Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-01-2017 and time 04:25:53 (Italy) in region 3 km SE Amatrice (RI)

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

  • 23-01-2017 03:25:53 (UTC)
  • 23-01-2017 04:25:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6140, 13.3190 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
Amatrice RI 3 2657 2657
Campotosto AQ 8 542 3199
Capitignano AQ 10 665 3864
Accumoli RI 11 667 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 18 737 11462
Cagnano Amiterno AQ 19 1369 12831
Borbona RI 19 617 13448
Acquasanta Terme AP 19 2916 16364
Rocca Santa Maria TE 19 537 16901
Fano Adriano TE 19 296 17197
Pizzoli AQ 20 4326 21523

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)
94 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 2017-01-23
03:25:53		 42.6138 13.3187 10 2019-07-19
13:21:04		 Bollettino Sismico Italiano INGV 63500961
Reviewed
Rev100 		ML 2.2 2017-01-23
03:25:53		 42.6117 13.3162 10 2017-01-23
03:34:58		 Sala Sismica INGV-Roma 39624631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-23 03:25:53 ± 0.06
Latitude 42.6138 ± 0.0027
Longitude 13.3187 ± 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 63500961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58186
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 39624631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-23 03:34:58

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 63500961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-30 16:38:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2017-01-23T03:26:10.94 0.1 undecidable manual S 322 54.9006 50 0.41 84
IV.MOMA.HHZ. 2017-01-23T03:26:04.85 0.3 undecidable manual P 289 64.5909 50 0.17 65
IV.T1217.EHZ. 2017-01-23T03:26:04.54 0.3 undecidable manual S 289 33.4443 50 -0.25 68
IV.T1222.EHZ. 2017-01-23T03:26:04.55 0.1 undecidable manual S -0.08 94
IV.CESI.HHZ. 2017-01-23T03:26:03.12 0.1 undecidable manual P 322 54.9006 50 -0.08 90
IV.NRCA.HHZ. 2017-01-23T03:26:03.43 0.6 undecidable manual S 326 29.5482 50 -0.32 45
IV.T1220.EHZ. 2017-01-23T03:26:03.79 0.1 undecidable manual P 341 58.0974 50 0.09 89
IV.GUMA.HHZ. 2017-01-23T03:26:02.72 0.3 undecidable manual P 2 49.8168 50 0.31 65
IV.FDMO.HHZ. 2017-01-23T03:26:02.41 0.3 undecidable manual P 338 50.5161 50 -0.11 68
IV.ARRO.EHZ. 2017-01-23T03:26:01.62 0.1 undecidable manual P 265 45.3213 50 -0.1 91
IV.T1247.HHZ. 2017-01-23T03:26:01.02 0.1 undecidable manual S 185 19.1697 118 0.31 92
IV.T1213.HNE. 2017-01-23T03:26:01.03 0.6 undecidable manual S 308 19.9689 117 0.08 48
IV.LNSS.HHZ. 2017-01-23T03:26:01.82 0.1 undecidable manual S 267 22.755 114 0 97
IV.T1215.EHZ. 2017-01-23T03:26:01.25 0.1 undecidable manual P 300 42.2244 50 0.01 94
IV.T1216.EHZ. 2017-01-23T03:26:00.78 0.1 undecidable manual P 322 39.2274 50 0 94
IV.T1218.EHZ. 2017-01-23T03:26:00.12 0.1 undecidable manual S 291 17.7711 120 -0.15 95
IV.T1217.EHZ. 2017-01-23T03:25:59.71 0.1 undecidable manual P 289 33.4443 50 -0.17 92
IV.T1202.EHZ. 2017-01-23T03:25:59.18 0.1 undecidable manual S 322 12.5763 129 0.41 91
IV.NRCA.HHZ. 2017-01-23T03:25:59.16 0.1 undecidable manual P 326 29.5482 50 -0.12 94
IV.T1222.EHZ. 2017-01-23T03:25:59.71 0.1 undecidable manual P -0.1 94
IV.RM33.EHZ. 2017-01-23T03:25:59.38 0.1 undecidable manual S 216 14.3745 125 0.09 97
MN.AQU.HHZ. 2017-01-23T03:25:59.21 0.3 undecidable manual P -0.11 71
IV.LNSS.HHZ. 2017-01-23T03:25:58.14 0.1 undecidable manual P 267 22.755 114 -0.04 96
IV.T1212.EHZ. 2017-01-23T03:25:58.81 0.1 undecidable manual P 304 27.0507 50 -0.1 95
IV.CAMP.HHZ. 2017-01-23T03:25:58.20 0.1 undecidable manual S 140 11.3775 132 -0.26 94
IV.T1218.EHZ. 2017-01-23T03:25:57.30 0.1 positive manual P 291 17.7711 120 0.03 98
IV.T1247.HHZ. 2017-01-23T03:25:57.65 0.1 undecidable manual P 185 19.1697 118 0.12 95
IV.T1204.EHZ. 2017-01-23T03:25:57.03 0.6 undecidable manual S 359 6.8931 146 -0.4 46
IV.T1213.HNE. 2017-01-23T03:25:57.66 0.1 undecidable manual P 308 19.9689 117 -0.01 97
IV.T1202.EHZ. 2017-01-23T03:25:56.83 0.1 positive manual P 322 12.5763 129 0.42 91
IV.T1299.HNZ. 2017-01-23T03:25:56.31 0.1 undecidable manual S 307 3.6963 160 -0.61 87
IV.RM33.EHZ. 2017-01-23T03:25:56.91 0.1 positive manual P 216 14.3745 125 0.2 95
IV.CAMP.HHZ. 2017-01-23T03:25:56.33 0.1 positive manual P 140 11.3775 132 0.1 97
IV.T1204.EHZ. 2017-01-23T03:25:55.63 0.1 undecidable manual P 359 6.8931 146 -0.01 100
IV.T1299.HNZ. 2017-01-23T03:25:55.36 0.1 negative manual P 307 3.6963 160 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.HNN. ML:2.6 0.007649532499999999 0.1408 AML other m 2017-01-23T03:25:56.53
IV.T1299.EHN. ML:2.6 0.0076745325 0.16 AML other m 2017-01-23T03:25:56.53
IV.T1299.HNE. ML:2.7 0.0085262955 0.1888 AML other m 2017-01-23T03:25:56.52
IV.T1299.EHE. ML:2.7 0.0087514565 0.1792 AML other m 2017-01-23T03:25:56.53
IV.CAMP.HHE. ML:2.3 0.0024993615 0.2208 AML other m 2017-01-23T03:25:58.44
IV.CAMP.HHN. ML:2.1 0.0015172105 0.2192 AML other m 2017-01-23T03:25:58.48
IV.T1202.EHN. ML:2.8 0.007485862 0.1408 AML other m 2017-01-23T03:25:59.78
IV.T1202.EHE. ML:2.8 0.007817134 0.1792 AML other m 2017-01-23T03:25:59.38
IV.RM33.HNN. ML:2.1 0.001363083 0.24 AML other m 2017-01-23T03:26:00.51
IV.RM33.HNE. ML:2.1 0.00116948035 0.32 AML other m 2017-01-23T03:25:59.80
IV.RM33.EHN. ML:2.1 0.001316435 0.24 AML other m 2017-01-23T03:26:00.51
IV.RM33.EHE. ML:2.0 0.00113998815 0.32 AML other m 2017-01-23T03:25:59.80
IV.T1218.EHE. ML:1.8 0.0005072099 0.16 AML other m 2017-01-23T03:26:03.88
IV.T1218.HNN. ML:2.0 0.0007749205500000001 0.208 AML other m 2017-01-23T03:26:00.38
IV.T1218.EHN. ML:2.0 0.00075635405 0.224 AML other m 2017-01-23T03:26:00.38
IV.T1218.HNE. ML:1.9 0.00070273405 0.336 AML other m 2017-01-23T03:26:02.69
IV.T1247.HHN. ML:2.3 0.0014684925 0.1392 AML other m 2017-01-23T03:26:02.08
IV.T1247.HHE. ML:2.2 0.0012376960000000002 0.16 AML other m 2017-01-23T03:26:01.28
IV.LNSS.HHN. ML:1.9 0.0005061595999999999 0.12 AML other m 2017-01-23T03:26:04.89
IV.LNSS.HHE. ML:1.9 0.000524026 0.16 AML other m 2017-01-23T03:26:02.29
IV.T1212.HNE. ML:2.0 0.0005793645 0.112 AML other m 2017-01-23T03:26:04.16
IV.T1212.EHE. ML:1.9 0.0004646538 0.112 AML other m 2017-01-23T03:26:04.11
IV.T1212.EHN. ML:1.9 0.00040157155 0.128 AML other m 2017-01-23T03:26:04.34
IV.T1212.HNN. ML:1.9 0.0004131031 0.128 AML other m 2017-01-23T03:26:04.28
MN.AQU.HLN. ML:1.7 0.0002500731 0.2992 AML other m 2017-01-23T03:26:08.95
MN.AQU.HLE. ML:1.7 0.00023387524999999998 0.1808 AML other m 2017-01-23T03:26:05.61
MN.AQU.HHE. ML:1.6 0.00021706355 0.28 AML other m 2017-01-23T03:26:07.30
MN.AQU.HHN. ML:1.7 0.0002355666 0.32 AML other m 2017-01-23T03:26:06.76
IV.T1217.HNN. ML:1.8 0.00025773935000000006 0.192 AML other m 2017-01-23T03:26:05.66
IV.T1217.HNE. ML:1.7 0.0002132832 0.224 AML other m 2017-01-23T03:26:08.17
IV.T1217.EHN. ML:1.8 0.0002632371 0.192 AML other m 2017-01-23T03:26:05.66
IV.T1217.EHE. ML:1.6 0.00018248255000000003 0.096 AML other m 2017-01-23T03:26:06.47
IV.T1216.EHE. ML:2.0 0.0003305148 0.24 AML other m 2017-01-23T03:26:09.08
IV.T1216.EHN. ML:2.1 0.00044300245000000006 0.112 AML other m 2017-01-23T03:26:08.00
IV.T1215.HNE. ML:1.7 0.0001695644 0.112 AML other m 2017-01-23T03:26:08.14
IV.T1215.EHN. ML:1.6 0.0001457544 0.064 AML other m 2017-01-23T03:26:08.23
IV.T1215.EHE. ML:1.7 0.0001652843 0.112 AML other m 2017-01-23T03:26:08.14
IV.T1215.HNN. ML:1.6 0.00014235105 0.064 AML other m 2017-01-23T03:26:08.23
IV.ARRO.EHE. ML:1.5 0.00009947350499999999 0.12 AML other m 2017-01-23T03:26:12.26
IV.ARRO.EHN. ML:1.6 0.00010274603 0.2992 AML other m 2017-01-23T03:26:10.89
IV.FDMO.HHE. ML:1.7 0.00013266885 0.32 AML other m 2017-01-23T03:26:10.57
IV.FDMO.HHN. ML:1.7 0.00013497555 0.2208 AML other m 2017-01-23T03:26:10.70
IV.GUMA.HNE. ML:2.1 0.000365765 0.28 AML other m 2017-01-23T03:26:10.46
IV.GUMA.HNN. ML:2.2 0.00040592835 0.4608 AML other m 2017-01-23T03:26:13.50
IV.GUMA.HHE. ML:2.2 0.00041119700000000003 0.3408 AML other m 2017-01-23T03:26:13.05
IV.GUMA.HHN. ML:2.1 0.00036276835000000003 0.2192 AML other m 2017-01-23T03:26:13.76
IV.CESI.HHN. ML:2.0 0.00022337695 0.16 AML other m 2017-01-23T03:26:12.42
IV.CESI.HHE. ML:1.8 0.0001363134 0.12 AML other m 2017-01-23T03:26:12.07
IV.T1220.HNN. ML:2.4 0.0005475090000000001 0.352 AML other m 2017-01-23T03:26:16.08
IV.T1220.HNE. ML:2.3 0.00044584325 0.384 AML other m 2017-01-23T03:26:16.22
IV.T1220.EHE. ML:2.2 0.0003289297 0.352 AML other m 2017-01-23T03:26:21.35
IV.T1220.EHN. ML:2.4 0.0005468983000000001 0.368 AML other m 2017-01-23T03:26:16.27
IV.MOMA.HHN. ML:1.8 0.00012892445 0.16 AML other m 2017-01-23T03:26:17.67
IV.MOMA.HHE. ML:2.0 0.00018832045 0.1408 AML other m 2017-01-23T03:26:15.36
IV.MOMA.HNN. ML:2.1 0.00021458635000000002 0.5504 AML other m 2017-01-23T03:26:21.36
IV.MOMA.HNE. ML:2.0 0.00016754630000000002 0.36 AML other m 2017-01-23T03:26:21.72
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