Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 20-01-2017 and time 13:38:33 (Italy) in region 1 km E Montereale (AQ)

A magnitude ML 2.3 earthquake occured in region: 1 km E Montereale (AQ), on

  • 20-01-2017 12:38:33 (UTC)
  • 20-01-2017 13:38:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5210, 13.2560 at 14 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montereale AQ 1 2581 2581
Capitignano AQ 4 665 3246
Cagnano Amiterno AQ 7 1369 4615
Barete AQ 8 737 5352
Pizzoli AQ 10 4326 9678
Borbona RI 10 617 10295
Campotosto AQ 10 542 10837
Amatrice RI 12 2657 13494
Posta RI 13 694 14188
Cittareale RI 13 482 14670
Scoppito AQ 17 3727 18397
Micigliano RI 18 127 18524
Antrodoco RI 18 2588 21112
Crognaleto TE 19 1297 22409
Accumoli RI 19 667 23076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 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 2017-01-20
12:38:33		 42.5212 13.256 14 2019-07-19
13:20:58		 Bollettino Sismico Italiano INGV 62943061
Reviewed
Rev100 		ML 2.3 2017-01-20
12:38:33		 42.5188 13.2527 15 2017-01-20
12:44:29		 Sala Sismica INGV-Roma 39392711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-20 12:38:33 ± 0.06
Latitude 42.5212 ± 0.0027
Longitude 13.2560 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 62943061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.85526
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 39392711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-20 12:44:29

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 62943061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-09 17:02:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2017-01-20T12:39:13.16 3.0 undecidable manual S 2.09 0
IV.MPAG.HNZ. 2017-01-20T12:39:10.12 3.0 undecidable manual S -0.22 0
IV.ASSB.HHZ. 2017-01-20T12:38:57.30 3.0 undecidable manual S 0.29 0
IV.CESI.HHZ. 2017-01-20T12:38:52.19 0.3 undecidable manual S 332 60.7947 94 0.17 65
IV.FDMO.HHZ. 2017-01-20T12:38:50.91 1.0 undecidable manual S 347 58.7967 94 -0.58 20
IV.LPEL.HHZ. 2017-01-20T12:38:49.13 0.3 undecidable manual P 124 92.5407 92 0.14 62
IV.CING.HHZ. 2017-01-20T12:38:49.47 0.3 undecidable manual P 357 94.9383 92 0.11 62
IV.EL6.EHZ. 2017-01-20T12:38:48.68 0.1 undecidable manual P 352 90.5427 92 -0.01 85
IV.T1215.EHE. 2017-01-20T12:38:47.61 0.3 undecidable manual S 315 44.4222 96 -0.04 70
IV.MC2.EHE. 2017-01-20T12:38:47.84 0.3 undecidable manual S 353 43.623 96 0.39 64
IV.SNTG.HHZ. 2017-01-20T12:38:47.78 0.3 undecidable manual P 343 85.3479 92 -0.11 64
IV.MOMA.HHZ. 2017-01-20T12:38:45.07 0.3 undecidable manual P 300 64.1913 93 0.44 61
IV.T1220.EHZ. 2017-01-20T12:38:44.79 0.3 undecidable manual P 348 66.7776 93 -0.24 65
IV.T1217.EHZ. 2017-01-20T12:38:44.60 0.3 undecidable manual S 309 33.9438 98 -0.28 68
IV.CERT.HHZ. 2017-01-20T12:38:44.86 0.3 undecidable manual P 200 67.377 93 -0.26 64
IV.GUMA.HHZ. 2017-01-20T12:38:44.25 0.3 undecidable manual P 6 60.3951 94 0.2 65
IV.OFFI.HHZ. 2017-01-20T12:38:44.27 0.3 undecidable manual P 37 57.6978 94 0.63 58
IV.FIAM.HHZ. 2017-01-20T12:38:43.66 0.3 undecidable manual S 202 30.3474 100 -0.26 68
IV.FDMO.HHZ. 2017-01-20T12:38:43.27 0.1 undecidable manual P 347 58.7967 94 -0.53 82
IV.CESI.HHZ. 2017-01-20T12:38:43.94 0.3 undecidable manual P 332 60.7947 94 -0.17 66
IV.MC2.EHE. 2017-01-20T12:38:42.12 0.6 undecidable manual P 353 43.623 96 0.65 39
IV.GIGS.HHZ. 2017-01-20T12:38:42.49 0.3 undecidable manual S 106 26.9508 102 -0.57 64
IV.LNSS.HHZ. 2017-01-20T12:38:41.34 0.1 undecidable manual S 297 19.869 110 0.13 96
IV.T1215.EHE. 2017-01-20T12:38:41.76 0.1 undecidable manual P 315 44.4222 96 0.17 90
IV.T1202.EHZ. 2017-01-20T12:38:41.52 0.3 undecidable manual S 353 20.3685 109 0.16 71
IV.FAGN.HHZ. 2017-01-20T12:38:40.81 0.1 undecidable manual P 136 39.0276 97 0.04 94
IV.T1204.EHZ. 2017-01-20T12:38:40.62 0.1 undecidable manual S 16 17.871 114 -0.11 96
IV.T1218.EHZ. 2017-01-20T12:38:40.97 0.3 undecidable manual S 325 20.1687 110 -0.32 69
IV.ARRO.EHZ. 2017-01-20T12:38:40.78 0.1 undecidable manual P 279 40.626 96 -0.23 90
IV.NRCA.HNN. 2017-01-20T12:38:40.16 0.3 undecidable manual P 342 36.5412 97 -0.23 68
IV.CAMP.HHZ. 2017-01-20T12:38:39.58 0.1 undecidable manual S 83 12.5763 127 0.06 99
IV.FIAM.HHZ. 2017-01-20T12:38:39.40 0.1 positive manual P 202 30.3474 100 -0.04 95
IV.T1217.EHZ. 2017-01-20T12:38:39.84 0.1 undecidable manual P 309 33.9438 98 -0.15 93
IV.T1299.EHZ. 2017-01-20T12:38:39.00 0.3 undecidable manual S 10 12.6762 127 -0.54 65
IV.T1247.HHZ. 2017-01-20T12:38:39.15 0.3 undecidable manual S 159 9.4794 138 0.25 72
IV.GIGS.HHZ. 2017-01-20T12:38:38.83 0.1 undecidable manual P 106 26.9508 102 -0.11 95
IV.T1202.EHZ. 2017-01-20T12:38:38.12 0.3 undecidable manual P 353 20.3685 109 0.17 71
MN.AQU.HHZ. 2017-01-20T12:38:38.21 3.0 undecidable manual P 0.01 0
IV.RM33.HNZ. 2017-01-20T12:38:38.17 0.1 undecidable manual S 248 3.6963 162 0.05 100
IV.LNSS.HHZ. 2017-01-20T12:38:37.90 0.1 positive manual P 297 19.869 110 0.03 97
IV.T1299.EHZ. 2017-01-20T12:38:37.05 0.1 undecidable manual P 10 12.6762 127 0.14 96
IV.CAMP.HHZ. 2017-01-20T12:38:37.09 0.3 undecidable manual P 83 12.5763 127 0.2 72
IV.T1204.EHZ. 2017-01-20T12:38:37.65 0.1 positive manual P 16 17.871 114 0.05 97
IV.T1218.EHZ. 2017-01-20T12:38:37.87 0.1 undecidable manual P 325 20.1687 110 -0.05 97
IV.RM33.HNZ. 2017-01-20T12:38:36.27 0.3 undecidable manual P 248 3.6963 162 0.19 73
IV.T1247.HHZ. 2017-01-20T12:38:36.80 0.1 negative manual P 159 9.4794 138 0.26 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:2.9 0.009394999999999999 0.38 AML other m 2017-01-20T12:38:38.47
IV.RM33.HNN. ML:2.9 0.009265 0.36 AML other m 2017-01-20T12:38:38.46
IV.RM33.EHE. ML:3.0 0.0125 0.28 AML other m 2017-01-20T12:38:38.33
IV.RM33.HNE. ML:3.0 0.01305 0.28 AML other m 2017-01-20T12:38:38.33
IV.T1299.HNN. ML:2.5 0.0027 0.22 AML other m 2017-01-20T12:38:39.69
IV.T1299.EHN. ML:2.5 0.002705 0.22 AML other m 2017-01-20T12:38:39.70
IV.T1299.EHE. ML:2.6 0.0034699999999999996 0.22 AML other m 2017-01-20T12:38:39.86
IV.T1299.HNE. ML:2.6 0.003475 1.7 AML other m 2017-01-20T12:38:40.86
IV.T1218.HNN. ML:2.4 0.0016600000000000002 0.24 AML other m 2017-01-20T12:38:41.34
IV.T1218.EHN. ML:2.4 0.001685 0.24 AML other m 2017-01-20T12:38:41.23
IV.T1218.EHE. ML:2.1 0.0008635 0.28 AML other m 2017-01-20T12:38:41.31
IV.T1218.HNE. ML:2.1 0.000902 0.28 AML other m 2017-01-20T12:38:41.31
IV.LNSS.HHE. ML:2.7 0.00312 0.44 AML other m 2017-01-20T12:38:41.47
IV.T1202.EHN. ML:2.8 0.004665 0.94 AML other m 2017-01-20T12:38:42.00
IV.T1202.EHE. ML:2.8 0.003955 0.3 AML other m 2017-01-20T12:38:42.22
IV.LNSS.HHN. ML:2.6 0.0024649999999999997 0.66 AML other m 2017-01-20T12:38:42.57
IV.GIGS.HHE. ML:1.7 0.0002675 1.34 AML other m 2017-01-20T12:38:43.83
IV.GIGS.HHN. ML:1.8 0.000308 0.72 AML other m 2017-01-20T12:38:43.78
IV.FIAM.HHN. ML:2.2 0.0006945 0.74 AML other m 2017-01-20T12:38:44.07
IV.FIAM.HHE. ML:2.4 0.0010265 0.56 AML other m 2017-01-20T12:38:44.39
MN.AQU.HHN. ML:2.3 0.0012799999999999999 1.2 AML other m 2017-01-20T12:38:44.15
MN.AQU.HLN. ML:2.3 0.0013199999999999998 1.2 AML other m 2017-01-20T12:38:44.16
MN.AQU.HLE. ML:2.2 0.000968 0.16 AML other m 2017-01-20T12:38:44.31
MN.AQU.HHE. ML:2.2 0.0009715 0.16 AML other m 2017-01-20T12:38:44.31
IV.ARRO.EHN. ML:2.1 0.0003915 0.78 AML other m 2017-01-20T12:38:47.52
IV.FAGN.HHN. ML:2.2 0.00061 0.3 AML other m 2017-01-20T12:38:50.10
IV.FAGN.HHE. ML:2.4 0.0009750000000000001 1.58 AML other m 2017-01-20T12:38:50.85
IV.ARRO.EHE. ML:1.9 0.000264 0.68 AML other m 2017-01-20T12:38:51.87
IV.CESI.HHN. ML:2.2 0.0003205 1.72 AML other m 2017-01-20T12:38:52.10
IV.GUMA.HHE. ML:2.7 0.0009515 0.34 AML other m 2017-01-20T12:38:53.33
IV.FDMO.HHE. ML:2.0 0.0001905 0.44 AML other m 2017-01-20T12:38:54.22
IV.GUMA.HHN. ML:2.6 0.000843 1.6 AML other m 2017-01-20T12:38:54.82
IV.FDMO.HHN. ML:2.0 0.000187 1.22 AML other m 2017-01-20T12:38:54.22
IV.CESI.HHE. ML:2.0 0.0001905 1.04 AML other m 2017-01-20T12:38:54.23
IV.MOMA.HHN. ML:2.0 0.00017749999999999998 0.8 AML other m 2017-01-20T12:38:54.55
IV.GUMA.HNE. ML:2.5 0.0007239999999999999 1.14 AML other m 2017-01-20T12:38:55.37
IV.OFFI.HHE. ML:2.4 0.000489 0.5 AML other m 2017-01-20T12:38:55.31
IV.GUMA.HNN. ML:2.6 0.0007815 0.44 AML other m 2017-01-20T12:38:55.75
IV.T1220.HNN. ML:2.6 0.0006670000000000001 0.5 AML other m 2017-01-20T12:38:57.68
IV.ASSB.HHN. ML:2.0 0.000155 0.22 AML other m 2017-01-20T12:38:58.25
IV.T1220.HNE. ML:2.7 0.0008645 1.26 AML other m 2017-01-20T12:38:58.21
IV.T1220.EHE. ML:2.7 0.0008519999999999999 1.26 AML other m 2017-01-20T12:38:58.21
IV.T1220.EHN. ML:2.6 0.000686 1.12 AML other m 2017-01-20T12:38:59.93
IV.ASSB.HHE. ML:2.0 0.00013455 0.26 AML other m 2017-01-20T12:39:00.60
IV.CERT.HHE. ML:2.1 0.00023299999999999997 0.58 AML other m 2017-01-20T12:39:01.12
IV.SNTG.HHE. ML:1.9 0.0000917 0.52 AML other m 2017-01-20T12:39:01.18
IV.MOMA.HHE. ML:2.0 0.000166 0.56 AML other m 2017-01-20T12:39:01.40
IV.OFFI.HHN. ML:2.3 0.000453 1.42 AML other m 2017-01-20T12:39:01.80
IV.CERT.HHN. ML:2.0 0.00017449999999999999 1.58 AML other m 2017-01-20T12:39:01.91
IV.SNTG.HHN. ML:2.0 0.00010899999999999999 0.44 AML other m 2017-01-20T12:39:01.76
IV.LPEL.HHE. ML:2.0 0.000127 0.84 AML other m 2017-01-20T12:39:03.16
IV.CING.HHE. ML:2.2 0.000164 1.38 AML other m 2017-01-20T12:39:03.23
IV.LPEL.HHN. ML:2.0 0.00011394999999999999 0.64 AML other m 2017-01-20T12:39:04.07
IV.CING.HHN. ML:2.1 0.0001265 0.48 AML other m 2017-01-20T12:39:09.71
IV.EL6.EHE. ML:2.3 0.00021900000000000004 0.66 AML other m 2017-01-20T12:39:12.48
IV.EL6.EHN. ML:2.4 0.00026000000000000003 0.48 AML other m 2017-01-20T12:39:12.28
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