Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 24-10-2018 and time 03:09:42 (Italy) in region 3 km NE Amatrice (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Amatrice (RI), on

  • 24-10-2018 01:09:42 (UTC)
  • 24-10-2018 03:09:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6460, 13.3140 at 8 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
Accumoli RI 8 667 3324
Campotosto AQ 11 542 3866
Cittareale RI 13 482 4348
Capitignano AQ 14 665 5013
Arquata del Tronto AP 14 1178 6191
Montereale AQ 15 2581 8772
Acquasanta Terme AP 16 2916 11688
Cortino TE 16 656 12344
Crognaleto TE 17 1297 13641
Rocca Santa Maria TE 18 537 14178
Valle Castellana TE 18 977 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
77 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
91 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 1.7 2018-10-24
01:09:42		 42.6465 13.3143 8 2019-06-04
09:16:12		 Bollettino Sismico Italiano INGV 67407591
Reviewed
Rev100 		ML 1.6 2018-10-24
01:09:42		 42.6458 13.3228 7 2018-10-24
01:14:40		 Sala Sismica INGV-Roma 62264281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-24 01:09:42 ± 0.05
Latitude 42.6465 ± 0.0027
Longitude 13.3143 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67407591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.62233
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 67407591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-09 14:43:26

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 62264281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-24 01:14:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2018-10-24T01:10:04.21 0.3 undecidable manual S 310 69.0753 50 0.68 57
IV.T0110.HHZ. 2018-10-24T01:10:01.87 1.0 undecidable manual S 141 59.7957 50 0.84 18
IV.CESI.HHZ. 2018-10-24T01:09:59.00 0.3 undecidable manual S 320 51.9036 50 0.07 69
IV.FDMO.HHZ. 2018-10-24T01:09:57.61 0.3 undecidable manual S 337 47.0196 50 -0.03 71
IV.MF5.EHZ. 2018-10-24T01:09:56.18 0.6 undecidable manual S 17 39.627 50 0.51 43
IV.ASSB.HHZ. 2018-10-24T01:09:54.32 0.1 undecidable manual P 310 69.0753 50 -0.12 89
IV.MC2.EHZ. 2018-10-24T01:09:53.33 0.3 undecidable manual S 341 31.1466 105 0.13 71
IV.GAVE.EHZ. 2018-10-24T01:09:53.79 0.1 undecidable manual S 279 34.6431 50 -0.54 86
IV.MMO1.EHZ. 2018-10-24T01:09:52.09 0.3 undecidable manual S 2 28.0497 107 -0.09 72
IV.T0110.HHZ. 2018-10-24T01:09:52.90 0.3 undecidable manual P 141 59.7957 50 -0.1 68
IV.GIGS.HHZ. 2018-10-24T01:09:52.22 0.3 undecidable manual S 135 30.1476 106 -0.64 62
IV.FAGN.HHZ. 2018-10-24T01:09:51.71 0.3 undecidable manual P 152 47.619 50 0.58 62
IV.NRCA.HHZ. 2018-10-24T01:09:51.58 0.3 undecidable manual S 322 26.3514 108 -0.05 73
IV.CESI.HHZ. 2018-10-24T01:09:51.60 0.1 negative manual P 320 51.9036 50 -0.19 90
IV.TERO.HHZ. 2018-10-24T01:09:50.72 0.1 undecidable manual S 96 23.754 109 -0.05 98
IV.ARRO.EHZ. 2018-10-24T01:09:50.72 0.1 undecidable manual P 261 45.4212 50 -0.07 94
IV.MF5.EHZ. 2018-10-24T01:09:50.17 0.1 undecidable manual P 17 39.627 50 0.27 91
IV.LNSS.HHZ. 2018-10-24T01:09:50.49 0.3 undecidable manual S 258 22.8549 110 0.01 74
IV.FIAM.HHZ. 2018-10-24T01:09:50.44 0.3 undecidable manual P 201 45.0216 50 -0.28 67
IV.FDMO.HHZ. 2018-10-24T01:09:50.85 0.1 undecidable manual P 337 47.0196 50 -0.19 91
IV.RM33.EHZ. 2018-10-24T01:09:49.03 0.1 undecidable manual S 208 17.2716 116 0.34 93
IV.GAVE.EHZ. 2018-10-24T01:09:48.81 0.1 negative manual P 279 34.6431 50 -0.32 91
IV.MC2.EHZ. 2018-10-24T01:09:48.37 0.3 undecidable manual P 341 31.1466 105 -0.1 72
IV.NRCA.HHZ. 2018-10-24T01:09:47.50 0.1 undecidable manual P 322 26.3514 108 -0.07 97
IV.MMO1.EHZ. 2018-10-24T01:09:47.79 0.1 positive manual P 2 28.0497 107 -0.1 96
IV.MTRA.EHZ. 2018-10-24T01:09:47.71 0.1 undecidable manual S 29 13.9749 121 0.05 99
IV.TERO.HHZ. 2018-10-24T01:09:47.08 0.1 positive manual P 96 23.754 109 0.01 98
IV.GIGS.HHZ. 2018-10-24T01:09:47.88 0.1 undecidable manual P 135 30.1476 106 -0.4 90
IV.CAMP.HHZ. 2018-10-24T01:09:47.96 0.3 undecidable manual S 148 14.4744 120 0.13 73
IV.LNSS.HHZ. 2018-10-24T01:09:47.19 0.3 undecidable manual P 258 22.8549 110 0.28 70
IV.RM33.EHZ. 2018-10-24T01:09:46.16 0.1 positive manual P 208 17.2716 116 0.29 94
IV.CAMP.HHZ. 2018-10-24T01:09:45.59 0.1 undecidable manual P 148 14.4744 120 0.21 96
IV.MTRA.EHZ. 2018-10-24T01:09:45.44 0.1 positive manual P 29 13.9749 121 0.16 97
IV.SMA1.EHZ. 2018-10-24T01:09:44.71 0.3 undecidable manual S 136 2.4975 164 -0.34 72
IV.SMA1.EHZ. 2018-10-24T01:09:43.88 0.1 undecidable manual P 136 2.4975 164 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.9 0.0009400000000000001 0.38 AML other m 2018-10-24T01:09:47.97
IV.MTRA.EHN. ML:2.0 0.0010105 0.38 AML other m 2018-10-24T01:09:47.98
IV.MTRA.HNE. ML:2.0 0.0010295 0.96 AML other m 2018-10-24T01:09:47.96
IV.MTRA.EHE. ML:2.0 0.0009835 0.94 AML other m 2018-10-24T01:09:47.96
IV.RM33.HNE. ML:1.7 0.000483 0.56 AML other m 2018-10-24T01:09:50.11
IV.RM33.EHE. ML:1.7 0.0004235 0.44 AML other m 2018-10-24T01:09:50.17
IV.CAMP.HHE. ML:1.2 0.0001725 1.04 AML other m 2018-10-24T01:09:50.53
IV.TERO.HNN. ML:1.8 0.00035850000000000004 1.74 AML other m 2018-10-24T01:09:50.93
IV.TERO.HHN. ML:2.0 0.000731 1.76 AML other m 2018-10-24T01:09:50.93
IV.TERO.HNE. ML:1.5 0.00021949999999999997 1.14 AML other m 2018-10-24T01:09:51.61
IV.TERO.HHE. ML:1.9 0.00047 1.6 AML other m 2018-10-24T01:09:51.85
IV.RM33.HNN. ML:1.8 0.0005145 0.5 AML other m 2018-10-24T01:09:51.24
IV.RM33.EHN. ML:1.7 0.000489 0.52 AML other m 2018-10-24T01:09:51.24
IV.NRCA.HHN. ML:1.8 0.0003485 0.12 AML other m 2018-10-24T01:09:52.31
IV.CAMP.HHN. ML:1.3 0.0002 0.58 AML other m 2018-10-24T01:09:52.01
IV.NRCA.HHE. ML:2.0 0.0006450000000000001 0.14 AML other m 2018-10-24T01:09:52.64
IV.GIGS.HHE. ML:1.0 0.00005165 0.98 AML other m 2018-10-24T01:09:53.35
IV.GAVE.EHN. ML:2.0 0.000374 0.58 AML other m 2018-10-24T01:09:54.55
IV.GAVE.EHE. ML:1.8 0.00026700000000000004 1.34 AML other m 2018-10-24T01:09:55.90
IV.MF5.EHE. ML:1.7 0.0001795 0.4 AML other m 2018-10-24T01:09:57.04
IV.MF5.EHN. ML:1.8 0.00021200000000000003 1.4 AML other m 2018-10-24T01:09:57.11
IV.FDMO.HHN. ML:1.4 0.00007300000000000001 0.54 AML other m 2018-10-24T01:09:57.70
IV.GIGS.HHN. ML:0.8 0.00002785 0.64 AML other m 2018-10-24T01:09:58.72
IV.FIAM.HHN. ML:1.4 0.0000713 1.3 AML other m 2018-10-24T01:09:59.21
IV.CESI.HHN. ML:1.9 0.0001795 0.38 AML other m 2018-10-24T01:09:59.82
IV.ARRO.EHE. ML:1.3 0.000059999999999999995 0.22 AML other m 2018-10-24T01:10:00.14
IV.CESI.HHE. ML:1.5 0.00007719999999999999 0.44 AML other m 2018-10-24T01:10:00.29
IV.FDMO.HHE. ML:1.3 0.0000589 0.68 AML other m 2018-10-24T01:10:01.39
IV.FIAM.HHE. ML:1.3 0.00006565 0.82 AML other m 2018-10-24T01:10:01.41
IV.FAGN.HHN. ML:1.6 0.00010445 0.76 AML other m 2018-10-24T01:10:01.39
IV.ASSB.HHN. ML:1.5 0.000047600000000000005 1.34 AML other m 2018-10-24T01:10:06.89
IV.FAGN.HHE. ML:1.6 0.0001225 1.4 AML other m 2018-10-24T01:10:06.03
IV.ASSB.HHE. ML:1.4 0.000039599999999999994 0.44 AML other m 2018-10-24T01:10:06.96
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