Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 27-12-2019 and time 23:18:29 (UTC) in region 3 km E Force (AP)

A magnitude ML 2.1 earthquake occured in region: 3 km E Force (AP), on

  • 27-12-2019 23:18:29 (UTC)
  • 28-12-2019 00:18:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9760, 13.5300 at 25 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
Force AP 3 1354 1354
Rotella AP 3 906 2260
Montedinove AP 5 488 2748
Montelparo FM 5 778 3526
Santa Vittoria in Matenano FM 6 1330 4856
Montefalcone Appennino FM 6 424 5280
Montalto delle Marche AP 7 2122 7402
Monte Rinaldo FM 7 379 7781
Smerillo FM 8 365 8146
Monteleone di Fermo FM 8 395 8541
Castignano AP 9 2796 11337
Ortezzano FM 9 774 12111
Comunanza AP 10 3166 15277
Monte San Martino MC 10 765 16042
Palmiano AP 10 196 16238
Monsampietro Morico FM 11 659 16897
Montottone FM 11 979 17876
Venarotta AP 11 2066 19942
Monte Vidon Combatte FM 12 433 20375
Servigliano FM 12 2336 22711
Penna San Giovanni MC 13 1108 23819
Cossignano AP 13 978 24797
Belmonte Piceno FM 13 646 25443
Roccafluvione AP 13 2010 27453
Offida AP 14 5058 32511
Appignano del Tronto AP 14 1785 34296
Carassai AP 14 1100 35396
Ascoli Piceno AP 14 49407 84803
Amandola FM 14 3629 88432
Petritoli FM 15 2335 90767
Monte Giberto FM 15 801 91568
Falerone FM 16 3337 94905
Montefortino FM 16 1178 96083
Grottazzolina FM 16 3398 99481
Monte Vidon Corrado FM 17 731 100212
Montegiorgio FM 17 6851 107063
Ponzano di Fermo FM 18 1674 108737
Sant'Angelo in Pontano MC 18 1436 110173
Castorano AP 18 2380 112553
Montappone FM 19 1682 114235
Montemonaco AP 19 604 114839
Gualdo MC 19 815 115654
Magliano di Tenna FM 19 1452 117106
Castel di Lama AP 19 8634 125740
Folignano AP 19 9241 134981
Ripatransone AP 19 4309 139290
Monterubbiano FM 20 2230 141520
Sarnano MC 20 3264 144784
Montefiore dell'Aso AP 20 2123 146907
Massa Fermana FM 20 963 147870

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Teramo (54892 inhabitants)
67 Km E of Foligno (57155 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
71 Km S of Ancona (100861 inhabitants)
72 Km NW of Montesilvano (53738 inhabitants)
80 Km NW of Pescara (121014 inhabitants)
86 Km NE of Terni (111501 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
94 Km E of Perugia (166134 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 2.1 2019-12-27
23:18:29		 42.9757 13.5303 25 2020-02-28
16:42:28		 Bollettino Sismico Italiano INGV 76803201
Reviewed
Rev100 		ML 2.0 2019-12-27
23:18:29		 42.9808 13.5482 25 2019-12-27
23:24:23		 Sala Sismica INGV-Roma 75026311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-27 23:18:29 ± 0.13
Latitude 42.9757 ± 0.0054
Longitude 13.5303 ± 0.0086
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76803201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 626
Semi-minor axis of confidence ellipse (meter) 346
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.64571
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 76803201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-25 15:07:04

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 75026311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-27 23:24:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2019-12-27T23:18:48.68 0.6 undecidable manual S 303 56.8986 107 0.6 41
IV.EL6.EHZ. 2019-12-27T23:18:47.66 0.6 undecidable manual S 319 52.4031 109 0.74 38
IV.CESI.HHZ. 2019-12-27T23:18:47.43 0.6 undecidable manual S 274 50.9157 109 0.89 37
IV.SMA1.EHZ. 2019-12-27T23:18:44.47 0.6 undecidable manual S 203 41.4252 114 0.27 45
IV.FDMO.HHZ. 2019-12-27T23:18:43.25 0.6 undecidable manual S 281 36.5412 118 0.22 46
IV.NRCA.HHZ. 2019-12-27T23:18:43.66 0.6 undecidable manual S 245 37.3293 117 0.45 44
IV.FOSV.EHZ. 2019-12-27T23:18:42.60 0.3 undecidable manual P 300 71.6727 103 0.04 67
IV.CSP1.EHZ. 2019-12-27T23:18:41.46 0.6 undecidable manual S 296 29.3484 124 0.08 48
IV.MC2.EHZ. 2019-12-27T23:18:41.61 0.6 undecidable manual S 256 28.6491 125 0.39 45
IV.SNTG.HHZ. 2019-12-27T23:18:40.28 0.3 undecidable manual P 303 56.8986 107 -0.1 68
IV.LNSS.HHZ. 2019-12-27T23:18:40.53 0.3 undecidable manual P 224 57.498 107 0.08 68
IV.RM33.EHZ. 2019-12-27T23:18:40.50 0.3 undecidable manual P 207 57.7977 107 -0.01 69
IV.MTRA.EHZ. 2019-12-27T23:18:40.60 0.1 undecidable manual S 204 26.6511 127 -0.19 94
IV.CESI.HHZ. 2019-12-27T23:18:39.59 0.3 undecidable manual P 274 50.9157 109 0.1 69
IV.SAP2.EHZ. 2019-12-27T23:18:39.02 0.1 undecidable manual S 322 17.1717 141 0.05 98
IV.MNTP.HNZ. 2019-12-27T23:18:39.16 0.3 undecidable manual S 345 18.5703 139 -0.07 74
IV.GUMA.HHZ. 2019-12-27T23:18:39.26 0.1 undecidable manual S 301 18.5703 139 0.05 98
IV.MMO1.EHZ. 2019-12-27T23:18:39.05 0.1 undecidable manual S 243 18.5703 139 -0.17 95
IV.EL6.EHZ. 2019-12-27T23:18:39.52 0.3 undecidable manual P 319 52.4031 109 -0.19 67
IV.OFFI.HHZ. 2019-12-27T23:18:39.54 0.6 undecidable manual S 110 13.3755 148 1.15 33
IV.TRTR.HHE. 2019-12-27T23:18:38.72 0.3 undecidable manual P 121 36.2415 118 1.29 43
IV.MNTT.EHZ. 2019-12-27T23:18:38.03 0.1 undecidable manual S 29 10.9779 153 -0.05 100
IV.FDMO.HHZ. 2019-12-27T23:18:37.29 0.1 undecidable manual P 281 36.5412 118 -0.18 92
IV.MF5.EHZ. 2019-12-27T23:18:37.52 0.1 undecidable manual S 283 5.8941 165 -0.08 100
IV.NRCA.HHZ. 2019-12-27T23:18:37.52 0.1 positive manual P 245 37.3293 117 -0.04 95
IV.SMA1.EHZ. 2019-12-27T23:18:37.91 0.1 undecidable manual P 203 41.4252 114 -0.23 91
IV.CADA.HNE. 2019-12-27T23:18:36.72 0.3 undecidable manual P 38 30.6471 123 0.04 71
IV.CSP1.EHZ. 2019-12-27T23:18:36.32 0.1 positive manual P 296 29.3484 124 -0.19 93
IV.MC2.EHZ. 2019-12-27T23:18:36.41 0.1 undecidable manual P 256 28.6491 125 -0.01 97
IV.GUMA.HHZ. 2019-12-27T23:18:35.10 0.1 positive manual P 301 18.5703 139 -0.16 96
IV.MMO1.EHZ. 2019-12-27T23:18:35.02 0.1 undecidable manual P 243 18.5703 139 -0.24 94
IV.MTRA.EHZ. 2019-12-27T23:18:35.92 0.3 undecidable manual P 204 26.6511 127 -0.25 70
IV.OFFI.HHZ. 2019-12-27T23:18:34.80 0.1 undecidable manual P 110 13.3755 148 0.01 98
IV.MF5.EHZ. 2019-12-27T23:18:34.05 0.1 undecidable manual P 283 5.8941 165 -0.28 96
IV.SAP2.EHZ. 2019-12-27T23:18:34.93 0.1 positive manual P 322 17.1717 141 -0.19 96
IV.MNTT.EHZ. 2019-12-27T23:18:34.35 0.1 positive manual P 29 10.9779 153 -0.25 96
IV.MNTP.HNZ. 2019-12-27T23:18:34.95 0.1 positive manual P 345 18.5703 139 -0.31 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:2.1 0.0007755 0.28 AML other m 2019-12-27T23:18:37.76
IV.MF5.EHE. ML:2.4 0.0014500000000000001 0.44 AML other m 2019-12-27T23:18:37.55
IV.MNTT.EHN. ML:2.8 0.0032749999999999997 0.24 AML other m 2019-12-27T23:18:38.27
IV.MNTP.HNN. ML:2.6 0.0020700000000000002 0.14 AML other m 2019-12-27T23:18:39.23
IV.MNTP.HNE. ML:2.5 0.001625 1.24 AML other m 2019-12-27T23:18:39.28
IV.SAP2.EHE. ML:2.4 0.0013900000000000002 0.16 AML other m 2019-12-27T23:18:39.32
IV.SAP2.EHN. ML:2.9 0.0042699999999999995 0.2 AML other m 2019-12-27T23:18:39.46
IV.GUMA.HHE. ML:2.6 0.0020299999999999997 0.24 AML other m 2019-12-27T23:18:39.38
IV.GUMA.HNE. ML:2.4 0.0013599999999999999 0.38 AML other m 2019-12-27T23:18:39.36
IV.GUMA.HHN. ML:2.4 0.001425 0.24 AML other m 2019-12-27T23:18:39.46
IV.GUMA.HNN. ML:2.4 0.001445 0.76 AML other m 2019-12-27T23:18:39.46
IV.MNTT.EHE. ML:2.7 0.0028399999999999996 1.68 AML other m 2019-12-27T23:18:39.15
IV.OFFI.HHE. ML:2.4 0.001295 1.5 AML other m 2019-12-27T23:18:40.81
IV.OFFI.HHN. ML:2.3 0.0010750000000000002 0.52 AML other m 2019-12-27T23:18:40.54
IV.MTRA.HNE. ML:2.1 0.000515 0.46 AML other m 2019-12-27T23:18:41.11
IV.MTRA.EHE. ML:2.0 0.0004385 0.16 AML other m 2019-12-27T23:18:41.11
IV.MTRA.HNN. ML:1.9 0.000314 1.44 AML other m 2019-12-27T23:18:41.19
IV.MTRA.EHN. ML:2.0 0.000363 1.44 AML other m 2019-12-27T23:18:41.19
IV.CSP1.EHN. ML:1.9 0.0002895 0.18 AML other m 2019-12-27T23:18:41.56
IV.CSP1.EHE. ML:2.1 0.0004355 0.2 AML other m 2019-12-27T23:18:41.64
IV.FDMO.HHE. ML:1.8 0.0001865 0.46 AML other m 2019-12-27T23:18:43.57
IV.FDMO.HHN. ML:1.9 0.000247 0.2 AML other m 2019-12-27T23:18:43.63
IV.NRCA.HHE. ML:2.2 0.000506 1.84 AML other m 2019-12-27T23:18:44.04
IV.NRCA.HHN. ML:2.2 0.000481 0.14 AML other m 2019-12-27T23:18:44.10
IV.SMA1.EHN. ML:1.8 0.0001715 0.56 AML other m 2019-12-27T23:18:47.28
IV.SMA1.EHE. ML:1.7 0.00014549999999999999 0.62 AML other m 2019-12-27T23:18:47.40
IV.CESI.HHN. ML:1.8 0.00015849999999999998 0.32 AML other m 2019-12-27T23:18:47.71
IV.CESI.HHE. ML:1.6 0.00009920000000000001 0.74 AML other m 2019-12-27T23:18:47.56
IV.SNTG.HHE. ML:1.6 0.0000804 0.54 AML other m 2019-12-27T23:18:49.11
IV.SNTG.HHN. ML:1.9 0.000164 0.18 AML other m 2019-12-27T23:18:49.05
IV.EL6.EHN. ML:1.7 0.000118 0.64 AML other m 2019-12-27T23:18:49.61
IV.LNSS.HHE. ML:1.9 0.000155 0.22 AML other m 2019-12-27T23:18:51.28
IV.EL6.EHE. ML:1.7 0.0001205 0.22 AML other m 2019-12-27T23:18:52.39
IV.LNSS.HHN. ML:1.9 0.00017199999999999998 0.3 AML other m 2019-12-27T23:18:52.45
IV.FOSV.EHE. ML:1.9 0.00011280000000000002 0.3 AML other m 2019-12-27T23:18:53.42
IV.FOSV.EHN. ML:1.6 0.00005325 0.72 AML other m 2019-12-27T23:18:53.52
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
Waveforms Seismic signals in miniseed + resp format Download