Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 26-05-2013 and time 14:43:42 (Italy) in region 5 km NW Micigliano (RI)

A magnitude ML 1.5 earthquake occured in region: 5 km NW Micigliano (RI), on

  • 26-05-2013 12:43:42 (UTC)
  • 26-05-2013 14:43:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4890, 13.0220 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
Micigliano RI 5 127 127
Posta RI 7 694 821
Antrodoco RI 9 2588 3409
Borbona RI 10 617 4026
Leonessa RI 10 2435 6461
Borgo Velino RI 10 972 7433
Cantalice RI 10 2755 10188
Castel Sant'Angelo RI 10 1308 11496
Poggio Bustone RI 11 2055 13551
Cittaducale RI 13 6828 20379
Rivodutri RI 14 1253 21632
Rieti RI 16 47698 69330
Morro Reatino RI 16 373 69703
Cagnano Amiterno AQ 17 1369 71072
Polino TR 18 233 71305
Cittareale RI 18 482 71787
Concerviano RI 19 291 72078
Labro RI 19 374 72452
Montereale AQ 19 2581 75033
Monteleone di Spoleto PG 19 599 75632
Colli sul Velino RI 20 533 76165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Terni (111501 inhabitants)
35 Km W of L'Aquila (69753 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
59 Km W of Teramo (54892 inhabitants)
59 Km NE of Guidonia Montecelio (88673 inhabitants)
61 Km NE of Tivoli (56533 inhabitants)
76 Km E of Viterbo (67173 inhabitants)
80 Km NE of Roma (2864731 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
91 Km N of Velletri (53303 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
95 Km W of Chieti (51815 inhabitants)
98 Km W of Pescara (121014 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 1.5 2013-05-26
12:43:42		 42.4887 13.0222 11 2015-01-20
11:26:04		 Bollettino Sismico Italiano INGV 6140361
Reviewed
Rev100 		ML 1.5 2013-05-26
12:43:42		 42.4963 13.0258 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3594421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-26 12:43:42 ± 0.12
Latitude 42.4887 ± 0.0054
Longitude 13.0222 ± 0.0073
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 6140361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 641
Semi-minor axis of confidence ellipse (meter) 538
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.11511
Epicentral distance of station farthest from the epicenter (degree) 0.84177
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 3594421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-26 12:48:44

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 6140361
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:08:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2013-05-26T12:44:04.01 0.1 undecidable manual S 334 68.1762 50 0.38 84
IV.CESI.HHZ. 2013-05-26T12:44:01.01 0.1 undecidable manual S 351 58.0974 50 0.09 91
IV.FDMO.HHZ. 2013-05-26T12:44:01.81 0.3 undecidable manual S 5 60.9945 50 0.1 68
IV.MOMA.HHZ. 2013-05-26T12:43:58.97 0.1 undecidable manual S 313 50.7159 50 0.01 94
IV.EL6.EHZ. 2013-05-26T12:43:58.97 0.1 undecidable manual P 4 93.4398 50 0.23 82
IV.CESX.HHZ. 2013-05-26T12:43:55.58 0.1 undecidable manual S 291 37.9287 50 0.02 96
IV.ASSB.HHZ. 2013-05-26T12:43:54.84 0.1 undecidable manual P 334 68.1762 50 0 91
IV.FDMO.HHZ. 2013-05-26T12:43:53.52 0.1 undecidable manual P 5 60.9945 50 -0.22 88
IV.CESI.HHZ. 2013-05-26T12:43:53.06 0.1 undecidable manual P 351 58.0974 50 -0.22 88
IV.MOMA.HHZ. 2013-05-26T12:43:51.96 0.1 undecidable manual P 313 50.7159 50 -0.19 90
IV.TERO.HHZ. 2013-05-26T12:43:51.77 0.1 undecidable manual P 72 49.8168 50 -0.24 89
IV.NRCA.HHZ. 2013-05-26T12:43:49.92 0.1 undecidable manual P 11 39.0276 50 -0.42 88
IV.SMA1.EHZ. 2013-05-26T12:43:49.13 0.1 undecidable manual P 58 30.0477 50 0.17 94
IV.CESX.HHZ. 2013-05-26T12:43:49.98 0.1 undecidable manual P 291 37.9287 50 -0.21 92
IV.LNSS.HHZ. 2013-05-26T12:43:48.59 0.1 undecidable manual S 7 12.7761 130 0.01 100
IV.FIAM.HHZ. 2013-05-26T12:43:48.60 0.1 undecidable manual P 162 25.6521 50 0.31 92
IV.LNSS.HHZ. 2013-05-26T12:43:46.33 0.1 undecidable manual P 7 12.7761 130 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.4 0.0000434 1.22 AML other m 2013-05-26T12:44:05.14
IV.ASSB.HHN. ML:1.5 0.00005715000000000001 1.06 AML other m 2013-05-26T12:44:05.93
IV.CESI.HHE. ML:1.0 0.000020549999999999998 0.38 AML other m 2013-05-26T12:44:02.02
IV.CESI.HHN. ML:1.1 0.0000289 0.32 AML other m 2013-05-26T12:44:02.05
IV.CESX.HHN. ML:1.5 0.0001064 0.18 AML other m 2013-05-26T12:43:55.77
IV.CESX.HHE. ML:1.5 0.00010495 0.44 AML other m 2013-05-26T12:43:57.87
IV.FDMO.HHN. ML:1.6 0.0000709 0.16 AML other m 2013-05-26T12:44:02.53
IV.FDMO.HHE. ML:1.6 0.00007435 0.26 AML other m 2013-05-26T12:44:02.55
IV.MOMA.HHN. ML:1.7 0.000141 1.48 AML other m 2013-05-26T12:43:59.86
IV.MOMA.HHE. ML:1.8 0.00017749999999999998 0.26 AML other m 2013-05-26T12:44:00.72
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