV.OFFI.HHZ. 2019-04-05T12:47:12.00 0.3 undecidable manual P 48 47.5191 93 0.95 53
IV.MC2.EHZ. 2019-04-05T12:47:12.85 0.1 undecidable manual S 350 29.5482 96 0.16 95
IV.MMO1.EHZ. 2019-04-05T12:47:12.16 0.3 undecidable manual S 12 28.4493 97 -0.23 70
IV.CESX.HHZ. 2019-04-05T12:47:11.98 0.1 undecidable manual P 266 54.501 93 -0.15 90
IV.CESI.HNZ. 2019-04-05T12:47:11.15 0.3 undecidable manual P 325 48.618 93 -0.07 70
IV.GUMA.HHZ. 2019-04-05T12:47:11.19 0.3 undecidable manual P 8 46.4202 93 0.3 67
IV.FIAM.HHZ. 2019-04-05T12:47:10.47 0.1 undecidable manual P 195 43.623 93 0 95
IV.CSP1.EHZ. 2019-04-05T12:47:10.16 3.0 undecidable manual P 0
IV.FDMO.HHZ. 2019-04-05T12:47:10.43 0.3 undecidable manual P 343 45.0216 93 -0.25 68
IV.NRCA.HHZ. 2019-04-05T12:47:10.51 0.3 undecidable manual S 331 23.3544 100 -0.53 66
IV.MF5.EHZ. 2019-04-05T12:47:10.29 0.1 undecidable manual P 24 41.2254 94 0.2 92
IV.LNSS.HHZ. 2019-04-05T12:47:09.57 0.3 undecidable manual S 254 17.9709 107 -0.08 73
IV.CAMP.HHZ. 2019-04-05T12:47:09.77 0.3 undecidable manual S 134 17.9709 107 0.13 73
IV.ARRO.EHZ. 2019-04-05T12:47:09.80 0.1 undecidable manual P 259 40.4262 94 -0.17 92
IV.RM33.EHZ. 2019-04-05T12:47:09.09 0.3 undecidable manual S 191 15.7731 112 -0.01 75
IV.MC2.EHZ. 2019-04-05T12:47:08.22 0.1 undecidable manual P 350 29.5482 96 -0.08 96
IV.MMO1.EHZ. 2019-04-05T12:47:08.05 0.1 positive manual P 12 28.4493 97 -0.08 96
IV.GIGS.HHZ. 2019-04-05T12:47:08.89 0.1 undecidable manual P 129 34.0437 95 -0.09 95
IV.TERO.HHZ. 2019-04-05T12:47:08.07 0.1 undecidable manual P 96 28.8489 97 -0.12 96
IV.MTRA.EHZ. 2019-04-05T12:47:08.92 0.1 undecidable manual S 45 16.7721 110 -0.43 92
IV.GAVE.EHZ. 2019-04-05T12:47:08.16 0.1 positive manual P 279 29.5482 96 -0.14 95
IV.NRCA.HHZ. 2019-04-05T12:47:07.16 0.1 undecidable manual P 331 23.3544 100 -0.19 95
IV.SMA1.EHZ. 2019-04-05T12:47:07.26 0.3 undecidable manual S 107 7.0929 143 0.01 76
IV.MTRA.EHZ. 2019-04-05T12:47:06.27 0.1 undecidable manual P 45 16.7721 110 -0.1 98
IV.T1299.EHE. 2019-04-05T12:47:06.57 0.3 undecidable manual S 123 2.997 164 -0.19 74
IV.RM33.EHZ. 2019-04-05T12:47:06.38 0.1 undecidable manual P 191 15.7731 112 0.15 97
IV.LNSS.HHZ. 2019-04-05T12:47:06.59 0.1 positive manual P 254 17.9709 107 0.04 99
IV.CAMP.HHZ. 2019-04-05T12:47:06.62 0.1 undecidable manual P 134 17.9709 107 0.08 98
IV.T1299.EHE. 2019-04-05T12:47:05.00 0.1 undecidable manual P 123 2.997 164 0.12 100
IV.SMA1.EHZ. 2019-04-05T12:47:05.36 0.1 negative manual P 107 7.0929 143 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:2.3 0.0015550000000000002 1.26 AML other m 2019-04-05T12:47:09.88
IV.MTRA.HNN. ML:2.3 0.001715 0.14 AML other m 2019-04-05T12:47:09.33
IV.MTRA.EHN. ML:2.3 0.0016400000000000002 0.14 AML other m 2019-04-05T12:47:09.33
IV.MTRA.HNE. ML:2.3 0.00147 0.6 AML other m 2019-04-05T12:47:09.88
IV.LNSS.HNN. ML:2.1 0.0009305888 0.3776 AML other m 2019-04-05T12:47:09.70
IV.LNSS.HHN. ML:2.1 0.000953 0.36 AML other m 2019-04-05T12:47:09.70
IV.LNSS.HNE. ML:2.2 0.0013215395 0.1408 AML other m 2019-04-05T12:47:09.81
IV.LNSS.HHE. ML:2.3 0.0014199999999999998 0.14 AML other m 2019-04-05T12:47:09.81
IV.RM33.HNN. ML:2.0 0.0007804999999999999 0.94 AML other m 2019-04-05T12:47:09.46
IV.RM33.HNE. ML:2.1 0.0009575 0.64 AML other m 2019-04-05T12:47:09.61
IV.RM33.EHE. ML:2.0 0.000879 0.64 AML other m 2019-04-05T12:47:09.62
IV.RM33.EHN. ML:2.0 0.000819 0.96 AML other m 2019-04-05T12:47:09.46
IV.NRCA.HHN. ML:2.1 0.0007835000000000001 0.12 AML other m 2019-04-05T12:47:10.72
IV.NRCA.HHE. ML:2.4 0.0014199999999999998 0.16 AML other m 2019-04-05T12:47:10.76
IV.TERO.HHN. ML:2.2 0.0007205 0.32 AML other m 2019-04-05T12:47:12.26
IV.TERO.HNN. ML:1.8 0.000319 0.34 AML other m 2019-04-05T12:47:12.26
IV.TERO.HHE. ML:1.9 0.00036850000000000007 0.18 AML other m 2019-04-05T12:47:12.26
IV.GAVE.EHE. ML:2.0 0.0004545 0.2 AML other m 2019-04-05T12:47:13.13
IV.GAVE.EHN. ML:1.9 0.0004075 0.68 AML other m 2019-04-05T12:47:13.77
IV.TERO.HNE. ML:1.6 0.000177 0.9 AML other m 2019-04-05T12:47:14.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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