Earthquake with magnitude of ML 0.5 on date 18-05-2016 and time 03:51:55 (Italy) in region 2 km N Montegallo (AP)

A magnitude ML 0.5 earthquake occured in region: 2 km N Montegallo (AP), on

  • 18-05-2016 01:51:55 (UTC)
  • 18-05-2016 03:51:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8620, 13.3320 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
Montegallo AP 2 523 523
Montemonaco AP 4 604 1127
Montefortino FM 9 1178 2305
Arquata del Tronto AP 10 1178 3483
Palmiano AP 11 196 3679
Roccafluvione AP 12 2010 5689
Acquasanta Terme AP 12 2916 8605
Comunanza AP 13 3166 11771
Venarotta AP 13 2066 13837
Amandola FM 14 3629 17466
Castelsantangelo sul Nera MC 15 281 17747
Bolognola MC 17 142 17889
Force AP 17 1354 19243
Montefalcone Appennino FM 18 424 19667
Ussita MC 18 444 20111
Smerillo FM 19 365 20476
Valle Castellana TE 20 977 21453
Sarnano MC 20 3264 24717
Accumoli RI 20 667 25384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Teramo (54892 inhabitants)
52 Km E of Foligno (57155 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
65 Km NE of Terni (111501 inhabitants)
77 Km NW of Montesilvano (53738 inhabitants)
81 Km E of Perugia (166134 inhabitants)
85 Km NW of Pescara (121014 inhabitants)
86 Km S of Ancona (100861 inhabitants)
89 Km NW of Chieti (51815 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 0.5 2016-05-18
01:51:55
42.8615 13.3318 12 2016-11-08
11:48:49
Bollettino Sismico Italiano INGV 30117381
Reviewed
Rev100
ML 0.6 2016-05-18
01:51:55
42.884 13.3693 10 2016-05-18
01:58:22
Sala Sismica INGV-Roma 25162341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-05-18 01:51:55 ± 0.12
Latitude 42.8615 ± 0.0036
Longitude 13.3318 ± 0.0061
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 30117381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 391
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 25162341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-05-18 01:58:22

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 30117381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-10-12 10:51:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNE. 2016-05-18T01:52:09.20 0.3 undecidable manual S 194 40.2264 92 0.07 74
IV.TERO.HHZ. 2016-05-18T01:52:08.00 0.6 undecidable manual S 140 34.5432 92 0.39 47
IV.LNSS.HHZ. 2016-05-18T01:52:08.30 0.3 undecidable manual S 220 37.2294 92 -0.03 75
IV.FDMO.HHZ. 2016-05-18T01:52:05.90 0.3 undecidable manual S 314 27.75 93 0.1 75
IV.PP3.EHZ. 2016-05-18T01:52:05.50 3.0 positive manual P -0.51 0
IV.SMA1.EHZ. 2016-05-18T01:52:05.10 0.3 undecidable manual S 179 25.6521 94 -0.13 74
IV.NRCA.HHZ. 2016-05-18T01:52:03.40 0.3 undecidable manual S 260 17.9709 100 0.2 74
IV.RM33.HNE. 2016-05-18T01:52:03.85 0.6 undecidable manual P 194 40.2264 92 0.3 47
IV.LNSS.HHZ. 2016-05-18T01:52:02.95 0.3 undecidable manual P 220 37.2294 92 -0.14 73
IV.TERO.HHZ. 2016-05-18T01:52:02.56 0.3 undecidable manual P 140 34.5432 92 -0.11 73
IV.FDMO.HHZ. 2016-05-18T01:52:01.54 0.1 positive manual P 314 27.75 93 -0.09 100
IV.SMA1.EHZ. 2016-05-18T01:52:01.25 0.3 undecidable manual P 179 25.6521 94 -0.05 76
IV.NRCA.HHZ. 2016-05-18T01:52:00.06 0.3 undecidable manual P 260 17.9709 100 -0.06 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.0 0.00001675 0.2 AML other m 2016-05-18T01:52:06.14
IV.FDMO.HHE. ML:0.0 0.000011269999999999999 1.3 AML other m 2016-05-18T01:52:06.07
IV.NRCA.HHN. ML:0.0 0.00004215 0.24 AML other m 2016-05-18T01:52:03.77
IV.NRCA.HHE. ML:0.0 0.00002815 1.34 AML other m 2016-05-18T01:52:04.53
IV.SMA1.EHE. ML:0.0 0.000023199999999999998 0.58 AML other m 2016-05-18T01:52:05.96
IV.SMA1.EHN. ML:0.0 0.0000166 1.46 AML other m 2016-05-18T01:53:04.15
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