Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 17-02-2018 and time 13:48:03 (Italy) in region 3 km SE Amatrice (RI)

A magnitude ML 2.5 earthquake occured in region: 3 km SE Amatrice (RI), on

  • 17-02-2018 12:48:03 (UTC)
  • 17-02-2018 13:48:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6160, 13.3180 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 3 2657 2657
Campotosto AQ 8 542 3199
Accumoli RI 11 667 3866
Capitignano AQ 11 665 4531
Montereale AQ 12 2581 7112
Cittareale RI 13 482 7594
Crognaleto TE 15 1297 8891
Cortino TE 16 656 9547
Arquata del Tronto AP 18 1178 10725
Barete AQ 19 737 11462
Acquasanta Terme AP 19 2916 14378
Rocca Santa Maria TE 19 537 14915
Borbona RI 19 617 15532
Cagnano Amiterno AQ 19 1369 16901
Fano Adriano TE 19 296 17197
Valle Castellana TE 20 977 18174
Pizzoli AQ 20 4326 22500

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
93 Km SE of Perugia (166134 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 2.5 2018-02-17
12:48:03		 42.6162 13.3183 12 2019-04-24
14:49:39		 Bollettino Sismico Italiano INGV 58832821
Reviewed
Rev100 		ML 2.5 2018-02-17
12:48:03		 42.6248 13.3285 13 2018-02-17
13:05:32		 Sala Sismica INGV-Roma 53971371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-17 12:48:03 ± 0.07
Latitude 42.6162 ± 0.0036
Longitude 13.3183 ± 0.0061
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 58832821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 62
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93350
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 49
Type of magnitude ML
Reference to an origin 58832821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-17 10:02:07

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 53971371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-17 13:05:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BLLA.EHZ. 2018-02-17T12:48:52.09 3.0 undecidable manual Sn -0.48 0
IV.PP3.EHZ. 2018-02-17T12:48:30.72 3.0 undecidable manual S -0.31 0
IV.SNTG.HHZ. 2018-02-17T12:48:27.83 0.3 undecidable manual S 337 77.2671 91 0.78 53
IV.MGAB.HHZ. 2018-02-17T12:48:22.01 0.1 undecidable manual P 289 103.6185 91 0.65 71
IV.PF6.EHZ. 2018-02-17T12:48:22.61 0.3 undecidable manual S 350 58.7967 92 0.49 62
IV.CSP1.EHZ. 2018-02-17T12:48:21.07 0.3 undecidable manual S 350 53.6019 92 0.34 65
IV.RCAV.EHZ. 2018-02-17T12:48:21.95 0.1 undecidable manual P 200 90.6426 91 2.59 17
IV.CESI.HHZ. 2018-02-17T12:48:21.24 0.3 undecidable manual S 322 54.7008 92 0.2 66
IV.OFFI.HHZ. 2018-02-17T12:48:20.62 0.3 undecidable manual S 40 46.3203 92 1.82 32
IV.MURB.HHZ. 2018-02-17T12:48:20.38 0.1 undecidable manual P 318 96.4257 91 0.12 83
IV.GUMA.HHZ. 2018-02-17T12:48:20.37 0.3 undecidable manual S 2 49.5171 92 0.71 58
IV.VVLD.HHZ. 2018-02-17T12:48:20.56 3.0 undecidable manual P 1.5 0
IV.VCEL.EHZ. 2018-02-17T12:48:20.48 0.3 undecidable manual S 120 49.3173 92 0.89 55
IV.T1221.EHZ. 2018-02-17T12:48:19.08 0.6 undecidable manual S 0.17 46
IV.MF5.EHZ. 2018-02-17T12:48:18.41 0.1 undecidable manual S 16 42.8238 92 0.55 84
IV.ATCC.EHE. 2018-02-17T12:48:18.43 0.3 undecidable manual P 319 83.8494 91 0.12 64
IV.MTCE.HHZ. 2018-02-17T12:48:18.48 1.0 undecidable manual P 216 81.0522 91 0.6 19
IV.CERT.HHZ. 2018-02-17T12:48:17.44 0.1 undecidable manual P 201 78.9654 91 -0.12 86
IV.EL6.EHZ. 2018-02-17T12:48:17.73 0.1 undecidable manual P 348 81.0522 91 -0.15 86
IV.FIAM.HHZ. 2018-02-17T12:48:17.76 0.1 undecidable manual S 203 42.0246 92 0.12 93
IV.INTR.HHZ. 2018-02-17T12:48:17.56 0.1 undecidable manual P 144 82.5507 91 -0.55 76
IV.PTQR.HHZ. 2018-02-17T12:48:17.25 1.0 undecidable manual P 174 66.2781 91 1.64 12
IV.SNTG.HHZ. 2018-02-17T12:48:16.97 0.1 undecidable manual P 337 77.2671 91 -0.33 83
IV.MOMA.HHZ. 2018-02-17T12:48:15.20 0.1 undecidable manual P 289 64.491 91 -0.13 89
IV.MC2.EHZ. 2018-02-17T12:48:15.57 0.1 undecidable manual S 342 34.4433 93 -0.05 96
OB.GAVE.EHZ. 2018-02-17T12:48:15.61 0.6 undecidable manual S -0.39 45
IV.MMO1.EHZ. 2018-02-17T12:48:14.44 0.1 undecidable manual S 1 31.4463 94 -0.39 90
IV.TRTR.HHZ. 2018-02-17T12:48:14.53 0.1 undecidable manual P 66 53.0025 92 0.97 70
IV.PF6.EHZ. 2018-02-17T12:48:14.08 0.1 undecidable manual P 350 58.7967 92 -0.37 85
IV.CESX.HHZ. 2018-02-17T12:48:14.39 0.1 positive manual P 269 59.6958 91 -0.21 88
IV.CSP1.EHZ. 2018-02-17T12:48:13.34 0.1 negative manual P 350 53.6019 92 -0.31 87
IV.CESI.HHZ. 2018-02-17T12:48:13.56 0.1 positive manual P 322 54.7008 92 -0.27 88
IV.OFFI.HHZ. 2018-02-17T12:48:13.10 0.1 undecidable manual P 40 46.3203 92 0.57 83
IV.GIGS.HHZ. 2018-02-17T12:48:13.32 0.1 undecidable manual S 131 27.5502 95 -0.48 86
IV.GUMA.HHZ. 2018-02-17T12:48:13.08 0.1 undecidable manual P 2 49.5171 92 0.05 93
IV.NRCA.HNZ. 2018-02-17T12:48:13.78 0.1 undecidable manual S 325 29.2485 94 -0.48 89
IV.T1221.EHZ. 2018-02-17T12:48:12.45 0.6 positive manual P -0.1 47
IV.VCEL.EHZ. 2018-02-17T12:48:12.94 0.1 positive manual P 120 49.3173 92 -0.05 92
IV.LNSS.HHZ. 2018-02-17T12:48:12.54 0.1 undecidable manual S 266 22.755 97 0.02 97
IV.FAGN.HHZ. 2018-02-17T12:48:12.41 0.1 undecidable manual P 151 44.5221 92 0.15 92
IV.MF5.EHZ. 2018-02-17T12:48:12.13 0.1 undecidable manual P 16 42.8238 92 0.14 92
IV.ARRO.EHZ. 2018-02-17T12:48:12.22 0.1 positive manual P 265 45.3213 92 -0.16 92
IV.TERO.HHZ. 2018-02-17T12:48:11.94 0.1 undecidable manual S 88 23.3544 97 -0.73 79
IV.FIAM.HHZ. 2018-02-17T12:48:11.77 0.1 positive manual P 203 42.0246 92 -0.1 93
IV.T1214.EHZ. 2018-02-17T12:48:11.11 0.6 undecidable manual S -0.03 50
IV.T1247.HHZ. 2018-02-17T12:48:11.70 0.6 undecidable manual S -0.12 49
OB.GAVE.EHZ. 2018-02-17T12:48:10.74 0.1 positive manual P -0.13 95
IV.MTRA.HNZ. 2018-02-17T12:48:10.25 0.1 undecidable manual S 22 16.872 105 -0.72 82
IV.RM33.EHZ. 2018-02-17T12:48:10.52 0.1 undecidable manual S 216 14.5743 111 0.12 97
IV.MC2.EHZ. 2018-02-17T12:48:10.48 0.1 negative manual P 342 34.4433 93 -0.22 92
IV.GIGS.HHZ. 2018-02-17T12:48:09.32 0.1 positive manual P 131 27.5502 95 -0.32 90
IV.NRCA.HNZ. 2018-02-17T12:48:09.63 0.1 undecidable manual P 325 29.2485 94 -0.28 92
IV.MMO1.EHZ. 2018-02-17T12:48:09.92 0.1 negative manual P 1 31.4463 94 -0.32 91
IV.CAMP.HHZ. 2018-02-17T12:48:09.61 0.1 undecidable manual S 140 11.5773 122 -0.07 98
IV.T1214.EHZ. 2018-02-17T12:48:08.17 0.1 negative manual P 0.11 98
IV.T1247.HHZ. 2018-02-17T12:48:08.58 0.1 positive manual P 0.12 98
IV.SMA1.EHZ. 2018-02-17T12:48:08.04 0.1 undecidable manual S 41 2.0979 168 -0.16 98
IV.TERO.HHZ. 2018-02-17T12:48:08.63 0.1 positive manual P 88 23.3544 97 -0.37 90
IV.T1299.EHZ. 2018-02-17T12:48:08.39 0.1 undecidable manual S 304 3.5964 159 0.08 99
IV.LNSS.HHZ. 2018-02-17T12:48:08.95 0.1 positive manual P 266 22.755 97 0.04 97
IV.CAMP.HHZ. 2018-02-17T12:48:07.37 0.1 positive manual P 140 11.5773 122 0.1 99
IV.MTRA.HNZ. 2018-02-17T12:48:07.70 0.1 negative manual P 22 16.872 105 -0.31 93
IV.RM33.EHZ. 2018-02-17T12:48:07.89 0.1 positive manual P 216 14.5743 111 0.2 95
IV.T1299.EHZ. 2018-02-17T12:48:06.65 0.1 negative manual P 304 3.5964 159 0.17 98
IV.SMA1.EHZ. 2018-02-17T12:48:06.50 0.1 negative manual P 41 2.0979 168 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.6 0.00597 0.46 AML other m 2018-02-17T12:48:08.11
IV.T1299.HNN. ML:2.7 0.006925 0.6 AML other m 2018-02-17T12:48:08.83
IV.T1299.EHN. ML:2.6 0.006475 0.5 AML other m 2018-02-17T12:48:08.59
IV.T1299.HNE. ML:2.8 0.008525 0.44 AML other m 2018-02-17T12:48:08.59
IV.T1299.EHE. ML:2.8 0.008385 0.44 AML other m 2018-02-17T12:48:08.59
IV.CAMP.HHN. ML:2.5 0.003245 0.2 AML other m 2018-02-17T12:48:09.78
IV.CAMP.HHE. ML:2.4 0.0029100000000000003 0.42 AML other m 2018-02-17T12:48:09.68
IV.MTRA.HNN. ML:2.9 0.00643 0.48 AML other m 2018-02-17T12:48:10.32
IV.MTRA.EHN. ML:2.9 0.006199999999999999 0.5 AML other m 2018-02-17T12:48:10.32
IV.RM33.HNN. ML:2.8 0.0055899999999999995 0.26 AML other m 2018-02-17T12:48:10.93
IV.RM33.EHN. ML:2.8 0.0056500000000000005 0.12 AML other m 2018-02-17T12:48:10.93
IV.MTRA.HNE. ML:2.8 0.00534 1.58 AML other m 2018-02-17T12:48:11.83
IV.MTRA.EHE. ML:2.8 0.00525 1.58 AML other m 2018-02-17T12:48:11.83
IV.T1214.HNE. ML:2.5 0.0024699999999999995 0.36 AML other m 2018-02-17T12:48:11.35
IV.T1214.EHE. ML:2.5 0.0023200000000000004 0.36 AML other m 2018-02-17T12:48:11.35
IV.RM33.HNE. ML:2.7 0.004494999999999999 0.92 AML other m 2018-02-17T12:48:11.45
IV.RM33.EHE. ML:2.7 0.0044800000000000005 0.3 AML other m 2018-02-17T12:48:11.45
IV.TERO.HNN. ML:1.9 0.0005348721999999999 0.4736 AML other m 2018-02-17T12:48:12.31
IV.TERO.HHN. ML:2.5 0.00183 0.28 AML other m 2018-02-17T12:48:12.08
IV.T1247.HHN. ML:6.8 1765 0.36 AML other m 2018-02-17T12:48:12.13
IV.TERO.HHE. ML:2.6 0.00263 0.18 AML other m 2018-02-17T12:48:12.14
IV.TERO.HNE. ML:2.3 0.00131 0.2 AML other m 2018-02-17T12:48:12.16
IV.LNSS.HHE. ML:2.5 0.00198 0.16 AML other m 2018-02-17T12:48:12.80
IV.LNSS.HHN. ML:2.6 0.0023599999999999997 0.12 AML other m 2018-02-17T12:48:12.90
IV.T1214.HNN. ML:2.3 0.0014249999999999998 0.36 AML other m 2018-02-17T12:48:12.78
IV.T1214.EHN. ML:2.3 0.0014049999999999998 0.38 AML other m 2018-02-17T12:48:12.78
IV.T1247.HHE. ML:6.8 1340 0.16 AML other m 2018-02-17T12:48:13.19
IV.GIGS.HHN. ML:1.9 0.00041349999999999997 0.56 AML other m 2018-02-17T12:48:13.78
IV.GIGS.HHE. ML:2.0 0.0005875 0.3 AML other m 2018-02-17T12:48:13.83
IV.NRCA.HHN. ML:2.5 0.0014299999999999998 0.14 AML other m 2018-02-17T12:48:14.17
IV.NRCA.HNN. ML:2.4 0.001335 0.16 AML other m 2018-02-17T12:48:14.18
IV.NRCA.HNE. ML:2.7 0.00225 0.72 AML other m 2018-02-17T12:48:14.07
IV.NRCA.HHE. ML:2.7 0.0023599999999999997 0.72 AML other m 2018-02-17T12:48:14.07
OB.GAVE.HNN. ML:2.0 0.000375 1 AML other m 2018-02-17T12:48:16.63
OB.GAVE.EHE. ML:2.5 0.0012000000000000001 0.76 AML other m 2018-02-17T12:48:16.12
OB.GAVE.HNE. ML:2.5 0.00122 0.76 AML other m 2018-02-17T12:48:16.12
OB.GAVE.EHN. ML:2.4 0.0009170000000000001 0.18 AML other m 2018-02-17T12:48:16.54
IV.FIAM.HHE. ML:2.3 0.0006080000000000001 0.66 AML other m 2018-02-17T12:48:18.15
IV.MF5.EHN. ML:2.5 0.0010609999999999999 0.38 AML other m 2018-02-17T12:48:18.99
IV.FIAM.HHN. ML:2.0 0.00029749999999999997 1.46 AML other m 2018-02-17T12:48:19.78
IV.MF5.EHE. ML:2.4 0.0007365 1.26 AML other m 2018-02-17T12:48:19.34
IV.CESI.HHN. ML:2.3 0.0004654452999999999 0.3584 AML other m 2018-02-17T12:48:22.20
IV.CESI.HHE. ML:2.2 0.00036291264999999996 0.4352 AML other m 2018-02-17T12:48:22.04
IV.T0110.HHN. ML:2.4 0.00060495865 0.3392 AML other m 2018-02-17T12:48:23.39
IV.T0110.HHE. ML:2.6 0.00094 0.52 AML other m 2018-02-17T12:48:23.59
IV.PF6.EHE. ML:2.0 0.00020750000000000003 0.38 AML other m 2018-02-17T12:48:24.35
IV.SNTG.HHE. ML:1.6 0.000060312685 0.1824 AML other m 2018-02-17T12:48:29.33
IV.SNTG.HHN. ML:1.7 0.00007065000000000001 0.38 AML other m 2018-02-17T12:48:30.65
IV.PP3.EHE. ML:2.5 0.00041400000000000003 1.56 AML other m 2018-02-17T12:48:34.04
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