Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 14-12-2021 and time 06:34:50 (Italy) in region 1 km SW Sarnano (MC)

A magnitude ML 2.2 earthquake occured in region: 1 km SW Sarnano (MC), on

  • 14-12-2021 05:34:50 (UTC)
  • 14-12-2021 06:34:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0320, 13.2990 at 26 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
Sarnano MC 1 3264 3264
Gualdo MC 5 815 4079
Bolognola MC 7 142 4221
Amandola FM 7 3629 7850
San Ginesio MC 9 3498 11348
Cessapalombo MC 9 512 11860
Acquacanina MC 10 121 11981
Montefortino FM 10 1178 13159
Penna San Giovanni MC 11 1108 14267
Sant'Angelo in Pontano MC 11 1436 15703
Camporotondo di Fiastrone MC 12 563 16266
Monte San Martino MC 12 765 17031
Fiastra MC 12 559 17590
Smerillo FM 12 365 17955
Comunanza AP 13 3166 21121
Caldarola MC 13 1823 22944
Ripe San Ginesio MC 14 852 23796
Montefalcone Appennino FM 14 424 24220
Montemonaco AP 15 604 24824
Colmurano MC 16 1263 26087
Belforte del Chienti MC 16 1886 27973
Santa Vittoria in Matenano FM 16 1330 29303
Ussita MC 16 444 29747
Falerone FM 17 3337 33084
Servigliano FM 17 2336 35420
Fiordimonte MC 17 202 35622
Force AP 17 1354 36976
Pievebovigliana MC 18 866 37842
Loro Piceno MC 18 2401 40243
Montappone FM 18 1682 41925
Monte Vidon Corrado FM 18 731 42656
Serrapetrona MC 19 966 43622
Monteleone di Fermo FM 19 395 44017
Castelsantangelo sul Nera MC 19 281 44298
Montelparo FM 19 778 45076
Urbisaglia MC 20 2628 47704
Palmiano AP 20 196 47900
Massa Fermana FM 20 963 48863
Tolentino MC 20 20069 68932

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
68 Km S of Ancona (100861 inhabitants)
74 Km E of Perugia (166134 inhabitants)
75 Km NE of Terni (111501 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
93 Km S of Fano (60888 inhabitants)
98 Km NW 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 2.2 2021-12-14
05:34:50		 43.032 13.2992 26 2022-03-30
13:04:24		 Bollettino Sismico Italiano INGV 99047571
Reviewed
Rev100 		ML 2.2 2021-12-14
05:34:50		 43.0295 13.298 26 2021-12-14
05:50:49		 Sala Sismica INGV-Roma 98487691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-14 05:34:50 ± 0.13
Latitude 43.0320 ± 0.0045
Longitude 13.2992 ± 0.0062
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99047571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.34354
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 98487691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-14 05:50:49

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 99047571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-27 07:41:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2021-12-14T05:35:04.27 0.6 undecidable manual S 311 38.1285 118 0.44 59
IV.CESI.HHZ. 2021-12-14T05:35:02.85 0.6 undecidable manual S 265 32.1456 123 0.4 60
IV.NRCA.HHZ. 2021-12-14T05:35:01.30 0.3 undecidable manual S 214 26.6511 128 0.05 98
IV.MDAR.HNZ. 2021-12-14T05:35:00.10 0.6 undecidable manual S 325 21.867 135 -0.2 64
IT.MTCL.HGZ. 2021-12-14T05:35:00.88 0.6 undecidable manual S 260 24.6531 131 0.03 66
IV.FDMO.HHZ. 2021-12-14T05:34:59.16 0.6 undecidable manual S 272 17.1717 142 -0.31 63
IV.MC2.EHZ. 2021-12-14T05:34:59.55 0.6 undecidable manual S 214 16.0728 144 0.25 64
IV.MMO1.EHZ. 2021-12-14T05:34:58.92 0.6 undecidable manual S 171 14.874 146 -0.19 65
IV.GUMA.HHZ. 2021-12-14T05:34:58.20 0.6 undecidable manual S 41 4.4955 169 0.15 66
IV.PF6.EHN. 2021-12-14T05:34:58.64 0.6 undecidable manual S 324 14.4744 147 -0.41 62
IV.CSP1.EHZ. 2021-12-14T05:34:58.34 0.6 undecidable manual S 311 10.0788 156 -0.16 66
IV.SAP2.EHZ. 2021-12-14T05:34:58.72 0.6 undecidable manual S 48 10.7781 155 0.14 66
IV.CESI.HHZ. 2021-12-14T05:34:57.33 0.3 undecidable manual P 265 32.1456 123 0.06 97
IV.SNTG.HHZ. 2021-12-14T05:34:57.99 0.3 undecidable manual P 311 38.1285 118 -0.08 95
IV.NRCA.HHZ. 2021-12-14T05:34:56.56 0.3 undecidable manual P 214 26.6511 128 -0.02 98
IT.MTCL.HGZ. 2021-12-14T05:34:56.33 0.3 undecidable manual P 260 24.6531 131 -0.02 98
IV.SAP2.EHZ. 2021-12-14T05:34:55.22 0.6 undecidable manual P 48 10.7781 155 0.18 65
IV.MNTP.HNZ. 2021-12-14T05:34:55.89 0.6 undecidable manual P 50 18.0708 141 0.25 63
IV.MMO1.EHZ. 2021-12-14T05:34:55.24 0.3 undecidable manual P 171 14.874 146 -0.11 99
IV.FDMO.HHZ. 2021-12-14T05:34:55.42 0.3 undecidable manual P 272 17.1717 142 -0.13 98
IV.MDAR.HNZ. 2021-12-14T05:34:55.90 0.6 undecidable manual P 325 21.867 135 -0.13 65
IV.PF6.EHN. 2021-12-14T05:34:55.11 0.3 undecidable manual P 324 14.4744 147 -0.2 97
IV.MC2.EHZ. 2021-12-14T05:34:55.64 0.3 undecidable manual P 214 16.0728 144 0.19 97
IV.GUMA.HHZ. 2021-12-14T05:34:54.85 0.3 undecidable manual P 41 4.4955 169 0.12 100
IV.CSP1.EHZ. 2021-12-14T05:34:54.89 0.3 undecidable manual P 311 10.0788 156 -0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:2.6 0.002228407 0.32 AML other m 2021-12-14T05:34:58.46
IV.GUMA.HHN. ML:2.5 0.0017658205 0.32 AML other m 2021-12-14T05:34:58.36
IV.CSP1.EHE. ML:2.2 0.0008727439499999999 0.1408 AML other m 2021-12-14T05:34:58.63
IV.GUMA.HNE. ML:2.6 0.002295112 0.4 AML other m 2021-12-14T05:34:58.49
IV.CSP1.EHN. ML:2.3 0.00104791705 0.0768 AML other m 2021-12-14T05:34:58.77
IV.MMO1.EHN. ML:2.0 0.0004855199 0.1408 AML other m 2021-12-14T05:34:59.06
IV.FDMO.HHE. ML:2.0 0.00056814555 0.2208 AML other m 2021-12-14T05:34:59.34
IV.FDMO.HHN. ML:1.9 0.0003616129 0.16 AML other m 2021-12-14T05:34:59.40
IV.MC2.EHE. ML:2.3 0.00105478295 0.1792 AML other m 2021-12-14T05:34:59.81
IV.SAP2.EHE. ML:2.2 0.0008017073 0.1184 AML other m 2021-12-14T05:34:59.85
IV.MMO1.HNN. ML:2.9 0.00417369975 0.608 AML other m 2021-12-14T05:34:59.00
IV.MDAR.HNE. ML:1.9 0.00032564145 0.24 AML other m 2021-12-14T05:35:00.25
IV.MDAR.HNN. ML:1.8 0.0003101507 0.2784 AML other m 2021-12-14T05:35:00.52
IV.MC2.EHN. ML:2.4 0.0011479596 0.1792 AML other m 2021-12-14T05:35:01.01
IV.NRCA.HNE. ML:2.3 0.0007966241 0.0992 AML other m 2021-12-14T05:35:01.47
IV.NRCA.HHE. ML:2.3 0.0008721153999999999 0.0992 AML other m 2021-12-14T05:35:01.47
IV.NRCA.HNN. ML:2.2 0.0007332708 0.1408 AML other m 2021-12-14T05:35:02.28
IV.NRCA.HHN. ML:2.2 0.00074619135 0.1408 AML other m 2021-12-14T05:35:02.28
IV.CESI.HHN. ML:2.1 0.00042279875 0.2208 AML other m 2021-12-14T05:35:03.72
IV.CESI.HNN. ML:2.1 0.00042296710000000004 0.2304 AML other m 2021-12-14T05:35:03.72
IV.CESI.HHE. ML:2.0 0.0003722918 0.1024 AML other m 2021-12-14T05:35:03.64
IV.SNTG.HHE. ML:1.8 0.00019266327 0.2784 AML other m 2021-12-14T05:35:04.54
IV.SNTG.HNE. ML:1.9 0.000216811395 0.288 AML other m 2021-12-14T05:35:04.54
IV.SNTG.HHN. ML:2.0 0.00030009015 0.2784 AML other m 2021-12-14T05:35:04.57
IV.SNTG.HNN. ML:2.0 0.00028840595000000004 0.2784 AML other m 2021-12-14T05:35:04.57
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