Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 21-05-2020 and time 01:13:23 (UTC) in region 3 km SW Caldarola (MC)

A magnitude ML 1.9 earthquake occured in region: 3 km SW Caldarola (MC), on

  • 21-05-2020 01:13:23 (UTC)
  • 21-05-2020 03:13:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1190, 13.1980 at 7 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Caldarola MC 3 1823 1823
Cessapalombo MC 5 512 2335
Camporotondo di Fiastrone MC 6 563 2898
Belforte del Chienti MC 6 1886 4784
Serrapetrona MC 7 966 5750
Fiastra MC 10 559 6309
San Ginesio MC 10 3498 9807
Acquacanina MC 10 121 9928
Camerino MC 11 6974 16902
Pievebovigliana MC 11 866 17768
Tolentino MC 12 20069 37837
San Severino Marche MC 12 12726 50563
Sarnano MC 13 3264 53827
Fiordimonte MC 13 202 54029
Gualdo MC 13 815 54844
Muccia MC 13 915 55759
Colmurano MC 14 1263 57022
Bolognola MC 14 142 57164
Ripe San Ginesio MC 14 852 58016
Pieve Torina MC 15 1458 59474
Castelraimondo MC 15 4587 64061
Sant'Angelo in Pontano MC 16 1436 65497
Urbisaglia MC 17 2628 68125
Gagliole MC 17 620 68745
Pioraco MC 19 1134 69879
Loro Piceno MC 19 2401 72280
Penna San Giovanni MC 20 1108 73388
Amandola FM 20 3629 77017
Ussita MC 20 444 77461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
61 Km SW of Ancona (100861 inhabitants)
66 Km E of Perugia (166134 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
77 Km NE of Terni (111501 inhabitants)
82 Km S of Fano (60888 inhabitants)
87 Km N of L'Aquila (69753 inhabitants)
91 Km S of Pesaro (94582 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 1.9 2020-05-21
01:13:23		 43.1193 13.198 7 2020-11-19
12:36:47		 Bollettino Sismico Italiano INGV 79858391
Reviewed
Rev100 		ML 2.2 2020-05-21
01:13:23		 43.1247 13.1917 7 2020-05-21
01:24:58		 Sala Sismica INGV-Roma 79388951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-21 01:13:23 ± 0.06
Latitude 43.1193 ± 0.0036
Longitude 13.1980 ± 0.0049
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79858391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.63672
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 79858391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-03 13:25:01

ML:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 79388951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-21 01:24:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-05-21T01:13:42.80 0.6 undecidable manual S 319 58.3971 50 0.2 44
IV.AOI.HHE. 2020-05-21T01:13:42.74 0.6 undecidable manual S 34 57.7977 50 0.28 43
IV.T1299.HNN. 2020-05-21T01:13:41.86 0.6 undecidable manual S 173 54.2013 50 0.36 43
IV.SSFR.HHN. 2020-05-21T01:13:40.04 0.6 undecidable manual S 316 48.618 50 0.05 46
IV.ATCC.EHZ. 2020-05-21T01:13:39.39 0.6 undecidable manual S 279 45.7209 50 0.16 45
IT.FOPC.HGN. 2020-05-21T01:13:39.01 0.6 undecidable manual S 248 43.4232 50 0.4 43
IV.MTRA.EHE. 2020-05-21T01:13:37.98 0.6 undecidable manual S 158 43.3233 50 -0.61 40
IV.PIEI.HHZ. 2020-05-21T01:13:36.00 0.6 undecidable manual P 311 70.6737 50 -0.52 40
IV.TERO.HHZ. 2020-05-21T01:13:35.57 0.3 undecidable manual P 149 64.1913 50 0.04 67
IV.FRON.EHZ. 2020-05-21T01:13:34.61 0.1 undecidable manual P 319 58.3971 50 -0.02 91
IV.AOI.HHE. 2020-05-21T01:13:34.66 0.6 undecidable manual P 34 57.7977 50 0.11 45
IV.ARVD.HHZ. 2020-05-21T01:13:33.64 0.3 undecidable manual P 334 46.8198 50 0.79 56
IV.T1299.HNN. 2020-05-21T01:13:33.65 0.1 undecidable manual P 173 54.2013 50 -0.34 85
IV.CING.HNZ. 2020-05-21T01:13:33.55 0.6 undecidable manual S 360 28.4493 105 -0.38 44
IV.SSFR.HHN. 2020-05-21T01:13:33.02 0.6 undecidable manual P 316 48.618 50 -0.1 45
IV.MC2.EHZ. 2020-05-21T01:13:32.29 0.6 undecidable manual S 182 23.0547 108 0.14 47
IV.ATCC.EHZ. 2020-05-21T01:13:32.53 0.6 undecidable manual P 279 45.7209 50 -0.15 45
IV.MTRA.EHE. 2020-05-21T01:13:32.00 0.6 undecidable manual P 158 43.3233 50 -0.31 44
IV.MMO1.EHZ. 2020-05-21T01:13:32.50 0.6 undecidable manual S 157 26.5512 106 -0.8 38
IV.FEMA.HNE. 2020-05-21T01:13:32.14 0.6 undecidable manual S 215 21.1677 109 0.62 42
IV.ASSB.HHZ. 2020-05-21T01:13:32.00 0.1 undecidable manual P 259 44.5221 50 -0.49 84
IT.MTCL.HGZ. 2020-05-21T01:13:31.98 0.3 undecidable manual S 229 21.2676 109 0.42 67
IV.MML1.HNZ. 2020-05-21T01:13:31.09 0.3 undecidable manual S 268 18.3705 112 0.49 66
IT.FOPC.HGN. 2020-05-21T01:13:31.94 0.3 undecidable manual P 248 43.4232 50 -0.38 65
IV.SAP2.EHZ. 2020-05-21T01:13:30.73 0.3 undecidable manual S 99 16.4724 114 0.72 61
IV.MNTT.EHZ. 2020-05-21T01:13:30.83 0.3 undecidable manual P 101 32.8449 103 0.35 66
IV.GUMA.HHZ. 2020-05-21T01:13:29.26 0.3 undecidable manual S 119 12.7761 120 0.4 68
IV.CESI.HHZ. 2020-05-21T01:13:29.31 0.1 positive manual P 242 26.9508 105 -0.03 96
IV.CING.HNZ. 2020-05-21T01:13:29.79 0.3 undecidable manual P 360 28.4493 105 0.17 70
IV.NRCA.HHZ. 2020-05-21T01:13:29.95 0.3 undecidable manual P 192 32.4453 103 -0.45 65
IV.FDMO.HHZ. 2020-05-21T01:13:29.24 0.3 undecidable manual S 224 12.876 120 0.36 69
IV.EL6.EHZ. 2020-05-21T01:13:29.25 0.6 undecidable manual P 342 24.5532 107 0.37 45
IV.MMO1.EHZ. 2020-05-21T01:13:28.77 0.1 undecidable manual P 157 26.5512 106 -0.49 87
IV.MC2.EHZ. 2020-05-21T01:13:28.58 0.3 undecidable manual P 182 23.0547 108 -0.01 72
IV.FEMA.HNE. 2020-05-21T01:13:28.34 0.3 undecidable manual P 215 21.1677 109 0.11 71
IV.SNTG.HHZ. 2020-05-21T01:13:28.78 0.3 undecidable manual P 306 25.6521 106 -0.31 68
IT.MTCL.HGZ. 2020-05-21T01:13:28.24 0.3 undecidable manual P 229 21.2676 109 -0.01 73
IV.MDAR.HNZ. 2020-05-21T01:13:27.63 0.6 undecidable manual S 331 9.2796 128 -0.22 47
IV.SAP2.EHZ. 2020-05-21T01:13:27.55 0.3 undecidable manual P 99 16.4724 114 0.19 71
IV.MML1.HNZ. 2020-05-21T01:13:27.78 0.1 positive manual P 268 18.3705 112 0.08 96
IV.CSP1.EHZ. 2020-05-21T01:13:26.32 0.1 undecidable manual S 170 3.0969 157 -0.2 96
IV.GUMA.HHZ. 2020-05-21T01:13:26.89 0.1 positive manual P 119 12.7761 120 0.2 95
IV.MDAR.HNZ. 2020-05-21T01:13:26.09 0.3 undecidable manual P 331 9.2796 128 -0.03 74
IV.FDMO.HHZ. 2020-05-21T01:13:26.85 0.1 positive manual P 224 12.876 120 0.14 96
IV.CSP1.EHZ. 2020-05-21T01:13:25.33 0.1 negative manual P 170 3.0969 157 -0.01 100
IV.PF6.EHZ. 2020-05-21T01:13:25.75 0.3 undecidable manual S 352 2.0979 164 -0.65 64
IV.PF6.EHZ. 2020-05-21T01:13:24.98 0.1 negative manual P 352 2.0979 164 -0.29 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.3 0.0022471805 0.16 AML other m 2020-05-21T01:13:29.37
IV.FDMO.HHN. ML:2.0 0.001261549 0.22 AML other m 2020-05-21T01:13:29.33
IV.GUMA.HHN. ML:2.4 0.002980366 0.24 AML other m 2020-05-21T01:13:29.51
IV.SNTG.HHE. ML:1.5 0.00018909675 0.2 AML other m 2020-05-21T01:13:32.99
IV.SNTG.HNE. ML:1.6 0.0002311893 0.22 AML other m 2020-05-21T01:13:32.99
IV.SNTG.HHN. ML:1.7 0.00028179874999999997 0.24 AML other m 2020-05-21T01:13:33.02
IV.SNTG.HNN. ML:1.6 0.00025965644999999997 0.2304 AML other m 2020-05-21T01:13:33.02
IV.CESI.HNN. ML:1.8 0.0003291632 0.4304 AML other m 2020-05-21T01:13:34.05
IV.CESI.HHN. ML:1.7 0.00029592204999999997 0.14 AML other m 2020-05-21T01:13:35.11
IV.NRCA.HHE. ML:2.2 0.0008467267499999999 0.12 AML other m 2020-05-21T01:13:36.16
IV.NRCA.HNE. ML:2.2 0.0007993343 0.1 AML other m 2020-05-21T01:13:36.16
IV.NRCA.HNN. ML:2.2 0.0008412716 0.1 AML other m 2020-05-21T01:13:36.69
IV.NRCA.HHN. ML:2.3 0.0009573923500000001 0.1 AML other m 2020-05-21T01:13:36.69
IV.MNTT.EHE. ML:2.4 0.0010405052 0.32 AML other m 2020-05-21T01:13:36.97
IV.CESI.HHE. ML:1.8 0.00038295335 0.3 AML other m 2020-05-21T01:13:36.86
IV.CESI.HNE. ML:1.8 0.00034489505 0.3 AML other m 2020-05-21T01:13:36.87
IV.MNTT.EHN. ML:2.4 0.0010175357 0.22 AML other m 2020-05-21T01:13:38.69
IV.ASSB.HHN. ML:1.6 0.000124198 0.18 AML other m 2020-05-21T01:13:40.32
IV.ASSB.HHE. ML:1.6 0.0001262039 0.36 AML other m 2020-05-21T01:13:41.69
IV.ATCC.EHE. ML:1.7 0.0001399384 0.22 AML other m 2020-05-21T01:13:41.73
IV.ATCC.EHN. ML:1.7 0.00014966385500000002 0.34 AML other m 2020-05-21T01:13:41.83
IV.TERO.HNE. ML:1.8 0.00012981785 0.1192 AML other m 2020-05-21T01:13:45.50
IV.TERO.HHE. ML:1.9 0.00013762046499999999 0.12 AML other m 2020-05-21T01:13:45.50
IV.TERO.HHN. ML:1.9 0.00015132659999999998 0.16 AML other m 2020-05-21T01:13:45.61
IV.PIEI.HHN. ML:1.4 0.000045963415 0.34 AML other m 2020-05-21T01:13:49.22
IV.PIEI.HHE. ML:1.7 0.00007999154499999999 0.36 AML other m 2020-05-21T01:13:51.06
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