Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-12-2015 and time 01:50:22 (Italy) in region 1 km E Falerone (FM)

A magnitude ML 1.5 earthquake occured in region: 1 km E Falerone (FM), on

  • 27-12-2015 00:50:22 (UTC)
  • 27-12-2015 01:50:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1060, 13.4920 at 20 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
Falerone FM 2 3337 3337
Monte Vidon Corrado FM 2 731 4068
Servigliano FM 3 2336 6404
Montappone FM 4 1682 8086
Belmonte Piceno FM 4 646 8732
Montegiorgio FM 5 6851 15583
Massa Fermana FM 5 963 16546
Monsampietro Morico FM 7 659 17205
Monteleone di Fermo FM 7 395 17600
Penna San Giovanni MC 8 1108 18708
Sant'Angelo in Pontano MC 8 1436 20144
Magliano di Tenna FM 9 1452 21596
Grottazzolina FM 9 3398 24994
Mogliano MC 9 4696 29690
Montottone FM 9 979 30669
Loro Piceno MC 9 2401 33070
Monte San Martino MC 9 765 33835
Santa Vittoria in Matenano FM 10 1330 35165
Rapagnano FM 10 2145 37310
Francavilla d'Ete FM 10 964 38274
Montelparo FM 10 778 39052
Ripe San Ginesio MC 11 852 39904
Monte Rinaldo FM 11 379 40283
Monte Giberto FM 11 801 41084
Smerillo FM 12 365 41449
Monte San Pietrangeli FM 12 2458 43907
Ortezzano FM 13 774 44681
Colmurano MC 13 1263 45944
Monte Vidon Combatte FM 13 433 46377
Torre San Patrizio FM 13 2048 48425
Petriolo MC 13 1998 50423
Gualdo MC 13 815 51238
Montefalcone Appennino FM 13 424 51662
Ponzano di Fermo FM 14 1674 53336
Urbisaglia MC 14 2628 55964
Petritoli FM 14 2335 58299
San Ginesio MC 14 3498 61797
Force AP 16 1354 63151
Corridonia MC 16 15430 78581
Montalto delle Marche AP 16 2122 80703
Monte San Giusto MC 17 8191 88894
Montedinove AP 17 488 89382
Sarnano MC 17 3264 92646
Comunanza AP 18 3166 95812
Carassai AP 18 1100 96912
Rotella AP 18 906 97818
Amandola FM 18 3629 101447
Montegranaro FM 18 12990 114437
Monterubbiano FM 18 2230 116667
Monte Urano FM 18 8353 125020
Camporotondo di Fiastrone MC 19 563 125583
Cessapalombo MC 19 512 126095
Fermo FM 19 37655 163750
Moresco FM 20 598 164348

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Teramo (54892 inhabitants)
57 Km S of Ancona (100861 inhabitants)
66 Km E of Foligno (57155 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
85 Km NW of Montesilvano (53738 inhabitants)
90 Km E of Perugia (166134 inhabitants)
90 Km SE of Fano (60888 inhabitants)
92 Km NE of Terni (111501 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
100 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 		Md 1.5
ML 1.5 		2015-12-27
00:50:22		 43.1065 13.4925 20 2016-02-19
13:23:08		 Bollettino Sismico Italiano INGV 23058801
Reviewed
Rev100 		Md 1.5
ML 1.6 		2015-12-27
00:50:22		 43.1128 13.5042 21 2015-12-27
01:04:26		 Sala Sismica INGV-Roma 22847351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-12-27 00:50:22 ± 0.12
Latitude 43.1065 ± 0.0036
Longitude 13.4925 ± 0.0074
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23058801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 569
Semi-minor axis of confidence ellipse (meter) 43
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60255
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.5
Num. used stations 2
Type of magnitude ML
Reference to an origin 22847351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-12-27 01:04:26

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 2
Type of magnitude ML
Reference to an origin 23058801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-01-13 05:35:51

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 22847351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-12-27 01:04:26

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude Md
Reference to an origin 23058801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-01-13 05:35:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHE. 2015-12-27T00:50:43.71 0.6 undecidable manual S 214 66.8775 99 0.63 40
IV.CAMP.HHE. 2015-12-27T00:50:42.74 0.6 undecidable manual S 186 63.6918 100 0.51 42
IV.TERO.HHE. 2015-12-27T00:50:39.53 0.6 undecidable manual S 170 54.4011 102 -0.27 44
IV.NRCA.HHE. 2015-12-27T00:50:37.03 0.3 undecidable manual S 226 43.1235 106 0.15 70
IV.EL6.EHE. 2015-12-27T00:50:36.38 0.6 undecidable manual S 308 40.1265 108 0.27 45
IV.CING.HHE. 2015-12-27T00:50:35.52 0.6 undecidable manual S 321 38.3283 109 -0.13 47
IV.FDMO.HHZ. 2015-12-27T00:50:34.64 0.3 undecidable manual S 257 33.744 112 0.13 71
IV.LNSS.HHE. 2015-12-27T00:50:34.28 0.1 positive manual P 214 66.8775 99 -0.13 89
IV.CAMP.HHE. 2015-12-27T00:50:33.92 0.3 undecidable manual P 186 63.6918 100 0 69
IV.TERO.HHE. 2015-12-27T00:50:32.40 0.3 undecidable manual P 170 54.4011 102 -0.12 68
IV.CSP1.EHZ. 2015-12-27T00:50:32.07 0.3 undecidable manual S 266 23.3544 123 0.04 74
IV.AOI.HHE. 2015-12-27T00:50:32.44 0.3 undecidable manual P 10 50.0166 103 0.58 61
IV.RDP.HHZ. 2015-12-27T00:50:31.25 3.0 negative manual P -2.93 0
IV.GUMA.HHZ. 2015-12-27T00:50:30.24 0.3 undecidable manual S 249 13.6752 140 0.17 73
IV.EL6.EHE. 2015-12-27T00:50:30.41 0.1 undecidable manual P 308 40.1265 108 0.02 96
IV.NRCA.HHE. 2015-12-27T00:50:30.60 0.1 negative manual P 226 43.1235 106 -0.23 91
IV.FDMO.HHZ. 2015-12-27T00:50:29.25 0.1 negative manual P 257 33.744 112 -0.21 93
IV.CING.HHE. 2015-12-27T00:50:29.95 0.1 undecidable manual P 321 38.3283 109 -0.17 94
IV.MNTP.HNE. 2015-12-27T00:50:28.89 0.3 undecidable manual S 331 3.8961 167 -0.02 76
IV.OFFI.HHE. 2015-12-27T00:50:28.59 1.0 undecidable manual P 140 24.6531 121 0.39 23
IV.CSP1.EHZ. 2015-12-27T00:50:27.88 0.1 negative manual P 266 23.3544 123 -0.15 96
IV.MNTP.HNE. 2015-12-27T00:50:26.04 0.1 positive manual P 331 3.8961 167 -0.19 99
IV.GUMA.HHZ. 2015-12-27T00:50:26.85 0.1 negative manual P 249 13.6752 140 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.00002225 1.4 AML other m 2015-12-27T00:50:36.41
IV.FDMO.HHE. ML:0.9 0.00002835 1.44 AML other m 2015-12-27T00:50:36.03
IV.GUMA.HNE. ML:1.8 0.0004725 1.6 AML other m 2015-12-27T00:51:16.24
IV.GUMA.HNN. ML:2.1 0.000929 1.58 AML other m 2015-12-27T00:51:18.33
IV.GUMA.HHN. ML:1.7 0.00032900000000000003 0.22 AML other m 2015-12-27T00:50:30.37
IV.GUMA.HHE. ML:1.4 0.00016700000000000002 0.38 AML other m 2015-12-27T00:50:31.03
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