Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-12-2021 and time 11:15:16 (UTC) in region 3 km SE Tolentino (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Tolentino (MC), on

  • 21-12-2021 11:15:16 (UTC)
  • 21-12-2021 12:15:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1910, 13.3130 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
Tolentino MC 3 20069 20069
Colmurano MC 5 1263 21332
Urbisaglia MC 5 2628 23960
Belforte del Chienti MC 7 1886 25846
Ripe San Ginesio MC 7 852 26698
Camporotondo di Fiastrone MC 8 563 27261
Loro Piceno MC 9 2401 29662
Caldarola MC 9 1823 31485
San Ginesio MC 9 3498 34983
Pollenza MC 9 6618 41601
Serrapetrona MC 10 966 42567
Cessapalombo MC 10 512 43079
San Severino Marche MC 12 12726 55805
Sant'Angelo in Pontano MC 12 1436 57241
Petriolo MC 13 1998 59239
Treia MC 14 9403 68642
Mogliano MC 14 4696 73338
Gualdo MC 14 815 74153
Massa Fermana FM 14 963 75116
Montappone FM 14 1682 76798
Monte Vidon Corrado FM 16 731 77529
Falerone FM 16 3337 80866
Macerata MC 17 42473 123339
Corridonia MC 17 15430 138769
Sarnano MC 17 3264 142033
Penna San Giovanni MC 17 1108 143141
Francavilla d'Ete FM 19 964 144105
Servigliano FM 19 2336 146441
Montegiorgio FM 20 6851 153292
Appignano MC 20 4213 157505

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km SW of Ancona (100861 inhabitants)
56 Km E of Foligno (57155 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
76 Km E of Perugia (166134 inhabitants)
76 Km SE of Fano (60888 inhabitants)
86 Km SE of Pesaro (94582 inhabitants)
89 Km NE of Terni (111501 inhabitants)
94 Km N of L'Aquila (69753 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 2.0 2021-12-21
11:15:16		 43.1907 13.3128 25 2022-03-30
13:04:31		 Bollettino Sismico Italiano INGV 99869651
Reviewed
Rev100 		ML 2.0 2021-12-21
11:15:16		 43.1897 13.3155 26 2021-12-21
11:22:38		 Sala Sismica INGV-Roma 98787011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-21 11:15:16 ± 0.13
Latitude 43.1907 ± 0.0045
Longitude 13.3128 ± 0.0062
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 99869651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 436
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 52
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66640
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 99869651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-06 09:54:31

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 98787011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-21 11:22:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGAL.EHZ. 2021-12-21T11:16:48.66 3.0 undecidable manual Sn 5.1 0
IV.ZEN8.EHZ. 2021-12-21T11:16:40.07 3.0 undecidable manual Sn -0.21 0
IV.TREG.EHZ. 2021-12-21T11:16:02.56 3.0 positive manual Pn 2.65 0
IV.BRSN.EHZ. 2021-12-21T11:15:59.15 3.0 undecidable manual Sn -0.67 0
IV.RIBO.EHZ.01 2021-12-21T11:15:49.93 3.0 undecidable manual Pg 5.77 0
IV.IMOL.HNZ. 2021-12-21T11:15:44.91 3.0 undecidable manual Pn 1.07 0
IV.LAV9.HNZ. 2021-12-21T11:15:43.14 3.0 undecidable manual Pn 0.4 0
IV.GIUL.HHZ. 2021-12-21T11:15:41.66 3.0 positive manual Pn -1.87 0
IV.MOMA.HHZ. 2021-12-21T11:15:39.78 0.6 undecidable manual S 235 73.9704 103 0.79 36
IV.TERO.HHZ. 2021-12-21T11:15:38.14 0.6 undecidable manual S 159 67.2771 104 0.89 34
IV.GAVE.EHZ. 2021-12-21T11:15:37.17 0.6 undecidable manual S 212 64.8906 105 0.53 40
IV.MURB.HHZ. 2021-12-21T11:15:37.84 0.6 undecidable manual S 277 64.1913 105 1.38 28
IV.SMA1.EHZ. 2021-12-21T11:15:36.20 0.6 undecidable manual S 178 62.1933 105 0.27 43
IV.ASSB.HHZ. 2021-12-21T11:15:34.45 0.6 undecidable manual S 253 55.5 107 0.23 44
IV.SSFR.HHZ. 2021-12-21T11:15:33.78 0.6 undecidable manual S 303 50.8158 109 0.76 38
IV.CESI.HHZ. 2021-12-21T11:15:30.26 0.6 undecidable manual S 238 38.9277 116 0.15 46
IV.NRCA.HHZ. 2021-12-21T11:15:30.85 0.6 undecidable manual S 202 42.7239 113 -0.18 46
IV.MOMA.HHZ. 2021-12-21T11:15:29.31 0.3 undecidable manual P 235 73.9704 103 -0.13 65
IV.GAVE.EHZ. 2021-12-21T11:15:28.01 0.1 positive manual P 212 64.8906 105 -0.07 90
IV.MURB.HHZ. 2021-12-21T11:15:28.31 0.3 undecidable manual P 277 64.1913 105 0.33 64
IV.MC2.EHZ. 2021-12-21T11:15:28.67 0.3 undecidable manual S 198 32.5452 121 0.06 71
IV.SNTG.HHZ. 2021-12-21T11:15:28.42 0.3 undecidable manual S 283 30.9468 123 0.19 70
IV.TERO.HHZ. 2021-12-21T11:15:28.57 0.6 undecidable manual P 159 67.2771 104 0.14 44
IV.MMO1.EHZ. 2021-12-21T11:15:28.30 0.1 undecidable manual S 178 32.3454 121 -0.25 92
IV.FEMA.HNE. 2021-12-21T11:15:28.97 0.6 undecidable manual S 220 33.1446 120 0.23 46
IV.MNTT.EHZ. 2021-12-21T11:15:28.34 0.6 undecidable manual S 122 26.9508 127 0.97 36
IV.MML1.EHZ. 2021-12-21T11:15:28.10 0.1 undecidable manual S 253 28.9488 125 0.31 91
IV.MF5.EHZ. 2021-12-21T11:15:27.60 0.1 undecidable manual S 152 25.4523 129 0.56 85
IV.SMA1.EHZ. 2021-12-21T11:15:27.36 0.3 undecidable manual P 178 62.1933 105 -0.31 65
IV.EL6.EHZ. 2021-12-21T11:15:26.77 0.6 undecidable manual S 312 22.9548 132 0.23 47
IV.ASSB.HHZ. 2021-12-21T11:15:26.34 0.3 undecidable manual P 253 55.5 107 -0.34 65
IV.SSFR.HHZ. 2021-12-21T11:15:26.17 0.3 undecidable manual P 303 50.8158 109 0.18 68
IV.CING.HHZ. 2021-12-21T11:15:26.50 0.1 undecidable manual S 335 22.5552 132 0.03 98
IV.FDMO.HHZ. 2021-12-21T11:15:26.80 0.1 undecidable manual S 227 25.0527 129 -0.16 95
IV.GAG1.HNE. 2021-12-21T11:15:26.06 0.6 undecidable manual S 285 20.5683 136 -0.01 49
IV.GUMA.HHZ. 2021-12-21T11:15:25.10 0.1 undecidable manual S 173 14.2746 146 0.08 98
IV.CESI.HHZ. 2021-12-21T11:15:24.13 0.1 negative manual P 238 38.9277 116 -0.18 92
IV.MDAR.HNN. 2021-12-21T11:15:24.73 0.6 undecidable manual S 271 13.7751 147 -0.21 48
IV.SAP2.EHZ. 2021-12-21T11:15:24.85 0.6 undecidable manual S 146 12.5763 150 0.08 49
IV.TRE1.HNE. 2021-12-21T11:15:24.99 0.6 undecidable manual S 360 13.3755 148 0.1 49
IV.PF6.EHN. 2021-12-21T11:15:24.16 0.3 undecidable manual S 239 11.2776 153 -0.45 69
IV.NRCA.HHZ. 2021-12-21T11:15:24.46 0.1 negative manual P 202 42.7239 113 -0.38 88
IV.CSP1.EHZ. 2021-12-21T11:15:24.80 0.6 undecidable manual S 219 14.0748 147 -0.18 48
IV.FEMA.HNE. 2021-12-21T11:15:23.37 0.3 undecidable manual P 220 33.1446 120 -0.14 70
IV.SNTG.HHZ. 2021-12-21T11:15:23.17 0.3 undecidable manual P 283 30.9468 123 -0.05 72
IV.MC2.EHZ. 2021-12-21T11:15:23.13 0.1 negative manual P 198 32.5452 121 -0.31 91
IV.MF5.EHZ. 2021-12-21T11:15:22.47 0.1 positive manual P 152 25.4523 129 -0.07 97
IV.FDMO.HHZ. 2021-12-21T11:15:22.17 0.1 negative manual P 227 25.0527 129 -0.32 92
IV.GAG1.HNE. 2021-12-21T11:15:22.74 0.3 undecidable manual P 285 20.5683 136 0.76 60
IV.MNTT.EHZ. 2021-12-21T11:15:22.90 0.1 positive manual P 122 26.9508 127 0.17 94
IV.EL6.EHZ. 2021-12-21T11:15:22.20 0.1 positive manual P 312 22.9548 132 -0.05 97
IV.CING.HHZ. 2021-12-21T11:15:22.09 0.1 positive manual P 335 22.5552 132 -0.12 96
IV.MML1.EHZ. 2021-12-21T11:15:22.80 0.1 negative manual P 253 28.9488 125 -0.17 94
IV.MMO1.EHZ. 2021-12-21T11:15:22.99 0.1 positive manual P 178 32.3454 121 -0.42 89
IV.TRE1.HNE. 2021-12-21T11:15:21.18 0.3 undecidable manual P 360 13.3755 148 -0.11 73
IV.CSP1.EHZ. 2021-12-21T11:15:21.07 0.1 positive manual P 219 14.0748 147 -0.28 94
IV.MDAR.HNN. 2021-12-21T11:15:21.05 0.3 undecidable manual P 271 13.7751 147 -0.27 71
IV.GUMA.HHZ. 2021-12-21T11:15:21.23 0.1 negative manual P 173 14.2746 146 -0.14 97
IV.SAP2.EHZ. 2021-12-21T11:15:21.22 0.1 positive manual P 146 12.5763 150 -0.01 100
IV.PF6.EHN. 2021-12-21T11:15:20.75 0.1 negative manual P 239 11.2776 153 -0.38 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:2.0 0.000597 1.72 AML other m 2021-12-21T11:15:25.02
IV.GUMA.HHN. ML:2.2 0.0009125 0.22 AML other m 2021-12-21T11:15:25.28
IV.SAP2.EHE. ML:1.8 0.00039 0.5 AML other m 2021-12-21T11:15:25.46
IV.GUMA.HHE. ML:2.3 0.00121 0.56 AML other m 2021-12-21T11:15:25.47
IV.CSP1.EHE. ML:2.0 0.000515 0.32 AML other m 2021-12-21T11:15:25.65
IV.SAP2.EHN. ML:2.5 0.001845 0.48 AML other m 2021-12-21T11:15:26.00
IV.FDMO.HHE. ML:1.6 0.0001705 0.18 AML other m 2021-12-21T11:15:26.91
IV.CING.HHN. ML:1.7 0.000212 1.22 AML other m 2021-12-21T11:15:26.83
IV.CING.HHE. ML:1.5 0.0001535 1.18 AML other m 2021-12-21T11:15:26.95
IV.FDMO.HHN. ML:1.6 0.00017099999999999998 1.86 AML other m 2021-12-21T11:15:27.03
IV.EL6.EHE. ML:2.0 0.000464 0.26 AML other m 2021-12-21T11:15:27.12
IV.EL6.EHN. ML:1.9 0.000361 1.32 AML other m 2021-12-21T11:15:27.15
IV.MF5.EHE. ML:2.2 0.0007239999999999999 0.38 AML other m 2021-12-21T11:15:27.79
IV.MF5.EHN. ML:2.0 0.00040649999999999996 0.38 AML other m 2021-12-21T11:15:27.79
IV.MML1.HNN. ML:2.1 0.000497 0.22 AML other m 2021-12-21T11:15:28.40
IV.MML1.EHN. ML:2.1 0.000513 0.22 AML other m 2021-12-21T11:15:28.40
IV.MML1.EHE. ML:2.0 0.00038 0.2 AML other m 2021-12-21T11:15:28.40
IV.MML1.HNE. ML:2.0 0.0003705 0.2 AML other m 2021-12-21T11:15:28.40
IV.MNTT.EHE. ML:2.4 0.0009695 0.32 AML other m 2021-12-21T11:15:28.60
IV.MNTT.EHN. ML:2.4 0.0009375 0.72 AML other m 2021-12-21T11:15:28.98
IV.SNTG.HHE. ML:1.6 0.0001395 0.16 AML other m 2021-12-21T11:15:28.74
IV.SNTG.HHN. ML:2.0 0.000357 0.24 AML other m 2021-12-21T11:15:28.57
IV.MMO1.EHE. ML:2.3 0.0007105 0.48 AML other m 2021-12-21T11:15:28.58
IV.MMO1.EHN. ML:2.3 0.0006935 0.36 AML other m 2021-12-21T11:15:28.71
IV.CESI.HHN. ML:1.6 0.00011185000000000001 0.48 AML other m 2021-12-21T11:15:30.51
IV.CESI.HHE. ML:1.4 0.0000765 0.66 AML other m 2021-12-21T11:15:30.79
IV.NRCA.HHE. ML:2.1 0.000338 0.14 AML other m 2021-12-21T11:15:31.72
IV.NRCA.HHN. ML:2.1 0.00033600000000000004 0.12 AML other m 2021-12-21T11:15:32.65
IV.ASSB.HHN. ML:1.9 0.00015099999999999998 1.72 AML other m 2021-12-21T11:15:34.93
IV.SSFR.HHE. ML:1.9 0.000188 0.2 AML other m 2021-12-21T11:15:35.27
IV.ASSB.HHE. ML:1.7 0.00009645 1.06 AML other m 2021-12-21T11:15:35.91
IV.SSFR.HHN. ML:1.8 0.000141 0.88 AML other m 2021-12-21T11:15:35.75
IV.GAVE.EHE. ML:2.1 0.00023249999999999999 1.08 AML other m 2021-12-21T11:15:37.20
IV.GAVE.EHN. ML:2.1 0.00023050000000000002 0.2 AML other m 2021-12-21T11:15:38.36
IV.MURB.HHN. ML:2.0 0.0001575 0.18 AML other m 2021-12-21T11:15:38.38
IV.MURB.HHE. ML:2.2 0.000288 0.24 AML other m 2021-12-21T11:15:38.48
IV.MOMA.HHN. ML:1.6 0.0000605 0.24 AML other m 2021-12-21T11:15:40.98
IV.SMA1.EHE. ML:1.7 0.0000923 1.14 AML other m 2021-12-21T11:15:40.98
IV.MOMA.HHE. ML:1.5 0.00005105 1.04 AML other m 2021-12-21T11:15:41.12
IV.SMA1.EHN. ML:1.6 0.00007439999999999999 0.64 AML other m 2021-12-21T11:15:42.14
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