Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 09-04-2019 and time 03:59:00 (Italy) in region 5 km N Accumoli (RI)

A magnitude ML 2.1 earthquake occured in region: 5 km N Accumoli (RI), on

  • 09-04-2019 01:59:00 (UTC)
  • 09-04-2019 03:59:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 13.2420 at 10 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
Accumoli RI 5 667 667
Arquata del Tronto AP 6 1178 1845
Amatrice RI 13 2657 4502
Norcia PG 13 4957 9459
Montegallo AP 13 523 9982
Acquasanta Terme AP 14 2916 12898
Cittareale RI 15 482 13380
Castelsantangelo sul Nera MC 18 281 13661
Montemonaco AP 19 604 14265
Cascia PG 19 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
53 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
88 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
100 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 2019-04-09
01:59:00		 42.7435 13.2423 10 2019-08-22
08:25:00		 Bollettino Sismico Italiano INGV 68990151
Reviewed
Rev100 		ML 2.0 2019-04-09
01:59:00		 42.7518 13.2498 11 2019-04-09
02:10:23		 Sala Sismica INGV-Roma 67392801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-09 01:59:00 ± 0.05
Latitude 42.7435 ± 0.0027
Longitude 13.2423 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68990151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 429
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94519
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 68990151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-29 13:39:29

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 67392801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-09 02:10:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HNZ. 2019-04-09T02:00:34.49 3.0 undecidable manual Sn -3.84 0
IV.MRVN.HHZ. 2019-04-09T02:00:07.38 3.0 undecidable manual Sg -1.61 0
IT.FAZ.HGZ. 2019-04-09T02:00:07.32 3.0 undecidable manual Sg 10.45 0
IV.HAGA.HHZ. 2019-04-09T02:00:07.58 3.0 undecidable manual Pn -3.4 0
NI.VINO.HHZ. 2019-04-09T02:00:05.39 3.0 negative manual Pg 11.9 0
IV.MTGR.HHZ. 2019-04-09T02:00:01.33 3.0 positive manual Pg 2.27 0
IV.CET2.HHZ. 2019-04-09T01:59:48.62 3.0 undecidable manual Pg 1.19 0
MN.TRI.HHZ. 2019-04-09T01:59:45.74 3.0 positive manual Pn -0.79 0
IV.FRON.EHZ. 2019-04-09T01:59:29.18 0.3 undecidable manual S 334 95.5377 50 0.47 59
IV.SSFR.HHZ. 2019-04-09T01:59:26.36 0.3 undecidable manual S 334 85.4478 50 0.35 62
IV.FOSV.EHZ. 2019-04-09T01:59:23.17 0.6 undecidable manual S 328 72.5718 50 0.59 40
IV.ATCC.EHZ. 2019-04-09T01:59:22.69 0.6 undecidable manual S 315 69.1752 50 1 33
IV.EL6.EHZ. 2019-04-09T01:59:21.39 0.1 undecidable manual S 350 65.9895 50 0.56 81
IV.VCEL.EHZ. 2019-04-09T01:59:20.74 0.6 undecidable manual S 128 62.3931 50 0.88 36
IV.SNTG.HHZ. 2019-04-09T01:59:20.00 0.6 undecidable manual S 337 61.7937 50 0.29 44
IV.PIEI.HHZ. 2019-04-09T01:59:18.08 0.1 undecidable manual P 327 104.9172 50 -0.13 83
IV.ASSB.HHZ. 2019-04-09T01:59:18.75 0.6 undecidable manual S 305 57.8976 50 0.09 46
IV.FIAM.HHZ. 2019-04-09T01:59:17.68 0.6 undecidable manual S 191 53.7018 50 0.12 46
IV.FRON.EHZ. 2019-04-09T01:59:16.67 0.1 undecidable manual P 334 95.5377 50 -0.1 85
IV.ARVD.HHZ. 2019-04-09T01:59:15.44 0.1 undecidable manual P 344 87.1461 50 -0.04 88
IV.ATFO.HHZ. 2019-04-09T01:59:15.39 0.1 undecidable manual P 322 87.9453 50 -0.21 85
IV.SSFR.HHZ. 2019-04-09T01:59:15.06 0.1 undecidable manual P 334 85.4478 50 -0.15 86
IV.MURB.HHZ. 2019-04-09T01:59:14.69 0.1 undecidable manual P 315 81.9513 50 0.02 89
IV.ARRO.EHZ. 2019-04-09T01:59:14.35 0.6 undecidable manual S 245 42.9237 50 -0.33 45
IV.GUMA.HHZ. 2019-04-09T01:59:13.19 0.6 undecidable manual S 12 36.2415 50 0.31 46
IV.CESI.HHZ. 2019-04-09T01:59:13.32 0.6 undecidable manual S 317 39.9267 50 -0.55 43
IV.ATCC.EHZ. 2019-04-09T01:59:12.67 0.1 undecidable manual P 315 69.1752 50 -0.05 91
IV.MF5.EHZ. 2019-04-09T01:59:12.25 0.6 undecidable manual S 33 32.3454 50 0.4 45
IV.FOSV.EHZ. 2019-04-09T01:59:12.91 1.0 undecidable manual P 328 72.5718 50 -0.32 21
IV.EL6.EHZ. 2019-04-09T01:59:11.88 0.1 undecidable manual P 350 65.9895 50 -0.34 86
IV.SNTG.HHZ. 2019-04-09T01:59:11.16 3.0 undecidable manual P 337 61.7937 50 -0.41 0
IV.VCEL.EHZ. 2019-04-09T01:59:11.90 0.1 undecidable manual P 128 62.3931 50 0.24 88
IV.TRTR.HHZ. 2019-04-09T01:59:11.54 0.1 undecidable manual P 82 55.1004 50 0.99 69
IV.FDMO.HHZ. 2019-04-09T01:59:11.83 0.3 undecidable manual S 339 34.8429 50 -0.69 61
IV.TERO.HHZ. 2019-04-09T01:59:11.24 0.3 undecidable manual S 114 32.3454 50 -0.62 63
IV.ASSB.HHZ. 2019-04-09T01:59:10.77 0.3 undecidable manual P 305 57.8976 50 -0.2 67
IV.CAMP.HHZ. 2019-04-09T01:59:10.06 0.3 undecidable manual S 149 26.751 110 -0.27 70
IV.RM33.EHZ. 2019-04-09T01:59:10.39 0.1 undecidable manual S 185 26.1516 110 0.27 94
IV.FIAM.HHZ. 2019-04-09T01:59:10.16 0.1 undecidable manual P 191 53.7018 50 -0.17 91
IV.LNSS.HHZ. 2019-04-09T01:59:09.26 0.1 undecidable manual S 227 22.6551 113 0.24 95
IV.MNTT.EHZ. 2019-04-09T01:59:09.57 3.0 undecidable manual P -0.9 0
IV.OFFI.HHZ. 2019-04-09T01:59:09.07 0.3 undecidable manual P 59 41.8248 50 0.57 63
IV.ARRO.EHZ. 2019-04-09T01:59:08.76 0.3 undecidable manual P 245 42.9237 50 0.09 71
IV.SAP2.EHZ. 2019-04-09T01:59:08.59 3.0 negative manual P -1.38 0
IV.GIGS.HHZ. 2019-04-09T01:59:07.99 0.1 undecidable manual P 140 42.0246 50 -0.53 86
IV.MF5.EHZ. 2019-04-09T01:59:07.00 0.1 undecidable manual P 33 32.3454 50 -0.04 97
IV.MMO1.EHZ. 2019-04-09T01:59:07.40 0.6 undecidable manual S 22 18.5703 118 -0.34 47
IV.GUMA.HHZ. 2019-04-09T01:59:07.50 0.1 undecidable manual P 12 36.2415 50 -0.13 95
IV.MC2.EHZ. 2019-04-09T01:59:07.87 0.1 undecidable manual S 347 19.1697 117 -0.03 100
IV.CESI.HHZ. 2019-04-09T01:59:07.88 0.1 undecidable manual P 317 39.9267 50 -0.32 91
IV.NRCA.HNZ. 2019-04-09T01:59:06.43 0.1 undecidable manual S 314 14.4744 124 -0.06 100
IV.FDMO.HHZ. 2019-04-09T01:59:06.90 0.1 undecidable manual P 339 34.8429 50 -0.52 87
IV.TERO.HHZ. 2019-04-09T01:59:06.58 0.1 undecidable manual P 114 32.3454 50 -0.46 89
IV.SMA1.EHZ. 2019-04-09T01:59:06.59 0.6 undecidable manual S 149 14.6742 124 0.04 50
IT.MTCL.HGZ. 2019-04-09T01:59:06.92 3.0 undecidable manual P -0.18 0
IV.RM33.EHZ. 2019-04-09T01:59:06.01 0.1 positive manual P 185 26.1516 110 -0.03 99
IV.LNSS.HHZ. 2019-04-09T01:59:05.57 0.1 undecidable manual P 227 22.6551 113 0.17 96
IV.CAMP.HHZ. 2019-04-09T01:59:05.98 0.1 positive manual P 149 26.751 110 -0.18 95
IV.MTRA.HNZ. 2019-04-09T01:59:05.96 0.3 undecidable manual S 83 12.6762 128 -0.03 76
IV.MC2.EHZ. 2019-04-09T01:59:04.77 0.1 undecidable manual P 347 19.1697 117 0.02 100
IV.NRCA.HNZ. 2019-04-09T01:59:04.11 0.1 undecidable manual P 314 14.4744 124 0.17 98
IV.SMA1.EHZ. 2019-04-09T01:59:04.26 0.1 undecidable manual P 149 14.6742 124 0.28 95
IV.MMO1.EHZ. 2019-04-09T01:59:04.55 0.1 undecidable manual P 22 18.5703 118 -0.11 98
IV.MTRA.HNZ. 2019-04-09T01:59:03.78 0.1 undecidable manual P 83 12.6762 128 0.13 99
IV.GIUL.HHZ. 2019-04-09T01:59:01.09 3.0 negative manual P -6.57 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:3.2 0.016300000000000002 0.06 AML other m 2019-04-09T01:59:06.55
IV.NRCA.HHE. ML:3.2 0.01675 0.06 AML other m 2019-04-09T01:59:06.58
IV.NRCA.HHN. ML:3.0 0.010960000000000001 0.08 AML other m 2019-04-09T01:59:06.55
IV.NRCA.HNN. ML:2.9 0.008964999999999999 0.1 AML other m 2019-04-09T01:59:06.55
IV.MTRA.HNN. ML:2.2 0.0017050000000000001 0.46 AML other m 2019-04-09T01:59:06.75
IV.MTRA.EHN. ML:2.2 0.00165 0.48 AML other m 2019-04-09T01:59:06.76
IV.MTRA.HNE. ML:2.4 0.0024649999999999997 1.82 AML other m 2019-04-09T01:59:06.93
IV.MTRA.EHE. ML:2.4 0.00249 1.84 AML other m 2019-04-09T01:59:06.94
IV.SMA1.EHN. ML:2.1 0.00127 0.12 AML other m 2019-04-09T01:59:07.20
IV.SMA1.EHE. ML:2.2 0.001665 0.54 AML other m 2019-04-09T01:59:08.03
IV.LNSS.HHE. ML:2.4 0.00148 0.28 AML other m 2019-04-09T01:59:09.81
IV.LNSS.HNE. ML:2.4 0.0014500000000000001 0.3 AML other m 2019-04-09T01:59:09.81
IV.LNSS.HHN. ML:2.2 0.001175 0.64 AML other m 2019-04-09T01:59:09.54
IV.LNSS.HNN. ML:2.2 0.00113 0.64 AML other m 2019-04-09T01:59:09.55
IV.CAMP.HHE. ML:2.2 0.00087 0.26 AML other m 2019-04-09T01:59:10.35
IV.CAMP.HHN. ML:2.0 0.000493 0.22 AML other m 2019-04-09T01:59:10.36
IV.RM33.HNN. ML:2.2 0.001035 0.24 AML other m 2019-04-09T01:59:10.52
IV.RM33.EHN. ML:2.2 0.001026 0.24 AML other m 2019-04-09T01:59:10.52
IV.RM33.EHE. ML:2.0 0.0005600000000000001 1.42 AML other m 2019-04-09T01:59:11.91
IV.TERO.HHN. ML:2.1 0.000585 0.52 AML other m 2019-04-09T01:59:11.74
IV.TERO.HNN. ML:1.8 0.000295 0.98 AML other m 2019-04-09T01:59:11.48
IV.MF5.EHN. ML:2.0 0.000522 0.84 AML other m 2019-04-09T01:59:12.04
IV.TERO.HNE. ML:1.7 0.00022150000000000002 1.12 AML other m 2019-04-09T01:59:12.10
IV.RM33.HNE. ML:2.0 0.0005985000000000001 0.98 AML other m 2019-04-09T01:59:12.26
IV.TERO.HHE. ML:2.0 0.0004 0.38 AML other m 2019-04-09T01:59:13.03
IV.MF5.EHE. ML:2.0 0.0005185 0.58 AML other m 2019-04-09T01:59:13.29
IV.GUMA.HHN. ML:2.8 0.00279 0.3 AML other m 2019-04-09T01:59:13.57
IV.GUMA.HHE. ML:2.8 0.002585 0.3 AML other m 2019-04-09T01:59:13.48
IV.CESI.HHE. ML:2.2 0.000643 0.18 AML other m 2019-04-09T01:59:13.87
IV.FDMO.HHN. ML:2.0 0.00039549999999999996 1.12 AML other m 2019-04-09T01:59:13.30
IV.CESI.HHN. ML:2.3 0.0007295 1.34 AML other m 2019-04-09T01:59:13.22
IV.FDMO.HHE. ML:1.9 0.000333 0.64 AML other m 2019-04-09T01:59:14.73
IV.GIGS.HHN. ML:1.5 0.0001086 0.1 AML other m 2019-04-09T01:59:14.73
IV.ARRO.EHE. ML:1.7 0.0001595 0.22 AML other m 2019-04-09T01:59:15.57
IV.GIGS.HHE. ML:1.5 0.00011199999999999998 0.54 AML other m 2019-04-09T01:59:15.99
IV.SAP2.EHN. ML:2.8 0.0021799999999999996 0.86 AML other m 2019-04-09T01:59:16.14
IV.ARRO.EHN. ML:1.6 0.00011649999999999999 0.46 AML other m 2019-04-09T01:59:16.55
IV.OFFI.HHN. ML:2.2 0.0005620000000000001 0.48 AML other m 2019-04-09T01:59:16.69
IV.MNTT.EHE. ML:2.3 0.0005729999999999999 1.52 AML other m 2019-04-09T01:59:18.17
IV.SAP2.EHE. ML:2.2 0.0005185 1.56 AML other m 2019-04-09T01:59:18.99
IV.MNTT.EHN. ML:2.4 0.0007225 0.3 AML other m 2019-04-09T01:59:20.72
IV.OFFI.HHE. ML:1.7 0.000162 0.54 AML other m 2019-04-09T01:59:20.69
IV.ASSB.HHE. ML:1.9 0.000189 1.2 AML other m 2019-04-09T01:59:20.16
IV.SNTG.HHN. ML:1.7 0.000093 0.8 AML other m 2019-04-09T01:59:20.97
IV.ASSB.HHN. ML:1.8 0.00013900000000000002 0.3 AML other m 2019-04-09T01:59:21.44
IV.SNTG.HHE. ML:1.6 0.00008075 1.08 AML other m 2019-04-09T01:59:21.60
IV.VCEL.EHN. ML:2.3 0.00036350000000000005 0.16 AML other m 2019-04-09T01:59:21.78
IV.VCEL.EHE. ML:2.1 0.0002615 0.82 AML other m 2019-04-09T01:59:22.50
IV.EL6.EHE. ML:2.0 0.0001955 0.48 AML other m 2019-04-09T01:59:22.94
IV.FOSV.EHE. ML:1.8 0.00010625 0.74 AML other m 2019-04-09T01:59:23.34
IV.EL6.EHN. ML:2.0 0.000184 1.08 AML other m 2019-04-09T01:59:24.72
IV.FOSV.EHN. ML:1.8 0.00010885 0.28 AML other m 2019-04-09T01:59:24.25
IV.ATCC.EHE. ML:1.9 0.00013800000000000002 0.8 AML other m 2019-04-09T01:59:25.14
IV.ATCC.EHN. ML:1.8 0.000112 1.18 AML other m 2019-04-09T01:59:25.66
IV.SSFR.HHE. ML:2.2 0.0001995 0.24 AML other m 2019-04-09T01:59:27.58
IV.SSFR.HHN. ML:2.2 0.0001815 0.22 AML other m 2019-04-09T01:59:27.91
IV.MURB.HHE. ML:2.2 0.0002055 0.22 AML other m 2019-04-09T01:59:29.59
IV.ARVD.HHE. ML:1.6 0.00004755 0.72 AML other m 2019-04-09T01:59:29.53
IV.FRON.EHN. ML:1.8 0.00007324999999999999 1.24 AML other m 2019-04-09T01:59:30.14
IV.ARVD.HHN. ML:1.5 0.00003795 0.42 AML other m 2019-04-09T01:59:30.40
IV.FRON.EHE. ML:1.7 0.00005555 0.26 AML other m 2019-04-09T01:59:30.27
IV.MURB.HHN. ML:2.1 0.0001545 0.24 AML other m 2019-04-09T01:59:32.37
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