Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 25-10-2018 and time 00:09:21 (UTC) in region 3 km SE Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Amatrice (RI), on

  • 25-10-2018 00:09:21 (UTC)
  • 25-10-2018 02:09:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6060, 13.3060 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
Capitignano AQ 10 665 3864
Montereale AQ 10 2581 6445
Accumoli RI 11 667 7112
Cittareale RI 12 482 7594
Crognaleto TE 16 1297 8891
Cortino TE 17 656 9547
Barete AQ 17 737 10284
Cagnano Amiterno AQ 18 1369 11653
Borbona RI 18 617 12270
Arquata del Tronto AP 19 1178 13448
Pizzoli AQ 19 4326 17774
Posta RI 19 694 18468
Fano Adriano TE 20 296 18764

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 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 2.0 2018-10-25
00:09:21		 42.6063 13.3055 12 2019-06-04
09:16:18		 Bollettino Sismico Italiano INGV 68840911
Reviewed
Rev100 		ML 2.0 2018-10-25
00:09:21		 42.6107 13.3025 12 2018-10-25
04:05:38		 Sala Sismica INGV-Roma 62290641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-25 00:09:21 ± 0.08
Latitude 42.6063 ± 0.0045
Longitude 13.3055 ± 0.0073
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 68840911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 591
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.92990
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 68840911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-24 07:37:42

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 62290641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-25 04:05:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2018-10-25T00:09:39.89 0.6 undecidable manual S 137 56.8986 91 0.79 37
IV.MGAB.HHZ. 2018-10-25T00:09:39.29 0.3 undecidable manual P 290 102.9192 91 0.54 57
IV.CESI.HHZ. 2018-10-25T00:09:38.82 0.6 undecidable manual S 324 55.0005 91 0.23 45
IV.ARVD.HHZ. 2018-10-25T00:09:38.88 0.3 undecidable manual P 344 103.2189 91 0.09 64
IV.VCEL.EHZ. 2018-10-25T00:09:38.19 0.6 undecidable manual S 118 49.7169 92 1.01 34
IV.LPEL.HHZ. 2018-10-25T00:09:37.48 0.3 undecidable manual P 130 95.0382 91 -0.05 65
IV.FDMO.HHZ. 2018-10-25T00:09:37.50 0.6 undecidable manual S 340 50.9157 92 -0.01 46
IV.INTR.HHZ. 2018-10-25T00:09:35.04 0.3 undecidable manual P 143 82.251 91 -0.52 60
IV.FIAM.HHZ. 2018-10-25T00:09:34.80 0.6 undecidable manual S 202 40.5261 92 0.05 47
IV.TRTR.HHZ. 2018-10-25T00:09:32.17 0.3 undecidable manual P 65 54.4011 91 0.9 55
IV.CESI.HHZ. 2018-10-25T00:09:31.16 0.1 undecidable manual P 324 55.0005 91 -0.19 90
IV.T0110.HHZ. 2018-10-25T00:09:31.50 0.1 undecidable manual P 137 56.8986 91 -0.15 91
IV.NRCA.HHZ. 2018-10-25T00:09:31.45 0.6 undecidable manual S 328 29.6481 94 -0.39 45
IV.CESX.HHZ. 2018-10-25T00:09:31.80 0.1 undecidable manual P 270 58.6968 91 -0.13 91
IV.FDMO.HHZ. 2018-10-25T00:09:30.45 0.1 undecidable manual P 340 50.9157 92 -0.28 88
IV.GIGS.HHZ. 2018-10-25T00:09:30.75 0.6 undecidable manual S 128 27.6501 94 -0.57 44
IV.VCEL.EHZ. 2018-10-25T00:09:30.54 0.1 undecidable manual P 118 49.7169 92 0 95
IV.OFFI.HHZ. 2018-10-25T00:09:30.89 0.3 undecidable manual P 40 47.8188 92 0.63 62
IV.LNSS.HHZ. 2018-10-25T00:09:29.80 0.6 undecidable manual S 269 21.6672 97 0.09 49
IV.FIAM.HHZ. 2018-10-25T00:09:29.04 0.1 undecidable manual P 202 40.5261 92 -0.09 95
IV.FAGN.HHZ. 2018-10-25T00:09:29.57 0.3 undecidable manual P 149 44.1225 92 -0.11 71
IV.TERO.HHZ. 2018-10-25T00:09:29.84 0.6 undecidable manual S 86 24.4533 95 -0.61 42
IV.RM33.HNZ. 2018-10-25T00:09:27.65 0.6 undecidable manual S 215 13.0758 114 0.15 48
IV.NRCA.HHZ. 2018-10-25T00:09:27.24 0.1 undecidable manual P 328 29.6481 94 -0.21 93
IV.TERO.HHZ. 2018-10-25T00:09:26.31 0.1 undecidable manual P 86 24.4533 95 -0.34 92
IV.CAMP.HHZ. 2018-10-25T00:09:26.99 0.6 undecidable manual S 133 11.4774 121 -0.14 50
IV.LNSS.HHZ. 2018-10-25T00:09:26.28 0.1 positive manual P 269 21.6672 97 0.05 99
IV.GIGS.HHZ. 2018-10-25T00:09:26.81 0.1 undecidable manual P 128 27.6501 94 -0.34 92
IV.SMA1.EHZ. 2018-10-25T00:09:25.80 0.6 undecidable manual S 42 3.5964 159 0.04 51
IV.T1299.HNN. 2018-10-25T00:09:25.79 0.3 undecidable manual S 329 3.5964 159 0.03 76
IV.RM33.HNZ. 2018-10-25T00:09:25.16 0.1 undecidable manual P 215 13.0758 114 0.21 96
IV.SMA1.EHZ. 2018-10-25T00:09:24.06 0.1 undecidable manual P 42 3.5964 159 0.12 100
IV.T1299.HNN. 2018-10-25T00:09:24.12 0.1 undecidable manual P 329 3.5964 159 0.18 99
IV.CAMP.HHZ. 2018-10-25T00:09:24.81 0.1 undecidable manual P 133 11.4774 121 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.3 0.0029850000000000002 0.5 AML other m 2018-10-25T00:09:26.31
IV.SMA1.EHN. ML:2.1 0.0017349999999999998 0.22 AML other m 2018-10-25T00:09:26.29
IV.CAMP.HHN. ML:2.1 0.001295 0.2 AML other m 2018-10-25T00:09:27.21
IV.CAMP.HHE. ML:1.9 0.0008585 0.34 AML other m 2018-10-25T00:09:27.10
IV.RM33.HNE. ML:2.3 0.00175 0.24 AML other m 2018-10-25T00:09:27.94
IV.RM33.EHE. ML:2.2 0.0017000000000000001 0.24 AML other m 2018-10-25T00:09:27.94
IV.RM33.HNN. ML:2.4 0.0024249999999999996 0.32 AML other m 2018-10-25T00:09:27.99
IV.RM33.EHN. ML:2.4 0.0024649999999999997 0.32 AML other m 2018-10-25T00:09:27.99
IV.TERO.HHN. ML:2.1 0.0008449999999999999 1.76 AML other m 2018-10-25T00:09:29.89
IV.LNSS.HHE. ML:2.1 0.0008280000000000001 1.7 AML other m 2018-10-25T00:09:30.96
IV.LNSS.HHN. ML:2.3 0.00123 0.78 AML other m 2018-10-25T00:09:30.07
IV.TERO.HNE. ML:2.0 0.000566 0.12 AML other m 2018-10-25T00:09:30.93
IV.TERO.HHE. ML:2.2 0.0009945000000000002 1.22 AML other m 2018-10-25T00:09:30.93
IV.TERO.HNN. ML:1.9 0.0004445 1.86 AML other m 2018-10-25T00:09:31.04
IV.GIGS.HHN. ML:1.4 0.00011449999999999999 0.5 AML other m 2018-10-25T00:09:31.04
IV.GIGS.HHE. ML:1.4 0.0001245 1.24 AML other m 2018-10-25T00:09:31.30
IV.NRCA.HHE. ML:2.7 0.002215 0.1 AML other m 2018-10-25T00:09:31.79
IV.NRCA.HNE. ML:2.6 0.001955 0.1 AML other m 2018-10-25T00:09:31.79
IV.NRCA.HHN. ML:2.4 0.00138 1.18 AML other m 2018-10-25T00:09:32.24
IV.NRCA.HNN. ML:2.4 0.0013700000000000001 1.18 AML other m 2018-10-25T00:09:32.84
IV.GAVE.EHN. ML:2.2 0.0007 0.92 AML other m 2018-10-25T00:09:33.85
IV.GAVE.EHE. ML:2.3 0.0007685 0.6 AML other m 2018-10-25T00:09:33.38
IV.FIAM.HHE. ML:1.8 0.00022999999999999998 0.66 AML other m 2018-10-25T00:09:35.21
IV.FIAM.HHN. ML:1.5 0.00010164999999999999 0.94 AML other m 2018-10-25T00:09:36.93
IV.FAGN.HHN. ML:2.0 0.000282 0.34 AML other m 2018-10-25T00:09:38.28
IV.FDMO.HHN. ML:1.7 0.000118 1.44 AML other m 2018-10-25T00:09:39.93
IV.VCEL.EHN. ML:2.2 0.0004505 0.38 AML other m 2018-10-25T00:09:39.64
IV.FAGN.HHE. ML:1.8 0.000202 0.44 AML other m 2018-10-25T00:09:39.69
IV.VCEL.EHE. ML:2.3 0.0004985 0.4 AML other m 2018-10-25T00:09:40.24
IV.CESI.HHN. ML:2.0 0.0002135 0.84 AML other m 2018-10-25T00:09:40.20
IV.FDMO.HHE. ML:1.7 0.0001126 0.38 AML other m 2018-10-25T00:09:40.92
IV.T0110.HHN. ML:1.9 0.0001635 1.32 AML other m 2018-10-25T00:09:41.04
IV.T0110.HHE. ML:1.9 0.000169 0.46 AML other m 2018-10-25T00:09:41.46
IV.CESI.HHE. ML:1.8 0.000158 0.2 AML other m 2018-10-25T00:09:41.69
IV.CESX.HHE. ML:1.6 0.00008235000000000001 0.68 AML other m 2018-10-25T00:09:45.89
IV.CESX.HHN. ML:1.6 0.00008425 0.46 AML other m 2018-10-25T00:09:46.38
IV.LPEL.HHE. ML:1.7 0.00005105 1.06 AML other m 2018-10-25T00:09:51.91
IV.INTR.HHN. ML:1.8 0.00008135000000000001 1.02 AML other m 2018-10-25T00:09:55.70
IV.INTR.HHE. ML:1.5 0.000040900000000000005 0.6 AML other m 2018-10-25T00:09:56.01
IV.LPEL.HHN. ML:1.6 0.0000452 0.64 AML other m 2018-10-25T00:09:57.45
IV.MGAB.HHE. ML:1.9 0.0000741 0.54 AML other m 2018-10-25T00:09:57.89
IV.MGAB.HHN. ML:1.9 0.0000692 0.44 AML other m 2018-10-25T00:10:00.27
IV.ARVD.HHN. ML:1.4 0.00002435 1.54 AML other m 2018-10-25T00:10:01.12
IV.ARVD.HHE. ML:1.4 0.0000263 1.04 AML other m 2018-10-25T00:10:03.97
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