Earthquake 3 km NW Campotosto (AQ), Magnitude ML 0.2, 23 August 2019 time 22:05:45 (Timezone Italy)

A magnitude ML 0.2 earthquake occured in region: 3 km NW Campotosto (AQ), on

23-08-2019 20:05:45 (UTC)
23-08-2019 22:05:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5720, 13.3440 at 14 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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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Campotosto	AQ	3	542	542
Capitignano	AQ	7	665	1207
Amatrice	RI	8	2657	3864
Montereale	AQ	10	2581	6445
Crognaleto	TE	11	1297	7742
Barete	AQ	14	737	8479
Cortino	TE	15	656	9135
Pizzoli	AQ	16	4326	13461
Accumoli	RI	16	667	14128
Cagnano Amiterno	AQ	16	1369	15497
Cittareale	RI	16	482	15979
Fano Adriano	TE	16	296	16275
Pietracamela	TE	18	271	16546
Borbona	RI	19	617	17163
Rocca Santa Maria	TE	20	537	17700

Municipalities with at least 50000 inhabitants

An earthquake occurred to

25 Km N of L'Aquila (69753 inhabitants)

31 Km W of Teramo (54892 inhabitants)

57 Km E of Terni (111501 inhabitants)

66 Km W of Montesilvano (53738 inhabitants)

68 Km SE of Foligno (57155 inhabitants)

72 Km W of Chieti (51815 inhabitants)

72 Km W of Pescara (121014 inhabitants)

81 Km NE of Tivoli (56533 inhabitants)

81 Km NE of Guidonia Montecelio (88673 inhabitants)

98 Km SE of Perugia (166134 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 0.2	2019-08-23 20:05:45	42.5722	13.3443	14	2019-11-13 14:31:07	Bollettino Sismico Italiano INGV	73383331
Reviewed Rev100	ML 0.2	2019-08-23 20:05:45	42.5732	13.3477	15	2019-08-24 05:14:21	Sala Sismica INGV-Roma	71756811

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2019-08-23 20:05:45 ± 0.08
Latitude	42.5722 ± 0.0036
Longitude	13.3443 ± 0.0037
Depth (km)	14 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	73383331

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	415
Semi-minor axis of confidence ellipse (meter)	118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	14
Circular confidence region, given by single value of horizontal uncertainty (meter)	410.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	110
Number of associated phases, regardless of their use for origin computation	27
Number of defining phases	16
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)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.31117
Number of stations at which the event was observed	19
Number of stations from which data was used for origin computation	8

Magnitudes information

ML:0.2

Field	Value
Value	0.2
Uncertainty	0.3
Num. used stations	4
Type of magnitude	ML
Reference to an origin	73383331
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2019-10-22 01:25:29

ML:0.2

Field	Value
Value	0.2
Uncertainty	0.3
Num. used stations	4
Type of magnitude	ML
Reference to an origin	71756811
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2019-08-24 05:14:21

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.MBAL.EHZ.	2019-08-23T20:07:27.00	3.0	undecidable	manual	Sg				13.82	0
CR.STON.BHZ.	2019-08-23T20:07:24.22	3.0	undecidable	manual	Sn				3.44	0
IV.ZONE.HHZ.	2019-08-23T20:07:21.69	3.0	undecidable	manual	Sn				2.67	0
IV.ORZI.HHZ.	2019-08-23T20:06:46.33	3.0	positive	manual	Pg				17.07	0
IV.CET2.HHZ.	2019-08-23T20:06:39.98	3.0	undecidable	manual	Pg				10.73	0
IV.MILN.HNZ.	2019-08-23T20:06:34.49	3.0	undecidable	manual	Pn				0.89	0
IV.SERM.HNZ.	2019-08-23T20:06:28.91	3.0	positive	manual	Pg				9.48	0
IV.PE3.EHZ.	2019-08-23T20:06:19.92	3.0	undecidable	manual	Sg				-1.16	0
IV.COLB.HHZ.	2019-08-23T20:06:02.56	3.0	undecidable	manual	Pn				-0.71	0
IV.ARVD.HHZ.	2019-08-23T20:05:58.63	3.0	positive	manual	Pg				-0.02	0
IV.NRCA.HHE.	2019-08-23T20:05:56.96	0.3	undecidable	manual	S	327	34.5432	98	-0.21	71
IV.LNSS.HHE.	2019-08-23T20:05:54.50	0.3	undecidable	manual	S	278	25.0527	104	-0.18	72
IV.GIGS.HHZ.	2019-08-23T20:05:53.88	0.3	undecidable	manual	S	125	22.8549	106	-0.23	72
IV.MTRA.EHE.	2019-08-23T20:05:53.52	0.6	undecidable	manual	S	12	20.9679	109	-0.1	50
IV.TERO.HHE.	2019-08-23T20:05:53.65	0.3	undecidable	manual	S	75	21.9669	107	-0.23	72
IV.NRCA.HHE.	2019-08-23T20:05:52.21	0.1	undecidable	manual	P	327	34.5432	98	0	99
IV.RM33.EHZ.	2019-08-23T20:05:51.53	0.3	undecidable	manual	S	237	12.6762	127	-0.15	74
IV.MTRA.EHE.	2019-08-23T20:05:50.20	0.3	undecidable	manual	P	12	20.9679	109	0.04	75
IV.SMA1.EHZ.	2019-08-23T20:05:50.58	0.3	undecidable	manual	S	354	6.4935	150	0	77
IV.TERO.HHE.	2019-08-23T20:05:50.67	0.6	undecidable	manual	P	75	21.9669	107	0.36	47
IV.CAMP.HHE.	2019-08-23T20:05:50.46	0.3	undecidable	manual	S	127	6.6933	149	-0.13	76
IV.LNSS.HHE.	2019-08-23T20:05:50.88	0.1	undecidable	manual	P	278	25.0527	104	0.11	98
IV.GIGS.HHZ.	2019-08-23T20:05:50.48	0.1	undecidable	manual	P	125	22.8549	106	0.03	100
TV.SF01.EHZ.	2019-08-23T20:05:50.55	3.0	negative	manual	P				0.19	0
IV.RM33.EHZ.	2019-08-23T20:05:49.17	0.1	undecidable	manual	P	237	12.6762	127	0.14	100
IV.SMA1.EHZ.	2019-08-23T20:05:48.59	0.1	undecidable	manual	P	354	6.4935	150	0.19	99
IV.CAMP.HHE.	2019-08-23T20:05:48.61	0.1	undecidable	manual	P	127	6.6933	149	0.2	99

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.SMA1.EHN.	ML:0.0	0.000008829748	0.064	AML	other	m	2019-08-23T20:05:51.03
IV.SMA1.EHE.	ML:0.0	0.000012408768500000001	1.8592	AML	other	m	2019-08-23T20:05:51.05
IV.RM33.EHN.	ML:0.4	0.0000192053185	0.0896	AML	other	m	2019-08-23T20:05:51.73
IV.RM33.EHE.	ML:0.5	0.000027937045	1.8848	AML	other	m	2019-08-23T20:05:51.95

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of ML 0.2 on date 23-08-2019 and time 22:05:45 (Italy) in region 3 km NW Campotosto (AQ)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:0.2

ML:0.2