Earthquake with magnitude of ML 1.6 on date 20-08-2014 and time 09:01:27 (UTC) in region 5 km NW Montereale (AQ)

A magnitude ML 1.6 earthquake occured in region: 5 km NW Montereale (AQ), on

  • 20-08-2014 09:01:27 (UTC)
  • 20-08-2014 11:01:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5640, 13.2240 at 12 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.

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
Capitignano AQ 8 665 3246
Cittareale RI 8 482 3728
Amatrice RI 9 2657 6385
Borbona RI 9 617 7002
Posta RI 11 694 7696
Cagnano Amiterno AQ 12 1369 9065
Campotosto AQ 12 542 9607
Barete AQ 13 737 10344
Accumoli RI 15 667 11011
Pizzoli AQ 15 4326 15337
Micigliano RI 19 127 15464
Antrodoco RI 20 2588 18052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
96 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 1.6 2014-08-20
09:01:27
42.5638 13.2243 12 2015-09-21
09:39:02
Bollettino Sismico Italiano INGV 18403761
Reviewed
Rev100
ML 1.6 2014-08-20
09:01:27
42.5628 13.2242 12 2014-10-21
12:08:56
Sala Sismica INGV-Roma 7896851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-20 09:01:27 ± 0.08
Latitude 42.5638 ± 0.0036
Longitude 13.2243 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18403761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.52790
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 18403761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-14 14:11:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 7896851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-20 09:10:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2014-08-20T09:01:46.44 0.6 undecidable manual S 358 58.5969 92 0.46 43
IV.FIAM.HHE. 2014-08-20T09:01:39.35 0.3 undecidable manual S 195 33.9438 94 -0.07 72
IV.CSP1.EHZ. 2014-08-20T09:01:38.34 0.3 undecidable manual P 358 58.5969 92 0.01 70
IV.NRCA.HHE. 2014-08-20T09:01:38.40 0.6 undecidable manual S 343 31.2465 94 -0.29 46
IV.TERO.HHZ. 2014-08-20T09:01:38.34 0.6 undecidable manual S 78 31.6461 94 -0.46 44
IV.TERO.HHZ. 2014-08-20T09:01:34.00 0.1 positive manual P 78 31.6461 94 -0.19 94
IV.LNSS.HHZ. 2014-08-20T09:01:34.39 0.6 undecidable manual S 286 15.6732 108 -0.19 48
IV.NRCA.HHE. 2014-08-20T09:01:34.02 0.3 undecidable manual P 343 31.2465 94 -0.1 72
IV.CAMP.HHZ. 2014-08-20T09:01:34.42 0.6 undecidable manual S 102 15.3735 109 -0.1 50
IV.FIAM.HHE. 2014-08-20T09:01:34.49 0.3 undecidable manual P 195 33.9438 94 -0.05 72
IV.SMA1.EHZ. 2014-08-20T09:01:33.72 0.6 undecidable manual S 51 11.6772 122 0.1 50
IV.RM33.EHZ. 2014-08-20T09:01:32.33 0.6 undecidable manual S 188 6.0939 146 -0.22 49
IV.CAMP.HHZ. 2014-08-20T09:01:31.90 0.1 undecidable manual P 102 15.3735 109 0.19 97
IV.SMA1.EHZ. 2014-08-20T09:01:31.43 0.1 undecidable manual P 51 11.6772 122 0.23 97
IV.LNSS.HHZ. 2014-08-20T09:01:31.87 0.1 positive manual P 286 15.6732 108 0.12 99
IV.RM33.EHZ. 2014-08-20T09:01:30.71 0.1 undecidable manual P 188 6.0939 146 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.9 0.0000665 0.98 AML other m 2014-08-20T09:01:35.50
IV.CAMP.HHN. ML:0.9 0.00006855 1.58 AML other m 2014-08-20T09:01:35.41
IV.LNSS.HHN. ML:1.6 0.0003615 0.16 AML other m 2014-08-20T09:01:34.79
IV.LNSS.HHE. ML:1.6 0.000365 0.18 AML other m 2014-08-20T09:01:34.81
IV.RM33.EHN. ML:1.7 0.00065 0.48 AML other m 2014-08-20T09:01:32.43
IV.RM33.EHE. ML:1.9 0.0009809999999999999 0.3 AML other m 2014-08-20T09:01:32.65
IV.SMA1.EHN. ML:2.0 0.0010190000000000002 0.52 AML other m 2014-08-20T09:01:34.04
IV.SMA1.EHE. ML:2.2 0.00171 0.5 AML other m 2014-08-20T09:01:34.09
IV.TERO.HHN. ML:1.2 0.00006975 0.18 AML other m 2014-08-20T09:01:38.49
IV.TERO.HHE. ML:1.2 0.0000735 0.14 AML other m 2014-08-20T09:01:38.49
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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