Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 26-05-2018 and time 23:57:28 (Italy) in region 4 km E Amatrice (RI)

A magnitude ML 2.3 earthquake occured in region: 4 km E Amatrice (RI), on

  • 26-05-2018 21:57:28 (UTC)
  • 26-05-2018 23:57:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6140, 13.3360 at 7 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
Campotosto AQ 7 542 3199
Capitignano AQ 11 665 3864
Accumoli RI 12 667 4531
Montereale AQ 12 2581 7112
Crognaleto TE 14 1297 8409
Cortino TE 14 656 9065
Cittareale RI 14 482 9547
Rocca Santa Maria TE 18 537 10084
Fano Adriano TE 18 296 10380
Arquata del Tronto AP 18 1178 11558
Acquasanta Terme AP 18 2916 14474
Barete AQ 19 737 15211
Valle Castellana TE 19 977 16188
Cagnano Amiterno AQ 19 1369 17557
Pizzoli AQ 20 4326 21883

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
74 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
95 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 2.3 2018-05-26
21:57:28		 42.6143 13.3358 7 2019-04-24
14:50:49		 Bollettino Sismico Italiano INGV 59092601
Reviewed
Rev100 		ML 2.3 2018-05-26
21:57:28		 42.6162 13.3398 7 2018-05-26
22:03:53		 Sala Sismica INGV-Roma 57261451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-26 21:57:28 ± 0.05
Latitude 42.6143 ± 0.0027
Longitude 13.3358 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59092601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 135
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) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 70
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00724
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 59092601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-26 11:14:06

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 57261451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-26 22:03:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2018-05-26T21:58:10.86 3.0 undecidable manual S 0.67 0
IV.ARVD.HHZ. 2018-05-26T21:58:00.32 0.3 undecidable manual S 342 103.119 50 0.7 52
IV.SNTG.HHZ. 2018-05-26T21:57:53.65 0.6 undecidable manual S 336 77.9664 50 0.74 36
IV.INTR.HHZ. 2018-05-26T21:57:53.87 0.6 undecidable manual S 145 81.5517 50 0.01 44
IV.MOMA.HHZ. 2018-05-26T21:57:49.97 3.0 undecidable manual S 289 65.8896 50 0.29 0
IV.CESX.HHZ. 2018-05-26T21:57:49.19 0.6 undecidable manual S 270 61.1943 50 0.77 37
IV.ARVD.HHZ. 2018-05-26T21:57:47.34 0.1 undecidable manual P 342 103.119 50 0.76 68
IV.FRON.EHZ. 2018-05-26T21:57:47.98 0.1 undecidable manual P 334 111.7992 50 0.06 82
IV.MGAB.HHZ. 2018-05-26T21:57:47.18 0.1 undecidable manual P 289 105.0171 50 0.3 79
IV.T0110.HHZ. 2018-05-26T21:57:47.15 3.0 undecidable manual S 140 55.8996 50 0.14 0
IV.T1220.EHZ. 2018-05-26T21:57:47.95 3.0 undecidable manual S 340 58.5969 50 0.23 0
IV.CESI.HHZ. 2018-05-26T21:57:46.97 0.6 undecidable manual S 321 55.7997 50 -0.01 46
IV.CSP1.EHZ. 2018-05-26T21:57:46.61 3.0 undecidable manual S 349 54.0015 50 0.09 0
IV.GUMA.HHZ. 2018-05-26T21:57:45.96 0.6 undecidable manual S 360 49.7169 50 0.59 40
IV.FDMO.HHZ. 2018-05-26T21:57:45.77 3.0 undecidable manual S 337 51.0156 50 0.06 0
IV.VCEL.EHZ. 2018-05-26T21:57:45.40 0.6 undecidable manual S 120 47.9187 50 0.51 42
IV.ARRO.EHZ. 2018-05-26T21:57:45.20 0.3 undecidable manual S 265 46.7199 50 0.64 60
IV.MF5.EHZ. 2018-05-26T21:57:44.16 0.3 undecidable manual S 14 42.624 50 0.68 59
IV.OFFI.HHZ. 2018-05-26T21:57:44.50 0.3 undecidable manual S 39 45.5211 50 0.25 67
IV.FAGN.HHZ. 2018-05-26T21:57:44.08 0.6 undecidable manual S 152 43.623 50 0.33 44
IV.FOSV.EHZ. 2018-05-26T21:57:44.12 0.1 undecidable manual P 328 88.7445 50 -0.26 82
IV.T1221.EHZ. 2018-05-26T21:57:44.99 0.6 undecidable manual S 305 48.3183 50 0.01 47
IV.EL6.EHZ. 2018-05-26T21:57:43.09 0.1 undecidable manual P 347 81.5517 50 -0.17 85
IV.FIAM.HHZ. 2018-05-26T21:57:43.23 0.6 undecidable manual S 205 42.4242 50 -0.18 46
IV.CING.HHZ. 2018-05-26T21:57:43.87 0.1 undecidable manual P 352 85.248 50 0.04 86
IV.INTR.HHZ. 2018-05-26T21:57:42.79 0.1 undecidable manual P 145 81.5517 50 -0.47 79
IV.SNTG.HHZ. 2018-05-26T21:57:42.54 0.1 undecidable manual P 336 77.9664 50 -0.18 85
IV.MC2.EHZ. 2018-05-26T21:57:41.43 0.6 undecidable manual S 340 35.0427 102 0.21 46
IV.MOMA.HHZ. 2018-05-26T21:57:40.58 0.1 undecidable manual P 289 65.8896 50 -0.27 86
IV.PTQR.HHZ. 2018-05-26T21:57:40.42 0.1 undecidable manual P 175 65.8896 50 -0.43 83
IV.NRCA.HHZ. 2018-05-26T21:57:39.48 0.3 undecidable manual S 323 30.2475 103 -0.12 71
IV.T0110.HHZ. 2018-05-26T21:57:39.16 0.1 undecidable manual P 140 55.8996 50 -0.15 89
IV.CESX.HHZ. 2018-05-26T21:57:39.57 0.1 undecidable manual P 270 61.1943 50 -0.55 80
IV.T1220.EHZ. 2018-05-26T21:57:39.43 0.1 undecidable manual P 340 58.5969 50 -0.29 86
IV.MMO1.EHZ. 2018-05-26T21:57:39.83 0.1 undecidable manual S 359 31.6461 103 -0.22 92
IV.TRTR.HHZ. 2018-05-26T21:57:39.09 0.3 undecidable manual P 65 51.8037 50 0.42 64
IV.CSP1.EHZ. 2018-05-26T21:57:38.52 0.1 undecidable manual P 349 54.0015 50 -0.5 83
IV.GUMA.HHZ. 2018-05-26T21:57:38.09 0.1 undecidable manual P 360 49.7169 50 -0.27 88
IV.FDMO.HHZ. 2018-05-26T21:57:38.15 0.1 undecidable manual P 337 51.0156 50 -0.41 85
IV.CESI.HHZ. 2018-05-26T21:57:38.99 0.1 undecidable manual P 321 55.7997 50 -0.3 87
IV.OFFI.HHZ. 2018-05-26T21:57:38.03 0.1 undecidable manual P 39 45.5211 50 0.31 88
IV.VCEL.EHZ. 2018-05-26T21:57:38.53 0.1 undecidable manual P 120 47.9187 50 0.45 85
IV.ARRO.EHZ. 2018-05-26T21:57:37.44 0.1 undecidable manual P 265 46.7199 50 -0.46 85
IV.T1221.EHZ. 2018-05-26T21:57:37.71 0.1 undecidable manual P 305 48.3183 50 -0.43 85
IV.FEMA.HNE. 2018-05-26T21:57:37.56 0.1 undecidable manual P 329 45.0216 50 -0.08 92
IV.MF5.EHZ. 2018-05-26T21:57:37.28 0.1 undecidable manual P 14 42.624 50 0.01 94
IV.LNSS.HHZ. 2018-05-26T21:57:37.86 0.6 undecidable manual S 267 24.1536 107 0.31 46
IV.GIGS.HHZ. 2018-05-26T21:57:37.57 0.1 undecidable manual S 133 26.3514 105 -0.7 81
IV.FAGN.HHZ. 2018-05-26T21:57:37.37 0.1 undecidable manual P 152 43.623 50 -0.06 93
IV.T1247.HHZ. 2018-05-26T21:57:36.31 0.1 undecidable manual S 189 19.3695 111 0.33 92
IV.TERO.HHZ. 2018-05-26T21:57:36.81 0.1 undecidable manual S 87 21.867 108 0.02 98
IV.FIAM.HHZ. 2018-05-26T21:57:36.76 0.1 undecidable manual P 205 42.4242 50 -0.47 86
IV.MC2.EHZ. 2018-05-26T21:57:35.71 0.1 undecidable manual P 340 35.0427 102 -0.25 91
OB.GAVE.EHZ. 2018-05-26T21:57:35.89 3.0 positive manual P -0.1 0
IV.RM33.HNZ. 2018-05-26T21:57:35.09 0.1 undecidable manual S 220 15.3735 115 0.42 91
IV.MMO1.EHZ. 2018-05-26T21:57:35.23 0.1 undecidable manual P 359 31.6461 103 -0.06 95
IV.MTRA.HNZ. 2018-05-26T21:57:35.08 0.3 undecidable manual S 17 16.5723 114 0.02 74
IV.GIGS.HHZ. 2018-05-26T21:57:34.00 0.1 undecidable manual P 133 26.3514 105 -0.27 92
IV.NRCA.HHZ. 2018-05-26T21:57:34.80 0.1 undecidable manual P 323 30.2475 103 -0.23 92
IV.LNSS.HHZ. 2018-05-26T21:57:33.71 0.1 undecidable manual P 267 24.1536 107 -0.14 95
IV.CAMP.HHZ. 2018-05-26T21:57:33.36 0.1 undecidable manual S 146 10.5783 125 0.12 97
IV.T1247.HHZ. 2018-05-26T21:57:33.17 0.1 positive manual P 189 19.3695 111 0.23 94
IV.TERO.HHZ. 2018-05-26T21:57:33.49 0.1 undecidable manual P 87 21.867 108 0.08 96
IV.RM33.HNZ. 2018-05-26T21:57:32.49 0.1 positive manual P 220 15.3735 115 0.3 93
IV.MTRA.HNZ. 2018-05-26T21:57:32.55 0.1 undecidable manual P 17 16.5723 114 0.14 96
IV.T1299.HNZ. 2018-05-26T21:57:31.80 0.1 undecidable manual S 297 4.8951 146 -0.04 100
IV.CAMP.HHZ. 2018-05-26T21:57:31.62 0.1 positive manual P 146 10.5783 125 0.26 95
IV.SMA1.EHZ. 2018-05-26T21:57:31.25 0.1 undecidable manual S 358 1.7982 166 -0.14 98
IV.SMA1.EHZ. 2018-05-26T21:57:30.52 0.1 positive manual P 358 1.7982 166 0.23 97
IV.T1299.HNZ. 2018-05-26T21:57:30.84 0.1 positive manual P 297 4.8951 146 0.3 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:2.2 0.00209 0.56 AML other m 2018-05-26T21:57:33.81
IV.CAMP.HHE. ML:2.3 0.0027750000000000006 0.66 AML other m 2018-05-26T21:57:33.61
IV.MTRA.EHN. ML:2.4 0.0022400000000000002 0.72 AML other m 2018-05-26T21:57:35.57
IV.MTRA.HNN. ML:2.4 0.002245 0.72 AML other m 2018-05-26T21:57:35.57
IV.RM33.HNE. ML:2.5 0.003225 1.06 AML other m 2018-05-26T21:57:35.35
IV.RM33.EHE. ML:2.5 0.0032750000000000006 1.06 AML other m 2018-05-26T21:57:35.35
IV.MTRA.HNE. ML:2.4 0.002445 0.62 AML other m 2018-05-26T21:57:37.35
IV.MTRA.EHE. ML:2.4 0.0025150000000000003 0.64 AML other m 2018-05-26T21:57:37.36
IV.TERO.HNN. ML:2.4 0.001835 0.18 AML other m 2018-05-26T21:57:37.18
IV.TERO.HHN. ML:2.8 0.005485 0.18 AML other m 2018-05-26T21:57:37.27
IV.TERO.HNE. ML:2.3 0.0015049999999999998 0.2 AML other m 2018-05-26T21:57:37.21
IV.TERO.HHE. ML:2.8 0.004585 0.24 AML other m 2018-05-26T21:57:37.21
IV.RM33.HNN. ML:2.4 0.002875 0.6 AML other m 2018-05-26T21:57:37.81
IV.RM33.EHN. ML:2.4 0.002915 0.58 AML other m 2018-05-26T21:57:37.81
IV.GIGS.HHE. ML:1.9 0.00049 0.66 AML other m 2018-05-26T21:57:38.38
IV.GIGS.HHN. ML:1.9 0.00042500000000000003 0.6 AML other m 2018-05-26T21:57:39.00
IV.NRCA.HNN. ML:2.2 0.000882 0.1 AML other m 2018-05-26T21:57:39.94
IV.NRCA.HHN. ML:2.3 0.001007 0.1 AML other m 2018-05-26T21:57:39.94
IV.LNSS.HHN. ML:2.2 0.0010165 0.68 AML other m 2018-05-26T21:57:40.46
IV.NRCA.HHE. ML:2.4 0.001175 0.48 AML other m 2018-05-26T21:57:40.25
IV.NRCA.HNE. ML:2.3 0.001073 0.5 AML other m 2018-05-26T21:57:40.25
IV.LNSS.HHE. ML:2.3 0.001185 0.34 AML other m 2018-05-26T21:57:41.66
IV.MF5.EHN. ML:2.4 0.0008554999999999999 1.56 AML other m 2018-05-26T21:57:44.94
OB.GAVE.EHN. ML:2.2 0.0006425000000000001 1.5 AML other m 2018-05-26T21:57:44.97
IV.MF5.EHE. ML:2.4 0.0008489999999999999 1.54 AML other m 2018-05-26T21:57:45.94
OB.GAVE.EHE. ML:2.2 0.0006929999999999999 0.44 AML other m 2018-05-26T21:57:45.62
IV.VCEL.EHN. ML:2.6 0.00108 0.78 AML other m 2018-05-26T21:57:46.55
IV.VCEL.EHE. ML:2.6 0.0010125 1.48 AML other m 2018-05-26T21:57:46.82
IV.ARRO.EHN. ML:1.8 0.000202 0.88 AML other m 2018-05-26T21:57:46.92
IV.OFFI.HHN. ML:2.8 0.0019399999999999999 0.48 AML other m 2018-05-26T21:57:46.96
IV.FAGN.HHN. ML:2.5 0.0010335000000000001 0.3 AML other m 2018-05-26T21:57:46.83
IV.ARRO.EHE. ML:1.7 0.00015350000000000002 0.94 AML other m 2018-05-26T21:57:47.24
IV.OFFI.HHE. ML:2.8 0.00176 0.5 AML other m 2018-05-26T21:57:47.29
IV.FDMO.HHN. ML:1.8 0.000182 1.22 AML other m 2018-05-26T21:57:47.77
IV.FIAM.HHE. ML:2.1 0.00039249999999999995 0.54 AML other m 2018-05-26T21:57:47.89
IV.FAGN.HHE. ML:2.5 0.000991 0.36 AML other m 2018-05-26T21:57:47.89
IV.CSP1.EHE. ML:1.8 0.0001455 1.34 AML other m 2018-05-26T21:57:48.03
IV.GUMA.HHE. ML:2.6 0.000983 1.6 AML other m 2018-05-26T21:57:49.02
IV.TRTR.HHE. ML:2.9 0.0022400000000000002 0.36 AML other m 2018-05-26T21:57:49.40
IV.CSP1.EHN. ML:1.4 0.0000667 0.56 AML other m 2018-05-26T21:57:49.43
IV.FDMO.HHE. ML:1.9 0.000184 0.4 AML other m 2018-05-26T21:57:50.22
IV.T0110.HHE. ML:2.5 0.0007104999999999999 1.62 AML other m 2018-05-26T21:57:50.05
IV.FIAM.HHN. ML:2.0 0.00036449999999999997 0.84 AML other m 2018-05-26T21:57:51.47
IV.CESX.HHN. ML:1.9 0.0001715 0.34 AML other m 2018-05-26T21:57:51.46
IV.MOMA.HHE. ML:2.1 0.00021799999999999999 0.24 AML other m 2018-05-26T21:57:51.48
IV.CESX.HHE. ML:1.9 0.0001515 1 AML other m 2018-05-26T21:57:51.34
IV.T1220.HNN. ML:2.3 0.00041600000000000003 0.48 AML other m 2018-05-26T21:57:51.68
IV.T1220.EHN. ML:2.6 0.0008295 0.48 AML other m 2018-05-26T21:57:51.93
IV.T1220.HNE. ML:2.3 0.00041549999999999996 0.46 AML other m 2018-05-26T21:57:52.14
IV.GUMA.HHN. ML:2.3 0.000574 0.38 AML other m 2018-05-26T21:57:52.92
IV.T0110.HHN. ML:2.5 0.0006695 0.32 AML other m 2018-05-26T21:57:53.53
IV.MOMA.HHN. ML:2.1 0.000209 0.26 AML other m 2018-05-26T21:57:54.28
IV.TRTR.HHN. ML:2.7 0.0012649999999999998 0.34 AML other m 2018-05-26T21:57:55.25
IV.SNTG.HHN. ML:1.7 0.0000674 1.46 AML other m 2018-05-26T21:57:55.05
IV.T1220.EHE. ML:2.6 0.0008125 0.52 AML other m 2018-05-26T21:57:56.43
IV.EL6.EHN. ML:2.2 0.0001875 0.82 AML other m 2018-05-26T21:57:57.62
IV.CING.HHE. ML:2.1 0.0001735 1.24 AML other m 2018-05-26T21:57:57.18
IV.CING.HHN. ML:1.9 0.00010925 0.24 AML other m 2018-05-26T21:57:58.07
IV.SNTG.HHE. ML:1.6 0.0000546 0.6 AML other m 2018-05-26T21:57:58.83
IV.FOSV.EHN. ML:1.9 0.00008929999999999999 0.36 AML other m 2018-05-26T21:57:59.70
IV.EL6.EHE. ML:2.1 0.000164 0.24 AML other m 2018-05-26T21:58:02.37
IV.FOSV.EHE. ML:1.9 0.0000964 0.42 AML other m 2018-05-26T21:58:02.42
IV.INTR.HHN. ML:2.2 0.000224 0.48 AML other m 2018-05-26T21:58:04.39
IV.MGAB.HHE. ML:2.4 0.00022149999999999996 0.42 AML other m 2018-05-26T21:58:05.64
IV.INTR.HHE. ML:1.8 0.0000911 0.7 AML other m 2018-05-26T21:58:06.58
IV.MGAB.HHN. ML:2.2 0.0001365 0.48 AML other m 2018-05-26T21:58:07.30
IV.FRON.EHE. ML:1.7 0.00004545000000000001 1.52 AML other m 2018-05-26T21:58:09.16
IV.FRON.EHN. ML:2.0 0.0000746 0.4 AML other m 2018-05-26T21:58:12.22
IV.ARVD.HHN. ML:1.8 0.000059749999999999995 0.54 AML other m 2018-05-26T21:58:15.53
IV.ARVD.HHE. ML:1.7 0.00004755 0.68 AML other m 2018-05-26T21:58:16.04
IV.PE3.EHE. ML:2.6 0.00023050000000000002 0.38 AML other m 2018-05-26T21:58:24.01
IV.PE3.EHN. ML:2.6 0.0002325 1.14 AML other m 2018-05-26T21:58:26.18
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