Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-01-2017 and time 10:33:56 (Italy) in region 5 km N Montereale (AQ)

A magnitude ML 2.0 earthquake occured in region: 5 km N Montereale (AQ), on

  • 18-01-2017 09:33:56 (UTC)
  • 18-01-2017 10:33:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5740, 13.2510 at 11 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
Montereale AQ 5 2581 2581
Amatrice RI 7 2657 5238
Capitignano AQ 7 665 5903
Cittareale RI 9 482 6385
Campotosto AQ 10 542 6927
Borbona RI 12 617 7544
Cagnano Amiterno AQ 13 1369 8913
Accumoli RI 14 667 9580
Posta RI 14 694 10274
Barete AQ 14 737 11011
Pizzoli AQ 16 4326 15337
Crognaleto TE 19 1297 16634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
79 Km W of Chieti (51815 inhabitants)
80 Km W of Pescara (121014 inhabitants)
92 Km SE of Perugia (166134 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 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 2017-01-18
09:33:56		 42.5738 13.251 11 2019-07-19
13:20:33		 Bollettino Sismico Italiano INGV 50335321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-18 09:33:56 ± 0.1
Latitude 42.5738 ± 0.0081
Longitude 13.2510 ± 0.0085
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50335321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 979
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.12231
Epicentral distance of station farthest from the epicenter (degree) 0.63852
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 50335321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-22 10:01:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHN. 2017-01-18T09:34:18.69 0.6 undecidable manual S 317 70.8735 50 0.76 37
IV.MOMA.HNZ. 2017-01-18T09:34:15.60 0.6 undecidable manual S 295 61.0944 50 0.28 44
IV.CESX.HHE. 2017-01-18T09:34:14.25 0.6 undecidable manual S 274 54.4011 50 0.73 39
IV.SEF1.HNN. 2017-01-18T09:34:08.42 1.0 undecidable manual P 339 68.1762 50 -0.01 23
IV.FIAM.HHZ. 2017-01-18T09:34:08.45 0.6 undecidable manual S 198 35.6421 50 -0.07 48
IV.TRTR.HHE. 2017-01-18T09:34:08.29 0.3 undecidable manual P 64 59.9955 50 1.13 48
IV.ASSB.HHN. 2017-01-18T09:34:08.13 0.6 undecidable manual P 317 70.8735 50 -0.72 38
IV.MOMA.HNZ. 2017-01-18T09:34:07.63 0.6 undecidable manual P 295 61.0944 50 0.29 44
IV.T0110.HHZ. 2017-01-18T09:34:06.79 0.6 undecidable manual P 131 57.498 50 0 47
IV.GIGS.HHZ. 2017-01-18T09:34:06.20 0.6 undecidable manual S 117 29.5482 50 -0.69 41
IV.T1217.EHZ. 2017-01-18T09:34:06.82 0.6 undecidable manual S 301 30.2475 50 -0.26 47
IV.CESX.HHE. 2017-01-18T09:34:05.88 0.3 undecidable manual P 274 54.4011 50 -0.42 65
IV.FAGN.HHZ. 2017-01-18T09:34:05.20 0.6 undecidable manual P 141 43.7229 50 0.55 43
IV.LNSS.HHZ. 2017-01-18T09:34:03.58 0.3 undecidable manual S 281 17.4714 121 0.05 75
IV.FIAM.HHZ. 2017-01-18T09:34:03.36 0.3 undecidable manual P 198 35.6421 50 -0.05 72
IV.ARRO.EHZ. 2017-01-18T09:34:03.84 0.1 undecidable manual P 271 39.627 50 -0.19 93
IV.T1247.HHZ. 2017-01-18T09:34:03.05 0.6 undecidable manual S 165 15.1737 125 0.2 49
IV.GIGS.HHZ. 2017-01-18T09:34:02.06 0.3 undecidable manual P 117 29.5482 50 -0.41 68
IV.CAMP.HHZ. 2017-01-18T09:34:02.26 0.6 undecidable manual S 108 13.5753 128 -0.14 49
IV.T1217.EHZ. 2017-01-18T09:34:02.24 0.3 undecidable manual P 301 30.2475 50 -0.34 69
IV.T1218.HNE. 2017-01-18T09:34:02.67 0.6 undecidable manual S 314 15.3735 124 -0.24 48
IV.T1218.HNE. 2017-01-18T09:34:00.06 0.1 undecidable manual P 314 15.3735 124 -0.11 99
IV.T1247.HHZ. 2017-01-18T09:34:00.44 0.3 undecidable manual P 165 15.1737 125 0.31 71
IV.LNSS.HHZ. 2017-01-18T09:34:00.57 0.1 undecidable manual P 281 17.4714 121 0.04 100
IV.CAMP.HHZ. 2017-01-18T09:33:59.91 0.3 undecidable manual P 108 13.5753 128 0.03 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:2.1 0.00045978640000000003 0.1856 AML other m 2017-01-18T09:34:11.68
IV.ARRO.EHE. ML:1.9 0.00026588690000000004 0.1792 AML other m 2017-01-18T09:34:15.98
IV.CAMP.HHE. ML:1.9 0.00086662785 0.3776 AML other m 2017-01-18T09:34:03.76
IV.CAMP.HHN. ML:2.0 0.0009858368 0.4352 AML other m 2017-01-18T09:34:02.83
IV.FIAM.HHE. ML:2.0 0.00038746770000000003 0.3392 AML other m 2017-01-18T09:34:08.90
IV.FIAM.HHN. ML:1.8 0.00023120959500000002 0.2368 AML other m 2017-01-18T09:34:12.52
IV.GIGS.HHE. ML:2.0 0.0005248720999999999 0.1216 AML other m 2017-01-18T09:34:06.42
IV.GIGS.HHN. ML:2.0 0.00045818255000000004 0.16 AML other m 2017-01-18T09:34:06.32
IV.LNSS.HHN. ML:2.6 0.003090711 0.16 AML other m 2017-01-18T09:34:03.78
IV.LNSS.HHE. ML:2.4 0.002111964 0.256 AML other m 2017-01-18T09:34:03.76
IV.T1217.EHN. ML:1.9 0.00038187065 0.2048 AML other m 2017-01-18T09:34:07.62
IV.T1217.HNE. ML:1.8 0.00028807535 0.224 AML other m 2017-01-18T09:34:08.90
IV.T1217.EHE. ML:1.8 0.00033125445 0.2112 AML other m 2017-01-18T09:34:08.90
IV.T1217.HNN. ML:2.0 0.000435819 0.2048 AML other m 2017-01-18T09:34:07.72
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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